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

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 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.

Various embodiments provide a light emitting diode (LED) flasher bulb that provides a flashing function for LED string lights. The LED flasher bulb is inserted into any one of a plurality of connectors of the LED string lights, and is compatible with an alternating current power source. The LED flasher bulb alternates the LED string lights between an on state in which LEDs of the LED string lights are lit up, and an off state in which the LEDs are not lit up. The LED flasher bulb is able to continuously alternate the LED string lights between the on state and the off state according to a determined pattern independent of the AC signal generated by the AC power source being positive or negative.

An LED drive device includes: a drive module generating, based on a control signal, a drive current that flows through an LED-based load, and generating, based on the drive current, a sampling current associated with the drive current; a voltage detection module detecting a voltage across the LED-based load, and generating an adjustment signal based on the detection result and on a predetermined reference voltage; and a control signal generation module generating the control signal based on the adjustment signal, the sampling current and the predetermined reference voltage.

An electronic circuit structure uses an analog-to-digital conversion concept for saving circuit pins and installs a control circuit on a main board, and the control circuit includes a processor, an analog-to-digital converter circuit, a power supply circuit and an ID generator circuit; wherein the power supply circuit is connected separately to the processor, the analog-to-digital converter circuit, and the ID generator circuit for providing a stable operating power supply; the analog-to-digital converter circuit is connected to the ID generator circuit for receiving a voltage divide power produced by the ID generator circuit and converting the voltage divide power into a digital machine ID; and the analog-to-digital converter circuit is connected to the processor for sending the machine ID. After the processor obtains the machine ID, the processor can analyze and determine the hardware configuration represented by the voltage divide power for the main board to carry out the booting operation.

The invention discloses a photographing device which can comprise a charging pile and a photographing main body; the photographing main body can be matched with the charging pile for charging; sufficient electric quantity of the photographing main body is guaranteed through the process, and the photographing device can uninterruptedly carry out photographing work, wherein the photographing main body can comprise a camera and a movement module group; the movement module group can enable the photographing main body to generate movement to move to a target photographing position outside the charging pile; while the camera can photograph images in the movement process of the photographing main body. According to the photographing device, by matching the movement module group with the camera, the photographing main body can be separated from the charging pile and generates movement to change a photographing position so that the photographing main body can carry out no dead angle photographing for a region to be monitored.

The invention discloses a signal amplification type automatic irrigation control system based on a voltage compensation circuit. The signal amplification type automatic irrigation control system is characterized by mainly consisting of a control chip U3, a diode D2, a detecting probe Q1, a detecting probe Q2, a resistor R2, a resistor R1 and the like, wherein the resistor R2 is connected in series between the detecting probe Q1 and a P pole of the diode D2; the resistor R1 is connected in series between the detecting probe Q1 and a VIN tube pin of the control chip U3. The signal amplification type automatic irrigation control system has the advantages that a current signal output from the control chip can be subjected to amplification processing, so that the control chip well recognizes the signal and outputs an accurate control signal, and the control precision of the control system on a water pump is greatly improved.

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 discloses an electronic thermometer used in connection to a smart phone. The electronic thermometer mainly comprises a thermo-sensitive probe and a main module which has AD detection and OTG communication functions; when measuring temperature, the main module is connected with the smart phone which is pre-installed with special APP software by virtue of an OTG interface; the main module is powered by the smart phone through the OTG interface and communicates with the smart phone by virtue of the OTG interface; and the smart phone is used for displaying and storing a temperature measurement result. The electronic thermometer used in connection to the smart phone disclosed by the invention, compared with conventional electronic thermometers, can reduce necessary power supply batteries and display devices, so as to reduce cost and to simultaneously relieve pollution from waste batteries; and the electronic thermometer has a more user-friendly functional setting and temperature testing result display interface and has stronger data handling and storing capacities.

The invention discloses a protective automatic irrigation control system based on a voltage compensation circuit, which is characterized in that: a control chip U3, a diode D2, a detection probe Q1, a detection probe Q2, and a P The resistor R2 between the electrodes is composed of. The present invention adopts the A6210 integrated chip as the control chip, and combines the logic gate to control the water pump. Compared with the traditional control system using mechanical switches to control, the present invention has a lower error rate and can control the work of the water pump more accurately. The invention can compensate the voltage drop caused by wires or resistance, so that the working voltage of the invention is more stable.

