437results about How to "Increase power" patented technology

The invention relates to the technical field of new material performance detection, in particular to a new material compression resistance and tensile property detection device which comprises a test counter, a driving mechanism arranged in the test counter, an auxiliary mechanism arranged on the upper side of the test counter, a clamping mechanism arranged on the side face of the auxiliary mechanism, and a driving mechanism comprising a motor. Connecting shafts are arranged on the side faces of the motors. By arranging the driving mechanism, the auxiliary mechanism and the clamping mechanism, stable clamping of different materials can be completed, stable compression resistance and tensile property detection can be conducted, during detection, multiple modes and states can be provided for use, multiple sets of detection can be conducted, the detection efficiency can be improved, large-specification materials can be assisted to be stabilized during detection, and the detection efficiency is improved. Inaccuracy of detection effect data is avoided, in addition, performance detection of side stress of materials can be carried out, so that accuracy of performance detection and performance testing of new materials under multiple conditions are guaranteed, and functionality and accuracy are improved.

According to the energy storage coupling heat pump steam generation method and system, the mode that the heat pump device and the energy storage device cooperatively operate is adopted, and efficient and economical steam supply is achieved. The method comprises the steps that high-temperature water is prepared and stored in the off-peak electricity period through the heat pump device, and the high-temperature water is further heated through the energy storage device to generate superheated steam for a user to use. The energy storage device comprises a plurality of energy storage modules, and a heat exchange pipeline of the energy storage device can be switched between a parallel connection mode and a series connection mode through switching, so that deep heat release and flexible regulation and control are achieved. According to the method, the energy storage capacity and heat release power of the energy storage module are dynamically adjusted, enthalpy increment distribution of the heat pump and the energy storage device is optimized in combination with load prediction, and diversified steam requirements are met. And meanwhile, preheating or dynamic supplement is conducted on the energy storage module through the heat pump device, waste heat recovery is achieved, and the energy efficiency is improved. According to the method, the operation cost is remarkably reduced, the capacity of the system for adapting to load fluctuation is enhanced, and the method is suitable for industrial steam use scenes and has the advantages of being efficient, stable and flexible.

The invention provides a high-power high-reliability voltage retainer used for an automobile starting and stopping system. The high-power high-reliability voltage retainer is higher in power and reliability and smaller in size and ripple. The high-power high-reliability voltage retainer comprises a through circuit module (1), a booster circuit module (2), a reversed polarity circuit module (3), a CAN transceiver (4), a CPU (5), a DSP (digital signal processor) (6) and a battery. A battery input port and a battery output port are formed in the through circuit module (1), a battery input port and a battery output port are formed in the booster circuit module (2), and the reversed polarity circuit module (3) is electrically connected with the booster circuit module (2); the CAN transceiver (4), the CPU (5) and the DSP (6) are sequentially and electrically connected; the CPU (5) is electrically connected with the through circuit module (1), and the DSP (6) is electrically connected with the through circuit module (1); the DSP (6) is electrically connected with the booster circuit module (2).

The invention provides a multifunctional digging and tamping machine integrating digging, shoveling, tamping and humidifying. The multifunctional digging and tamping machine comprises a small arm, a large arm and a digging machine body. According to the multifunctional digging and tamping machine integrating digging, shoveling, tamping and humidifying, the high-strength steel bucket is modified and customized, the bottom plate of the bucket is arranged to be a tamping plate, and the attached vibrator is additionally arranged, so that the digging and tamping functions are achieved, the bucket can be rotated by 360 degrees through the top end rotating device to form a bucket, construction at any angle such as front shoveling, side shoveling and inclined shoveling is conducted, and the construction efficiency is improved. A water tank, a water pipe and a spray head are additionally arranged, the water content of backfill soil can be adjusted in time to achieve the optimal tamping effect, well chamber periphery backfill and tamping construction can be conducted, the power of an attached vibrator is large, a hydraulic telescopic rod is convenient to operate, the tamping effect is good, a square tamping plate can conduct all-directional tamping by being attached to the edges and the corners, construction operation is mechanized, time and labor are saved, and the construction efficiency is improved. Construction of four working procedures can be completed at the same time only by one person, a large amount of manpower is saved, the construction quality is improved, and cost reduction and efficiency improvement are achieved.

