39results about How to "Reduce the number of discharges" patented technology

The invention discloses an electric vehicle charging and discharging and motor driving integrated device. The device comprises a three-phase bridge type two-way DC/AC converter, an isolated three-portDC/DC converter, a main controller, an integrated device operating mode switching device, a single-phase alternating-current power source input interface device and a single-phase alternating-currentoutput interface. A three-phase inverter for driving a motor in an electric vehicle driving system is subjected to topological reconstruction to form a single-phase rectifier in charging or a single-phase inverter in outward power supplying, so that an integral hardware circuit structure is formed. The three-phase bridge type two-way DC/AC converter, the isolated three-port DC/DC converter, a relay switch and corresponding driving modules are subjected to control switching according to an integral control method in the main controller, so that seamless switching of charging-discharging and driving modes is realized, and braking energy recovery, V2V/V2L and vehicular low-voltage storage battery charging functions are realized. The integrated device has advantages of optimized size, weightreduction, cost saving and reliability improvement.

The invention discloses a method for recycling multi-thread cutting machine mortar, which is high in utilization rate of mortar. The method is characterized by comprising the steps of collecting the mortar obtained by cutting and filtering and separating the mortar for several times section by section; and during use, a mass flow meter supplies the mortar according to the flow requirement of each mortar supply pipeline. A device for implementing the method comprises a liquid receiving groove (10) which is used for collecting the mortar obtained by cutting and a mortar barrel (1); the liquid receiving groove (10) is provided with a coarse mesh filter (9); the device is characterized in that: the liquid receiving groove (10) is connected with the mortar barrel (1) through a mortar return pipeline (11), the coarse mesh filter (9) and a fine mesh filter (12); a stirring device (14) is arranged in the mortar barrel (1); and the mortar supply pipelines (3) are connected with the mortar barrel (1) through the mass flow meter (7), a heat exchanger (6), a bag filter (4), and a mortar pump (2). The times of recycling the mortar can be increased by 3 to 4 times, the discharge of wasted mortar is reduced, pollution is reduced and cost is saved.

The invention relates to the field of medical appliances and particularly relates to a pulsed balloon and a use method. The pulsed balloon comprises a catheter main body, wherein a guide wire chamberis arranged in the catheter main body, a sealed tip is arranged at one end of the catheter main body, a first balloon is arranged at the sealed tip around the catheter main body, and an annular passage is formed on the first balloon around the catheter main body; and the first balloon is of a multilayer laminated structure and at least comprises first outer insulating layer, a first conducting layer and a first inner insulating layer sequentially from top to bottom. According to the pulsed balloon, a wave source between an anode and a cathode can be fully close to a treated calcification position, so as to achieve the aim of strengthening an impact wave effect; and along with strengthening of the impact wave effect, a relatively low voltage (less than or equal 1,000V) can be further selected or the number of times of discharging can be further reduced, so that the safety of surgical operation is guaranteed, meanwhile, the surgical operation time is shortened, and the time of short-timeischemia of a patient caused by balloon inflation is shortened.

The invention discloses an energy scheduling method by which new energy can be efficiently used and a heterogeneous node device for assisting in realizing the method. A load is scheduled under a condition of a low load according to a characteristic that the load on a server is not uniform within 24 hours a day; a requirement for energy consumption within the low-load time period is reduced, so that the demand for the energy consumption of the whole system within the day is reduced. The load scheduling relates to a load distribution strategy between heterogeneous nodes; furthermore, finite new energy collected by ways of wind energy, solar energy and the like can be used in the most efficient manner. Two utilization points of the new energy are provided; firstly, in a high-load time period, a demand for conventional electric energy when the highest load reaches a peak value is reduced, and a peak clipping effect is achieved; secondly, the solar energy is used as much as possible within the time period of high electric charge in a day, namely the use value of the solar energy is increased according to peak-valley time-of-use tariff, so that the energy consumption and the electric charge of the server are reduced for a service provider.

