45results about How to "Meet the needs of power supply" patented technology

The invention discloses a welding device. The welding device comprises an electricity connecting base and a plug part arranged on the left side of the electricity connecting base. The electricity connecting base is internally provided with a cavity. First sliding grooves are formed in the upper side and the lower side of the cavity. Each first sliding groove is internally provided with a spiral rod. The left side end of each spiral rod is connected with a motor. A first groove hole is formed in the inner wall of the right side of the cavity. First electricity connecting rods are arranged on the inner wall of the left side of the cavity. The cavity is internally provided with a sliding block of which the upper side and the lower side enter the first sliding grooves in the upper side and the lower side correspondingly and are matched and connected in a sliding mode. Sliding block bodies in the first sliding grooves are matched and connected with the spiral rods in a spiral whorl mode. The left side end surface of the sliding block is provided with first energizing holes opposite to the first electricity connecting rods. A circuit is arranged between the left side end surface of the sliding block and the first groove hole. An insertion cavity is formed in the wall body of the left side of the electricity connecting base. Second electricity connecting rods are arranged on the inner wall of the right side of the insertion cavity. According to the welding device, the structure is simple; operation is convenient and rapid; power supply connection can be automatically controlled; the insertion-connection stability and safety are high; an electric shock hazard caused by accidental touching is prevented; and the power supply requirement of existing electric welding machines is met.

The invention relates to a pulse generation circuit and a control method applied to a pulsed electric field ablation technology in the field of high-pressure pulse application. The circuit comprises aplurality of switch modules, wherein each switch module comprises a capacitor and four switch sub-modules; in the four switch sub-modules, every two switch sub-modules are connected in series to formtwo serial switch branches, and the two serial switch branches are connected in parallel; and the plurality of switch modules form a full-bridge topological structure. The invention discloses the pulse generation circuit applied to the pulsed electric field ablation technology. The plurality of switch modules form the full-bridge topological structure, through the switching of switches, a positive pulse, a zero pulse, a negative pulse and a combination of the above pulse can be output, the circuit can be under a zero charging pulse state, and the capacitor can be subjected to electric energysupplementation during an intermittent stage of pulse output.

The invention discloses energy-saving and environment-friendly type dedusting and air ventilation equipment. The energy-saving and environment-friendly type dedusting and air ventilation equipment comprises a support base, a filtering box and an installation base, wherein the surrounding of the bottom part of the support base is provided with a groove; the top end of an inner cavity of the grooveis fixedly connected with an electric telescopic rod; a roller is movably arranged at the bottom part of the electric telescopic rod; the top end of the support base is fixedly connected with the filtering box; an inner cavity of the filtering box is separated into a filtering purifying bin and a water storage bin by a separating plate. The energy-saving and environment-friendly type dedusting andair ventilation equipment has the advantages that the inner cavity of the filtering box is separated into the filtering purifying bin and the water storage bin by the separating plate, and the functions of an ultraviolet lamp tube, an electrostatic deduster, a sponge filtering layer, an activated carbon filtering layer and a glass fiber gathering filter element are utilized, the requirements of people on sterilization, electrostatic dedusting and ternary filtering and purifying of the breathed dust are met, and the dedusting effect is improved; an air exhaust pipe is connected with a water storage bin, the purified and filtered air has certain low-temperature characteristic, the comfortability of the human body is improved, and the requirements of modern people are met.

The present invention provides a non-contact high-speed rail road foundation vibration measurement system. The system comprises a bar-code ruler, an optical imaging system, an embedded displacement sensor, a computer terminal display module and a communication module. The bar-code ruler is provided with alternately black and white bar codes, the widths of the black bar codes are different, and the central spacing between two adjacent black bar codes is the same; the optical imaging system obtains the real-time image of the bar-code ruler according to a preset period; the embedded displacement sensor comprises a bar-code image collection and transmission module and an information receiving and processing module, the bar-code image collection and transmission module is connected with the optical imaging system to perform collection of the black bar codes, the information receiving and processing module is configured to perform A/D conversion and processing of the collected information to obtain the actual position corresponding to the black bar codes; the computer terminal display module is configured to display the processing result of the information receiving and processing module; and the communication module is configured to transmit the processing result to the external terminal with the operation capacity. The non-contact high-speed rail road foundation vibration measurement system can perform long-term effective monitoring of the high-speed rail road foundation vibration.

The invention provides an energy storage power generation method based on gravitational potential energy. The energy storage power generation method comprises the following steps of potential energy storage: hoisting heavy objects preset on a first bottom surface, and stacking the heavy objects into an energy storage tower, wherein the height of the energy storage tower is larger than that of the first bottom surface; and potential energy conversion: hoisting the heavy objects on the energy storage tower again, enabling the heavy objects to fall to the first bottom surface under the action of gravity, wherein in the falling process of the heavy objects, power generation equipment is driven to operate, power generation is completed, and gravitational potential energy is converted into electric energy. The heavy objects can be hoisted and stacked through a manual or mechanical hoisting method, and storage of gravitational potential energy is achieved; when power supply is needed, the heavy objects on the energy storage tower are hoisted, and drive the power generation equipment to operate in the falling process, so that power generation is completed; and the time needed for construction is short, the power supply efficiency is improved, and the requirement for increasing the power supply amount in a short time is met. The energy storage power generation tower is simple in structure, not limited by terrains, short in construction period and capable of meeting the requirement for urgently increasing the power supply amount in a short time.

