26results about How to "Power stability" patented technology

The invention relates to the technical field of battery structures, and provides a box body, a battery and electric equipment.The box body is used for containing a battery module and comprises a bottom plate, a mounting beam and a module beam, the bottom plate is provided with a first side face and a second side face which are opposite in the thickness direction, a reinforcing structure is arranged on the bottom plate, and the module beam is used for mounting the battery module; the module beam is arranged on the first side face, the mounting beam is used for mounting the box body and arranged on the second side face, and the reinforcing structure is used for being connected to the mounting beam and / or the module beam; according to the box body provided by the embodiment of the invention, the mounting beam and / or the module beam can be connected by utilizing the reinforcing structure, so that the connecting strength between the bottom plate and the mounting beam and / or the module beam can be improved, and the aim of meeting the requirement of the box body on relatively high structural strength can be fulfilled.

The invention discloses an off-grid photovoltaic power generation system based on flywheel clean battery energy storage. A cleaning model and a charging / discharging equivalent model circuit under a d-q shaft system are established; a control strategy in the flywheel battery charging / discharging process is analyzed and determined, a photovoltaic system and a flywheel battery are combined, a combined system is divided into four working models according to the supply-demand relation between the output power of the photovoltaic system and the power required by a load, and a control method of a combined controller is formulated. And analyzing and optimizing the operation state of the system under each working model and the energy storage and release effects of the flywheel battery. The combined system can stably operate under each working model and among the working models; the charging / discharging efficiency and the discharging depth are relatively high, and a quick response can be made to the difference value change of the output and the load power of the photovoltaic system; and energy is stored when the output of the photovoltaic system is residual, and energy is released to make up for the demand when the output of the photovoltaic system is insufficient, so that the electric energy quality is effectively improved, and the resource waste is reduced.

The invention relates to the technical field of battery structures, and provides a box body, a battery and electric equipment, the box body is used for being arranged on a main body of the electric equipment, the box body comprises a bottom plate and a mounting beam, the bottom plate is provided with an outer wall surface, the mounting beam is used for connecting the main body, the mounting beam comprises a connecting part, and the connecting part is configured to be connected to the bottom plate; at least part of the connecting part is attached to the outer wall surface; according to the box body provided by the embodiment of the invention, the box body can be connected to the main body of the electric equipment through the mounting beam, the mounting beam is connected and attached to the bottom plate through the connecting part, and the contact area between the mounting beam and the bottom plate can be increased by arranging the connecting part; therefore, the larger contact area between the bottom plate and the connecting part can disperse the stress between the bottom plate and the mounting beam, that is, the risk of breakage between the bottom plate and the connecting part is lower, and the box body is more reliable when being hung on the main body of the electric equipment through the mounting beam.

The application provides a downhole while-drilling active refrigeration temperature difference power generation device and a downhole power generation system, and relates to the field of energy sources.The downhole while-drilling active refrigeration temperature difference power generation device comprises a power transmission module, a refrigeration module, a thermal management module, a while-drilling instrument electric control module and a power generation module; the power transmission module is magnetically coupled with the refrigeration module, and is used for driving the refrigeration module to generate cold energy by taking downhole fluid as a motive energy source; the thermal management module transmits cold energy to the power generation module; the power generation module comprises at least one temperature difference power generation sheet, is connected in series with the while-drilling instrument electric control module, is used for generating power by using a temperature difference, and supplies power to the while-drilling instrument electric control module and while-drilling instruments carried by the while-drilling instrument electric control module. Through the application, the temperature difference power generation method can be used to stably generate power in a downhole environment, and the effect of providing stable electric energy for while-drilling instruments can be achieved.