The invention relates to the technical field of temperature early warning management, in particular to an electrolytic bath temperature central monitoring and early warning system. The system comprises an in-tank temperature frequency domain analysis module, an in-tank temperature and energy consumption influence analysis module, an in-tank electrolytic strength abnormity response adjustment module, an in-tank temperature over-low abnormity early warning adjustment module and an in-tank iterative execution influence analysis module. Temperature sensors are arranged at key positions in an electrolytic cell to monitor temperature signal distribution in the cell in real time and carry out frequency domain analysis, and meanwhile, corresponding current and voltage are obtained, electrolyte energy consumption analysis and time sequence influence analysis are carried out, and a time sequence correlation influence degree is obtained; and if the conditions are gradually increased and the temperature fluctuation is increased, designing and implementing an energy consumption abnormity response measure, if the conditions are gradually reduced and the temperature fluctuation is reduced, designing and implementing a temperature abnormity response measure, and if the conditions are judged to be other conditions, continuing to iteratively execute the time sequence influence analysis. The stability and quality of the electrolysis process can be guaranteed.

The invention discloses water-jet-guided laser cutting equipment and a water-jet-guided laser cutting system, and relates to the technical field of water-jet-guided lasers. The device comprises a dual-wavelength laser assembly, a reflection assembly, a liquid supply assembly and a coupling assembly. The dual-wavelength laser assembly can generate visible laser and invisible laser and coaxially output the visible laser and the invisible laser to the reflection assembly. The reflection assembly is used for refracting the visible laser and the invisible laser to the coupling assembly. The liquid supply assembly is used for supplying guiding liquid to the coupling assembly. The coupling assembly is provided with a nozzle and a coupling body which are connected with each other and used for coupling the guiding liquid, the visible laser and the invisible laser and outputting the laser through the nozzle. Visibly, the visible laser and the invisible laser with the power far greater than that of the visible laser are simultaneously utilized in the water-guided laser, so that the laser power is improved while the visibility of the liquid jet is ensured, the processing efficiency is further improved, and the cost is reduced.

The invention relates to a galvanic pile device, a control method and system of the galvanic pile device and related equipment of the galvanic pile device, and relates to the technical field of water electrolysis hydrogen production. The galvanic pile device comprises a plurality of clusters connected in parallel; wherein each cluster comprises a plurality of AEM electric piles which are connected in series; the AEM stack comprises a plurality of unit cells connected in series, and each unit cell comprises an electrode material, a catalyst layer and an anion exchange membrane. Based on the galvanic pile device, the efficiency of the galvanic pile device is remarkably improved, so that the galvanic pile device can meet the requirements of large-scale industry and energy markets, and the effects of reducing the cost of the galvanic pile device and expanding the application scene of the galvanic pile device are achieved.

The invention relates to the technical field of laser, in particular to an on-chip series edge-emitting semiconductor laser array and a process method. The on-chip series edge-emitting semiconductor laser array sequentially comprises a semi-insulating substrate, a non-doped buffer layer, a P-type heavily doped layer, a P-type tunnel junction layer, an N-type tunnel junction layer, an N-type cladding, an N-type waveguide layer, an active region, a P-type waveguide layer, a P-type cladding and a P-type cover layer from bottom to top. Table surfaces on the two sides of each light-emitting unit are deeply etched to the P-type heavily doped layer, and a lateral current diffusion suppression groove is formed between the bottoms of any two adjacent light-emitting units. An on-chip series edge-emitting semiconductor laser array structure is adopted, the parasitic effect is reduced through coplanar electrode design, upper and lower electrodes can be prepared through a single process to reduce the cost, lateral current diffusion suppression grooves are formed between light-emitting units to reduce crosstalk, the light-emitting units are connected in series to work under the same injection current, and the light-emitting efficiency is improved. The requirements of a driving circuit can be effectively reduced, and light-emitting uniformity is improved.