The invention relates to the field of distributed geothermal shallow well temperature real-time monitoring, and provides a monitoring system and method. The system comprises a micro control subsystem,an optical signal emission and transmission subsystem, a temperature sensing network and a photoelectric signal converting and processing subsystem. The micro control subsystem controls the emissionof scanning optical signals. The optical signal emission and transmission subsystem emits scanning optical signals to the temperature sensing network. The photoelectric signal converting and processing subsystem receives the optical signals returned by all temperature sensor strings, converts the optical signals into electrical signals and transmits the electrical signals to the micro control subsystem to realize temperature monitoring. The problem that the existing monitoring equipment has poor corrosion resistance, is vulnerable to electromagnetic interference, cannot realize multi-channel real-time monitoring and has low precision is solved.

The invention relates to a fault automatic detection and repair power supply selection control circuit, and belongs to the field of power supply control. The fault automatic detection and repair power supply selection control circuit is mainly composed of a voltage transformation module, an isolation voltage module, a photoelectric coupling module, a single-chip microcomputer control module and a relay enabling module, and has the characteristics of multi-channel intelligent control, automatic fault detection and repair, stability, reliability, real-time performance, high efficiency, energy conservation, environmental protection and the like which are incomparable with the conventional power supply control circuit; and intelligent power supply and distribution control can be satisfied.

The invention discloses a photoelectric-control water spray device of a water dispenser for chickens in the field of water dispensing equipment for poultry. The water dispenser comprises a water delivery channel, a water pump mounted on a water dispenser base and a nozzle arranged on a water dispenser casing, the water pump comprises a water inlet and a water outlet, the water inlet is connected with a water outlet of the water delivery channel through a hose, and the water outlet is connected with the nozzle through a hose; the water dispenser is provided with a dust removal system, the dust removal system comprises the water pump, a water pump driving circuit and a dust detection device, the dust detection device comprises a photoelectric sensor and a microcontroller which are connected with a power supply, and the microcontroller is also connected with the photoelectric sensor and the water pump driving circuit. The water pump is controlled to deliver water to the nozzle by automatically detecting the dust concentration of air around the water dispenser, water drops are sprayed out and mixed with dust in the air, the dust sinks, and the dust removal effect is realized.

An ultra-weak fiber grating wavelength demodulation module comprises a shell, a laser pulse generator, an optical line unit and an embedded board card are arranged in the shell, the embedded board card is respectively connected with the laser pulse generator and the optical line unit, and the laser pulse generator is connected with the optical line unit. And the laser pulse generator is used for generating laser pulses with repeatedly changed wavelengths. And the optical circuit unit is used for amplifying and outputting the laser pulse, receiving an optical signal returned by the measured object, completing photoelectric conversion and then outputting the optical signal. The embedded board card is used for performing instruction and parameter setting on the laser pulse generator and configuring the optical circuit unit; and the embedded board card is used for grating positioning and wavelength real-time analysis, and outputting the wavelength and position information of the ultra-weak grating. The pulse type wavelength scanning laser is adopted to replace a light source and a light modulator, and an optical circuit is integrally designed, so that the system structure is simplified, the power consumption and the size of the demodulator are greatly reduced, and the demodulation speed is improved.

The invention relates to a medium-voltage frequency conversion speed regulation device special for an electric submersible pump. A three-phase 700V-3,300V alternating current passes through the input of a rectifier module and is firstly converted into a direct current, the output of the rectifier module is connected with a direct-current filter module in parallel, the direct current is filtered, the positive voltage output, the zero voltage output and the negative voltage output of the direct-current filter module are connected to corresponding positions of an inverter module, a three-phase alternating voltage output by the inverter module is connected to a sine wave filter, and the filtered three-phase alternating voltage is connected to an electric submersible pump unit through the output of the sine wave filter. The inverter module is of a three-level topological structure formed by an IGBT module with the rated voltage of 6,500 V, direct frequency conversion speed regulation can be achieved under the 3,300V alternating voltage, a transformer does not need to be boosted, and the occupied area and cost of equipment are lowered. Meanwhile, the sine wave filter is integrated inside, the need of the electric submersible pump for long cable supply can be met, insulation damage caused by harmonic waves to a power supply cable and the electric submersible pump unit is lowered, the service life of the device is prolonged, and the maintenance cost of the device is lowered.

