48results about How to "Effectively brought out" patented technology

The invention provides a blowing system and blowing method for a fuel cell. The blowing system comprises a sensor group, an air pump and a system controller, wherein the sensor group comprises a cell stack temperature sensor and an environmental temperature sensor, the cell stack temperature sensor is arranged in a fuel cell stack, and the environmental temperature sensor is arranged outside the fuel cell stack; the air pump is connected to an air inlet pipeline of the fuel cell stack; and the system controller is used for receiving a measuring signal transmitted from the sensor group and controlling the on / off of the air pump according to the measuring signal. By the above blowing system, water in the cell stack can be effectively carried out, and the internal temperature of the fuel cell stack is reduced; the internal temperature of the fuel cell stack and the environmental temperature of the system are measured to judge whether the fuel cell stack is effectively blown or not; and the blowing of the fuel cell stack is stopped according to a judgment result, the blowing time of the fuel cell stack is effectively reduced, the energy consumption of the blowing system is reduced, and the reliability and the stability of the blowing system are improved.

The invention discloses an outdoor safety power distribution cabinet which comprises a supporting plate. A connecting cover is arranged at the middle end of the lower side of the supporting plate, a first electric shock sheet is arranged at the inner upper end of the connecting cover, a second electric shock sheet is arranged at the inner lower end of the connecting cover, a connecting rod is arranged on the lower side of the second electric shock sheet, a floating ball is arranged on the lower side of the connecting rod, an electric telescopic rod is arranged on the lower side of the supporting plate, an outer shell is arranged on the upper side of the supporting plate, a solar panel is arranged on the upper side of the outer shell, an inner shell is arranged in the outer shell, a cabinetdoor is arranged in the front sides of the inner shell and the outer shell, a digital password lock is arranged at the right end of the front side of the cabinet door, an alarm is arrange don the upper side of the upper side of the left end of the cabinet door, a notch is formed in the upper side of the inner shell, a drying cavity is formed in the notch, the left side and the right side of the drying cavity are connected with the inner shell through connecting pipes, and a breathable mesh is arranged at the inner rear end of the drying cavity. The power distribution cabinet can be effectively ventilated, cooled and dried and can effectively prevent devices in the cabinet from being stolen and rainwater from entering the cabinet, and safety use of the devices is ensured.

The invention provides a high-glossiness low-odor high-low-temperature-toughness flame-retardant PC / ABS (polycarbonate / acrylonitrile-butadiene-styrene) composition which is prepared from the following raw materials in percentage by mass: 30-90% of PC, 5-25% of phosphorus-containing flame retardant and 5-50% of ABS-low-temperature toughening modifier one-step material, totaling 100%. The ABS-low-temperature toughening modifier one-step material is prepared from the following raw materials in percentage by mass: 50-80% of ABS and 20-50% of low-temperature toughening modifier. The selected ABS material and the produced ABS-low-temperature toughening modifier one-step material are proportionally mixed with the flame retardant and PC to perform modification in an extruder, thereby obviously improving the problems of the odor of the PC / ABS composition, the defects in the compacting process and the like.

The invention discloses an efficient and low-cost hollow-out method for a sapphire wafer bar. Problems that an existing method for hollowing out a bar is poor in chip removal effect and large quantities of cooling liquid cannot reach a bar hollowed-out portion are solved. The efficient and low-cost hollow-out method mainly includes steps of (1), fixing a sapphire crystal on a machine tool, and turning on a cooling water pipe to continuously feed cooling liquid into the sapphire crystal; and (2), moving a cutter to a position to be processed and forming the sapphire wafer bar by more than one processing cycle. Each processing cycle includes hollowing out the bar, lifting the cutter, removing chips and moving the cutter downwards. In the step of hollowing out the bar, the rotational speed of the cutter ranges from 300r / min to 500r / min, and the bar begins to be hollowed out; in the step of lifting the cutter, the cutter is quickly lifted up when the depth of a hollowed-out portion of the bar ranges from 2mm to 5mm; in the step of removing the chips, the rotational speed of the cutter is controlled to range from 500r / min to 1000r / min, and the rotational speed of the cutter is adjusted to range from 300r / mm to 500r / min after 3-6 seconds; and in the step of moving the cutter downwards, the cutter moves downwards to the position to be processed. The efficient and low-cost hollow-out method has the advantages of high efficiency, good chip removal effect and cooling effect, and the like.

