The invention belongs to the technical field of household electrical appliances, and discloses an electromagnetic axial-free centripetal type continuous vortex-blade smoke-exhaust cooker hood. Continuous strip-shaped axial-free positive centripetal type vortex blades are connected to the inner wall of a rotatable cylinder body in a surrounding mode. According to the continuous strip-shaped axial-free positive centripetal type vortex blades, the pitch is from big to small, the angle of the radius is tilted from 90 degrees to 45 degrees, the rim radius is invariable, the radius thickness edge isgreater than the center, and the bending angle is bent towards the flu gas inlet direction from 90 degrees to 45 degrees. An oil fume body in the rotatable cylinder body does vortex motion of revolution and rotation on the continuous strip-shaped axial-free positive centripetal type vortex blades, and a more-than-five-dimensional multiple dynamic equation is formed. According to the electromagnetic axial-free centripetal type continuous vortex-blade smoke-exhaust cooker hood, the oil fume is in the positive centripetal type vortex blades and a blade channel, the impact force of the blade anda fluid is avoided, the acceleration and the space order compression of long time are withstood, and the advantage of reducing the resistance by 30%, stabilizing the low noise for a long period below30 decibels and saving power consumption by 15% is achieved.

Electromagnetic axial-free centripetal type continuous vortex-blade smoke-exhaust cooker hood

The invention relates to a power generation mechanism, and discloses a hydroelectric generation device. The hydroelectric generation device comprises a water wheel assembly, an electric generator and a storage battery, the water wheel assembly is connected with the electric generator, the storage battery is connected with the electric generator through a wire, the water wheel assembly comprises a water wheel device, a shell, a rotating shaft and a permanent magnet assembly, the water wheel device and the rotating shaft are arranged inside the shell, the water wheel device comprises a water wheel body, the shell comprises an effluent waterway which is connected with the water wheel body, flow control over water flow is achieved, effective utilization on water energy is achieved, and the permanent magnet assembly is arranged on the water wheel body and the rotating shaft. Accordingly, an internal space is formed through the water wheel device and the shell, the internal space adjusts the water flow, and effective conversion on the energy in the water flow change process is achieved.

Power generation mechanism

The invention belongs to hydraulic generation technologies and discloses a hydraulic horizontal solenoid rotor generator unit and a generator station thereof. A whole hydraulic horizontal single-ended solenoid rotor single-generator unit is in the horizontal type, an impeller of a water turbine is a turning wheel formed by casting a force balance rotor, a connecting pipe and a solenoid rotor into a whole, and a water chamber between the force balance rotor and the solenoid rotor communicates with a water conduit on a machine shell. A whole hydraulic horizontal double-ended solenoid rotor single-generator unit is in the horizontal type, an impeller of a water turbine is a turning wheel which is formed by casting a left solenoid rotor, a connecting pipe and a right solenoid rotor into a whole and can drive a rotary shaft to rotate in the same direction, a water chamber between the left solenoid rotor and the right solenoid rotor communicates with a water conduit on a machine shell, and a left water drainage cavity and a right water draining cavity are formed. The hydraulic horizontal single-ended solenoid rotor double-generator unit or the hydraulic horizontal double-ended solenoid rotor double-generator unit can be formed, stream axial impact force can be borne, and bearing axial stress can be zero. The hydraulic horizontal solenoid rotor generator unit and the generator station thereof are applied to hydraulic generation and used according to the local conditions, the role of converting water kinetic energy or static energy for power generation mainly can be played, and natural water resources are fully used.

Hydraulic horizontal solenoid rotor generator unit and generator station thereof

The invention discloses a high-voltage pulse generation circuit, which comprises a direct-current voltage stabilizing power supply, a current-limiting resistor, a high-voltage capacitance ratio pulsemodulation circuit, a driving module, a control module and a load, wherein the direct-current voltage stabilizing power supply is connected with the current-limiting resistor to supply power to the high-voltage capacitance ratio pulse modulation circuit, the high-voltage capacitance ratio pulse modulation circuit generates pulses and applies the pulses to the load, and the control module generatescontrol signals which are amplified by the driving module and are respectively connected to corresponding solid-state switches in the high-voltage capacitance ratio pulse modulation circuit. According to the invention, through mutual cooperation between topology and a solid-state switch time sequence, cyclic stepped voltage-multiplying charging and discharging are realized, the number of devicesis greatly reduced while high boosting capability is ensured, the size is small, the weight is light, parameters are adjustable, and certain anti-interference capability is realized.