The invention provides a hydrogen energy power system suitable for a magnetic suspension railway vehicle. The hydrogen energy power system comprises a hydrogen storage system, a hydrogen fuel cell system, a heat dissipation and cooling system, an air filter, a connector and an electronic control unit (ECU). The hydrogen storage system comprises a hydrogen storage control unit (HSU), the hydrogen fuel cell system comprises a power control unit (PCU), and the ECU is used for collecting and processing state information of each system and sending out a control instruction; the ECU is connected with the PCU and the HSU, and the ECU serves as a main control unit and is responsible for receiving an instruction from a vehicle or a train operator and coordinating work of the PCU and the HSU according to the current running state of the vehicle; and the ECU sends a power demand instruction to the PCU and sends a hydrogen supply instruction to the HSU so as to ensure that the fuel cell can output corresponding power according to needs. The engineering construction cost of the track in the project is reduced, the project construction time is saved, funds are saved, and the method is environment-friendly.

The invention relates to the technical field of semiconductor devices, in particular to a semiconductor laser device, which comprises a substrate; the ridge waveguide array comprises a fundamental mode waveguide array and a coupling waveguide array, the fundamental mode waveguide array comprises N fundamental mode waveguides, the coupling waveguide array comprises a plurality of coupling waveguides, and at least one coupling waveguide is provided with an optical loss structure; an electrical isolation structure; the coupling waveguide array is located on one side of the fundamental mode waveguide array, and the number of the coupling waveguides is N-1; or, the two coupling waveguide arrays are located on the two opposite sides of the fundamental mode waveguide array respectively, and the number of the coupling waveguides in each coupling waveguide array is N-1; or, the two coupling waveguide arrays are located on the two opposite sides of the fundamental mode waveguide array respectively, and the total number of the coupling waveguides of the two coupling waveguide arrays is N-1. The semiconductor laser device is at least beneficial to realizing high-power output of the fundamental mode of the semiconductor laser device.

The invention discloses a variable exhaust port device of a two-stroke engine, and aims to overcome the defects that in the prior art, although an exhaust hole with a variable opening size is formed in the two-stroke engine, the exhaust efficiency of waste gas is still limited and needs to be further improved when the engine runs at a high speed. According to the technical scheme, a main exhaust hole and an auxiliary exhaust hole are formed in the inner side wall of an air cylinder body, a main exhaust valve for controlling the opening size of the main exhaust hole is arranged in the main exhaust hole, and an auxiliary exhaust valve for controlling the opening size of the main exhaust hole is arranged in the auxiliary exhaust hole; the main control assembly controls the opening size of the main exhaust valve; the auxiliary assembly is connected with the main control assembly and controls the opening size of the auxiliary exhaust hole; wherein the auxiliary exhaust valve is in a normally closed state, and the main control assembly drives the auxiliary assembly and controls the auxiliary exhaust valve to open the auxiliary exhaust hole.

The invention provides a method for preparing an aluminum-titanium target by combining roll bonding and warm pressing of a waste aluminum-titanium target, and belongs to the technical field of powder metallurgy. The preparation method comprises the steps that the waste aluminum-titanium target is pretreated to obtain aluminum-titanium target semi-finished products, N pieces of aluminum-titanium target semi-finished products are taken, slurry containing aluminum powder is sprayed to the surfaces of the N pieces or N-1 pieces of aluminum-titanium target semi-finished products, and after spraying is completed, the aluminum-titanium target semi-finished products are obtained; and laminating the N aluminum-titanium target semi-finished products to obtain a composite plate, carrying out ply rolling on the composite plate to obtain a composite target material, and carrying out warm pressing on the composite target material to obtain the aluminum-titanium target material. According to the preparation method, the target materials can be fully diffused in the warm pressing process, the influence of the surface flatness on diffusion is reduced through the pre-pack rolling treatment, the aluminum powder serves as a soft middle layer, the good buffering and joint filling effects are achieved, diffusion is promoted, and the target material welding rate is gt in an optimal scheme; 95%. According to the preparation method, the utilization rate of the target material is increased, the production cost of the target material is reduced, and recycling of the target material is achieved.

