45results about How to "Solve power supply difficulties" patented technology

The present invention relates to the technical field of mobile communications. Provided are an indoor distribution system, a local unit and a remote unit designed to realize high-speed transmission of multipath signals while saving resources and avoiding the power supply difficulty of a remote unit. The indoor distribution system comprises a local unit (11) and a remote unit (12) connected via a single feeder cable; the local unit (11) comprises a local mixing part (111), and the remote unit (12) comprises a remote mixing part (121), the remote mixing part (121) being a passive component. The present invention is suitable for the network structure of mobile communication.

The invention relates to the technical field of advertisement display boards, in particular to outdoor energy-saving advertising equipment. The equipment comprises an advertising board, a sweeping device, a mounting base, a dust sensor and a controller; the mounting base is of a box structure and comprises an upper box body and a lower box body, a partition plate is arranged between the upper box body and the lower box body, the advertising board is arranged on the mounting base, a rainwater collecting box, a solar electromagnetic board and a wind-driven generator are arranged on the top of the advertising board, the power output ends of the solar electromagnetic board and the wind-driven generator are connected with a storage battery which is arranged inside the upper box body and supplies electricity for the whole equipment, a drain hole is formed in the bottom of the rainwater collecting box, a water diversion pipe is connected to the drain hole, the lower end of the water diversion pipe penetrates through the partition plate and leads to the lower box body, a water level sensor is arranged inside the lower box body, and a valve is arranged on the water diversion pipe. By means of the outdoor energy-saving advertising equipment, the problem that due to the fact that nobody cleans a traditional advertising board for a long time, the advertisement display effect is affected can be solved, and the function of automatically cleaning the advertising board is achieved.

The invention relates to a wind, light and diesel storage independent power supply switching system for a communication base station. The system comprises a wind power generator, a photovoltaic power generation array, a storage battery set, a diesel generator set, a communication base station load, a micro-network monitoring system, a digital signal processor, an alternating current load, DC/AC converters and a controllable load, wherein, an electric energy output end of the wind power generator is connected with an alternating current power supply input end of a first AC/DC converter, a direct current power output end of the first AC/DC converter is connected with an input end of a first DC/DC converter, an electric energy output end of the photovoltaic power generation array is connected with an input of a second DC/DC converter, an electric energy output end of the storage battery set is connected with an input end of a third DC/DC converter, and an electric energy output end of the diesel generator set is connected with an alternating current power supply input of a second AC/DC converter. According to the wind, light, diesel storage independent power supply switching system for the communication base station, and when a diesel engine accesses or exits from the system, the voltage of a direct current bus keeps stable all the time.

The invention relates to the field of means of transportation, in particular to an emergency lane pass device. The device comprises at least a power supply device, a vehicle identification device, an active warning device and a central processing unit, wherein the vehicle identification device comprises a trigger unit, an acquisition unit, a fill light unit and a plate-number identification control unit, the vehicle identification device can identify rescue vehicles, a light warning mode of an audible and visual alarm is triggered to remind front social vehicles of an emergency occurrence, if social vehicles still illegally enter the front emergency lane in this case, the vehicle identification device installed beside the emergency lane identifies the vehicles as non-rescue vehicles and opens an audible warning mode of the audible and visual alarm at the same time to remind the illegal vehicles to leave the emergency lane. The device fully prevents the emergency lane from being occupied by social vehicles in an emergency, and ensures that the emergency lane is clear.

The invention relates to a distribution-type household photovoltaic and ice storage optimizing coordinated control system and method. A photovoltaic and ice storage air-conditioning system stores solar energy in the mode of ice in the daytime, photovoltaic collecting of multiple low-energy densities is achieved, and cooling capacity is released at night. According to the characteristics of big data and historical data, the current ice storage quantity and the working mode of the system are determined through judgment of the control system, and the refrigeration requirements of users at night are met. Through the operation mode of the photovoltaic and ice storage air-conditioning system, the problem that at present, grid electricity supply is difficult due to the large air conditioning loadproportion is solved, and meanwhile the photovoltaic use ratio is increased; the ice is stored in the electricity using low ebb period of the daytime when residents go out, the cooling capacity is released in the electricity using peak at night, thus peak load shifting is achieved, the electricity using peak-ebb difference is decreased, the electricity using load on the grid side tends to be stable, and the generating efficiency of a generating unit is improved; and in addition, the solar energy in the daytime is stored and used at night, and the problem of photovoltaic inverse peak shiftingis solved.