The invention relates to the technical field of oil exploration, solves the technical problem of short-circuit corrosion of a sensor and a circuit board caused by oil, water and gas due to aging failure of a rubber sealing ring in the prior art, and particularly relates to a storage type underground pressure testing device and system. The bottom of the ground reading mechanism is provided with an underground high-temperature-resistant storage type pressure gauge used for measuring the underground pressure of an oil field, and the underground high-temperature-resistant storage type pressure gauge comprises a connecting top seat used for protecting an internal circuit of the pressure testing device, a battery outer cylinder and a circuit board outer cylinder. The aging condition of the sealing rubber ring after long-term use is avoided, the sealing effect is reduced, and the probability of short circuit or corrosion of the sensor and the circuit board in the device is reduced, so that the integrated welding does not affect maintenance, the service life of the device can be prolonged, and the short circuit corrosion problem of the device is reduced.

The utility model relates to a detection device, in particular to a liquid level detection device for a gas well of a gas storage. The detection device is composed of an explosion-proof box body and a detection head, wherein the detection head is composed of a box body connecting disc, an infrasonic wave transducer, an infrasonic wave distance measuring sensor and a temperature and pressure integrated sensor. According to the detection device, low-frequency infrasonic waves are generated through the infrasonic wave transducer, and then the liquid level is detected through the infrasonic waves, so that adverse effects caused by a traditional ammunition sound production mode can be overcome, environmental pollution is effectively prevented, potential safety hazards are reduced, energy consumption is reduced, physical abrasion possibly generated by a traditional electromagnetic valve opening and closing method can be avoided, and the detection effect is good. And the direct contact and friction of mechanical parts are reduced, so that the service life of equipment is prolonged, the system failure rate and the maintenance cost are reduced, and the overall reliability is improved. The problems that an existing detection mode is high in safety risk and equipment is prone to damage are solved. The device is especially suitable for detecting the liquid level of the gas well in the gas storage.

The utility model discloses a kind of communication equipment of ethernet isolated network, including multi-machine communication circuit, FPGA transmission data circuit, fan control circuit and power-on delay circuit.Multiple machine communication circuit realizes and communicates with external multiple equipment;FPGA transmission data circuit is shaped to transmission data and is handled;Fan control circuit connects cooling fan, and it is controlled to start and stop;Power-on delay circuit is connected between each functional circuit and external power supply, and power supply output electric energy is delayed and then supplied to each circuit, and the utility model realizes the orderly start of each functional module by power-on delay circuit, avoid the surge current generated by simultaneous power-on to cause damage to circuit, improve equipment stability.

This invention belongs to the field of new energy and renewable energy development technology, and relates to a dual-source power generation device that combines raindrop cascade power generation with atmospheric moisture absorption, desorption, and condensation of water droplets. It includes: a housing, a droplet power generation array, a condensation chamber, and an energy storage and monitoring system disposed inside the housing, and a photovoltaic composite panel disposed on the top of the housing; the droplet power generation array includes a support plate disposed inside the housing and multiple droplet power generation units, which are arranged in an array on the upper surface of the support plate; the photovoltaic composite panel is movably connected to the housing; the photovoltaic composite panel is a composite panel composed of a photovoltaic panel, a heat-conducting plate, and a fiber layer; the heat-conducting plate is disposed between the photovoltaic panel and the fiber layer; the energy storage and monitoring system is electrically connected to the droplet power generation array and the photovoltaic panel respectively, and is also electrically connected to an external energy storage device or load. This invention alleviates the technical problems of low energy conversion efficiency and poor all-weather stability existing in the prior art.

The utility model discloses a track battery system relates to battery technical field, including at least one group battery module, the battery module includes encapsulation shell, battery body and mobile unit, the battery body is installed in the encapsulation shell, and the mobile unit is installed on the encapsulation shell, the mobile unit is used for with the inside cooperation of track, and drives the encapsulation shell reciprocating movement along the length direction of track, and the electric connection between adjacent battery module. The utility model can realize along track movement, and the security is good.