The utility model discloses a single battery, a battery and a power utilization device, the single battery comprises a shell, an electrode assembly and an end cover, the shell is provided with a containing cavity and a mounting port communicated with the containing cavity, the electrode assembly is arranged in the containing cavity, the end cover is assembled at the mounting port along a first direction, the end cover is connected with the shell in a second direction, and the end cover is arranged in the containing cavity. A containing part is arranged in the connecting area of the end cover and the shell and suitable for containing welding flux, and an included angle is formed between the first direction and the second direction. According to the battery monomer disclosed by the embodiment of the invention, the accommodating part is arranged, and the accommodating part is suitable for accommodating the welding flux for welding, so that the expected weld penetration depth and weld width can be achieved, the welding strength is improved, high-power welding equipment does not need to be adopted or the power of the welding equipment does not need to be increased, and the welding cost can be reduced; the thermal stress and the welding stress in the welding process are improved, the deformation of the battery monomer is reduced, and the durability and the reliability of the battery monomer are improved.

The invention discloses a solid laser with a heat effect reducing structure, and relates to the technical field of lasers, the solid laser comprises a laser gain medium, a pump light source and a heat management module, the laser gain medium is arranged in a laser resonant cavity formed by at least one reflector, the pump light source is used for exciting the laser gain medium, and the heat management module is used for controlling the heat effect reducing structure. The heat management module comprises a heat conduction substrate, a plurality of micro-channel cooling structures arranged in parallel along the interior of the heat conduction substrate, a heat diffusion layer and a heat interface material. By installing the rectangular micro-channel cooling structure, local heat generated by the laser gain medium is efficiently absorbed and conducted, uniform cooling is achieved, local overheating, hot plate and thermal lens effects are effectively prevented, optical distortion and device deformation caused by thermal gradient on the surface are avoided, the overall thermal management efficiency is improved, and the service life of the laser is prolonged. The laser is ensured to work stably under a high-power operation condition, the service life of the device is prolonged, and the output beam quality is improved.

The invention discloses a vertical 4H-SiC photoconductive switch, which comprises a SiC substrate, a front electrode, a passivation layer and a back electrode, and is characterized in that the front electrode is located on the upper surface of the SiC substrate, and the passivation layer is located on the upper surface of the SiC substrate and is arranged at the edge of the front electrode; the back electrode is located on the lower surface of the SiC substrate; wherein the front electrode comprises an annular electrode and a mesh electrode, and the mesh electrode is arranged in the inner circle of the annular electrode and connected with the annular electrode; a plurality of concentric terminal protection rings are also arranged in the SiC substrate below the outer side of the front electrode, and the circle centers of the longitudinal projections of the plurality of terminal protection rings coincide with the circle centers of the longitudinal projections of the annular electrodes. According to the structural design, the electric field concentration effect near the electrode caused by non-uniform distribution of the electric field on the surface of the photoconductive switch is relieved, premature breakdown of the device is avoided, and the voltage endurance capability of the photoconductive switch is doubled; and meanwhile, the uniformity of current distribution in the photoconductive switch is improved.

The utility model provides a stator assembly and a motor, and relates to the technical field of high-voltage motors. The stator assembly comprises a stator core and a winding wire; the stator core is provided with a plurality of stator slots, the stator slots are arranged on the outer side wall and the inner side wall of the stator core in pairs and are distributed along the circumferential direction of the stator core, a plurality of turns of winding wires are arranged in each stator slot in a penetrating manner, and each turn of winding wire is coated with a turn-to-turn insulating layer. In the stator assembly, a plurality of turns of winding wires are arranged in each stator slot in a penetrating manner to form a back winding type scattered wire winding. And meanwhile, each turn of winding wire is coated with the turn-to-turn insulating layer, so that high voltage can be withstood, and the insulation requirement of the high-voltage motor can be met. In the winding process, the winding wire has better flexibility and is easier to bend, so that the sizes of the windings at the two ends of the stator iron core are smaller than those of the formed windings, the occupied space is reduced, the length of the high-voltage motor can be shortened, and the high-voltage motor can achieve higher power and rotating speed.

