47 results about "Power module" patented technology

An improved communication and control architecture for a secondary power distribution assembly that comprises common dual serial data buses that connect corresponding control processor modules directly to associated solid-state power controllers in a plurality of power modules.

The invention provides a portable and visual inspection device for transformer substation equipment. The portable and visual inspection device for the transformer substation equipment comprises a bracket, an insulation supporting rod, a vidicon, a video signal transmitter, a video monitor, a steering engine and a remote control. The steering engine comprises a shell, a control arm and a circuit device. The circuit device comprises a wireless signal receiving module, a CPU control module, a control arm drive module and a power module. The video signal transmitter is electrically in signal connection with the vidicon. The video monitor is electrically in wireless signal connection with the video signal transmitter. The remote control is electrically in wireless signal connection with the wireless signal receiving module. The vidicon is fixed to the bracket. The insulation supporting rod is detachably connected with the bracket. The steering engine and the video signal transmitter are both installed on the bracket. The control arm of the steering engine can control the vidicon to focus. The portable and visual inspection device for the transformer substation equipment is simple in structure and convenient to carry, can provide real-time operation state videos of the transformer substation equipment, is convenient and safe to operate when used, and effectively improves the reliability of power protection; no inspection dead zone exists.

The invention discloses an Internet two-dimensional code intelligent lock and a using method thereof in hotel management. The Internet two-dimensional code intelligent lock comprises a processor, and a two-dimensional code recognition module, a face recognition device, a wireless communication module, a Bluetooth module, a power module, a clock module, an electric control lock and a recognition error alarming device which are connected with the processor, and further comprises a storage battery connected with the power module, wherein the wireless communication module is connected with a user terminal and a management terminal respectively through a server; the two-dimensional code recognition module comprises an image recognition unit and a power control unit which are connected with each other; the image recognition unit is connected with the processor. The management terminal is matched with locks through the serve and updates unlocking two-dimensional codes, and in different time periods, different locks correspond to only encrypted codes in different time periods. The Internet two-dimensional code intelligent lock can automatically acquire room renting information statistically, and customers can choose rooms by themselves, so that information is transparent and the safety management of a hotel is effectively enhanced.

A desk storage device includes a housing including an accommodation chamber, a front cover panel for controlling access to the accommodation chamber and a plurality of partition boards adjustably mounted in the accommodation chambers at selected elevations and defining an insertion slot between each two adjacent partition boards for storing one respective mobile electronic device, and a power module mounted in a bottom side in the accommodation chamber and including a control system and a system circuit board that includes electrical connectors for charging storage mobile electronic devices subject to the control of the control system and indicator lights controllable by the control system to indicate the charging status of each storage mobile electronic device.

The invention discloses an ad hoc network induction lamp for highway low visibility rainy and foggy weather safety induction. The ad hoc network induction lamp comprises an induction lamp shell, wherein a low power mainboard is fixed in the induction lamp shell; an intelligent ad hoc network zigbee communication module is connected with the low power mainboard through utilization of a rapid pull plug; a round red and yellow high brightness lamp panel is connected with the low power mainboard through utilization of a Dubond thread and is fixed on the induction lamp shell through utilization ofa transparent outer cover; a rain and fog high penetrability vehicle detection radar is mounted on a side face of the induction lamp shell and is connected with the rapid pull plug of the low power mainboard through utilization of the Dubond thread; a high precision time service GPS module is directly welded on the low power mainboard; a software self-management power module is fixed at a bottom of the induction lamp shell and is connected with the low power mainboard through utilization of a power wire; and a high performance monocrystalline silicon solar panel is mounted at a top of the induction lamp shell. The ad hoc network induction lamp is applicable to intelligent induction of driving under highway low visibility rainy and foggy weather condition, vehicle driving safety is ensured,and the ad hoc network induction lamp is important manifestation for establishment of an intelligent transportation system.

