1163results about How to "Improve collection effect" patented technology

The invention relates to the technical field of plastic mold drilling, in particular to plastic mold numerical control precision drilling equipment and a using method thereof.The plastic mold numerical control precision drilling equipment comprises a base, a fixed table is movably installed at the top of the base, a rack is fixedly connected to the top of the base, a movable table is installed on the rack, and a pushing plate is slidably connected to the bottom of the movable table; a collecting assembly and a drilling assembly are arranged on the pushing plate; according to the device, firstly, the area around a drilling point can be comprehensively shielded through the collecting assembly, the same contact surface can be autonomously formed according to the uneven surface of the plastic mold, and the waste intercepting effect is further enhanced; and the drilling assembly is matched, during drilling, instant smashing of filiform plastic waste is achieved, efficient collection and treatment of the waste are achieved, air is blown into the material blocking and collecting barrel, on one hand, negative-pressure material suction is assisted, the waste collecting effect is improved, and on the other hand, synchronous cleaning treatment is achieved when the drill bit rotates and ascends.

The utility model provides a back contact battery piece, a first pole region comprises a first bus grid line and a plurality of first grid line groups arranged at intervals along a first direction, and each first grid line group comprises a plurality of first fine grid lines arranged at intervals along a second direction and a first main grid line connected with the plurality of first fine grid lines; the second pole region comprises a plurality of second grid line groups which are arranged along the second bus grid line and along the first direction at intervals; each second grid line group comprises a plurality of second thin grid lines which are arranged along the second direction at intervals and a second main grid line which is connected with the second thin grid lines; the first main grid lines in at least two adjacent first grid line groups are connected through the first bus grid lines, and / or the second main grid lines in at least two adjacent second grid line groups are connected through the second bus grid lines. The current collection effect of a poor contact area can be improved, and the photoelectric conversion efficiency of the back contact battery piece is improved.

The invention discloses an underground water extraction and reinjection circular treatment device, and relates to the technical field of underground water treatment.The underground water extraction and reinjection circular treatment device comprises an equipment frame, a servo motor is fixedly installed above the equipment frame, and a transmission shaft is fixedly installed at the output end of the servo motor; a supporting plate is fixedly installed on the inner wall of the equipment frame, the end, away from the servo motor, of the transmission shaft rotationally penetrates through the upper wall and the lower wall of the supporting plate, a water outlet pipe fixedly penetrates through the surface of the equipment frame, and a water inlet pipe fixedly penetrates through the bottom of the equipment frame; the purification device comprises a separation frame, a fixing rod, a sleeve, a lifting frame, a purification frame, a filter plate and a fixing plate, the underground water extraction and reinjection circulation treatment device can effectively remove peculiar smell and colored pollution under the action of activated carbon, meanwhile, large-particle impurities are effectively removed, and the purification effect on underground water is improved.

The invention relates to the technical field of automatic feeding devices, and discloses an automatic feeding device for automobile brake disc surface nitriding treatment, the automatic feeding device comprises a surrounding plate, the left side of the surrounding plate is fixedly connected with a motor, the inner wall of the surrounding plate is rotatably connected with a transmission shaft, and the circumferential surface of the transmission shaft is in transmission connection with a conveying belt; the outer surface of the surrounding plate is fixedly connected with a workbench, the top of the workbench is provided with an electric push plate, the right side of the workbench is provided with a nitriding treatment machine, and the top of the surrounding plate is provided with an indirect discharging mechanism. The brake disc feeding device has the advantages that deviation during brake disc feeding is prevented, the feeding accuracy is improved, the working efficiency of equipment is enhanced, during transportation, a motor drives a first sliding plate to conduct indirect feeding, the risk of brake disc blockage is prevented, the service life of the equipment is prolonged, and follow-up machining is facilitated.