The invention discloses a power distribution method, a charging and discharging system, a charging and discharging control unit and a medium, is applied to the technical field of electric vehicles, and is used for solving the problem that the power satisfaction rate and the power module utilization rate in a power matching method are relatively low. The method specifically comprises the steps that according to the rated charging and discharging power and the rated output voltage range of each power module group, a target power module group and power modules in the target power module group are distributed to a vehicle to be charged and discharged; and in the charging and discharging process, the number of the power modules distributed in the target power module group is adjusted based on the real-time required power, or a newly distributed target power module group is distributed to the vehicle to be charged and discharged based on the real-time required power. The power modules in different rated output voltage ranges are mixed and matched for use, the number of the distributed power modules is adjusted or the newly distributed power module group is distributed according to the real-time required power, accurate power supply is ensured, and the power satisfaction rate and the power module utilization rate are improved.

The utility model relates to a multi-nut one-time welding machine which is provided with a machine frame, a welding power source is arranged in the machine frame, a lower electrode base is arranged on the lower portion of the machine frame, and an upper electrode base is arranged on the upper portion of the machine frame. The lower electrode holder is provided with a lower conductor which is connected and conducted with an electrode of a welding power supply; a plurality of conductive supporting tables are arranged at the top of the lower conductor; a plurality of sets of mutually independent upper electrode assemblies are arranged on the upper electrode seat and the mounting bracket; the upper electrode assembly is provided with a vertically downward conductive voltage column; the upper portion of the conductive pressing column is connected with an upper electric conductor, and a pressing driving element is installed above the upper electric conductor. The upper conductor is connected with a conductive contact, and a conductive driving element is mounted at the top of the conductive contact; and a conductive plate is arranged below the conductive contact. According to the utility model, the plurality of nuts are simultaneously fixed on the sheet metal part by utilizing the conductive pressing columns, then the conductive driving elements act in sequence, and the conductive pressing columns above the plurality of nuts are electrified in sequence by utilizing one welding power supply, so that the welding is realized.

The invention discloses a light reinforced perovskite solar cell module and a production process thereof, and relates to the technical field of solar cells, and the light reinforced perovskite solar cell module structurally comprises a high-transmittance epoxy resin adhesive protection layer, a substrate, a perovskite cell layer, an adhesive film layer and a back plate which are sequentially stacked. The peripheries of the substrate, the perovskite cell layer, the adhesive film layer and the backboard are sealed. According to the perovskite solar cell module, the epoxy resin adhesive protection layer is arranged on the light incident surface of the perovskite solar cell module, so that the inner-layer substrate can be effectively protected, heat transfer can be effectively blocked by utilizing the heat insulation characteristic of the epoxy resin adhesive protection layer, and the purposes of reducing the overall temperature of the module and relieving the thermal decomposition of perovskite are achieved; therefore, the service life of the perovskite solar cell module is prolonged.

The invention discloses an active and passive mode locking combined femtosecond disc laser, and belongs to the field of disc laser. The femtosecond disc laser comprises a pumping source, a pumping cavity, a disc laser crystal and a resonant cavity, pumping laser emitted by the pumping source is reflected for multiple times in the pumping cavity and passes through the disc laser crystal for multiple times to generate oscillation laser; the resonant cavity comprises a first branch and a second branch, the first branch comprises a dispersion mirror group, a hard diaphragm and an output mirror which are sequentially arranged along a light path, and the second branch comprises a first concave mirror, a second concave mirror, a first high-reflection mirror, a third concave mirror, an acousto-optic modulator and a second high-reflection mirror which are sequentially arranged along the light path; the acousto-optic modulator is located at the focal point of the third concave mirror, and modulates periodic loss and starts passive mode locking in the active mode locking process; oscillation laser generates a femtosecond laser pulse sequence after passing through the acousto-optic modulator, the femtosecond laser pulse sequence is reflected to return to the disc laser crystal along the original path and enters the first branch, and the femtosecond laser pulse sequence is output through the output mirror.