The invention provides a Ku-band waveguide-based spatial four-way power combiner, which is characterized in that: two pieces of one side finline amplifier PCBs with double channels, which are vertical to an E surface of waveguide, are placed symmetrically in the waveguide as a mode of 2+2; the two pieces of one side finline amplifier PCBs with double channels are isolated by a cushion block so that there is a gap between the two pieces of one side finline amplifier PCBs with double channels. In the invention, four-way power combination is achieved by two pieces of PCBs and the combination is performed in the waveguide, which saves spaces and reduces the volume of the model. Combined efficiency is more than 80%.

The invention relates to an apparatus for realizing automatic channel switching control of a large dam monitoring apparatus collective line box and a method thereof. The apparatus comprises the large dam monitoring apparatus collective line box, a collective line box controller and a communication cable. The collective line box controller comprises a power carrier wave signal generator and a microcontroller which are mutually connected. The power carrier wave signal generator is connected with a first communication interface. The microcontroller is connected with a display device, an operation instruction input device and a power supply interface. The large dam monitoring apparatus collective line box comprises a second communication interface, a power carrier wave decoding circuit, a channel selection control circuit and a relay array which are connected in order. The relay array is provided with a safety monitoring apparatus interface array and a safety monitoring apparatus core wire bus interface. The apparatus also comprises a power taking circuit. The communication cable is connected with the first communication interface and the second communication interface. According to the apparatus and the method, the large dam monitoring apparatus collective line box realizes passivity work and automatic channel switching control, and the apparatus and the method have very practical meaning to realization of large dam safety monitoring in a construction period.

A rotating connection power supply bracket includes a slip ring, a support arm and a binding post. The support arm and the slip ring are integrally formed. The front end of the support arm is fixedlyconnected to the outer wall of the slip ring. The support arm and the slip ring are conductors. The support arm is provided therein with a liquid chamber. The front end of the liquid chamber extends toward the slip ring and penetrates through the wall of the slip ring to form an opening on the inner wall of the slip ring. The liquid chamber is filled with a conductive liquid. A threaded hole is disposed in the support arm. The front end of the threaded hole communicates with the rear end of the liquid chamber. The rear end of the threaded hole penetrates through the rear end of the support arm. The support arm is provided with the binding post. The binding post is inserted into the threaded hole from the rear end of the threaded hole and is in threaded connection with the threaded hole. The binding post is configured to be connected with a power source. The power supply bracket can solve the problem that it is difficult to supply power to a rolling element in a rotating state.

The invention discloses a self-driven agricultural internet of things wind speed sensor nano-friction electricity generation method, and belongs to the field of agricultural intelligence and environmental protection. Thus, the problems of the measuring, collecting and converting of agricultural wind speed into triboelectricity quantity and convenient storage can be solved. The hemispherical fan blade of a wind speed sensor can be pushed to rotate by wind energy, and the sleeve of the wind speed sensor can rotate, so that the following rotation of a blade disc can be realized, and rotating contact with a disc base plate opposite to and in contact with the blade disc can be generated during rotation; the surface, opposite to the disc base plate, of the blade disc is provided with electrodes;one electrode is covered with a friction material, and one electrode is grown with a nanoscale metal oxide; and the rotating contact can cause the rotation, contact and friction of the friction material and the nanoscale metal oxide, so that the wind energy can drive the material to generate electricity through friction, and effects of electric energy storage and wind speed measuring can be realized.

The invention belongs to the technical field of rail transit, and particularly relates to a railway track energy acquisition device. The track vibration energy acquisition device comprises a stressedplate, transmission assemblies, a rotating assembly, a power generation assembly and an energy storage assembly, wherein the transmission assemblies comprise the first transmission assembly and the second transmission assembly; the rotating assembly comprises a conical gear set and a main shaft; the conical gear set is connected with one end of the main shaft; the first transmission assembly and the second transmission assembly are respectively connected with the main shaft through the conical gear set; the conical gear set is provided with one-way bearings which are matched with the first transmission assembly and the second transmission assembly to realize the continuous one-way rotation of the main shaft; the first transmission assembly and the second transmission assembly are both connected with the stressed plate; the rotating assembly is connected with the power generation assembly; and the power generation assembly is connected with the energy storage assembly. According to therailway track energy acquisition device, a railway self-powered system is used for supplying power for trackside equipment, and the problem that low-voltage power supply for the auxiliary equipment isdifficult in railway operation in remote areas is solved to a certain extent.

The invention discloses an online monitoring system for a high-voltage isolator. The online monitoring system comprises an induction power module, a Zigbee radiofrequency module, an acceleration sensor module, an STM32 controller module and an upper computer module. The STM32 controller module is connected with all of the induction power module, the Zigbee radiofrequency module and the acceleration sensor module. The induction power module powers the STM32 controller module. The acceleration sensor module transmits acceleration signals to the STM32 controller module, and the STM32 controller module transmits the acceleration signals to the Zigbee radiofrequency module. The Zigbee radiofrequency module is connected with the upper computer module and transits the acceleration signals to the upper computer module. The online monitoring system allows for intelligence of continuous power supply and wireless data transmission, and is simple to implement and high in safety and reliability.