The invention discloses a breast implant silicone prosthesis production mold. The breast implant silicone prosthesis production mold comprises an upper mold and a lower mold. The lower mold is arranged at the bottom of the upper mold. The top of the lower mold is uniformly provided with a plurality of mold grooves. A cooling fluid flow channel is arranged in the position, located below the mold grooves, of the interior of the lower mold. The two sides of the bottom of the lower mold are elastically connected with a fixed base through vibration springs arranged symmetrically. Through arrangement of vibrators and the vibration springs, the mold can vibrate to effectively remove bubbles in molten silicone under the vibration effect so that silicone can be distributed uniformly in the mold grooves. Accordingly, the production quality of silicone prosthesis is effectively improved. The breast implant silicone prosthesis production mold is provided with heat conducting rods and the cooling fluid flow channel. The bottoms of the heat conducting rods can be immersed in cooling fluid. Under the flowing action of the cooling fluid, heat of the silicone is effectively taken out. Thus, cooling and solidifying of the silicone are accelerated, and the production efficiency of the silicone prosthesis is improved.

The invention discloses a five-axis machine tool rotary table with a damping structure, and relates to the technical field of numerical control machine tools. The five-axis machine tool rotary table comprises a turntable main body, wherein the turntable main body is provided with a rotary workbench, a sunken part is arranged in the center of the upper portion of the rotary workbench, and a plurality of T-shaped grooves are evenly formed around the sunken part; the center of the rotary workbench is connected with a rotating shaft; the rotating shaft is connected with the turntable main body through a bearing; the rotating shaft is of a hollow structure, one end is connected with a shunting disc, and the other end is connected with a connecting pipe; the shunting disc is located at the sunken part, and the side wall of the shunting disc is provided with a plurality of shunting holes; the axes of the shunting holes are in one-to-one correspondence with those of T-shaped grooves; a shell of the turntable main body is provided with an oil seal and a water pipe connector; the oil seal is arranged inside the water pipe connector; and the tail end of the connecting pipe penetrates out of the oil seal and is arranged in the water pipe connector. According to the invention, water flow or cutting fluid is sprayed into the T-shaped grooves, vibration energy of mounting bolts in the T-shaped grooves can be absorbed, then the water flow slides down along the T-shaped grooves, and the vibration energy is brought out.

The invention discloses a waste heat recycling device in the reaction process of ethene hydroformylation. The waste heat recycling device comprises a reactor, and further comprises a steam pocket anda refrigerating unit, and heat-transfer medium outlets of the reactor are connected with heat-transfer medium gas-phase inlets of the steam pocket; a heat-transfer medium gas-phase outlet of the steampocket is connected with a heat-transfer medium inlet of the refrigerating unit, a heat-transfer medium liquid-phase outlet of the steam pocket is connected with a heat-transfer medium inlet of the reactor, and a heat-transfer medium outlet of the refrigerating unit is connected with a heat-transfer medium liquid-phase inlet of the steam pocket. The invention further provides a method for using the device to recycle waste heat in the reaction process of ethene hydroformylation. The waste heat recycling device and method have the advantages of being simple in structure, stable to operate, lowin running cost, efficient and economical.