The invention relates to the technical field of glass insulator cleaning, in particular to double-function glass insulator cleaning equipment which comprises a mounting seat, two moving seats are slidably mounted at the bottom of the mounting seat, the distance between the two moving seats can be adjusted, and cleaning sponges are mounted on the opposite sides of the two moving seats. The cleaning device can effectively wipe and clean insulators of different dead angle positions and different specifications, dust and impurities on the surface of the cleaning sponge are scraped off through rotation of the scraping blade, and therefore the cleaning effect on the subsequent insulators is guaranteed; air can be exhausted through a plurality of second exhaust holes in the periphery of a scraper to guide dust and impurities into a collecting and filtering box, in the rising process of the scraper, the dust and the impurities can be further guided into the collecting and filtering box through dust suction holes in the periphery of cleaning sponge, and the collecting effect of the collecting and filtering box on the dust and the impurities is improved; and potential safety hazards to respiratory systems of electric workers are avoided.

The invention relates to the technical field of hydrogen cylinder tests, in particular to a vehicle-mounted hydrogen storage cylinder liner hydrogen aging test device which comprises a test bed and a protection assembly. The test bench is connected with a protection assembly. According to the device, chippings are limited through the first limiting part, the situation that the chippings are wrapped by hydrogen to flow into the second gas pump is avoided, meanwhile, the chippings are limited through the second limiting part, the situation that the chippings are wrapped by hydrogen to flow into the second gas pump can also be avoided, and the chipping collecting effect of the chipping collecting position is improved; hydrogen is guided to flow away from one side of an included angle between the guide plate and the second baffle through the guide surface, so that influence of hydrogen flow on collection of scraps is prevented, and the situation that the scraps are wrapped by hydrogen and flow into the second gas pump, blockage is caused, and the follow-up leaked hydrogen collection effect of equipment is affected is avoided.

The invention discloses a micro-plastic collection device for rural domestic sewage, and belongs to the field of micro-plastic collection, the micro-plastic collection device comprises a treatment tank, a guide plate is fixedly connected to the inner surface of the treatment tank, a feeding pipe is fixedly connected to the outer surface of the upper end of the treatment tank, and the lower end of the feeding pipe penetrates to the inner side of the treatment tank; a feeding assembly is arranged on the outer side of the feeding pipe and comprises a rotating sleeve rotationally connected with the outer surface of the feeding pipe, blades are fixedly connected to the outer surface of the rotating sleeve, and a fixing frame is fixedly connected to the inner surface of the rotating sleeve. By arranging the collecting assembly, micro-plastics in sewage can be effectively adsorbed and collected through a porous structure of nano magnetic powder, the nano magnetic powder can have a good adsorption effect on the micro-plastics in different shapes and sheet shapes, meanwhile, the micro-plastics in the sewage are effectively adsorbed and collected through cooperation of the nano magnetic powder and a magnetic roller, and the sewage treatment efficiency is improved. Therefore, the collection quality of the micro-plastics can be effectively improved.

The utility model belongs to the technical field of battery manufacturing, and discloses magnetic particle detecting and screening equipment for a battery electrode material. The battery electrode material magnetic particle detecting and screening equipment comprises a cylinder, an electromagnetic rod and a controller, a containing cavity of the cylinder is used for containing a to-be-screened material, and the center axis of the end wall of one axial end of the cylinder is connected with the output end of a driving mechanism so that the cylinder can rotate around the axis of the cylinder; the electromagnetic rod is axially inserted in the central axis of the end wall of the other axial end of the barrel in a sealed manner, and a heating assembly is arranged on the outer wall of the electromagnetic rod; the controller is connected to the electromagnetic rod and the heating assembly, and the controller can control the magnetic field intensity of the electromagnetic rod and the temperature of the heating assembly. The magnetic particle detection and screening equipment for the battery electrode material can improve the collection efficiency and collection effect of magnetic particles in the electrode material, reduces adsorption of the particles of the electrode material, and ensures that the subsequent magnetic particle detection result is more accurate.

The utility model relates to the technical field of laser cutting, and discloses a laser cutting device capable of collecting sweeps, which comprises a top plate, two sides of the bottom of the top plate are fixedly connected with support plates, the two support plates are fixedly connected with the same material collecting frame close to the top, one side of the top of the material collecting frame is provided with a drain outlet, and the top of the material collecting frame is fixedly connected with a scraping plate. A rectangular hole is formed in the middle of the scraping plate, a threaded connection plate is slidably connected into the rectangular hole, sliding rods are slidably arranged at the two ends of the threaded connection plate in a sleeved mode, round holes matched with the sliding rods are formed in the two ends of the threaded connection plate, the tops and the bottoms of the two sliding rods are fixedly connected to the top and the bottom of the rectangular hole, and a T-shaped groove is formed in the middle of the top of the threaded connection plate. The cutting device has the technical effects that sweeps and dust generated by cutting can be cleaned in time, so that the cutting process is smoother, the working efficiency is improved, the influence of the sweeps on the cutting head can be reduced, and the cutting precision and quality are improved.

