55results about How to "Large power storage" patented technology

In the field of contactless power transfer for medical devices, more specifically, to contactless power transfer for intra-corporeal medical devices, a rechargeable power supply for an intra-corporeal medical device comprises an implantable power receiving means for wirelessly receiving power, and implantable power storage means. The implantable power receiving means is arranged and configured to receive power from an extra-corporeal power transmitting means for wirelessly transmitting power. The apparatus is particularly useful in the context of minimally invasive procedures.

The invention discloses a multifunctional intelligent sweeping robot. The multifunctional intelligent sweeping robot includes a base and an upper cover; the base includes a base body; a dust storage cavity is formed in an upper end surface of the base body; a first chargeable battery is fixedly stuck on an outer surface of the left end of the dust storage cavity; a second chargeable battery is fixedly stuck on an outer surface of the right end of the dust storage cavity; a first driving device and a second driving device are arranged on the centers of the left end and the right end of the base body respectively; an article storage cavity is formed in the back of the dust storage cavity formed in the base body; a rolling brush device is arranged in the article storage cavity; a rolling brush driving device is arranged on the right end of the rolling brush device; the rolling brush driving device drives the rolling brush device to roll; a support is integrally arranged on the front end of the second driving device; a camera installation groove is formed in the support; and a camera is arranged in the camera installation groove. The multifunctional intelligent sweeping robot is reasonable in structural design, is simple in structure, is low in manufacture cost, is large in charge capacity, is long in working time, is easy to use, and is various in function.

The invention belongs to the technical field of miniature energy conversion and storage devices and particularly discloses a perovskite solar cell integrated device and a preparation method thereof. The integrated device comprises a perovskite solar cell, a thermoelectric power generation piece and a supercapacitor which are sequentially arranged from top to bottom. The perovskite solar cell comprises a conductive substrate, a solar electrode, a perovskite photosensitive layer and a carbon counter electrode which are sequentially arranged from top to bottom. The thermoelectric power generation piece is arranged between the perovskite solar cell and the supercapacitor, and the thermoelectric power generation piece and the perovskite solar cell are electrically connected in a serial connection mode. The supercapacitor is arranged on the cold surface layer of the thermoelectric power generation piece. The invention further discloses a preparation method of the perovskite solar cell integrated device. The integrated device is simple in structure, high in photoelectric conversion efficiency, large in electric energy storage capacity and very stable in storage and output and further has the advantages of being convenient to manufacture, low in cost and suitable for large-area industrial production.

The invention relates to a rope climbing robot. An inner cylinder wall is arranged in an outer cylinder wall, electric motors are symmetrically arranged between the outer cylinder wall and the inner cylinder wall, gears are symmetrically arranged between the outer cylinder wall and the inner cylinder wall, holes matched with the gears are symmetrically formed in the inner cylinder wall, the gearsare connected with transmission wheels B through transmission shafts, bearings A are arranged between the gears and the transmission wheels B, brackets are arranged in the outer cylinder wall, the brackets are located on the both sides of the transmission shafts, hydraulic cylinders are symmetrically arranged in the outer cylinder wall, the hydraulic cylinders are located between the brackets, oneends of the hydraulic cylinders are connected with the bearings A, the other ends of the hydraulic cylinders are connected with the outer cylinder wall, transmission wheels A are arranged on the rotating shafts of the electric motors, the transmission wheels A and the transmission wheels B are driven by transmission belts, a battery is arranged on the outer side of the outer cylinder wall, reinforcing columns are symmetrically arranged on the outer side of the outer cylinder wall, a controller is arranged on one side of the reinforcing columns, bearings B are arranged at the bottoms of the reinforcing columns, the lower ends of the bearings B are connected with hooks, and a rope penetrates through the inner cylinder wall. The rope climbing robot has the beneficial effects that the operation is convenient, and the problem of time-consumption and labor-consumption for transporting heavy objects at high altitude is solved.