The invention provides a motor controller and a package method thereof. The motor controller comprises a shell; openings are formed at two surfaces of the shell, and two openings are closed by using acover plate and a water-cooling cover plate; a low-voltage connector and a high-voltage connector are arranged on two opposite ends of the shell. The internal volume of the controller is compact, allspace is sufficiently utilized, and the power density of the controller is improved; since the heating of the whole controller is mainly from an IGBT module, a water channel is formed local region ofa location for mounting the IGBT module at the bottom of a controller box, on the one hand, the space of the water channel is saved, on the other hand, the heat produced in the controller can be effectively taken away, and the controller temperature is reduced. The controller radiating box structure is located in a driving system, the test shows that the structure space is extremely compact, theweight is light, and the radiating effect is good.

The invention relates to the field of organic synthesis and discloses a preparation method of an intermediate, namely a 4-chloro-6-trifluoromethylpyrimidine type compound. The preparation method comprises the following steps of: taking trifluoroacetyl ethyl acetate and ether hydrochloride as raw materials, using a base catalyst to perform solvent reflux reaction with a hydrocarbon and alcohol mixture; mixing an obtained 4-hydroxy-6-trifluoromethylpyrimidine type compound with phosphorus oxychloride and acetonitrile, and reacting for 2-24 hours at the temperature of 80-150 DEG C; and removing a solvent, adding water, alkalinizing and extracting with an organic solvent. According to the method disclosed by the invention, the yield is high and can be more than 80%, the cost is lower, and the industrialization is easy.

The invention discloses a multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device. According to the multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device, a main body is composed of a multi-vane anisotropic turbulent flow generator and a low-pressure double-balance automatic accommodometer. The multi-vane anisotropic turbulent flow generator is provided with an agitating shaft, four sets of anisotropic vanes, an agitating barrel, a gas inlet guide pipe and a gas outlet guide pipe; the low-pressure double-balance automatic accommodometer is provided with a double-sleeve three-way closed glass outer pipe, a two-way glass inner pipe and a differential pressure balancing adjusting medium. According to the multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device, due to the design of non-equal-length backward vanes and a double-sleeve three-way gas quantity self-balancing compensation device, low-quantity gas carried by slurry can be agitated sufficiently and degassed; under the condition of ultralow gas quantity, the double-sleeve three-way gas quantity self-balancing compensation device can effectively carry away trace gas in the slurry. Therefore, the multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device is suitable for degassing the conventional slurry, is particularly suitable for degassing the slurry with great slurry density, many organic additives, great viscosity and small gas content, is complete in structure, is strong in adaptability and has a very good degassing effect.

The invention discloses a drying system for kitchen waste treatment, and belongs to the technical field of kitchen waste treatment devices. The drying system comprises a drying container, a first drying circulation pipeline, a second drying circulation pipeline, a stirring assembly and a heating stirring assembly, wherein the drying container is provided with a drying chamber; the first drying circulation pipeline communicates with the drying chamber and is provided with a first drying condensing assembly and a first fan; the second drying circulation pipeline communicates with the drying chamber and is provided with a second drying and condensing assembly and a second fan; the stirring assembly is arranged in the drying chamber; the heating assembly is used for heating the drying chamber;and the drying system comprises a first drying state and a second drying state. According to the drying system, along with the gradual decrease in the water content in solid wastes in the drying process, the solid wastes can be dried through the first drying circulating pipeline and the second drying circulating pipeline correspondingly in the case of high water content and low water content in the solid wastes, so that the drying speed can be greatly improved and the energy consumption can be reduced on the premise of ensuring the drying effect.