The invention belongs to the technical field of biological environment monitoring, and particularly relates to a resource investigation monitoring device for aquatic organism environment DNA passive collection, the resource investigation monitoring device comprises a telescopic rod piece and a collection frame, the handheld end of the telescopic rod piece is provided with a timer body, and the collection frame is an independent split module. The resource investigation monitoring device for passively collecting the aquatic organism environment DNA has the effects of improving the biological environment DNA collecting efficiency and being suitable for more environments, in the using process, an operator does not need to make contact with the water environment in most cases, it is avoided that DNA on the operator is mistakenly collected, the device fixing point is located on the shore land, and the device fixing point is not prone to damage. Therefore, the river sediment environment does not need to be selected, and the device is suitable for various stable or unstable water sediment environments such as mud, gravel blocks and fine sand and can be placed in both gentle water areas and torrent water areas.

The invention discloses a reservoir side slope protection device, and relates to the technical field of side slope protection, the reservoir side slope protection device comprises a slope protection main body, the upper part of the slope protection main body is rotatably connected with a falling stone baffle plate, and damping mechanisms for damping falling stone impact are symmetrically arranged between the slope protection main body and the falling stone baffle plate, and each damping mechanism comprises a connecting column arranged at the upper part of the slope protection main body; the connecting column is rotatably connected with the slope protection main body, a fixing sleeve is fixedly connected to the connecting column, second connecting rods are rotatably connected to the two sides of the fixing sleeve, a first connecting plate is rotatably connected to the side, away from the fixing sleeve, of each second connecting rod, and a first connecting rod is rotatably connected to the side, away from the corresponding second connecting rod, of each first connecting plate; and when falling rocks fall on the falling rock baffles, the impact force of the falling rocks on the whole slope protection device can be reduced through the damping mechanisms symmetrically arranged between the falling rock baffles and the slope protection main body, the falling rocks are prevented from damaging the slope protection device, and the service life of the slope protection device is prolonged.

The invention relates to the field of sewage treatment, in particular to a multifunctional aeration device for sewage treatment, which comprises an aeration tank, an air pipe and the like, a storage cavity is formed in the aeration tank; a plurality of air pipes are arranged at the bottom of the aeration tank; and each air pipe is connected with an external air pumping device. The collecting barrel is completely immersed in sewage, the sewage flows into the collecting barrel, scum is driven to flow into the collecting barrel under the action of water flow, the scum can still be salvaged through the collecting barrel when the surface of the sewage overflows, and the situation that the scum is accumulated on the surface of the sewage for a long time to affect aeration work is avoided; large floating blocks accumulated on the surface of the sewage are separated through meshes in the pressing net, so that the floating blocks flow into the collecting barrel under the influence of water flow after being dispersed, and the collecting effect on the scum is improved; sewage in the transfer cavity is pressed by the separation blade, so that the sludge floats under the influence of water flow, the sludge is prevented from being accumulated and hardened for a long time, and subsequent cleaning of the sludge by workers is facilitated.

The invention discloses a source community sewage pollutant deposition-washing cooperative control method and system, and the method comprises the following steps: S1, discharging domestic sewage discharged by residents from an inspection well, and recognizing a pipeline operation mode according to a community resident drainage time period inputted by a remote control center; s2, performing different drainage control according to different time periods; s3, in the operation process of the system, monitoring and early warning the sediment height and methane gas in the sediment control pool 1 in real time; and an operator on duty of the remote control center timely and accurately performs mode switching treatment in the step S2 according to early warning signals transmitted by the ultrasonic mud level meter and the infrared gas detector, or adopts related operation and maintenance strategies for dredging treatment. According to the method and the system, the operation modes of the sediment control pool and the sewage pipeline in different drainage periods are set, so that the pollutant deposition of the pipeline of the source community is reduced and the collection efficiency of the domestic sewage pollutants is improved while the initial interception and precipitation function of the septic tank is exerted.