High-voltage pulse generation circuit

The invention discloses an axial flow magnetic suspension permanent magnet hydro-generator. The axial flow magnetic suspension permanent magnet hydro-generator comprises a volute, a rotor shaft, a left suspension magnetic bearing, a right suspension magnetic bearing, a left limiting assembly, a right limiting assembly, a hydro-generator set, a first flow guiding assembly and a second flow guiding assembly, wherein the volute is provided with a water inlet; the rotor shaft is arranged in the volute and the rotor shaft and the volute are provided with the same axis; the left suspension magnetic bearing and the right suspension magnetic bearing are arranged in the volute and the left suspension magnetic bearing, the right suspension magnetic bearing and the volute are provided with the same axis; the left limiting assembly and the right limiting assembly are arranged at the two ends of the volute correspondingly and used for axially limiting the rotor shaft; the hydro-generator set is arranged on the rotor shaft; the first flow guiding assembly is arranged in the volute and used for guiding entered water to the hydro-generator set; and the second flow guiding assembly is used for guiding water in a cavity out of the two ends of the volute. The two ends of the rotor shaft are arranged in the left suspension magnetic bearing and the right suspension magnetic bearing in a penetrating mode correspondingly and always suspended on the axis of the volute and not eccentric under the radial repulsive force action of the left suspension magnetic bearing and the right suspension magnetic bearing. The two ends of the rotor shaft abut against the left limiting assembly and the right limiting assembly correspondingly. The axial flow magnetic suspension permanent magnet hydro-generator is simple in structure and high in power generating efficiency.

Axial flow magnetic suspension permanent magnet hydro-generator

The invention discloses a compact high-voltage controllable Marx generator which comprises a charge power supply, a charge resistor, a sphere-gap trigger switch, a withstand voltage capacitor set, (N-1) capacitors, (N-1) spark switches, 2N resistors and steep gaps, wherein the charge resistor, the sphere-gap trigger switch, the withstand voltage capacitor set, the capacitors, the spark switches and the resistors are all arranged in a sealed metal barrel; the sealed metal barrel is filled with mixed gas of liquid nitrogen and sulfur hexafluoride; the steep gaps are used for outputting steep leading edge high voltage pulses. The compact high-voltage controllable Marx generator is high in reliability, small in size, steep in pulse high voltage leading edge and low in construction cost.

Compact high-voltage controllable Marx generator

The invention discloses a seawater saline ion separator based on the principle of a pulse transformer and a seawater desalting method The seawater saline ion separator comprises a water pipe, a power conversion device, a pulse generation device electrically connected with the power conversion device, a transformer electrically connected with the pulse generation device and an ion separation device electrically connected with the pulse generation device, wherein one end of the water pipe is a seawater inlet, and the other end of the water pipe is a fresh water outlet; the transformer comprises a transformer iron core, a pulse transformer primary winding and a pulse transformer secondary winding; the pulse transformer secondary winding is an insulating water pipe winding; a tap at a middle section of the insulating water pipe winding communicates with the water pipe; two ends of the insulating water pipe winding are relatively thin, so that water cannot flow out under the surface tension of the water; the power conversion device is used for converting alternating current into direct current, and supplying stable power to the pulse generation device; the pulse generation device is used for generating an alternating current signal to the pulse transformer primary winding and an acceleration pulse signal to the ion separation device in sequence

Seawater saline ion separator based on principle of pulse transformer and seawater desalting method

The invention discloses a wave front peak energy accumulator, an energy accumulating method and a water energy power generating method. The wave front peak energy accumulator comprises a fixed pressure pipe and a movable pressure pipe, wherein the fixed pressure pipe is vertically located in water and is close to a water surface position; the movable pressure pipe is in interference fit with the fixed pressure pipe and can move in the fixed pressure pipe along an axial direction; the fixed pressure pipe comprises a bottom wall and a first pipe wall formed by upwards extending from the edge of the bottom wall; a water outputting component which can be used for outputting water in the wave front peak energy accumulator is arranged on the bottom wall; a central shaft lever is formed by upwards extending from the center of the bottom wall; a guide matching component which can be sheathed on the central shaft lever and is matched with the central shaft lever is arranged in the movable pressure pipe; and a buoyancy component is also arranged at a position, close to the top end, in the movable pressure pipe. The peak of waves is retained, and wave energy is enabled to be efficiently collected; and when multiple wave front peak energy accumulators are connected in parallel through one-way valves, large-scale collection of the wave energy can be realized.

Jiang Xin

Papers

Axial flow magnetic suspension permanent magnet hydro-generator

Compact high-voltage controllable Marx generator

Seawater saline ion separator based on principle of pulse transformer and seawater desalting method

Wave front peak energy accumulator, energy accumulating method and water energy power generating method