The invention discloses a stamping die with a double-cooling type forming punch, and belongs to the technical field of stamping. The stamping die is characterized in that an upper cooling cavity and alower cooling cavity filled with cooling liquid are arranged in a mold core and the punch respectively, and the upper cooling cavity and the lower cooling cavity communicate with each other through symmetrically-arranged air supply guide columns; air circularly flows between the upper cooling cavity and the lower cooling cavity through the air supply guide columns, and matching of air cooling andwater cooling is achieved, so that the cooling effect on the die is effectively improved; in addition, a magnetic attraction plate is arranged inside the punch, the bottom end of the magnetic attraction plate magnetically attracts a plurality of magnetic nitratine particles, after die assembly, water-soluble magnetism-starting trigger bodies located at the bottom ends of the air supply guide columns disintegrate when meeting water to trigger an on-off switch of the magnetic attraction plate, after the magnetic attraction plate is powered off, the plurality of magnetic nitratine particles fallinto the cooling liquid in the upper cooling cavity, and the cooling liquid is gradually cooled and partially frozen when meeting the magnetic nitratine particles; and on one hand, the cooling effectof the punch on the die is directly improved, on the other hand, a cooling effect on the circularly flowing air is achieved, and rapid cooling of the die is achieved.

The invention discloses a low temperature smoking device with two-way ejection of an air pipe and a cigarette. The smoking device comprises a casing, a heat pipe, the air pipe for sucking smoke and abattery assembly, the heat pipe is covered with FPC heating film, the battery assembly is installed in the casing and electrically connected to the FPC heating film, the heat pipe is installed in thecasing and has a chamber for inserting the cigarette, one end of the air pipe is inserted into the heat pipe from the bottom end of the casing and can slide in the axial direction of the heat pipe, the cigarette is pulled from a cigarette socket at the top of the casing, there is a gap between the heat pipe and the cigarette socket, and an airflow flows from the top of the cigarette into the heatpipe and then flows out from the air pipe. The low temperature smoking device is adapted to the suction of the coarse cigarette, the airflow is reversed in the cigarette, the temperature of the smokeis obviously reduced after the smoke passes through the air pipe, the water vapor or tar falls into the air pipe by gravity, and replacing or cleaning the air pipe can effectively ensure the cleanliness of the entire smoking device.

The invention provides a clothes dryer. The clothes dryer comprises a box, a hot air cover, a bearing, an inner cylinder and a grounding assembly. The hot air cover is arranged on the rear end face of the box and provided with a bearing mounting portion. The bearing is positioned at the back of the hot air cover and mounted on the bearing mounting portion, the inner cylinder is arranged in the box, a rotating shaft extending backwards is arranged on a rear cover of the inner cylinder, penetrates backwards the hot air cover and is matched with the bearing, the rear end of the rotating shaft projects backwards over the rear surface of the bearing, and the grounding assembly is arranged on the rear surface of the bearing and connected with the rotating shaft. The clothes dryer has following beneficial effects: by the aid of the grounding assembly, the inner cylinder is reliably connected with the box, and static electricity of the inner cylinder can be effectively taken out.

The invention discloses a method for preparation of phenolic resin by a two-phase technique. The method involves an organic solvent and a water solvent. Phenol and aldehyde are adopted as reactants, and a strong acid is taken as a catalyst. The reactants and the catalyst undergo reaction at the interface between the organic solvent and the water solvent to prepare the low molecular weight phenolic resin with narrow molecular weight distribution. The method provided by the invention uses the strong acid as the catalyst to shorten the reaction time, and the use of the strong acid as the catalyst has no adverse effect on subsequent use. The prepared phenolic resin is easy to disperse during application and can achieve even distribution.

The invention discloses an atmospheric environmental pollution monitoring device suitable for rainy and snowy weather and a monitoring method thereof, and relates to the technical field of environmental monitoring. The atmospheric environmental pollution monitoring device suitable for the rainy and snowy weather comprises a device body, wherein a detection module of the device body is located at the top part of the device body, a box body is fixedly connected to the top part of the device body, the detection module is located in the box body, a mounting opening is formed in the front face of the box body, a pore plate is fixedly connected into the mounting opening, a micro motor is fixedly mounted on the right side of the box body, a cleaning mechanism is arranged in the box body, and a matched wiping mechanism is arranged at the inner top part of the mounting opening. According to the atmospheric environmental pollution monitoring device suitable for the rainy and snowy weather and the monitoring method thereof, the cleaning mechanism and the matched wiping mechanism are used for cooperative operation, and the effect of fully cleaning the circulating air part of the monitoring device is achieved, so that the situation that normal work of the monitoring device is affected by pore plate blockage caused by the rainy and snowy weather is effectively prevented.