The invention provides a spunlace nonwoven sewage treatment additive which comprises five components including 22 materials, wherein the component I comprises sodium sulfate, TX-10, sulfonate, ammonium triacetate, peregal and water; the component II comprises sodium hydroxide, sodium phosphate, sodium citrate, tartaric acid and water; the component III comprises polyacrylic acid, isopropyl alcohol, benzotriazole, zinc sulfate, sodium polyacrylate and water; the component IV comprises aluminum sulfate, polyaluminum chloride, xanthan gum, carboxymethyl chitosan, acetic acid and water; the component V comprises dichloroisocyan, potassium ferrate, alum and water. By adopting the spunlace nonwoven sewage treatment additive provided by the invention, the needle plate blockage can be reduced in a nonwoven production process, the rust stain of the needle plate is prevented, the discharge times of the circulating water is reduced, and the unit production is obviously increased; moreover, little environmental pollution is caused, and the production technology is simple and feasible; the spunlace nonwoven sewage treatment additive is nontoxic and harmless to a human body and suitable for the spunlace nonwoven circulating water in different water qualities and different air temperature environments.

The invention discloses an intelligent power supply method for a multi-battery system. The intelligent power supply method disclosed by the invention at least comprises two batteries, namely a first battery and a second battery, and comprises the following steps: (1) detecting SOC of the first battery and the second battery, and detecting a generating state of a generating set; (2) according to the generating state of the generating set, estimating generated power of the generating set; (3) obtaining a difference value between the generated power and load-demanded power, and judging whether the batteries need to be put in according to the difference value; and (4) according to cost of the batteries put in, determining magnitudes of power respectively output by the first battery and the second battery. The intelligent power supply method disclosed by the invention can adjust optimized output of the multi-battery system according to a power supply ratio of a distributed power supply, sothat single output power of each battery is reduced, and optimization of number of use of multiple batteries is realized.

The invention relates to a mortar cyclic utilization device of a multi-wire cutting machine. The mortar cyclic utilization device comprises a mortar barrel and is characterized in that the mortar barrel is connected with a sand supply pipeline; a sand pump, a bag-type filter, a heat exchanger, a mass flow meter and a temperature sensor are sequentially arranged on the sand supply pipeline; the sand supply pipeline is connected with a sand blast pipeline; a liquid receiving groove is arranged below a sand blast opening of the sand blast pipeline; an opening of the liquid receiving groove is provided with a first thick stainless steel filter screen; the bottom of the liquid receiving groove is connected with a sand return pipeline; the port of the sand return pipeline is connected with a sand return opening of the mortar barrel; and a second thick stainless steel filter screen and a thin stainless steel filter screen are sequentially arranged at the sand return opening. The mortar cyclic utilization device of the multi-wire cutting device has the beneficial effects that the mortar, cuttings and fragments are separated by adopting a batch fragmented filter separation method, so that the cycle time of the mortar can be improved by three to four times, the waste of the mortar is reduced, the cost is saved, and the purity of granular size of sand required in the mortar is improved.

The invention designs a bypass type battery equalization device and a control method. The device comprises a battery pack formed by connecting a plurality of single batteries in series, a constant current module, a charging control module, a bypass module, a sampling module, a control module and a discharging control unit. Compared with the prior art, the balanced energy comes from the external charging power supply, the discharging process of the single battery with high energy is avoided, the discharging frequency of the single battery is reduced, and the service life of the battery is prolonged; in the process of charging the single batteries with relatively low energy, the constant current module and the bypass module are coordinated and matched, so that the fully charged single batteries are protected, the overcharge phenomenon of the batteries is avoided, and meanwhile, all the single batteries can be fully charged, so that the effective capacity of the battery pack is fully utilized; through bypass module current control, energy loss is reduced; and an equalization circuit does not need to specially carry out digital control on each battery monomer, so that the workload of a CPU in the BMS is reduced.