The invention provides a high-power electronic gun comprising a built-in electronic gun core which is arranged on an upper barrel of a gun chamber, wherein an anode seat is arranged below the upper barrel of the gun chamber, and an anode of an electronic emission system is arranged on the anode seat; the bottommost part of the electronic gun is a gun seat of the electronic gun; an inner cover forbombarding current bunching is arranged outside a lamp filament of the gun core; two groups of magnetic lenses and blocked holes are arranged in a light path system of electron beams, wherein the magnetic lenses and the blocked holes are matched; a coiling chamber of first magnetic lenses is arranged between the anode seat and a lower barrel of the gun chamber, a water-cooling blocked hole seat is arranged between the lower barrel and the seat, and the blocked holes are arranged on the blocked hole seat; deflecting and scanning coils are arranged on the gun seat, and coils of second magnetic lenses are arranged above the defecting and scanning coils; and a gun cover is additionally arranged outside the gun core, a draught fan is arranged on the gun cover, and a safety hood, a group of airbarrels and an outer cover assembly arranged outside a cathode encircle a gun core body to form a cooling wind path. According to the invention, the problem of the urgent need for the high-power electronic gun in the existing industrialization is solved.

The invention discloses a liquid stirring type wind power heating unit and an adaptation method thereof. The liquid stirring type wind power heating unit comprises fan blades, a transmission long shaft, a speed increaser, a coupler, a stirring heater, an energy storage device and a compressor; the stirring heater comprises a stirring barrel, a spoiler, rotor blades and a stirrer main shaft, the spoiler is arranged on the inner wall of the stirring barrel, the rotor blades are arranged on the stirrer main shaft and deflect clockwise / anticlockwise by an angle alpha relative to the radial direction of the stirrer main shaft, the fan blades are installed at the upper end of the transmission long shaft, the lower end of the transmission long shaft sequentially penetrates through the speed increaser, the coupler and the stirring heater to be connected with the compressor, the stirrer main shaft is fixed with the transmission long shaft through the coupler, the energy storage device is connected with the stirring heater, and the stirring heater is filled with a liquid working medium. According to the liquid stirring type wind power heating unit and the adaptation method thereof, the heating efficiency of the wind power heating unit can be improved, and the liquid stirring type wind power heating unit and the adaptation method thereof are of great significance to energy conservation and emission reduction.

The invention belongs to the technical field of medical equipment, in particular to a multifunctional ophthalmologic operation table. The ophthalmologic operation table include a first operation tableand a power supply box; the lower side of the ophthalmologic operation table is provided with a first telescopic rod, the lower side of the first telescopic rod is provided with a second telescopic rod, one side of the second telescopic rod is provided with a first adjustment knob, the lower side of the second telescopic rod is provided with a base, and one side of the first operation table is provided with a second operation table; the lower side of one end of the first operation table is provided with a head board connection base, a head board adjustment rod is arranged on the head board connection base, the upper side of the head board adjustment rod is provided with a head board fixing base, and the upper side of the head board fixing base is provided with a head board; the power supply box includes a bottom box and a box cover, wherein the bottom box is used for bearing a power panel device, and the box cover covers the bottom cover and is used for sealing the power panel device;the bottom box and a side plate mutually matched with the box cover are provided with buckle components which can be mutually matched, and the buckle components are used for buckling the box cover and the bottom box.

The invention discloses a signal amplification type automatic irrigation control system based on a protective circuit. The signal amplification type automatic irrigation control system is characterized in that the system is mainly composed of a control chip U3, a diode D2, a detection probe Q1, a detection probe Q2, a resistor R2,the protective circuit, a resistor R1 and the like, wherein the resistor R2 is connected between the detection probe Q1 and a P pole of the diode D2 in series, the protective circuit is connected with a VIN pin of the control chip U3, and the resistor R1 is connected between the detection probe Q1 and the protective circuit in series. By the adoption of the signal amplification type automatic irrigation control system, a current signal output to the control chip can be amplified and thus can be well recognized by the control chip, and a precise control signal is output, so that the accuracy of control over a water pump can be improved greatly.