The invention discloses a method for preparation of phenolic resin by a two-phase technique. The method involves an organic solvent and a water solvent. Phenol and aldehyde are adopted as reactants, and a strong acid is taken as a catalyst. The reactants and the catalyst undergo reaction at the interface between the organic solvent and the water solvent to prepare the low molecular weight phenolic resin with narrow molecular weight distribution. The method provided by the invention uses the strong acid as the catalyst to shorten the reaction time, and the use of the strong acid as the catalyst has no adverse effect on subsequent use. The prepared phenolic resin is easy to disperse during application and can achieve even distribution.

The embodiment of the invention belongs to the field of aerosol generating devices, and relates to a gas circuit assembly which is suitable for an aerosol generating device and comprises a heating channel, a gas inlet channel and a gas guide structure. The air outlet end of the heating channel communicates with the air inlet end of the air guide structure, and the heating channel is used for heating an aerosol base material; the air inlet end of the air inlet channel communicates with the outside atmosphere, and the air outlet end of the air inlet channel communicates with the communicating position of the air outlet end of the heating channel and the air inlet end of the air guide structure. The air guide structure is used for enabling airflow entering the air guide structure to form vortex airflow. The invention also relates to an aerosol generating device. The airflow entering the air guide structure forms the vortex airflow through the air guide structure, so that the suction force on the airflow in the heating channel is enhanced, the suction force of the airflow in the air inlet channel and the airflow in the heating channel is enhanced, the flowability is improved, aerosol formed by the aerosol base material in the heating channel can be brought out as much as possible, and the heating efficiency is improved. And the smoking fullness and taste of the aerosol are improved.

The invention discloses a frequency converter. The frequency converter includes a main body of the frequency converter and a window-moving assembly arranged on the main body of the frequency converter. The main body of the frequency converter comprises an operation keyboard, a face cover, a casing, a main board PCB, drive PCB board, terminals, capacitor PCB board and silicone retainer; the cover is buckled with the housing, and the operation keyboard is embedded in the cover and buckled with the housing; the main board PCB is connected through the connector It is fixed inside the housing; the terminals are welded on the capacitor PCB, and the main board PCB, the drive PCB, the terminals and the capacitor PCB are sequentially connected and arranged inside the housing; the frequency converter of the present invention operates by The integrated design of the keyboard is an independent module, and an installation space is reserved on the casing. The operation keyboard is installed on the casing and exposed to the opening of the cover, which is convenient for operation and easy to replace, and only needs to replace the operation keyboard; The pcb boards are respectively connected and installed in the casing, maximizing the use of the space in the casing.

The invention provides a blowing system and blowing method for a fuel cell. The blowing system comprises a sensor group, an air pump and a system controller, wherein the sensor group comprises a cell stack temperature sensor and an environmental temperature sensor, the cell stack temperature sensor is arranged in a fuel cell stack, and the environmental temperature sensor is arranged outside the fuel cell stack; the air pump is connected to an air inlet pipeline of the fuel cell stack; and the system controller is used for receiving a measuring signal transmitted from the sensor group and controlling the on / off of the air pump according to the measuring signal. By the above blowing system, water in the cell stack can be effectively carried out, and the internal temperature of the fuel cell stack is reduced; the internal temperature of the fuel cell stack and the environmental temperature of the system are measured to judge whether the fuel cell stack is effectively blown or not; and the blowing of the fuel cell stack is stopped according to a judgment result, the blowing time of the fuel cell stack is effectively reduced, the energy consumption of the blowing system is reduced, and the reliability and the stability of the blowing system are improved.