The utility model relates to the technical field of lamp detection, and discloses a lamp performance detection turntable, which comprises a base and a connecting turntable mounted on the base, a plurality of lamp mounting components are arranged on the outer side of the connecting turntable, and each lamp mounting component is provided with a lamp body; through cooperation of the base, the connecting rotary disc, the multiple lamp mounting assemblies, the shading assembly and the detection assembly, the multiple lamp mounting assemblies synchronously rotate through rotation of the connecting rotary disc, lamps can be mounted in batches, rotation switching detection can be achieved, the test efficiency is remarkably improved, and through elastic contact of a guiding bending part and an attaching part, the test efficiency is improved. And moreover, the embedded structure of the mounting groove prevents the conductive sheet from shifting, and the light transmission effect of the lamp is detected by the brightness meter after the lamp is shaded by the light shield, so that the unqualified lamp can be conveniently detected, and the detection efficiency of the lamp is improved.

The application relates to the field of food technology, in particular to a plasma intelligent ignition control cabinet, which comprises at least one AC / DC rectifying module for converting alternating current into high-voltage direct current, the AC / DC rectifying module comprises an active power factor correction circuit and a resonant isolation type DC / DC conversion circuit connected in sequence, the active power factor correction circuit is used for performing power factor correction on input alternating current and generating intermediate direct current, and the resonant isolation type DC / DC conversion circuit is used for converting the intermediate direct current into stable high-voltage direct current; by adopting a two-stage high-frequency conversion architecture of 'active power factor correction + resonant isolation type DC / DC conversion', the traditional power frequency phase control rectification is replaced, and the output direct current ripple is fundamentally reduced. In particular, the application of the resonant conversion circuit realizes soft switching of a power switch tube, and greatly reduces switching noise and output ripple.

The invention relates to the technical field of motor homes, in particular to a current sharing control method and system. Comprising the following steps: acquiring PID values of total constant voltage output, total current output, first current output, first constant voltage input, second current output and second constant voltage input; the minimum value in the first path and the second path of related PID values is taken as the corresponding reference control quantity; the reference control quantity and the current-sharing compensation quantity are superposed to obtain a corresponding outer-loop control signal, the inductive current is tracked according to the outer-loop control signal to obtain a corresponding inner-loop control signal, the inner-loop control signal and the feed-forward quantity are superposed to obtain two paths of corresponding PWM driving signals, and control is performed based on the PWM driving signals; according to the scheme, a system safety boundary is constructed through a minimum value competition mechanism, and an adjustment mode of independent PID current sharing compensation, reference control quantity and feedforward quantity superposition is combined, so that the response time for generator voltage fluctuation and load abrupt change is shortened, and the current sharing precision and the system stability are effectively improved.

The invention provides a mobile oxyhydrogen electricity, heat and cold combined supply system and a capacity configuration method, and relates to the technical field of energy. A photovoltaic module is arranged at the top of the integrated device, and hydrogen storage equipment, oxygen storage equipment, heat storage equipment and cold storage equipment are arranged outside the integrated device; the integrated device comprises an electric energy conversion module, a liquid purification module, an electrolytic cell module, a hydrogen energy fuel cell module, a heat management module, a refrigeration module and a control module. According to the movable hydrogen-oxygen-electricity cold-heat co-production system with multi-energy co-supply, high integration, intensive resources, convenient deployment and intelligent cooperation and the capacity configuration method thereof, hydrogen-oxygen-electricity-heat-cold multi-energy co-supply can be achieved, and the adaptability, flexibility and economical efficiency of the system are remarkably improved. The important defects that an existing mobile energy supply system is single in energy supply form, low in module integration level, low in comprehensive energy utilization rate, short in continuous operation time and the like are well overcome, and the requirements for high efficiency, flexibility and economical efficiency of the mobile energy supply system under various complex scene dynamic working conditions are met.