The invention relates to a discharge unit, a welding device with the discharge unit and a welding method. The discharge unit comprises a body, a nozzle and a heating device. The heating device comprises a positive electrode and a negative electrode. The discharge end of the positive electrode and the discharge end of the negative electrode are located in the nozzle. By the adoption of a material discharge heating manner, materials are heated and melted in the nozzle, the region outside the nozzle cannot be affected, therefore, damage of the welding device to component pins is avoided in the welding process, and the quality of components in the welding process is guaranteed. By the adoption of the material discharge heating manner, the cost of the whole welding device is reduced, and the reliability is high and the failure rate is low in the welding process. By the adoption of the material discharge heating manner, the size of the whole welding device is reduced, and therefore the device can be applied to wider fields.

The embodiment of the invention relates to a natural gas power generation electric bus power system and equipment. The natural gas power generation electric bus power system comprises a natural gas fuel storage tank, a natural gas engine, a generator, a super capacitor energy storage device, a controller and a motor which are connected in sequence. The natural gas fuel storage tank is a vehicle-mounted LNG storage tank, and a fuel stored in the vehicle-mounted LNG storage tank is an LNG liquid. A vaporizer absorbs heat to form a natural gas; the cost of LNG is lower than that of gasoline and diesel oil; the natural gas engine is under the maximum stable working condition, and effective heat efficiency is high; the LNG natural gas engine provided by the invention is used for efficiently generating power so that the worry of endurance of the electric bus can be eliminated; in hot summer, according to the LNG liquefied natural gas power generation electric bus power system and equipment provided by the embodiment of the invention, a refrigeration requirement in the electric bus can be guaranteed without installing an air conditioner; and cost and an equipment space of air conditioning equipment can be saved, a large amount of electric energy consumed by the air conditioning equipment can be saved, and multiple purposes are achieved.

The invention provides a fuel cell system and an anode control method, an anode flow channel of a galvanic pile comprises a hydrogen gas path for supplying gas to the galvanic pile, and the hydrogen gas path comprises a gas path first end and a gas path second end; pipelines at the first end and the second end of the gas path are simultaneously connected with a first three-way valve and a second three-way valve; the first three-way valve is communicated with a hydrogen source used by the galvanic pile; and when the galvanic pile of the anode works, the first three-way valve and the second three-way valve enable the hydrogen input end of the hydrogen gas path to be switched between the first end of the gas path and the second end of the gas path by switching the opening and closing states of all valve ports. In the blind end mode, the flow direction of the anode hydrogen is periodically changed, so that the phenomenon that impurities are accumulated at the downstream of the anode is improved, the phenomenon of insufficient local hydrogen supply of the fuel cell is reduced, and the frequency of discharging after the impurities are removed is reduced, so that the hydrogen dischargingfrequency in the blind end mode can be effectively reduced, and the utilization rate of the hydrogen is increased.

The invention discloses a liquid output pump suitable for working in a low-temperature environment and a vehicle-mounted liquefied natural gas (LNG) bottle. The disclosed liquid output pump suitable for operating in the low-temperature environment comprises a hydraulic cylinder, a cylinder sleeve and a piston cylinder which are arranged in the axial direction of the liquid output pump; a power piston is arranged in the hydraulic cylinder; the power piston is connected with a piston rod; the piston rod passes through the cylinder sleeved to the piston cylinder, and the end part of the piston rod located in the piston cylinder is provided with a working piston; the piston cylinder is provided with a liquid inlet and a liquid outlet; the liquid inlet and the liquid outlet are each equipped with a valve; the outer diameter of the cylinder sleeve is smaller than that of the hydraulic cylinder and that of the piston cylinder; a mounting casing pipe is further arranged between the hydraulic cylinder and the piston cylinder, and the cylinder sleeve is located in the mounting casing pipe; a heat-insulating cavity is formed between the mounting casing pipe and the cylinder sleeve; and the liquid outlet is connected with a liquid output pipe. The disclosed vehicle-mounted LNG cylinder is a cylinder equipped with the liquid output pump of the invention. By means of the heat-insulating cavity, the liquid output pump of the invention makes air generate a temperature gradient large enough in the gas cylinder to realize heat insulation; and when the liquid output pump used for the gas cylinder, working control on the gas cylinder is more simple and convenient.