The invention discloses an aluminum plate with good heat dissipation performance and a preparation method thereof, and relates to the field of aluminum plate manufacturing. According to the aluminum plate with the good heat dissipation performance and the preparation method, the aluminum plate with the good heat dissipation performance comprises a mounting plate, a fixing device is mounted at the top end of the mounting plate, the bottom face of the mounting plate is connected to the inner side of an anti-collision baffle, an aluminum plate discharging hole is formed in the left side of the anti-collision baffle, supporting stand columns are fixedly mounted at the two sides of the anti-collision baffle, and sliding devices are connected to the rear ends of the supporting stand columns; a supporting beam is movably connected to the upper right sides of the sliding devices, a manual control handle is mounted at the left side of the supporting beam, beam baffles are fixedly mounted at the two ends of the supporting beam, a storage cabinet is mounted at the right side of the mounting plate, an angle control button is mounted at the upper right side of the fixing device, and a smearing gun is mounted on the bottom face of the supporting beam; and a heat dissipation aluminum plate body is installed at the inner side of the fixing device. The aluminum plate has the advantages of being high in thermal stability and high in automation degree in the preparation process.

Provided is a laminated module that can suppress a temperature rise accompanying the heat release of semiconductor devices, allowing stable operation, even in the case of a configuration laminating semiconductor devices having large power consumption. The laminated module is provided with: an interposer (70) having a channel (71) through which a fluid flows; at least one first semiconductor device disposed on one side of the interposer (70); and at least one second semiconductor device disposed at the reverse surface of the interposer (70) from the first semiconductor device. The channel (71) of the interposer (70) has a first region having a cross-sectional area that is relatively smaller and a second region having a cross-sectional area that is relatively larger, and is configured in a manner so that the fluid is subjected to adiabatic expansion partway along moving from the first region to the second region.

The invention discloses a low-temperature smoking set comprising a shell, a heating body disposed in the shell, an air pipe and a battery component, wherein a heating chamber for inserting the cigarette and opening at the top is formed in the shell; one end of the air pipe is inserted into the heating chamber from the bottom end of the shell and can slide in the axial direction of the heating chamber to eject the cigarette from the top opening of the heating chamber; and an air inlet passage is formed between the shell and an outer wall of the heating chamber, an air inlet hole communicating with the air inlet passage is formed in a top side wall of the heating chamber, and a shell air inlet hole is formed in a side wall, close to the bottom end of the heating chamber, of the shell. The invention further discloses a low temperature cigarette comprising the above low-temperature smoking set. The low-temperature smoking set disclosed by the invention adopts a lateral air inflow method toachieve air inflow, and the airflow passes through the outer wall of the heating chamber to perform heat exchange, so that the temperature of the shell of the smoking set can be effectively reduced.The airflow flows in an opposite direction in the cigarette, the temperature of the smoke is significantly reduced after the smoke passes through the air pipe, and the sanitation and hygiene in the entire smoking set can be effectively ensured by replacing or cleaning the air pipe.

The invention discloses a geological exploration sampler, and belongs to the technical field of geological exploration, the geological exploration sampler comprises a sampling cylinder, the top end of the sampling cylinder is provided with an opening and closing adjusting cylinder matched with the sampling cylinder, and the inside of the opening and closing adjusting cylinder is movably provided with a piston plate matched with the opening and closing adjusting cylinder. When the sampler is specially used for manufacturing, designing and sampling wetland soil with high flowability, after the sampling barrel is inserted into the wetland soil, the adjusting rod is pressed to enable the heating ball to fall into clear water, so that the sampling barrel and the opening and closing adjusting barrel can be automatically separated, and sampling is carried out; when the sampling barrel is pulled out, the pressure relief function of the self-air-leakage driving closing part can be automatically triggered, then the sampling barrel and the opening and closing adjusting barrel are automatically closed, then sampling can be completed by pulling out the sampling barrel, soil can be effectively brought out, the sampling efficiency is improved, when the sampling barrel is pulled out, soil above cannot flow into the sampling barrel, and then the sampling accuracy can be effectively improved.