The invention discloses an online diesel exhaust fluid solution concentration monitoring system for an automobile SCR (Selective Catalytic Reducer) system. The online diesel exhaust fluid solution concentration monitoring system comprises a power module, a coil design module and a data acquiring and processing module, which are sequentially connected through SMA (SubMiniature version A) connectors, wherein the coil design module comprises a transmitting coil, a urea tank and a receiving coil; the urea tank is used for being filled with a urea solution; the transmitting coil and the receiving coil are arranged at the outer side of the urea tank; the transmitting coil is connected with the power module through the SMA connector; the receiving coil is connected with the data acquiring and processing module through the SMA connector. The online diesel exhaust fluid solution concentration monitoring system avoids the contact between the measuring coil and the urea solution, adopts a self-resonance mode of the coil, and improves the sensitivity of the voltage at the two ends of the coil on change of concentration of the urea solution. The invention further discloses a monitoring method of the online diesel exhaust fluid solution concentration monitoring system for the automobile SCR system.

The invention discloses an improved welding mold for welding a semiconductor power module and belongs to the field of tools and molds for manufacturing semiconductor power devices. The welding mold is obtained through improvement of an original welding mold, stand columns are vertically fixed to the two ends or the periphery of a lengthened welding mold base, the lower end of each stand column is sleeved with an upper backing ring, the upper end of each backing ring is sequentially sleeved with a lower pressing plate, a lower spring, an upper pressing plate and an upper spring, the other end of each upper pressing plate and the other end of each lower pressing plate press an electrode positioning plate and a chip positioning sheet respectively, and an adjusting nut is screwed onto the upper end of each stand column to adjust the pressure of the corresponding upper spring and the corresponding lower spring; each module electrode and each welding mold positioning stand column are sleeved with the electrode positioning plate, a gap bridge compression bar which can move up and down and is provided with a gap bridge compression spring is placed over each gap bridge, and each gap bridge compression bar is guided through a gap bridge compression bar guiding pipe. The welding mold is simple in structural design, practical, small in part number, low in cost increase, convenient to use, and capable of preventing deviation of the gap bridges when solder melts during welding, guaranteeing welding quality and improving the rate of finished products.

The invention discloses an intelligent television failure diagnosis system and diagnosis method with a remote reporting function. The intelligent television failure diagnosis system is connected to an overall system of a television, and comprises an independent AC/DC power module, a microprocessor MCU module and a WIFI network module. The overall system of the television transmits the same networking route and key to the WIFI network module of the system after being networked, and after networking, the detected working state of the overall system of the television is fed back to a remote server. According to the intelligent television failure diagnosis method with the remote reporting function, a module going wrong when the whole television is used by a user can be accurately notified to after-sales service personnel in advance, so that the after-sales maintenance efficiency of the whole television is improved, experiences in the intelligent service of the television are also provided for the user, and television user experiences are improved.

The invention provides a container track power flatcar and an operating method. The container track power flatcar comprises a frame structure. A walking mechanism is arranged at the bottom of the frame structure, and automatic car couplers are arranged at two ends of the frame structure. The flatcar also comprises a vehicle-mounted control system, an automatic coupler control system, a power and traction system, a braking system and a positioning system located on the frame structure. The vehicle-mounted control system is connected to the automatic coupler control system, the power and traction system, the braking system and a positioning system by communication for collecting state information of the systems and issuing operating commands to the systems. The track power flatcar is provided with a power module, moves automatically and is flexible to move, so that the track power flatcar is controlled automatically, the efficiency is improved, the manpower cost is reduced greatly, threeoperating modes: single car operation, coupled operation and train operation of the track flatcar can be achieved, and the container track power flatcar is various in operating mode and good in adaptability.