The invention provides a lithium ion battery. The lithium ion battery comprises a positive plate, a diaphragm, a negative plate and electrolyte, the positive plate comprises a positive active material, and the chemical formula of the positive active material is LiNi < x > Co < y > Mn < 1-x-y > O < 2 >, xlt; 0.6, 0.1 lt; yt; Yt; 0.3, and x + y < lt >; 1; the electrolyte comprises a lithium salt, a non-aqueous organic solvent and an additive, wherein the additive comprises an organophosphate compound and a hindered phenol antioxidant; the organophosphate compound accounts for w1% of the mass of the electrolyte, and the hindered phenol antioxidant accounts for w2% of the mass of the electrolyte; the non-aqueous organic solvent accounts for w < 3 >% of the mass of the electrolyte; wherein w1, w2 and w3 meet the relation that (W1 + W2) / W3 is larger than 0 and smaller than 0.1. Compared with the prior art, by optimizing the electrode material and the electrolyte formula, the power output capacity of the battery is improved, the safety of the battery during high-power output is ensured, and overheating and short circuit of the battery are prevented.

The utility model provides a rotor used for a permanent magnet synchronous motor. The rotor comprises a rotor frame and permanent magnets. The rotor frame is constructed to be a hollow cylinder, the rotor frame is provided with a plurality of interval grooves in the circumferential direction, and the rotor frame is divided into a plurality of rotor frame sub-parts by the interval grooves; the permanent magnets are arranged in the interval grooves; wherein the rotor frame is integrally cast through a pouring gate, the rotor frame sub-part is provided with a pouring gate stub bar corresponding to the pouring gate, the pouring gate stub bar is located on the end face of the rotor frame, and the pouring gate stub bar is closer to the outer circumference of the rotor frame than the inner circumference of the rotor frame. In addition, the utility model also relates to a permanent magnet synchronous motor comprising the rotor and a mold for casting the rotor.

A laser line generating assembly for projecting a low speckle laser line is provided. The laser line generation assembly includes a laser source, a beam splitter, and a sub-beam converter. The laser source generates a laser beam having temporal coherence. The beam splitter splits the laser beam into a plurality of incoherent sub-beams that propagate in the same propagation plane. The sub-beam converter generates a plurality of sheets of laser light, each sheet of laser light being associated with a respective one of the sub-beams. Each laser light sheet extends in a propagation plane. The laser light sheet intersects the projection plane to define at least partially overlapping laser line elements to form the low speckle laser line, the laser line elements having respective speckle patterns that are at least partially uncorrelated.

The invention relates to the technical field of photovoltaic materials, in particular to a light conversion agent, a packaging adhesive film and a photovoltaic module. The preparation method of the light conversion agent comprises the following steps: heating and dissolving compound powder as shown in a formula I in a first solvent, cooling and crystallizing, and collecting a solid; the first solvent is prepared from at least one of ethyl acetate, N-methyl-2-pyrrolidone and acetone. The fluorescence quantum efficiency of the light conversion agent provided by the invention at room temperature can reach up to 97.12%, and compared with the existing light conversion agent, the light conversion agent provided by the invention has the advantages of high fluorescence quantum efficiency, good ultraviolet resistance and the like. According to the photovoltaic module prepared by adopting the packaging adhesive film disclosed by the invention, the power of the module can be remarkably improved, and the power attenuation of the module after ultraviolet radiation can be reduced.

The utility model discloses a single-core bent connector, which is provided with a plug component and a socket component. The jack of the plug component is integrally formed by punching, is arranged in the plug shell and is provided with a contact part and a crimping part which are connected through a connecting part; the crimping part is sleeved with a tail cover, the tail nut is connected with the plug shell, and the wire sealing body is compressed in the tail nut at the rear end of the crimping part; an insulating cap of the socket component is fixed at one end of a pin; the contact pin is arranged in the socket shell and can be prevented from withdrawing; the connecting sleeve is arranged outside the socket shell in a limiting and sleeving mode and can rotate by 360 degrees. And the socket component is plugged with the contact part of the jack, and the contact part is plugged between the pin and the socket shell and is clamped and positioned with the plug shell through an excircle convex point outside the connecting sleeve. The single-core bent energy storage connector has the characteristics of high protection, high voltage resistance, high power and the like.