The invention discloses a solar energy integrated sewage treatment device, which comprises a remote PLC control platform, a solar energy photovoltaic panel, a sewage energy storage battery, and a sewage treatment module. The sewage treatment module comprises a frequency conversion quantitative lifting system, a multi-stage aerobic system, and a micro air floating system, the remote PLC control platform uses 4G or 5G signals for data transmission and is used for synchronous management between among devices, the solar energy photovoltaic panel is arranged above the sewage treatment module and connected with the sewage energy storage battery through a circuit, and the remote PLC control platform and the sewage energy storage battery are arranged on the outer side of the sewage treatment module. The solar energy integrated sewage treatment device is an integrated device, the mounting and maintenance costs are low, energy consumption is low, long-term continuous work is realized, water output of a water pump is adjustable, and the solar energy integrated sewage treatment device is especially suitable for the treatment of domestic sewage in rural towns and villages.

The invention discloses a ring main unit dehumidification system based on wind-solar complementary self-energization. The system comprises a power supply module, a controller, a monitoring module anda dehumidification module, wherein the power supply module supplies power to the controller, the monitoring module and the dehumidification module, the monitoring module and the dehumidification module are connected with the controller, the dehumidification module comprises a semiconductor chilling plate, a fan and a radiator, the semiconductor chilling plate comprises a hot end and a cold end, the radiator is connected with the hot end, the fan improves the heat dissipation efficiency of the radiator, the monitoring module monitors the air humidity in a ring main unit, and the controller controls the semiconductor chilling plate and the input current of the fan. The ring main unit dehumidification system has the advantages that the technical problem that the performance and the service life of power equipment are reduced due to the fact that the humidity in the ring main unit is too high is solved, the potential safety hazard problem that the ring main unit catches fire is solved, andthe problem that the ring main unit dehumidification system is difficult to supply power is solved.

The invention discloses a container-type closed plant factory photovoltaic power generation system, characterized by comprising a closed plant factory, a solar cell module laid on the outer surface of the top of the plant factory, and an intelligent charge/discharge controller, an energy storage battery and an inverter installed on the inner side wall of the plant factory, wherein the intelligent charge/discharge controller is separately connected to the solar cell module and the energy storage battery via leads, the energy storage battery is connected to the inverter via a lead, and the inverter can output alternating-current 220V voltage.

The invention relates to a solar-powered contact type road surface icing detection system and a detection method thereof. The invention belongs to the technical field of piezoelectric ceramic contact type icing detection. The system comprises an ice detection module: a multi-channel piezoelectric ceramic icing sensor, a voltage amplification module, a blocking filtering module, a rectification module, an STC12C5A60S2 main control chip, a GPRS 1090F 2G wireless module and a cloud server ECS module; and a power supply module: a solar cell panel, a solar storage battery, a solar master controller and a DC-DC 12V stabilized power supply module. According to the invention, the monitoring of the actual road surface state and the transmission of real-time road surface data are realized, the solar power supply system is additionally arranged, the normal operation of the ice measurement system on the remote mountain road is ensured, the function of driving four paths of icing sensors by one signal box is realized, and the measurement range is expanded. Data measured by the icing sensor are compensated and corrected by a cloud server end algorithm, so that the measurement precision is ensured to be +/-0.1 mm, and the ice measurement system has the advantages of high precision and strong stability.

The invention discloses a new energy plateau sheep house which comprises an enclosing wall, fences and a ceiling, the ceiling is fixedly connected to the top of the enclosing wall, a plurality of sheep house compartments are arranged in the enclosing wall, gates are arranged on the walls on the sunny sides of the sheep house compartments, the fences fixed to the enclosing wall are correspondingly arranged on the outer sides of the gates, and the fences are fixedly connected to the fences. The ceiling is composed of a triangular frame, triangular side plates, a first heat preservation plate, a second heat preservation plate, a heating plate and a photovoltaic plate. Photovoltaic power generation is adopted and stored in the storage battery to provide basic power supply, the limitation of plateau power supply difficulty is solved, energy consumption and breeding cost are greatly reduced, during breeding, mutton quality is improved through fence-dividing breeding, the sliding amplitude of photovoltaic panels is adjusted according to needs, a heat preservation plate and a heating plate are arranged in cooperation, and the structural design of the ceiling is combined, so that the breeding efficiency is improved. The lighting and heating efficiency can be adjusted in summer and winter, the heat preservation effect of the sheep house is guaranteed, the solar radiation receiving power generation efficiency of the photovoltaic panel is high, and the breeding specialty is improved.