A disclosed automobile rearview mirror capable of automatically removing rain, fog and water comprises a first shell and a mirror surface installed at an opening of the first shell, a cavity formed bythe first shell and a mirror surface communicates with the atmosphere, at least one piezoelectric pump is arranged in the cavity, an air inlet of the piezoelectric pump communicates with the cavity,and an exhaust port of the piezoelectric pump communicates with an air blowing port facing the mirror surface through an air bag provided with an air bag exhaust valve plate. The automobile rearview mirror further comprises a piezoelectric energy harvester assembly arranged in the cavity, a temperature and humidity sensor, a circuit control box provided with a control circuit, and a pressure sensor arranged in the air bag, and the piezoelectric pump, the piezoelectric energy harvester assembly, the temperature and humidity sensor and the pressure sensor are electrically connected with the control circuit. In the running process of an automobile, the piezoelectric energy harvester assembly converts jolt and other energy generated in the running process of the automobile into electric energyto be provided for the piezoelectric pump through the direct piezoelectric effect, an external power source is not needed, energy is saved, and the automobile rearview mirror is good in rain and fogwater removing effect and high in working reliability.

The invention discloses a mechanical-air cavity-electronic combined generalized resonant pneumatic power generation device which comprises an air cavity housing, wherein the air cavity housing comprises an air cavity, a PCB (Printed Circuit Board), a resonant capacitor C3 and a magnetic field; the air cavity is arranged in a flow field in an air flowing direction, and has pneumatic resonant frequency FQ; the PCB is partially fixed on the air cavity housing, is located on an only way of an air flow, comprises a printed circuit coil of an inductor L and a resistor R, and has mechanical resonant frequency FP; the resonant capacitor C3 is connected in parallel with two ends 7 and 8 of the printed circuit coil of the PCB; and the magnetic field is arranged in the air cavity, is parallel to the PCB 2, is perpendicular to a movement direction of the printed circuit coil of the PCB, and consists of a permanent magnet and pole shoes. A method of extracting vibration energy from a mechanical generalized resonant component by utilizing mechanical-air cavity combined generalized resonance by outputting alternating current and voltage from the two ends of the printed circuit coil effectively improves the efficiency of obtaining wind energy and converting the wind energy into electric energy; rapid, boosting and high-efficiency storage of the obtained electric energy is further realized by utilizing an RLC3 electronic generalized resonant acceleration and boosting energy storage technology; and a power supply demand of a wireless passive electronic device operating in a windy environment can be met.

The invention discloses an electric welding device which comprises an electricity connection seat and a plug part arranged on the left side of the electricity connection seat; a cavity is formed in the electricity connection seat; first sliding grooves are formed in the upper side and the lower side of the cavity; a spiral rod is arranged in each first sliding groove; the left side ends of the spiral rods are connected with motors; a first slotted hole is formed in the inner wall of the right side of the cavity; first electricity connection rods are arranged at the inner wall of the left sideof the cavity; a sliding block is arranged in the cavity; the upper side and the lower side of the sliding block enter into the first sliding grooves in the upper side and the lower side of cavity andare connected with the first sliding grooves in a sliding fit manner; the parts, in the first sliding grooves, of the sliding block are connected with spiral threads of the spiral rods in a fit manner; first electrifying holes opposite to the first electricity connection rods are formed in the end face of the left side of the sliding block; a circuit is arranged between the end face of the left side of the sliding block and the first slotted hole; an inserting cavity is formed in a wall body on the left side of the electricity connection seat; and second electricity connection rods are arranged at the inner wall of the right side of the inserting cavity. The electric welding device is simple in structure and convenient and quick to operate, power supply connection can be controlled automatically, the inserting connection firmness and safety are relatively high, electric shock danger caused by accidental touch is prevented, and the power supply requirement of an existing welding machine is met.

The invention relates to a parallel type hybrid dynamic transmission system of an armored vehicle. The parallel type hybrid dynamic transmission system of the armored vehicle is characterized by comprising an electric supply system, a dynamic supply system, a power distribution system and a single row planetary gear mechanism used for connecting the systems. The electric supply system and the dynamic supply system, the electric supply system and the power distribution system, as well as the dynamic supply system and the power distribution system perform energy transmission therebetween throughthe single row planetary gear mechanism, and thus different working modes of the parallel type hybrid dynamic transmission system of the armored vehicle are realized. The parallel type hybrid dynamictransmission system is formed through the electric supply system and the dynamic supply system, the dynamic performance and electricity supply performance of the armored vehicle are effectively improved, and the parallel type hybrid dynamic transmission system can be widely applied to dynamic systems of armored vehicles.

The invention discloses a terminal power supply method and device. The method comprises the following steps: a first control chip outputs a plurality of initial first register values and a plurality of initial second register values to a second control chip and detects whether a battery is connected; if the battery is connected, the first control chip determines a plurality of first register values according to the type of the battery and outputs a plurality of first register values to the second control chip to cover a plurality of initial first register values; the second control chip is enabled to determine a plurality of second register values according to the type of the battery and overwrite a plurality of initial second register values; the second control chip adjusts the power parameters of the battery and the power supply parameters of the terminal according to a plurality of first register values and a plurality of second register values so as to meet the power supply requirements of the terminal; and if there is no battery connection, the second control chip adjusts the power supply parameters of the terminal according to a plurality of initial first register values and a plurality of initial second register values so as to meet the power supply requirements of the terminal.