The invention relates to the technical field of lasers, and provides a double-gain-medium Q-switched laser and a constant-power pulse width adjusting method.The laser comprises a first pumping source, a second pumping source, an optical fiber beam combiner, a beam shaping system and a laser resonant cavity, the laser resonant cavity comprises a reflecting mirror, a first gain medium, a second gain medium, a polarization selector, a quarter-wave plate, a Q switch and an output mirror which are arranged in sequence; the first gain medium is used for absorbing first pumping light, the second gain medium is used for absorbing second pumping light, and the pumping power of the first pumping source and the pumping power of the second pumping source can be independently controlled. By changing the pumping power of the two pumping sources, real-time adjustment of the pulse width of the laser under the constant output power is achieved, the structure is compact, and control is easy and convenient.

The utility model discloses a positioning adhesive tape and a photovoltaic module, the positioning adhesive tape is used for fixing two adjacent groups of battery pieces, the positioning adhesive tape comprises two oppositely arranged positioning parts and a protruding part connecting the two positioning parts, each positioning part comprises a base material layer and a bonding layer laminated on the front surface of the base material layer, and the protruding part is connected with the two positioning parts. The front face of the protruding part comprises a plurality of light reflecting faces distributed towards the battery piece, and the light reflecting faces are configured to reflect all or part of incident light to the surface of the battery piece. According to the utility model, the structure of the positioning adhesive tape is optimally designed, so that displacement of the battery pieces can be prevented through the protruding parts, and the distance between the adjacent battery pieces is kept unchanged in the laminating process; meanwhile, incident light can be at least partially reflected to the front face of the cell through the reflective face, reflected light is increased, and the power of the front face of the cell is improved.

The invention discloses a control system for a new energy automobile charging pile, and the system comprises an intelligent charging control module which is used for monitoring a charging pile battery and is electrically connected with a plurality of monitoring sensors. The intelligent charging control module monitors the voltage, current and temperature of a charging pile battery in real time through multiple monitoring sensors. The intelligent charging control module is provided with a charging power adaptive adjusting system, and the intelligent charging control module is electrically connected with a remote monitoring and fault diagnosis module of an integrated Internet of Things (IoT) technology. The invention relates to the technical field of new energy charging piles, in particular to a control system for a new energy automobile charging pile, and the system can achieve the automatic management of the charging process of a new energy automobile through intelligent control, optimizes the charging power scheduling, guarantees the safety and high efficiency of battery charging, and improves the user experience.

The invention relates to a microwave source device in the technical field of high-power microwaves, in particular to an L-band compact relativistic Cerenkov microwave generating device, and belongs to the technical field of high-power microwaves. Comprising a cathode structure, an external electromagnetic structure and an internal electromagnetic structure, and the cathode structure comprises a cathode seat and a cathode; the external electromagnetic structure comprises an anode outer cylinder, an outer cut-off neck, outer conductor ripples, a collector, a collector baffle and a solenoid coil; the internal electromagnetic structure comprises an inner cut-off neck, an inner conductor ripple, a short circuit block and a microwave output port; the whole structure is rotationally symmetrical about a central axis; through reasonable design of an electromagnetic structure, a coaxial non-uniform double-ripple slow-wave structure is adopted to enhance beam-wave coupling, a high-efficiency beam-wave effect is realized in a relatively short period, and a coaxial collector structure is adopted to improve the resonance characteristic of the slow-wave structure to reduce the axial size, so that miniaturization and compactness of the device are realized.

The invention discloses a large-scale wind turbine generator power load cooperative fault-tolerant control method. The method comprises the following steps: establishing a unit load and rotating speed control model considering a variable pitch actuator fault; according to the load and rotating speed control model, a fault-tolerant independent variable-pitch controller composed of a centralized variable-pitch ring, an independent variable-pitch ring and a fault-tolerant compensation ring is constructed for the three-blade variable-pitch actuator; and the fault-tolerant independent variable pitch controller inputs variable pitch given instructions corresponding to the blades to the corresponding variable pitch actuators, and the variable pitch actuators implement fault-tolerant variable pitch with the variable pitch given instructions as reference, so that power and load cooperative control under the fault working condition is achieved. According to the method, the optimization effect and the application capability boundary of pneumatic unbalanced load suppression of the wind wheel of the unit can be improved under the combined action condition of multi-source disturbance and variable-pitch actuator faults, meanwhile, the high stability of power output is guaranteed, and high-performance power-load cooperative control is achieved.