The utility model provides a back contact battery assembly and a photovoltaic power generation system. The back contact battery assembly comprises a front plate; the front adhesive film is arranged on the front plate; the battery string is arranged on the side, away from the front plate, of the front adhesive film and provided with a plurality of battery pieces connected in series, each battery piece comprises a first electrode area and a second electrode area which are located on the back face of the battery piece and are opposite, and the first electrode areas and the second electrode areas are provided with welding strips connected with the fine grids; the first insulating layer is located on the side, away from the battery piece, of the welding strip, an exposed area is formed on the first insulating layer, and the exposed area exposes the welding strip of the first electrode area or the welding strip of the second electrode area; the first bus bar is arranged on the side, away from the battery piece, of the first insulating layer, the first bus bar is insulated from one of the first electrode area and the second electrode area through the first insulating layer, and the first bus bar is electrically connected with the exposed welding strip corresponding to the exposed area. Thus, even if the first insulating layer is arranged, it can be guaranteed that the welding strip is connected with enough fine grids, current can be better collected, and the first bus bar can be hidden.

The invention relates to the technical field of network supervision, and discloses an extensible high-performance network boundary flow distribution system and method, and the method comprises the steps: a configuration agent module analyzes network configuration information, and transmits the network configuration information of a collection port and a forwarding port to a flow collection module and a flow filtering and forwarding module; the strategy agent module analyzes the network strategy information, and sends a filtering strategy and a forwarding strategy to the message identification module and the flow filtering and forwarding module; the flow acquisition module sets an acquisition port based on the network configuration information of the acquisition port, acquires a data message, and forwards the flow to the message identification module or the flow filtering and forwarding module based on the start and stop condition of the message identification module; the message identification module labels the traffic after filtering the traffic based on the filtering strategy; and the traffic filtering and forwarding module filters the traffic based on the filtering strategy and forwards the traffic according to the forwarding strategy and the network configuration of the forwarding port. And the flow forwarding fine granularity can be accurately controlled.

The utility model provides a translation type metal cutting waste chip collecting device, and belongs to the technical field of metal cutting machining. Comprising a collecting box, a box opening is formed in the upper end face of the collecting box, a steel wire mesh is laid in the box opening of the collecting box, two fixing frames are symmetrically fixed to the two sides in the collecting box, waste chip collecting boxes are slidably installed in the two fixing frames, and the tops of the waste chip collecting boxes are open and horizontally flush with the top ends of the fixing frames; a horizontal fixing plate is fixed to the middle in the collecting box, a first filter screen inclining upwards is laid between the fixing plate and the top end of the fixing frame, a scrap scraping plate is horizontally and slidably installed at the top in the fixing frame, and a movable plate is elastically installed at the lower end of the scrap scraping plate and abuts against the upper end face of the first filter screen. According to the utility model, cutting scraps can be filtered and collected in a multi-stage manner, automatic stacking and recycling are facilitated, the filtering assembly can be prevented from being blocked, and the overall use effect is good.

The utility model relates to the technical field of sewage treatment, and provides a sewage air flotation treatment device which comprises a sewage air flotation treatment box, a plurality of scrapers arranged in the sewage air flotation treatment box and used for scraping a scum layer and a conveying part used for conveying the scrapers, and the multiple scrapers are arranged in the length direction of the sewage air flotation treatment box at intervals; a collecting tank for collecting scum on the scraper blade is arranged at one end of the sewage air flotation treatment box, and is provided with a cleaning piece for cleaning the scum adsorbed on the scraper blade; the cleaning part comprises a plate body, a cleaning plate and an elastic part; the cleaning plate is rotationally connected to the plate body and is used for scraping dross adsorbed on the scraping plate; the elastic part is used for enabling the cleaning plate to rotate in the direction close to the scraping plate; the conveying part drives the scraping plate to move in the direction close to the collecting tank and the cleaning plate. The device has the beneficial effect of reducing the possibility of secondary pollution of a large amount of scum adsorbed on the scraping plate to primarily treated water in the process of circularly conveying and using along with the scraping plate.

