68results about How to "Control operation" patented technology

The invention relates to the technical field of mining oxygen supply regulation, in particular to a mining working face intelligent oxygen supply regulation system which comprises oxygen supply equipment, air purification equipment is arranged on one side of the oxygen supply equipment, one end of the oxygen supply equipment and one end of the air purification equipment are both connected with connecting pipes, and one sides of the two connecting pipes are jointly connected with air hole regulation equipment. And one side of the air hole adjusting equipment is connected with an air supply pipe, and fan equipment is installed at one end of the air supply pipe. Air can be effectively purified through the effect of the purification assembly, disassembly and replacement are convenient, the gas condition in the mine tunnel can be effectively monitored so that whether gas supply is conducted or not can be rapidly controlled, meanwhile, the oxygen content can be controlled, the safety in the mine tunnel is guaranteed, gas can be fully supplied to workers in the mine tunnel, and the working efficiency is improved. And fixed-point oxygen supply can be carried out according to the conditions in the mine tunnel, and the gas quality in the mine tunnel is improved.

The invention discloses gate valve production automatic machining equipment, and relates to the field of gate valve machining, the gate valve production automatic machining equipment comprises a machining table, a first conveying belt is arranged on the inner side of the machining table, a clamping structure is arranged at the top end of the machining table, and a polishing structure is arranged on the outer side of the clamping structure. By arranging the memory sponge, the air extracting pump, the adsorption groove, the bearing rod, the telescopic rod and the rubber ball, the gate valve is tightly attached to the memory sponge through self weight, the air extracting pump extracts air through the air extracting groove, the bottom plate and the adsorption groove in the inner side of the memory sponge, the negative pressure condition occurs in the adsorption groove, and then suction force is generated to tightly adsorb and fix the gate valve; three first motors drive a bearing rod and a telescopic rod to rotate and get close to the gate valve shell, when the telescopic rod is attached to the outer wall of the gate valve shell, the elastic force of the telescopic rod is larger under supporting of a spring, the clamping force of a rubber ball on the gate valve shell is larger, and therefore the gate valve shell is secondarily clamped and reinforced, and the shell is completely fixed to a machining table.

The utility model provides an integrated control management system of an electric vehicle and the electric vehicle. The system comprises a front management module, a rear management module, a controller, a power supply, a motor and a left / right switch assembly, the controller is used for providing a high-voltage power supply provided by the power supply for the motor, converting the high-voltage power supply into a low-voltage power supply and providing the low-voltage power supply for the post-management module; the rear management module is used for providing power and communication for the front management module through a power line and a communication line; the front management module is used for sending a handle rotating signal of the left / right switch assembly to the controller through the rear management module, so that the controller controls the motor to adjust power output according to the handle rotating signal; front electrical equipment and rear electrical equipment of the whole vehicle are managed through the front management module and the rear management module so as to control operation of the whole vehicle. Meanwhile, the using amount of wiring harnesses of the whole vehicle is reduced, and homogenization of electrical equipment of the electric vehicle is promoted; except a main loop and a circuit directly connected with the storage battery pack, the voltage of other circuits of the vehicle is a low-voltage power supply.

The invention relates to the technical field of 3D printer nozzles, in particular to a mixed screw and a single-screw 3D printer nozzle applying the same, the mixed screw comprises a rod body part, main body threads are fixed on the rod body part, a limiting boss is fixed at the upper end of the rod body part, and a rotating rod is fixed at the upper end of the limiting boss. The integrated structure is adopted, the overall firmness can be fully improved, directional movement of materials can be effectively controlled by controlling the rotating direction of the rod body part and the main body thread, the material moving direction can be controlled by controlling the rotating direction, and meanwhile through the arrangement of the multiple mixing elements, the mixing efficiency is improved. Materials can move from a gap between two adjacent mixing elements; the original single runner is changed into multi-runner simultaneous extrusion, so that the high-efficiency distribution mixing performance is realized; the shapes of a plurality of mixing elements are controlled through a hyperbolic curve, so that the melt is subjected to a process from convergence to divergence for more than two times, and the dispersing and mixing performance is more efficient.