The invention discloses a multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device. According to the multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device, a main body is composed of a multi-vane anisotropic turbulent flow generator and a low-pressure double-balance automatic accommodometer. The multi-vane anisotropic turbulent flow generator is provided with an agitating shaft, four sets of anisotropic vanes, an agitating barrel, a gas inlet guide pipe and a gas outlet guide pipe; the low-pressure double-balance automatic accommodometer is provided with a double-sleeve three-way closed glass outer pipe, a two-way glass inner pipe and a differential pressure balancing adjusting medium. According to the multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device, due to the design of non-equal-length backward vanes and a double-sleeve three-way gas quantity self-balancing compensation device, low-quantity gas carried by slurry can be agitated sufficiently and degassed; under the condition of ultralow gas quantity, the double-sleeve three-way gas quantity self-balancing compensation device can effectively carry away trace gas in the slurry. Therefore, the multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device is suitable for degassing the conventional slurry, is particularly suitable for degassing the slurry with great slurry density, many organic additives, great viscosity and small gas content, is complete in structure, is strong in adaptability and has a very good degassing effect.

The invention provides new application of an electrophoretic overflow weir and relates to the field of laying, supporting, connecting and overhauling of a pump liquid conveying pipeline. The new application of the electrophoretic overflow weir comprises the following steps that step1, the height of the overflow weir is measured and is recorded as L1, and the adjusting stroke A1 of the overflow weir is measured; step2, a proper stainless steel baffle is selected, the height L2 of the stainless steel plate is measured, and the direction size of the baffle is fully considered; and step3, one stainless steel baffle is additionally arranged in the width direction of a groove body of the movable overflow weir, the stainless steel baffle and the movable overflow weir are fixed through bolts, and position-limiting pins are driven into the stainless steel baffle. According to the new application of the electrophoretic overflow weir, one stainless steel plate is additionally arranged to serve as an important structure for adjusting the liquid level height of an electrophoretic tank and adjusting the surface flow speed, the situation that liquid leakage is serious due to the fact that a gap between one movable weir and one fixed weir is too large can be avoided after installation is completed, therefore, the surface flow speed of electrophoretic tank liquid will not be affected.

The invention provides a multi-channel testing system and device. The system includes a power supply control module, a first AC / DC power supply conversion module, an instrument backplane module, a human-computer interface display module and a testing module; the power supply control module is connected to the human-computer interface display module, the instrument backplane module and the first AC / DC power supply conversion module; the instrument backplane module is connected to the first AC / DC power supply conversion module; the testing module is connected to the instrument backplane module;and the human-computer interface display module is connected to the instrument backplane module. The system and device are short in development period and small in development difficulty.

The invention discloses a rainwater treatment device capable of conveniently cleaning and blocking rainwater sundries, and belongs to the field of rainwater treatment. A rainwater treatment device capable of conveniently cleaning and blocking rainwater sundries comprises a main body, a filter plate and a water collecting tank. A rotating rod is arranged on the inner wall of the main body, a lifting rod is connected to the end of the rotating rod, the filter plate is arranged at the end of the lifting rod, a rotating disc is arranged at the top of the main body, a sliding frame is connected tothe outer side of the rotating disc, a sliding groove is connected to the bottom of the sliding frame, a transmission disc is arranged at the top of the sliding frame, a transmission belt is arrangedon the outer side of the transmission disc, a first spring is arranged on the side of the sliding frame, and a first sliding block is connected to the end of the transmission belt. By arranging the multiple filtering structures, different impurities can be blocked and filtered, equipment can be conveniently cleaned, and blockage is reduced. After rainwater is filtered for the third time, impurities in the rainwater are greatly reduced, and subsequent collection and use of the rainwater are facilitated.