47results about How to "Power regulation" patented technology

The invention discloses a light emitting diode (LED) constant current driver and an illuminating system, belonging to the field of illumination. The LED constant current driver comprises a direct current (DC) power supply, a dimming circuit and a pulse width modulation (PWM) control circuit, wherein the DC power supply is used for supplying power for the dimming circuit and the PWM control circuit; the dimming circuit is used for sending a control signal to the PWM control circuit; and the PWM control circuit is used for adjusting a preset voltage according to the control signal to drive an LED light source to work at a constant current state. The illuminating system comprises the LED constant current driver and the LED light source for illumination connected with the LED constant current driver in series. In the invention, the PWM control circuit and the dimming circuit are arranged in the LED driver to adjust the power of the LED light source, and the LED driver has wide adaptable voltage rang and strong universality.

The invention provides a cluster power consumption control method and device. The power consumption control method comprises following steps: collecting the working parameter of each element of the servers in a cluster; building a power consumption model according to the working parameters; calculating the power consumptions of the servers; and making a power consumption strategy according to the power consumptions and executing the power consumption strategy. According to the method and the device of the invention, the power consumption model is built through collecting the working parameters of the servers and rationally analyzing the parameters; the actual power consumptions of the servers are calculated according to the power consumption model; further the rational strategy is made according to the actual power consumptions of the servers; the power consumptions of the servers and the cluster are adjusted through executing the strategy; the integrated power consumption of the server cluster is distributed rationally; and therefore, the efficiency is improved.

The present invention provides a laterally arranged waterproof power supply structure of a power adjustment device, which comprises a power supply circuit board connected with a potentiometer, a cylindrical insulating sheet sleeved onto the outside of the power supply circuit board, a power supply housing sleeved onto the outside of the cylindrical insulating sheet, a first side cover and a second side cover. The first side cover and the second side cover are located on both sides of the power supply housing. A waterproof gasket is attached to the periphery of the inner side of the first side cover to form a cavity structure, so that the positive pressure and the negative pressure generated inside the power supply due to thermal expansion can be effectively eliminated. Therefore, the internal pressure and the external pressure of the power supply are balanced. The water and the air are prevented from entering the power supply, so that the waterproof purpose is achieved. The inner side of the first side cover is provided with a potentiometer fixing seat and a grounding seat. One end of the potentiometer fixing seat, located on the outer side of the first side cover, is designed as a tapping end and is used for sealing the outer side of the first side cover. According to the technical scheme of the invention, the power of the power supply can be adjusted through opening a screw and a sealing ring arranged on the tapping end, and rotating a cross-shaped groove of the potentiometer. In this way, the power adjustment of the power supply is convenient. Meanwhile, the power supply is simple in assembly and good in waterproof performance.

The invention provides a power conditioning circuit of a resistance-type hot plate, and a cooking utensil. The power conditioning circuit of a resistance-type hot plate comprises a power module, a resistance-type hot plate module, a power driving module, a sampling module, and a microprocessor. The resistance-type hot plate module comprises at least a resistance-type hot plate and an auxiliary resistance-type hot plate. The resistance-type hot plate module is connected with the power module. The power driving module is connected with the resistance-type hot plate module. The power driving module is used to control whether the resistance-type hot plate module heats. The sampling module is connected with the power module. The sampling module is used to sample power supply signals of the power module. The microprocessor is connected with the power driving module and the sampling module. The microprocessor controls operating states of the power driving module according to the power supply signals, so as to adjust power of the resistance-type hot plate module and load power of the auxiliary resistance-type hot plate in real time. The technical scheme realizes effect that the microprocessor controls the power driving module according to the output signal of the sampling module, and power range of the resistance-type hot plate module is increased.

The invention relates to the field of communication, which discloses a regulating method of power consumption of a terminal as well as the terminal. In the invention, the method comprises the steps of: when a service is registered or cancelled, obtaining the total clock frequency currently and accurately needed according to the sum of frequency increment of all services currently registered and a basic frequency; further determining the power consumption grade of the terminal and configuring the terminal with corresponding frequency and voltage of the terminal in the power consumption grade. According to the invention, the power consumption of the terminal can be adjusted in real time with smaller resource consumption, and the method is simple to realize and strong in adaptability and takes effect immediately. The system operates in the optimal balance point of efficiency and power consumption, so that the service sensitivity of power consumption of the terminal is realized to the benefit of saving power for the terminal.

The invention provides an automatic focusing efficient laser cutting device, and relates to the technical field of laser cutting. The automatic focusing efficient laser cutting device comprises a shell, the top of the shell is fixedly connected with laser transmission equipment, the bottom of the laser transmission equipment is fixedly connected with a telescopic hose, the bottom of the telescopichose is fixedly connected with laser connecting equipment, the bottom of the laser connecting equipment is fixedly connected with a cutting head, and an adjusting mechanism is fixedly arranged on theouter side of the laser connecting equipment. According to the automatic focusing efficient laser cutting device, detection balls also move and then drive a trigger block to move upwards, so that thetrigger block triggers light touch switches, each light touch switch is triggered through the upward-moving distance, the power of the cutting head is controlled through the multiple light touch switches, thus the cutting degree is adjusted, the thickness of a workpiece and the local height of the workpiece can be detected by the detection balls, and thus cutting can be more regular.