The invention provides an X-ray photovoltaic radiation cell based on a gallium-containing semiconductor and a preparation method of the X-ray photovoltaic radiation cell. The gallium-containing semiconductor X-ray radiation photovoltaic cell comprises a gallium-containing semiconductor transduction unit and an X-ray radiation source 55Fe arranged on the semiconductor transduction unit, wherein the semiconductor transduction unit containing gallium comprises at least one of GaAs (gallium arsenide), GaInP (gallium indium phosphide), GaP (gallium phosphide) and Ga2O3 (gallium trioxide). According to the invention, the structure of a radiation photovoltaic cell is adopted, the output power density of an X-ray radioactive source 55Fe can be effectively improved, the penetration depth of the X-ray source 55Fe in a semiconductor can be effectively shortened by taking GaAs, GaInP, GaP and Ga2O3 as semiconductor materials, and meanwhile, the collection capability of current carriers is effectively improved by adjusting the total thickness of a semiconductor transduction unit and the doping concentration of each layer, so that the performance of the X-ray source 55Fe is improved. And finally, the preparation of the X-ray radiation photovoltaic cell with high output power and high energy conversion efficiency is realized.

The invention discloses a switching value acquisition device. Wherein the switching value acquisition device comprises a micro-control unit and a signal acquisition circuit with a connector and an abnormal detection circuit; the first access end and the second access end of the connector are connected with the positive electrode end of the contact switch, the third access end and the fourth access end of the connector are connected with the negative electrode end of the contact switch and used for collecting switching value signals output by the contact switch, and the first output end of the connector is connected with a first external power supply; the second output end and the third output end of the connector are connected with the micro-control unit, so that the micro-control unit receives a switching value signal; the anomaly detection circuit is connected between the signal output end and the input end of the micro-control unit; and the micro-control unit is used for performing state diagnosis on the switching value acquisition device through the anomaly detection circuit to obtain a state diagnosis result. The device can perform switching value signal acquisition on the wet contact switch and the dry contact switch, has a self-diagnosis capability, and improves the acquisition capability of the switching value signals.

The present invention relates to the field of photovoltaic equipment, and in particular to a water photovoltaic equipment with a protective function, including a floating photovoltaic equipment, a protective plate, a pressure plate and a collection box; the front side of the floating photovoltaic equipment is detachably connected with a protective plate to prevent seawater from splashing when the waves hit; the protective plate is arranged to be bent forward; the front side of the floating photovoltaic equipment is provided with a pressure plate; the floating photovoltaic equipment is provided with a plurality of collection boxes to prevent the equipment from being contaminated by garbage; the pressure plate is detachably connected to the collection box. The present invention realizes guiding the waves to impact downward by setting the protective plate to be bent forward, while dispersing the impact force of the waves hitting the buoy, and the highest point of the protective plate is always higher than the height of the waves rolling up, so as to prevent the splashed seawater from adhering to the photovoltaic panel.

The invention discloses a portable forestry water quality information collecting and surveying device, and belongs to the technical field of water quality detecting and sampling equipment.The portable forestry water quality information collecting and surveying device comprises a buoyancy control assembly, the buoyancy control assembly comprises a sampling barrel, an outer cylinder is fixedly connected to the lower end of the sampling barrel, an inner cylinder is rotationally connected into the outer cylinder, and a motor is fixedly connected to the upper end of the outer cylinder; the output end of the motor is fixedly connected with the inner cylinder, the side wall of the outer cylinder is fixedly connected with a water storage round box, the lower end of the outer cylinder is fixedly connected with a valve shell, and the interior of the valve shell is rotatably connected with a valve element communicated with the inner cylinder. The sampling barrel moves downwards, water on the water surface is collected through the upper end of the sampling barrel, generated water flow can push the sampling barrel to move when the two-way water pump drains water, the collection range of the water on the water surface is expanded, and a collected water sample is closer to the actual condition of a water body.

