13 results about "Power switching" patented technology

The invention discloses an embedded type WIFI module. The embedded type WIFI module comprises a software part and a hardware part. The hardware part comprises a microcontroller chip, a WIFI chip, a program memory chip, a filter, a first crystal oscillator, a second crystal oscillator and a power switch tube, wherein the WIFI chip is connected with the microcontroller chip through data signals, the microcontroller chip is connected with the program memory chip through serial external interfaces, the WIFI chip and the microcontroller chip are connected with the power switch tube, the WIFI chip is connected with the filter and the first crystal oscillator, and the microcontroller chip is connected with the second crystal oscillator. The software part comprises a module interface management unit, an application program module, a webpage server, a miniaturized TCP/IP protocol stack, a WIFI driving module, a bottom layer hardware interface driver and a real-time operating system module, wherein the real-time operating system module is used as a framework, and the module interface management unit, the application program module, the webpage server, the miniaturized TCP/IP protocol stack, the WIFI driving module and the bottom layer hardware interface driver are integrated on the real-time operating system module. The embedded type WIFI module has the advantage of being small in size.

The invention provides a wearable type assisted traveling device with adjustable step speed and self-adaptive step pitch. The wearable type assisted traveling device comprises a mechanical assembly and a control assembly, wherein the mechanical assembly comprises a waistband, and the two sides of the waistband are symmetrically equipped with racks; thigh support plates are mounted below the racksin a matched mode; the lower ends of the thigh support plates are equipped with thigh fixing belts in the matched mode, and the lower ends of the thigh support plates are equipped with spring coils; the control assembly comprises a power supply module, a motor driver, a control module, a step speed regulating knob, a power supply switch, a sensor A, a sensor B and film pressure sensors which are connected through cables, and is equipped with an electromagnet A and an electromagnet B, the sensor A and the sensor B are mounted on a protective cover in the matched mode, and the film pressure sensors are arranged at the lower ends of the spring coils. Compared with the prior art, the wearable type assisted travelling device has the beneficial effects of solving the long-time travelling obstacle problem of the old, and has the advantages of being adjustable in step speed, enabling step pitch to automatically adapt to to walking habits of people under different conditions, being safe and reliable, being simple in structure, being low in cost, and the like.

The invention belongs to fields of electronic protection alarm facilities, specially an electronic protection alarm enclosure which is used in temporary job location or during maintenance work. It includes chassis and backstay fixed to the chassis and voice-light alarm device, battery, power switch and control circuit which is set on the backstay, said alarm belt is enlaced to reeled device, the reeled device is fixed to the backstay, and enlaced to the alarm belt via hinge axis, contact induction device which includes pulse generator and control circuit is set on one end of the hinge axis, hanging belt hook is set on said backstay, said control circuit includes battery low voltage indicating circuit and electronic switching circuit. The invention provides a new type of enclosure which possesses enclosure belt which is adjustable and contact alarm facilities.

The invention discloses a microneedle beautifying device based on ultrasonic atomization. The microneedle beautifying device comprises a host machine and a microneedle oscillating head; a PCB, a battery, an LCD display screen and a power switch are arranged in the host machine to supply power to a piezoelectric vibration plate of the microneedle oscillating head; the piezoelectric vibration plate,a vibration seat, a microneedle piece mounting seat, a solution bottle and a microneedle piece form an oscillation component, and the oscillation component is connected with a connecting seat througha spring; and the microneedle oscillating head is in threaded engagement with the connecting seat of the upper shell of the host machine through external threads of the connecting seat. Through the vibration of the piezoelectric vibration plate, a cosmetic liquid in the solution bottle is ultrasonically atomized, so that the cosmetic liquid is converted into an atomized state from a liquid state,and the absorption by the skin is facilitated. Due to the integrated design of the microneedle piece and the solution bottle, a microneedle opens a skin leading-in channel and finishes leading-in ofthe cosmetic liquid into the skin at the same time, and efficient absorption of cosmetic products can be achieved.

The invention discloses a letter prompting mail box, including a box body with an opening, which is characterized in that the box body is installed with a power supply and a power supply switch, the power supply is electrically connected to the power supply switch, and the power supply switch is connected to letter prompting lamps. Preferably, there are two letter prompting lamps, on e is installed on the surface of the box, and the other is connected to the power supply switch through long wires. Preferably, the power supply switch is a pressure sensing switch installed at the bottom in the box body. When a letter is thrown in the inventive letter prompting mail box, the prompting lamp irradiants to prompt people, which is easy to use.