The invention discloses a high-power-factor high-voltage non-stroboscopic LED linear drive circuit, and the circuit comprises a load circuit which comprises one or more LEDs in series; a voltage source for supplying power to the LED; a first current limiting circuit connected in series with the load circuit to form a series module, wherein the first current limiting circuit is used for controllingthe current passing through a load circuit to be constant; an energy storage circuit which is in parallel connection with one or more series modules in parallel to form a parallel module, wherein theenergy storage circuit is used for storing the power; a second current limiting circuit which is connected in series with the parallel module, wherein the second current limiting circuit are used forcontrolling the current flowing through the parallel module to be constant and controlling the total energy transmission of a system. The circuit provided by the invention is simple in structure, islow in cost, can achieve the non-stroboscopic characteristic of the LED under the condition that the higher power factor of the system is maintained, achieves the no-ripple characteristic, and achieves the perfect characteristics of the system.

The invention discloses an electric cleaning twisting rod for spinning. The rod comprises a bottom bracket, a machine shell is fixedly connected to the upper surface of the bottom bracket, the outer surface of the machine shell is wrapped by a cotton pad and an anti-falling-off plate, and the anti-falling-off plate is arranged on the upper surface of the cotton pad; a machine cover is in threadedconnection with the upper end of the machine shell, a first lithium battery is fixedly connected to the inner wall of the bottom of the machine shell, a second lithium battery is fixedly connected tothe upper surface of the first lithium battery, a variable frequency motor is fixedly connected to the upper surface of the second lithium battery, a steel needle is rotatably connected to the upper surface of the variable frequency motor and penetrates into the machine cover, and the outer surface of the steel needle is wrapped by a heat dissipation graphite block; a clamping plate is fixedly connected to the inner wall of the top of the machine cover, and the outer surface of the machine shell is provided with a switch button and a display screen. The electric cleaning twisting rod can prevent the situation that the twisting rod falls off since the handheld vibration is large; the twisting rod has a good heat dissipation function and has the advantages of being durable in use and convenient to operate at the same time.

The invention discloses a photovoltaic system with energy storage control equipment and a control method thereof. The photovoltaic system comprises a photovoltaic module, a storage battery, a discharge load and the energy storage control equipment; the energy storage control equipment comprises a measuring and control device, a photovoltaic input end, a power output interface, a photovoltaic acquisition device and a discharge controller; the measuring and control device is connected with the photovoltaic input end and the power output interface; the photovoltaic acquisition device is connected with the photovoltaic input end and the measuring and control device; the power output interface is composed of a plurality of electronic control logic switches, and is connected with the two ends of the storage battery and a series tap end of the storage battery; the storage battery comprises at least two battery modules and a series interface of the storage battery is provided with an external end; and the energy storage control equipment realizes a real-time conversion of the composite state of the power output interface under a set control logic, so as to realize intelligent charging of a storage battery. The photovoltaic system with the energy storage control equipment and the control method thereof provided by the invention can prolong the service life of the storage battery of the photovoltaic system, and increase the electricity storage and generating capacity of the system.

The invention provides a reactive power compensation cabinet provided with a redundant power supply. The structure of the cabinet is optimized, and the convenience degree of door opening and closing is increased due to the rotating structure design, so that all devices are more convenient to maintain; a reactive power compensation controller is arranged for inside compensation, data acquired by a current transformer are analyzed and compared, a combination switch and a miniature circuit breaker are adjusted, a feedback loop is formed, and the compensation precision of a reactive power compensation device and the capacity load increment are increased while the surge protection is adjusted. The power supply redundancy is added, so that a redundant power supply module can be adopted to replace a power supply module in case that the electricity of the power supply module is exhausted or the power supply module breaks down. Structurally, a cabinet body and a top cover are movably assembled, and assembly components can be assembled through larger workpieces at upper parts in the assembly technology, so that the mounting efficiency is greatly improved; the convenience degree of door opening and closing is increased due to the rotating structure design, and all the devices are more convenient to maintain.