The utility model relates to the technical field of traditional Chinese medicine decoction pieces, and discloses a traditional Chinese medicine decoction piece automatic collecting device which comprises a machine body, the bottom surface of the machine body is rotationally connected with two rotating rollers, the outer surfaces of the two rotating rollers are in transmission connection with a moving crawler belt, and the left side surface of the machine body is fixedly connected with two supporting plates; a conveying belt is installed between the two supports, and the left side faces of the two supporting plates are fixedly connected with a fixing plate. According to the automatic collecting device for the traditional Chinese medicine decoction pieces, rolling of residual scattered materials can be reduced by installing the movable crawler belt, the collecting effect is improved, the traditional Chinese medicine decoction pieces can be conveyed through cooperation of the installed sweeping plate and the conveying belt, the collecting efficiency is improved, automatic transferring and collecting of the materials are achieved, manual intervention is reduced, and the labor intensity of workers is relieved. And through cooperation of a sieve plate and a dust collection frame, impurities in the traditional Chinese medicine decoction pieces can be removed, the traditional Chinese medicine decoction pieces can be screened, and medicine residues and stones in the traditional Chinese medicine decoction pieces can be removed.

The invention discloses an environment-friendly sponge laser cutting machine and a cutting method thereof, and relates to the field of sponge laser cutting machines.The environment-friendly sponge laser cutting machine comprises a main machine, sliding rails are arranged on the two sides in the main machine, sliding beams are connected to the sliding rails in a sliding mode, and bearing beams used for bearing sponge are connected to the two sliding rails in the main machine at intervals; a laser cutting head is connected to the sliding beam in a sliding mode, an exhaust fume collecting hood is fixedly connected to the outer wall of the laser cutting head, a negative pressure pipeline is connected to the side wall of the exhaust fume collecting hood, an axial magnetic flux motor is installed in the exhaust fume collecting hood, a rotating pipe is connected to the center of the axial magnetic flux motor, and fan blades are rotationally connected to the bottom end of the rotating pipe. According to the laser cutting waste gas collecting device, waste gas generated in the laser cutting process is collected through the negative pressure smoke suction structure in the smoke collecting hood, no matter the laser cutting head moves in any direction on the plane, the waste gas generated by cutting floats upwards and is within the smoke collecting range of the smoke collecting hood, and the collecting effect on the laser cutting waste gas is effectively improved.

The invention belongs to the technical field of spraying equipment, and particularly relates to automobile bumper spraying equipment and a spraying process. The automobile bumper spraying equipment comprises a spraying mechanical arm, a support and a conveyor; the paint mist collecting device further comprises a paint mist collecting mechanism, the paint mist collecting mechanism is used for recycling redundant paint mist, and the paint mist collecting mechanism is located on the movement path of the conveyor. By arranging the paint mist collecting mechanism and adopting a deposition box and a housing to cover the bumper, the space size of spraying operation is effectively reduced, the diffusion range of sprayed paint mist is reduced, the diffusion efficiency of the paint mist to the surrounding space is effectively reduced, meanwhile, external negative pressure recycling equipment is matched, and the spraying efficiency of the bumper is improved. According to the paint mist collecting device, negative pressure extraction is conducted on the space defined by the housing and the deposition box, paint mist dispersed in air is recycled through flowing of airflow, then the collecting effect on redundant paint mist is effectively enhanced, and pollution of spraying operation to the environment is reduced.

The invention relates to a preparation method of a solar cell, the solar cell and a photovoltaic module. The preparation method of the solar cell comprises the steps that a substrate is provided, the substrate is provided with a first surface and a second surface which are oppositely arranged in the thickness direction perpendicular to the substrate, and at least one of the first surface and the second surface is defined as a target surface; forming a first tunneling layer, a first doped semiconductor layer, a second tunneling layer and a second doped semiconductor layer which are stacked on the target surface of the substrate in the direction away from the substrate to obtain a passivation structure; a plurality of holes are formed in the second tunneling layer; and performing annealing treatment on the passivation structure to increase the size of the hole in the direction parallel to the reference plane. According to the preparation method of the solar cell, the passivation performance of the solar cell can be improved, and the contact performance of the solar cell can also be improved.

The invention provides a positron annihilation lifetime-momentum correlation spectrometer for measuring a film sample, which comprises a detector module, an NIM electronics module, a data acquisition module and a data processing module, and is characterized in that the detector module comprises a gamma detector, a high-purity germanium detector and an anticoincidence module; the anticoincidence module, the high-purity germanium detector and the gamma detector are respectively connected with the NIM electronics module, and the NIM electronics module is sequentially connected with the data acquisition module and the data processing module. The positron annihilation life-momentum correlation measurement of the micron-sized film sample is realized, and the application of the technology in the field of material science is expanded.