The invention discloses a Panama power supply module and a battery cupboard, the Panama power supply module comprises a battery body, the battery body comprises a shell and an electric energy unit, and one end of the shell is provided with a power connection assembly; the control assembly can cut off / connect the electric connection between the power connection assembly and the electric energy unit, and at the beginning, the control assembly keeps the electric connection between the power connection assembly and the electric energy unit disconnected; and the energy storage assembly is arranged on the shell and provides trend force for controlling the assembly to communicate with the power connection assembly and the electric energy unit. In the plugging process of the battery body and the battery cabinet, the control assembly plays a key protection role. In the initial stage of plugging, the electrical connection between the power connection assembly and the electric energy unit is actively cut off, so that the resistance instability of a plugging port caused by plugging vibration is effectively avoided; after plugging is completed and a stable installation state is achieved, the energy storage assembly and the linkage assembly are used for precisely driving the control assembly to connect the circuit, smooth transmission of electric energy is ensured, stable electrification is achieved, and the electrical connection stability in the plugging process is greatly improved.

The application belongs to the technical field of micro-grid, and particularly relates to an AC / DC micro-grid system based on multi-power supply power fusion. The innovative dynamic flexible system reconstruction technology is used to realize multi-voltage level, multi-power path, multi-power supply power fusion operation and multi-path power guarantee of power load, real-time dynamic adjustment and control are carried out on multiple independent and controlled interconnected multiple double-voltage level AC / DC micro-grids of multi-power supply power fusion, which provides effective guarantee of system architecture for effectively suppressing fluctuation of new energy power, completing planned and unplanned switching of multi-power supply and realizing seamless switching of multi-power supply, greatly improves stability and safety of system power supply, and effectively solves the problem that power grid, new energy distributed power, self-provided power plant, emergency power and the like need to be reasonably and effectively fused and operated and provide stable and reliable power for AC and DC loads of different voltage levels in a certain power consumption area.

The invention discloses a three-dimensional measurement device and method for hydrological parameters of multi-layer underground water of a drill hole. The device comprises an in-hole stabilizing assembly, an electric telescopic supporting assembly, a driving device, a speed control assembly, a hydrological data acquisition assembly, a guiding structure, a ground surface depth control traction assembly, a control storage assembly and an energy supply assembly. The electric telescopic supporting assembly is installed at one end of the in-hole stabilizing assembly and provides longitudinal movement driving force for the hydrological data collecting assembly. The guide structure is used for guiding the longitudinal movement of the hydrological data acquisition assembly; the driving device provides driving force for the hydrological data acquisition assembly to rotate around the longitudinal direction through the speed control assembly; the hydrological data acquisition assembly acquires real-time hydrological information through azimuth and flow sensors; through the linkage of the electric telescopic supporting assembly, the driving device, the speed control assembly and the hydrological data acquisition assembly, the three-dimensional acquisition of the hydrological data of the borehole underground water is realized. According to the invention, long-time stable observation of rock stratum underground water with different drilling depths can be realized, and an important decision basis can be provided for foundation pit excavation, slope stability evaluation and reservoir engineering seepage prevention and leakage stoppage.

The utility model discloses a rotating speed and generating frequency non-coupling generator, which relates to the technical field of generators and comprises a motor spindle, a generator rotor, a generator stator and a full-power converter. According to the utility model, no coupling of the rotating speed and the generating frequency of the shaft generator is realized through the full-power converter, so that the generating frequency of the generator is not influenced by fluctuation of the rotating speed of a ship main shaft, stable and high-quality electric energy can be provided for a ship power grid, and the stability and reliability of a ship power system are effectively improved; the requirements of various electric equipment on the ship on stable electric power are met; the shaft generator provided by the utility model is compact in overall structure, convenient to install, and capable of effectively utilizing the space of a ship and reducing the occupied space of ship equipment; due to the efficient and stable power generation performance and the perfect protection control function, the operation cost and the maintenance cost of a ship power system are reduced, and the economical efficiency and the safety of ship operation are improved.