The utility model discloses a bidirectional photovoltaic energy storage inverter and a photovoltaic energy storage system. The bidirectional photovoltaic energy storage inverter comprises at least one DC conversion module, a DC bus, a bidirectional AC / DC conversion module, a bidirectional DC / DC conversion module and a control module. The at least one direct current conversion module is used for converting the output voltage of the changed photovoltaic string into stable direct current bus voltage; the bidirectional AC / DC conversion module is used for converting the DC bus voltage into AC voltage and outputting the AC voltage to an AC load or an AC power grid; the bidirectional DC / DC conversion module is used for energy transmission between the DC battery module and the DC bus; the control module is used for controlling operation of all the modules. By adding the bidirectional photovoltaic energy storage inverter, zero-voltage pipe section and zero-current switching-on can be realized under different conditions, and the suitability of the photovoltaic energy storage system is greatly improved.

According to the embodiment of the utility model, the underwater robot comprises a walking mechanism, an isolation mechanism, a disturbance mechanism and a muddy water extraction mechanism, the walking mechanism comprises an underwater motor, a transmission mechanism and a crawling mechanism, and the transmission mechanism is connected with the underwater motor and the crawling mechanism; the isolation mechanism comprises a housing and a water inlet assembly arranged on the lower portion of the housing. The bottom of the housing comprises an intercepting piece with a gap. The disturbance mechanism is in sealed connection with the housing, at least one part of the disturbance mechanism is arranged in the housing, and bottom mud and water in the housing are stirred to form a mud-water mixture; an inlet of the muddy water extracting mechanism is in sealed connection with the housing, an outlet of the muddy water extracting mechanism is connected with a muddy water pipeline, and a muddy water mixture in the housing is extracted out of the underwater robot through the muddy water pipeline. The underwater robot can run at the bottom of a river channel to extract sludge on a riverbed without cutoff, and is suitable for various underwater operation environments.

The application discloses a Buzhong Yiqi tablet pressing device, and relates to the field of medicine tablet pressing, which comprises a fixed base. The Buzhong Yiqi tablet pressing device can continuously and stably work through the action of a punching mechanism. Raw materials are placed in a lower hopper, the lower hopper places the raw materials in a hollow column, the operation of a control motor is controlled, the output end of the motor drives gear rotation, thereby driving outer gear ring rotation, the rotating disc drives the outer gear ring to rotate, thereby rotating the next hollow column to the bottom of the lower hopper, so that the raw materials flow into the hollow column. When the hollow column filled with the raw materials rotates to the bottom of the punching cylinder, the operation of the punching cylinder is controlled, the punching cylinder moves the output end to the hollow column, the raw materials are compacted, the rotation of the rotating disc is controlled, the next hollow column is rotated to the bottom of the punching cylinder, and the raw materials are compacted again. The raw materials in the hollow column are continuously and uninterruptedly compacted in a circumferential mode, the raw materials can be continuously compacted, and the punching efficiency of the Buzhong Yiqi tablet is improved.

The application relates to the field of testing and aims to solve the problem of low testing efficiency, and provides a display screen testing method, electronic equipment and computer storage medium. The display screen testing method is applied to electronic equipment including N display screens, N is an integer greater than or equal to 2, the method comprises the following steps: obtaining the testing configuration of a current testing scene; obtaining the multi-screen configuration attribute of the testing configuration, the multi-screen configuration attribute is used for indicating the target display screen to be tested in the current testing scene; determining M target display screens to be tested in the N display screens according to the multi-screen configuration attribute, M is an integer greater than or equal to 2, and M is less than or equal to N; obtaining the screen information of the M target display screens; controlling the M target display screens to display according to the screen information of the M target display screens; and applying corresponding stress to the displayed M target display screens according to the current testing scene. Two or more target display screens to be tested can be configured in the testing scene, and the testing efficiency is improved.