The utility model provides a probe cleaning device and wafer acceptance test equipment. The probe cleaning device comprises a gas inlet piece and a gas guide piece, and the gas inlet piece is used for providing cleaning gas; the air guide part is arranged above the probe card, an air inlet end of the air guide part is communicated with the air inlet part, an air guide channel is arranged in the air guide part and comprises a plurality of air outlet ends arranged at the bottom end part of the air guide part, and the air outlet ends correspond to tips of a plurality of probes in the probe card one to one; therefore, the clean gas sprayed out of the gas guide channel is blown towards the tip of the probe. According to the probe cleaning device, the tip of each probe can be independently purged, the cleaning efficiency and the cleaning effect of the probes are effectively improved, the probe card does not need to be disassembled, the effect of cleaning the probes in real time in the testing process is achieved, probe burning caused by short circuit of the tips of the probes can be effectively avoided, and the testing efficiency is improved. And meanwhile, the influence on the accuracy of a test result caused by contact resistance increase due to accumulation of metal scraps is avoided.

The invention belongs to the technical field of battery pole piece recovery, and discloses a sodium ion battery pole piece dry recovery device which comprises a treatment box and a crushing roller, and a fixed guide screening part located below the crushing roller is fixedly arranged in the treatment box. Large-size materials are pushed into the material guiding assembly in a concentrated mode after screening, pressure air is guided into the material guiding assembly in cooperation with the air supply assembly, the composite screening assembly and the ventilation reversing assembly, and the materials are conveyed to the material guiding assembly through the power effect of the pressure air. Screened large-volume materials are transferred to the top of a crushing roller along a pipeline in cooperation with pushing of pressure air for secondary screening, incomplete primary screening is avoided, the screened materials are subjected to simple and rapid secondary screening treatment, the actually screened large-volume materials are automatically separated and stacked and rapidly guided to the crushing roller, and the crushing efficiency is improved. And the crushing quality and efficiency in the dry recovery process of the sodium-ion battery are greatly improved, and the practical effect is good.

The invention relates to the photovoltaic field, and provides a photovoltaic module, which comprises a battery piece, a conductor and a conductive backboard, and is characterized in that the battery piece comprises a battery body and an electrode arranged on the battery body; the conductive backboard comprises an insulating layer, a conductive layer and a back adhesive film which are stacked in sequence, wherein the insulating layer is provided with a plurality of through holes penetrating through the insulating layer; the conductor is arranged in the through hole, the electrode on the battery body is electrically connected with the conducting layer through the conductor, in the longitudinal section of the conductor, the length of the first side, in contact with the electrode, of the conductor is D1, the length of the second side, in contact with the conducting layer, of the conductor is D2, and the first side and the second side are arranged on the two opposite sides of the conductor; the length of a third side located at the narrowest position between the first side and the second side in the longitudinal section is D3, and D1gt; d3 and / or D2gt; and D3. The conductor not only can ensure the current collection and transmission efficiency, but also can save the cost.

The invention relates to an automatic shaping and purifying device for the surface of a composite material rod, and belongs to the technical field of composite material rod production. The device comprises a shaping mechanism, a dust removal mechanism and an intelligent shaping purifier; the shaping mechanism comprises a mounting frame used for mounting a workpiece, a grinding wheel assembly located above the mounting frame, and a laser range finder mounted corresponding to a grinding wheel of the grinding wheel assembly. The dust removal mechanism comprises a dust collection box, a dust suction pipe connected with an inner cavity of the dust collection box and a dust suction head installed at the input end of the dust suction pipe. A shaping module and a purification regulation and control module are arranged on the intelligent shaping purifier; by the adoption of the structure, the gas circulation rate at different positions of the dust collection head can be flexibly adjusted, accurate control shaping is achieved through the intelligent shaping purifier, the collecting efficiency of dust at the corresponding positions is flexibly adjusted according to the generation amount of dust at different positions on a workpiece during shaping, and automatic and intelligent machining of workpiece shaping and purifying is achieved.