The invention discloses a robot capable of running for long time. The robot comprises a controller, the controller comprises a shell, the back surface of the inner portion of the shell is fixedly connected with a circuit board, the surface of the circuit board is provided with an electronic device in a welded manner, the surface of the electronic device is connected with a first heat conduction plate through bolts, the position, located on the bottom of the first heat conduction plate, of the surface of the electronic device is connected with a second heat conduction plate through bolts, and the position, located on the bottom of the second heat conduction plate, of the surface of the electronic device is connected with a third heat conduction plate through bolts. According to the robot capable of running for long time, by means of the coordination of the first heat conduction plate, the second heat conduction plate, the third heat conduction plate, a first heat conduction bar, a second heat conduction bar, a third heat conduction bar, a heat dissipation plate, refrigeration pieces, a heat dissipation device, a power regulator, a single chip computer, a first temperature sensor, asecond temperature sensor and a temperature display screen, the problem of long time heat dissipation of the robot is solved.

The embodiment of the invention provides an active power real-time control device with a controllable series resistor comprises a DC control unit, wherein the DC control unit comprises a first converter, a second converter and at least one controllable series resistor, a DC side of the first converter is connected with a DC side of the second converter through the controllable series resistor connected in parallel, and an AC side of the first converter is connected with an AC side of the second converter. By setting the number of the controllable series resistors connected in parallel or by coordinative control of the first converter and the second converter, adjustment of an AC power transmission power is achieved, long-distance DC power transmission is not needed, and the technical problem that power adjustment can be achieved by changing original long-term AC power transmission in the prior art to a DC power transmission network is solved.

The invention relates to a laser DED manufacturing control system and method fusing temperature and image information, the system comprises an embedded module, a laser DED manufacturing system, a temperature sensing module, a visual sensing module and a PID control module, and the laser DED manufacturing system, the temperature sensing module, the visual sensing module and the PID control module are all connected with the embedded module. Compared with the prior art, a molten pool overflow threshold calculation algorithm based on the contour of the molten pool is used to obtain a dimensionless number to represent the overflow degree of the molten pool, and the dimensionless number is used as a parameter supervisor of the PID control module; an analog quantity signal of the temperature is used as a feedback value of the PID control module; a PID control algorithm with a parameter supervisor is used, the advantages of visual reflection of images on cladding layer forming and high-speed response of temperature on the physical phenomenon of a molten pool are combined, multivariable control of the temperature and image information of the molten pool on cladding layer forming quality is achieved, and a new technical approach is provided for real-time control of laser DED manufacturing forming.

The invention relates to the technical field of peanut husking machines, and specifically relates to a peanut husking machine based on laser pretreatment. The peanut husking machine comprises a laser cutting mechanism, a conveying unit and a laser cutting head are arranged in the laser cutting mechanism, a kneading mechanism is arranged at the tail end of the laser cutting mechanism, a gap adjusting mechanism is arranged on the kneading mechanism, a lifting mechanism is arranged at the tail end of the kneading mechanism, and the output end of the lifting mechanism is connected with the cleaning mechanism. Shells of peanut pods can be subjected to laser cutting pretreatment through the laser cutting mechanism, the shells of the peanut pods are crushed, and under the action of the kneading mechanism, the crushed peanut pods can be subjected to shelling treatment; and the peanut seed breakage rate is reduced, the kneading mechanism can be adjusted through the gap adjusting mechanism, the kneading mechanism can conduct shelling treatment on peanut pods of different varieties and different sizes, the peanut seeds in the peanut pods are kneaded out, the shelling efficiency of the peanut pods is improved, and the application range is wide.

The embodiment of the invention provides a method and a device for reducing power consumption of an electronic device, and the method comprises the steps: obtaining a target parameter, and then adjusting the brightness of a display screen according to the target parameter, so as to adjust the power consumption of the display screen. According to the scheme, the brightness of the display screen canbe adjusted in real time according to the target parameters, so that the power consumption of the display screen is adjusted, and the power consumption of the display screen is reduced.

The invention discloses a distributed arc motor, and the motor comprises at least two arc motors, wherein each arc motor comprises an arc-shaped stator and a corresponding rotor with the same number of pole pairs. The stators of the arc motors form a circle. The setting of the arc motors enables the torque to be very high during a low rotating speed, and the enables the power density to be very high, and enables the start torque to be large. The number of the distributed motors in operation can be changed according to the needs, thereby achieving the power adjustment. When one arc motor has afault, there is no stalling event like a common motor, thereby improving the production safety.