The invention relates to thin rod plate automatic separation equipment which comprises thin rod plates. Each thin rod plate is divided into multiple thin rods and a transverse plate, and the transverse plates are used for being connected with the ends of the multiple thin rods and used for feeding, positioning and separating the thin rod plates. The thin rod plate automatic separation equipment comprises an index plate conveying device which is used for conveying the thin rod plates among all devices. The thin rod plate automatic separation equipment further comprises (a) a clamping mechanismarranged on the index plate conveying device and used for clamping the thin rod plates and conveying the thin rod plates to all the devices, (b) a one-by-one feeding device used for conveying the batched thin rod plates to the clamping mechanism one by one, (c) a positioning device used for positioning the thin rod plates on the clamping mechanism and pushing the thin rod plates to required positions, (d) a separation device used for separating the thin rods on the clamping mechanism from the transverse plates and (d) a thin rod discharging device used for pushing the thin rods on the clampingmechanism out of the clamping mechanism. The thin rod plate automatic separation equipment capable of achieving automatic feeding is provided.

The invention relates to an automatic separation technology for thin rod plates. According to the technology, the thin rod plates are included; each thin rod plate is divided into a plurality of thinrods and a transverse plate, and the transverse plate is used for connecting the end parts of the plurality of thin rods; and an index plate conveying device for realizing conveying of the thin rod plates among devices. The technology comprises the following steps that a, a one-by-one feeding device conveys the batched thin rod plates to a clamping mechanism one by one; b, a clamping mechanism isarranged on the index plate conveying device and used for clamping the thin rod plates and conveying the thin rod plates to all the devices; c, a positioning device positions the thin rod plates on the clamping mechanism and pushes the thin rod plates to a required position; d, a separating device separates the thin rods from the transverse plates on the clamping mechanism; and e, a thin rod unloading device pushes the thin rods on the clamping mechanism out of the clamping mechanism. The invention provides the automatic separation technology for the thin rod plates.

The invention discloses a reactor large cover waste heat recycling device and method, and belongs to the technical field of energy conservation and environmental protection. The problems that in the prior art, a waste heat recovery device in the titanium sponge preparation process is low in heat exchange efficiency, high in investment cost and low in heat utilization efficiency are solved. According to the technical scheme, the reactor large cover waste heat recycling device comprises a reactor large cover and a preheating coil, wherein the preheating coil is located on the inner side of the reactor large cover and in contact with the reactor large cover, a titanium tetrachloride inlet plug is arranged on the reactor large cover, a pipeline communicating with the reactor is arranged in thetitanium tetrachloride inlet plug, one end of the preheating coil is connected with the pipeline, and the other end of the preheating coil is provided with a titanium tetrachloride interface. According to the reactor large cover waste heat recycling device and method, reaction waste heat recycling is achieved, the temperature of a reaction area can also be reduced, heat exchange with other mediais not needed, pipelines do not need to be laid, the heat exchange efficiency and the heat utilization efficiency can be improved, the investment cost is reduced, and the reactor large cover waste heat recycling device and method are suitable for recycling the reaction waste heat in the titanium sponge preparation process.

The invention relates to a display device, a driving method of the display device and an electronic apparatus including the display device. The display device includes a pixel including a driving. A display frame period consisting of a first period and a second period are provided, a duration of the second period is longer than the first period and set as a period obtained by subtracting the first period from the display frame period, a threshold correction for the driving transistor during the first period is performed, and a signal voltage is written in the pixel during the second period. Thus, power dissipation of correction operation of nonuniform display caused by characteristic changes of elements forming a pixel circuit can be reduced.

A disk-type power generation system includes a disk-type power generation device, a drive device, a power switching device, a charge control device, a power storage device, a discharge control device,and a power supply device. The power supply device can drive the drive device. The discharge control device can use the power stored in the power storage device to charge the power supply device. When the power switch device starts in the first power supply mode, the charge control device is driven to store all electric energy in the power storage device; when a second power supply mode is activated, the discharge control device is driven to stop operating, and distributed power of a wire disk unit is transmitted to the power supply device and the charge control device. With this design, thenumber of discharges of the power storage device can be reduced, and the service life of the power storage device can be prolonged.