The invention relates to the field of generators, and discloses an underwater operation friction nanometer generator which comprises a mounting box, the bottom of the mounting box is fixedly connected with a mounting plate, the interior of the mounting box is slidably connected with a toothed plate, and the top of the toothed plate is fixedly connected with a floating ball. And toothed bars are fixedly connected to the two sides of the inner wall of the mounting box through bearing seats correspondingly, the toothed bars are meshed with the toothed plate, bevel gears are fixedly connected to the front ends and the rear ends of the toothed bars correspondingly, bevel toothed bars are fixedly connected to the front side and the rear side of an inner cavity of the mounting box through bearings correspondingly, and the bevel toothed bars are meshed with the bevel gears. In the power generation device, the floating ball drives the toothed bar to rotate through buoyancy and gravity of the toothed plate, then the toothed bar and the bevel gear drive the sliding rod to move through the bevel toothed bar and the annular chute, and finally the sliding rod and the cylinder drive the first power generation plate to continuously generate power at the top of the second power generation plate through the support, so that the advantage of continuous power generation is achieved; and wave energy can be fully converted into electric energy.

The utility model relates to the technical field of sensor brackets, and discloses a multifunctional mounting bracket for a wireless sensor of a comprehensive logging instrument, which is characterized in that a mounting bracket base is fixedly welded on the upper end surface of a damping component, and the damping components are symmetrically fixedly welded on the two sides of the mounting bracket base; a lower bottom plate is fixedly welded to the upper end face of the damping assembly, a main vertical support is fixedly welded to the upper end face of the lower bottom plate, sliding side frames are symmetrically fixedly welded to the two sides of the main vertical support, and sliding grooves are slidably formed in the sliding side frames. The accuracy is enhanced; in addition, the base provides vibration isolation, isolates an external vibration source, and prevents the sensor from being interfered. And the service life of the sensor is prolonged, the mechanical stress is reduced, and the sensor is more durable in a high-vibration environment.

The utility model relates to a zero carbon heat supply system based on green electricity and power grid cooperation belongs to the field of energy -conserving and environment -protecting technology, sewage heat exchanger provides heat source for electric compression type heat pump evaporation side, electric compression type heat pump condensing side is provided with the medium outlet pipeline and the medium inlet pipeline of heating to be waited for, electric compression type heat pump compressor and green electricity system electricity is connected. Through the collaborative design of the heat storage unit and the liquid return storage unit, the day and night heat supply load is effectively balanced. During the daytime working condition, the heat storage unit stores the excess heat generated by the heat pump, and the heat storage is controlled through the first valve and the night heat supply circulating pump. When the green electricity supply is insufficient at night, the heat storage unit releases heat, and the liquid return storage unit collects low-temperature liquid return to maintain medium circulation. At the same time, the inverter is connected to the power grid to realize "off-grid / grid-connected" dual mode, and the power storage unit ensures power stability.

This invention provides an array-type tower gravity energy storage device, comprising: an energy storage working unit, including several energy storage towers and gravity energy storage devices. All energy storage towers are arranged in an array and are all steel structure towers, connected as a whole by tensioning steel cables. The gravity energy storage device includes a generator motor, a suspension mechanism, and a weight connected in sequence. The generator motor is connected to the power cable of a wind power or photovoltaic power generation system via a power cable, and the suspension mechanism changes the height of the weight to achieve energy storage and release. A control system is used to activate or deactivate a corresponding number of gravity energy storage devices according to the energy storage or release capacity requirements of the overall control system of the wind power or photovoltaic power generation system, and to control and monitor the equipment status within the energy storage working unit. This invention can significantly reduce the amount of structure and materials used to prevent bending deformation, thereby reducing the construction cost of the gravity energy storage device. It has wide applicability, high energy density, and high integration.