The invention discloses a seabed base platform with an ocean current energy power generation function. The seabed base platform comprises a platform body and a gravity ballast assembly connected withthe bottom of the platform body through steel cables, wherein the downward pulling force generated by the gravity of the gravity ballast assembly is balanced with the buoyancy of the platform body. The platform body comprises a connecting bridge assembly, power generation assemblies and a yaw wing, wherein the connecting bridge assembly is provided with a ballast compartment. The gravity ballast assembly comprises a gravity block and a steering assembly fixed to the gravity block and used for achieving horizontal steering of the platform body. The steering assembly comprises a lower thrust bearing, a sliding table capable of freely rotating around the axis, an upper thrust bearing and a fixing ring, wherein the fixing ring is fixedly connected with the gravity block and tightly presses thesteering assembly. One end of each steel cable is fixed to the platform body, and the other end of each steel cable is fixed to the sliding table and can rotate along with the sliding table. Horizontal steering of the platform body is achieved through the steering assembly, the seabed base platform keeps its direction consistent with the direction of incoming flow, and therefore power generationof higher efficiency is further achieved.

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 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 solar trough type heat accumulation type magnetic fluid thermomagnetic convective circulation double power generation system and device. The system and device comprises a magnetic fluid thermomagnetic convective circulation induction generator, a magnetic fluid thermomagnetic convective driving rotating wheel generator, a solar trough type heat accumulation and phase change heat storage device, a cylindrical permanent magnet, a water bath cooler, a sensor, a magnetic fluid thermomagnetic convective circulation pipeline, an intelligent controller, a storage battery anda circuit. A magnetic fluid is assembled in the magnetic fluid thermomagnetic convective circulation pipeline; and the magnetic fluid adopts nanoscale ferromagnetic small particles. The magnetic fluid thermomagnetic convective circulation induction generator comprises an induction coil; and the magnetic fluid thermomagnetic convection driving rotating wheel generator comprises magnetic fluid rotating blades and a magnetic fluid rotating wheel. When the magnetic fluid flows through the middle part of the induction coil, the induction coil generates induction current to generate electricity. The magnetic fluid thermomagnetic convection driving rotating wheel generator drives the magnetic fluid rotating blades and the magnetic fluid rotating wheel to rotate through the magnetic fluid to generate power.

The invention discloses a handheld oral viewer, which comprises a device body, a lifting guide rod, a main board, a wireless transmission device and a camera. A lifting guide rod is installed in the middle of the device body, and LED lighting is installed around the camera head. Lamp holder, a rack is provided on the left side of the upper end of the lifting guide rod, a gear is provided on the left side of the rack, a lens adjustment button is installed on the right side of the gear, and a battery is fixed on the left side of the main board. The right side of the display screen is equipped with a power switch. The present invention adopts a portable hand-held design. The setting of the main board can control the opening and closing of the camera and the processing and transmission of information. The setting of the lens adjustment button can adjust the positive and negative rotation of the motor. The positive and negative rotation of the device makes the lifting guide rod move up and down, so that the camera moves up and down to realize the zoom in and zoom out of the image. The device is simple to operate, easy to use, and has good applicability and market prospects.

The invention discloses an HA digital infrared correlation photoelectric switch sensor. The switch sensor comprises an infrared transmitter circuit and an infrared receiver circuit, the infrared transmitter circuit comprises a first power supply circuit, a first single-chip microcomputer and an infrared emission driving circuit, and the infrared receiver circuit comprises a second power supply circuit, a second single-chip microcomputer, an infrared receiving circuit and a signal output circuit; the first single-chip microcomputer U1 and the second single-chip microcomputer U1 both adopt STC15W104 single-chip microcomputers and are packaged by SOP8, and an internal crystal oscillator reaches 33MHz. Compared with an analog infrared correlation sensor, the temperature drift problem caused bylong-time operation of the analog sensor is solved, the circuit is simple, the number of circuit devices is small, the anti-interference capability is high, and the circuit is suitable for long-timeuninterrupted power operation of the underground coal mine all the year round.