A power source switch control device includes a detection circuit, a detection circuit, a detection circuit, and a detection circuit. The detection circuit detects forward voltage of a body diode of a FET, and the detection circuit detects forward voltage of a body diode of a FET. The detection circuit detects forward voltage of a body diode of a FET, and the detection circuit detects forward voltage of a body diode of a FET. A controller determines whether a defect of a power circuit has occurred based on results of the detection by the detection circuits to. Accordingly, the power source switch control device can appropriately detect defect of a switching element of a power source.

The invention relates to an automatic and manual dual-purpose take-up and pay-off device for inner wiring alarm of a fishing rod, which is suitable for various fishing rod mating fishing tools and hand-operated dual-purpose take-up and pay-off devices. The device comprises a take-up and pay-off box, a locking and connecting mechanism, a front hand-held handle, a rod-blocking ring, a gear disc, a transmission pinion, a winding disc, a wire blocking disc, a bearing, a central shaft, a transmission motor, a battery pack, an alarm, an explosion-proof ring, a speed control mechanism, a power switch, a rear hand-held handle and a fishing line; the locking and connecting mechanism consists of a locking screw sleeve, an elastic locking piece and a locking nut; the winding disc is fixed on the central shaft, the winding disc is arranged in the middle part of the take-up and pay-off box through the central shaft and the bearing. One side of the winding disc is provided with a gear disc, the other side of the winding disc is provided with the wire blocking disc, and the explosion-proof ring is arranged between the gear disc and the wire blocking disc; The transmission motor is arranged in thetake-up and pay-off box, outside of the gear disc. The output shaft of the transmission motor is provided with a transmission pinion which is meshed with the gear disc. The transmission motor drivesthe gear disc and the winding disc through the transmission pinion for collecting the fishing line.

The invention relates to the technical field of fault detection, in particular to a cable fault detector and a using method, the cable fault detector comprises a box cover and a box body, the box cover is rotatably mounted on one side of the outer part of the box body, and a probe jack and a USB adapter are respectively arranged on two sides of the box cover; the box body is provided with a high-voltage output interface, a power interface, a power switch and heat dissipation holes; a transformer and a touch-operated display screen are arranged in the box body, the low-voltage end of the transformer is connected with the power interface through a wire, the high-voltage end of the transformer is connected with the high-voltage output interface through a wire, and the power switch is connected with the transformer in series; a touch-operated display screen is embedded in the front surface of the box body, the back surface of the touch-operated display screen is respectively connected with a detection processing module and a control module, and the detection processing module and the control module are fixed in an inner slot of the box body; and the fault position can be accurately positioned.

The invention provides a detection method to identify and detect the connection phase sequence of different buses in a complete set of electrical equipment system. The detection method can be used to detect and identify the bus connection phase sequence of the system simply during manufacture of the complete set of electrical equipment or before electrification test. The method comprises the steps of 1) voltage test, 2) resistance test, and 3) processing by a host computer. A detection device is also provided to realize the detection method. The detection device comprises a casing and a first panel and a second panel mounted in the casing, the first panel is mounted in the upper end of the casing and serves as an operation panel, the second panel is arranged under the first panel and serves as an interface panel, the first panel is provided with a power switch, a display screen, an operation button and an indicating lamp, the second panel is provided with a voltage test interface A and a resistance test interface B, and the voltage test interface A and the resistance test interface B are connected with an ARM processor arranged in the second panel, the ARM processor is connected with the host computer, and the host computer is connected with the display screen on the first panel.

The invention discloses a programmed management method and a programmed management system for local power supply and auxiliary equipment. The method comprises the following steps: intelligently modularizing the switches of the local power supply and auxiliary equipment power supply; establishing a switch programmed control platform, and connecting the switches of an alternating current power supply subsystem, a direct current power supply subsystem, an inverted power supply subsystem, a communication power supply subsystem of the local power supply and the transformer station auxiliary equipment into a network through network communication; and according to the related triggering conditions of network information, activating a preset program, and starting an intelligent switch module to control the corresponding switches. Because the local power supply switch and the auxiliary equipment power supply switch are controlled through communication transmission inside the local power supply,all the switches can be controlled randomly according to the edited preset program and the triggering conditions.