A circuit that detects the power supply voltage requirement of each voltage domain in an IC includes 1) a ring oscillator in each voltage domain, and 2) a power module. Two different circuit implementations of the power module may provide a precise reference voltage to on-chip voltage regulators (LDO or DC-DC switching buck converter). The power module supports DVFS and can provide the desired power supply voltage for advanced CMOS technology nodes (45 nm and beyond) in less than 100 ns. The voltage detection circuit clamps the voltage to the desired level to address power supply voltage variations due to PVT and ageing. The proposed technique has minimal power and area overhead to compensate for the power supply voltage variation, thus reducing power supply voltage margins which yields higher power saving.

An elongated trench (35) is formed so as to connect the Ag layer (32) and the exposed part of the circuit layer stretching out around the Ag layer (32). The trench (35) a narrow and elongated recessed part penetrating the glass layer (31) and the aluminum oxide film (12A) from the Ag layer (32) to reach the surface (12a) of the circuit layer (2). The extended part (36), which is a part of the Ag layer (32) flatted along with the inner surface (35a) of the trench (35), is formed in the trench (35). The Ag layer (32) and the circuit layer (12) are electrically connected directly by Ag with a low electric resistance value by the extended part (36) in the portion where the trench (35) is formed.

The invention discloses an intelligent water cup. It includes a cup body and a cup cover, a temperature sensor and a liquid level sensor are arranged in the cup body, a microprocessor, a power supply module, a three-axis acceleration sensor and a wireless communication module are arranged on the cup body, and a There is a display screen and a voice output module, and the microprocessor is respectively electrically connected with a temperature sensor, a liquid level sensor, a power supply module, a three-axis acceleration sensor, a wireless communication module, a display screen and a voice output module. The invention can accurately record the water drinking situation of the user, and remind the user to drink water in time, thereby ensuring the daily intake of water required by the user.

The invention discloses a remote-controlled intelligent socket comprising a signal acquisition module, a signal processing module, a single-chip microcomputer control module, a relay control module, a power module and a remote control terminal module. Data is processed by the signal acquisition and processing modules. On-off of household appliances is remotely controlled through the remote control terminal module according to a received signal. The single-chip microcomputer control module employs an STC12C5A60S2 single-chip microcomputer as a main control chip. Separate control is adopted, all socket jacks can be independently controlled and are not correlated, and control is made more convenient; the socket is of wide adaptability because of the adoption of the latest ZigBee technology; the socket has the characteristics of powerful functions, stable operation, low cost and low energy consumption, and has automatic and manual control modes; and the socket has the functions of timed powering off and real-time state display, management of electrical appliances is greatly facilitated, and the design can achieve good user experience.

The invention discloses an inverter air conditioner, which includes the structural parts of the external unit of the air conditioner, and also includes a heat dissipation module, an electric control board, an electrical box, PETG tube one, PETG tube two, a needle valve, and a fan. Leaf, condenser module, partition, PETG tube 3. Power pump, motor bracket, heat dissipation module, condenser module and power pump form a closed-loop circulation system. The internal cooling liquid absorbs heat and is driven by the power pump to flow down to the condenser module. The high-temperature cooling liquid dissipates its own heat through the rotation of the fan, and the cooled and heated liquid becomes the condensation end, so that the heat absorbed by the heat dissipation module can be conducted in time Go out and achieve the purpose of cooling down. Compared with the prior art, the invention is not partly controlled by the refrigeration system, is an independent closed-loop circulation system, has low cost and is easy to produce and process.

The invention provides a power switch circuit system comprising an intelligent power module which comprises an upper bridge arm driving chip, a lower bridge arm driving chip and a power switch devicecomposed of a plurality of insulated gate bipolar transistors (IGBTs) located on a plurality of bridge arms, wherein the IGBT on each bridge arm comprises an upper bridge arm IGBT connected with the upper bridge arm driving chip, and a lower bridge arm IGBT connected with the lower bridge arm driving chip; a protection circuit externally connected to the output end of the upper bridge arm drivingchip and the output end of the lower bridge arm driving chip in the intelligent power module, wherein the protection circuit comprises a voltage stabilization protection circuit used for stabilizing the voltage of the output ends within a set voltage range; and/or a current stabilization protection circuit used for bypassing the displacement current of the output end to a ground wire. According tothe invention, the voltage stabilization protection circuit and/or the current stabilization protection circuit can be connected in the IPM module, the grid oscillation and parasitic conduction are reduced, and the utilization rate and reliability of the device are improved.