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 power management unit used for a multi-channel micro-strain data acquisition system in the field of instrument detection. The power management unit comprises an integrated voltage comparator, and a boost conversion integrated circuit and a low-dropout linear integrated regulator which are connected in sequence, wherein an input end of the boost conversion integrated circuit is used for receiving an in-phase input signal VB output by a power supply of the multi-channel micro-strain data acquisition system and outputting a boost signal of 5.5 V; the low-dropout linear integrated regulator receives the boost signal output by the boost conversion integrated circuit; a magnetic inductor is arranged between inverted input ends between an output end of the low-dropout linear integrated regulator and the integrated voltage comparator, and is used for outputting an inverted input signal VA; the integrated voltage comparator receives the inverted input signal VA output by the low-dropout linear integrated regulator; an in-phase input end of the integrated voltage comparator is used for receiving the in-phase input signal VB; the amplitude of the inverted input signal VA is greater than or equal to the amplitude of the in-phase input signal VB; the output of the integrated voltage comparator is 0, otherwise the output of the integrated voltage comparator is 1.

The invention discloses an engineering platform hoist, which comprises a support rod and a support seat, wherein the support rod is hinged to the support seat. The engineering platform hoist is characterized in that a pulley block and a rope are arranged on the support rod, wherein the pulley block is pulled by the rope through a power mechanism; the pulley block comprises a movable pulley and fixed pulleys; the fixed pulleys are fixedly arranged on the free end part of the support rod; the movable pulley is connected with the fixed pulleys. According to the technical scheme, by the pulley block, the stability of a platform can be improved, and moreover, impact force on the hoist caused by the oscillation of the platform can be cushioned.

The invention discloses a voice indication module for a dubbing base. The voice indication module comprises a triggering signal generating circuit, a signal time-delay circuit, a lamplight indication circuit, a voltage stabilizing circuit, an alarm voice generating circuit, a voice signal amplification circuit, a loudspeaker and a power source. The triggering signal generating circuit, the signal time-delay circuit, the voltage stabilizing circuit, the alarm voice generating circuit and the voice signal amplification circuit are sequentially connected, and the two ends of the loudspeaker are connected with the output end of the voice signal amplification circuit and the negative electrode of the power source. The triggering signal generating circuit comprises a first control switch, a first resistor, a second resistor and a first capacitor, the lamplight indication circuit comprises a six resistor and a light emitting diode, and the voltage stabilizing circuit comprises a first voltage stabilizing tube, a second diode and a seventh resistor. When the voice indication module is applied, isolated external workers conveniently send indication signals requesting door opening to internal workers in a dubbing site, it is further avoided that parts of workers are externally isolated and influence ordered development of dubbing work.

The invention provides a high-power electronic gun comprising a built-in electronic gun core which is arranged on an upper barrel of a gun chamber, wherein an anode seat is arranged below the upper barrel of the gun chamber, and an anode of an electronic emission system is arranged on the anode seat; the bottommost part of the electronic gun is a gun seat of the electronic gun; an inner cover for bombarding current bunching is arranged outside a lamp filament of the gun core; two groups of magnetic lenses and blocked holes are arranged in a light path system of electron beams, wherein the magnetic lenses and the blocked holes are matched; a coiling chamber of first magnetic lenses is arranged between the anode seat and a lower barrel of the gun chamber, a water-cooling blocked hole seat is arranged between the lower barrel and the seat, and the blocked holes are arranged on the blocked hole seat; deflecting and scanning coils are arranged on the gun seat, and coils of second magnetic lenses are arranged above the defecting and scanning coils; and a gun cover is additionally arranged outside the gun core, a draught fan is arranged on the gun cover, and a safety hood, a group of air barrels and an outer cover assembly arranged outside a cathode encircle a gun core body to form a cooling wind path. According to the invention, the problem of the urgent need for the high-power electronic gun in the existing industrialization is solved.

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.