The invention discloses an energy storage counter for outdoor sales and a using method thereof, and belongs to the field of outdoor energy storage counters. The counter comprises a counter body, a cabinet door is arranged on the front face of the counter body, a partition plate, an energy storage battery and a sliding storage box are arranged in the counter body, a storage bin is clamped to the inner wall of the cabinet door, self-locking universal wheels are installed at the bottom end, an energy storage assembly is arranged on the top, and a condensing device is arranged on one side. The energy storage assembly can flexibly adjust the light receiving angle of a flexible solar panel through cooperation of a telescopic pump and a rotating ball, and the condensation device refrigerates the backrest and the rotating seat through a condenser and a condensation pipe. The using method comprises the steps that the counter is moved and locked, the energy storage assembly is debugged to the optimal light receiving angle, electricity is stored through the flexible solar panel to supply power to equipment, the condensing device is started as needed to use the rest area, and articles are taken from the storage structure. According to the invention, energy self-sufficiency is realized, dependence on a traditional power grid is greatly reduced, movement is flexible, operation is convenient and fast, a rest area is humanized, outdoor sales cost is reduced, operation efficiency is improved, and the system is suitable for various outdoor sales scenes which are remote or unstable in power supply.

The invention discloses a small-size photovoltaic cell specific arrangement scheme based on a transparent flexible substrate material, and relates to the technical field of photovoltaic application. The transparent flexible substrate comprises a transparent flexible substrate body and a plurality of small-size photovoltaic cells, wherein all the photovoltaic cells are arranged on the surface of one side of the transparent flexible substrate body at intervals; and the connecting assembly comprises a copper core wire with an insulating layer and a welding spot. The transparent flexible substrate is combined with a small-size photovoltaic cell, and can be flexibly attached to a high-curvature curved surface and an irregular structural surface; the small-size battery pieces are arranged at intervals, a light-transmitting area of the substrate is reserved, the lighting requirement of scenes such as a glass curtain wall is met, and it is guaranteed that the outdoor observation view of people within 2 meters is not blocked; the small-size battery piece has a power generation function and a decoration effect, and is suitable for power supply of building outer wall decoration lamps, power supply of road landscape street lamps and other scenes; a power generation loop formed by connecting wires in series can adjust output voltage according to engineering requirements, and power transmission loss is reduced.

The utility model relates to direct drinking machine technical field, and disclose a direct drinking machine with tea making function, including direct drinking machine body, the direct drinking machine body top sliding connection has the protective cover, the direct drinking machine body inside is provided with filter mechanism, the direct drinking machine body right -hand member inside is provided with heating mechanism, the filter mechanism includes the protection seat, the protection seat fixedly connected in the direct drinking machine body bottom, the protection seat inner bottom fixedly connected with support frame, when using, through the filter mechanism that sets up, after the water source is introduced through the water inlet pipe, with the cooperation of the component such as delivery pipe, flow divider, flow divider and filter core accurate docking, through the collaborative control of water pump and water inlet solenoid valve, can stable delivery raw water to filter core and filter, the replaceable design of filter core, the user is convenient according to use situation and replaces in time, guarantee the filtering effect, let the user can obtain clean, healthy drinking water, lay good water quality foundation for tea making.

The invention provides a power generation and energy storage integrated power supply method. The power supply method comprises the following steps: S1, supplying power to a load through commercial power and rural photovoltaic; s2, when the commercial power is cut off, a generator set is connected, and power is supplied to a load through the generator set and rural photovoltaic; s3, when the generator set supplies power to the load, detecting the unbalance degree of the three-phase current of the generator set; and S4, according to the unbalance degree of the three-phase current, the energy storage device is connected to adjust the three-phase current of the generator set. By arranging the generator set, power can be quickly supplied during maintenance and first-aid repair of the urban residential district, and the safety and stability of power supply are ensured. Through the balanced three-phase current of the energy storage device, the additional loss of the generator set, the power transmission line and the transformer is rapidly reduced, the power supply quality and the economic operation of the low-voltage power distribution network are improved, and during closing, the generation of electric arcs can be avoided and the power supply safety is enhanced through the balanced three-phase current.