The invention discloses a circuit for reducing the power consumption of a TOSA. The circuit comprises a DC-DC power module. The feedback end of the DC-DC power module is connected with the ground through a third resistor and connected with a microcontroller through a second resistor. A first resistor is connected between the output end of the DC-DC power module and the second resistor in series. The output end of the DC-DC power module is connected with a collector of a triode. A base electrode of the triode is connected with an APC circuit, and an emitting electrode of the triode is connected with a laser diode of the TOSA through a fourth resistor. The microcontroller is connected with the two ends of the fourth resistor in parallel and used for monitoring the difference of the voltage across the two ends of the fourth resistor, and the output voltage of the DC-DC power module is gradually reduced according to the difference of the voltage. According to the circuit for reducing the power consumption of the TOSA, due to the fact that the output voltage of the DC-DC direct-current power module is gradually reduced, under the condition that the TOSA works stably, the power consumption of the TOSA is effectively reduced.

The invention discloses a mobile intelligent network camera. The camera comprises the following components: a control module, an image sensor, an A/D converter, an image sound coder, a WIFI wireless hotspot module, a 2G/3G/4G module, a Bluetooth module, a movement control module, a direct-current motor module, a storage module and a power module. Compared with the existing network camera, the mobile intelligent network camera has the advantages that the network camera can move freely, can be connected with a client such as a mobile phone or a computer without an additional router and the like due to a wireless hotspot function, and is simple, feasible and convenient to popularize.

The invention provides an all direction open type sound box. The sound box comprises a base. A spherical shell comprising a vibrating diaphragm is fixed on the base. A left side surface and a right side surface of the spherical shell are symmetrically concave toward the direction of the center of the sphere, so as to form two sections of symmetrical horn pipes. The two sections of symmetrical horn pipes are mutually connected with each other in the spherical shell, so as to form a symmetrical horn pipe. A closing coil coaxial with the horn pipe is fixed on the surface of each section of horn pipe. The closing coil is distributed from the end of the horn pipe close to the center of the spherical shell to the end of the horn pipe close to the spherical surface of the spherical shell. A section of cylindrical electromagnet coaxial with the symmetrical horn pipe is fixed at the center of the interior of the symmetrical horn pipe. An exciting coil is wound on the surface of the electromagnet. The exciting coil is coupled on a power amplifier module and a power module arranged in the base. The all direction open type sound box has basically consistent auditory effect in all directions, and has high sound energy efficiency and large sound production power.

The invention discloses a constant temperature soldering station with a data collecting function, and relates to the technical field of education training and electronic maintenance soldering. The constant temperature soldering station comprises a soldering station main body, a handle, a PCB, a connecting thread, a sensor, a heating tube protective cover, a solder tip heating pipe, a solder tip sleeve, a solder tip, a sensor protective cover, an upper computer, an MCU, a digital-to-analog conversion module, a power module and a heating control module; and the sensor and a heating tube connecting line are soldered through the PCB in the handle to be connected with the soldering station body through a connecting wire. According to the constant temperature soldering station with the data collecting function, a soldering pen of the soldering station is simple in structure, disassembling is easy, use is facilitated, a user can be reminded to perform corresponding correct operations, the learning effect of students for mastering the soldering skill can be improved, the using safety is high, the problems that the efficiency of soldering skill learning by the students is low, and safety accidents are prone to happening are solved, and the constant temperature soldering station is conducive to use and promotion.