The utility model provides a chip feeding structure, and relates to the technical field of chip processing equipment, the chip feeding structure comprises a processing box, and also comprises a feeding connecting box, the feeding connecting box is arranged at one side of the processing box, the chip feeding structure is provided with the processing box, the feeding connecting box, a recovery tank, an operation cavity and a feeding mechanism, when the chip feeding structure is used, a control panel is opened, and the processing box is opened; the first positioning bolts are used for reinforcing and connecting the second mounting frame and the third supporting table and reinforcing and connecting the second mounting frame and the second supporting table, and when the height of the mounting bottom plate is adjusted, the limiting sliding rods can slide out of the tops of the limiting sleeves for buffering protection treatment; different types of raw materials can be conveniently connected and conveyed through the second storage tank and the first storage tank, electric power resources are provided for normal use of the equipment through the storage battery, the whole structure is simple and easy to operate, the use requirement is met, subsequent maintenance and disassembly are convenient through a bolt connection mode, and the service life of the equipment is prolonged. And the labor intensity during maintenance is reduced.

The present invention belongs to the technical field of electric ship charging equipment, and mainly relates to a movable intelligent charging dock, including a dock body and a charging mechanism, the charging mechanism including a charging module and a charging socket, the charging module including a linear drive component, a mounting seat, a swing arm and a charging plug; the swing arm includes a plurality of movable arms, each movable arm includes a torsion spring, a front fixing seat, a rear fixing seat and a follower cover, the front fixing seat and the rear fixing seat are arranged at intervals, one end of the torsion spring is fixed on the follower cover, and the other end of the torsion spring is fixed on the front fixing seat; a maintaining component is provided between the front fixing seat and the rear fixing seat; the rear fixing seat of the front movable arm is fixedly connected to the front fixing seat of the rear movable arm, the front fixing seat of the frontmost movable arm is fixedly connected to the mounting seat, and the rear fixing seat of the rearmost movable arm is connected to the charging plug; the charging socket includes a trumpet-shaped guide shell whose diameter gradually decreases from the outside to the inside.

This invention discloses a high-pressure forming apparatus and method for graphene high-speed steel bearings. The apparatus includes a human-machine interface system, an automatic loading and unloading system, a high-pressure forming system, and a control system. The method is as follows: First, the high-speed steel bearing is placed on a vibrating conveyor belt and transported to a bearing mounting base. After a proximity switch sensor detects the high-speed steel bearing, the main controller controls a magnetic mechanical gripper to remove the high-speed steel bearing from the bearing mounting base and place it between high-pressure forming molds. Then, a lower layer of graphite material is laid on the base of the high-pressure forming mold, and the high-speed steel bearing is placed in the inner ring of the mold. The upper cover of the high-pressure forming mold is lowered to cover the bearing, and a plug is placed in the inner ring of the upper cover of the high-pressure forming mold before laying the upper layer of graphite material. Finally, the high-pressure forming system is activated, and the high-pressure forming ejector pin performs double-sided forming on the upper and lower end faces of the high-speed steel bearing. This invention achieves high-pressure forming of graphite material for graphene high-speed steel bearings, with a high degree of automation, improving production efficiency and product quality.

This application discloses an adjustable embossing roller for tissue paper embossing, relating to the field of tissue paper embossing. It includes symmetrically arranged fixed plates, with an adjustment mechanism on one side of each fixed plate and a dust extraction mechanism on the outer side of the adjustment mechanism. This invention, through the adjustment mechanism, can adjust the vertical movement of the lower embossing roller, thereby adjusting the distance between the lower and upper embossing rollers. It controls the operation of a servo motor, whose output drives a forward and reverse lead screw to rotate. With the assistance of two limit rods, the two outer sliding plates of the lead screws move simultaneously in the same or opposite directions. As the sliding plates move, they cause a connecting rod to fold, thereby raising the limit plates vertically. At this time, the two ends of the lower embossing roller move within a groove. The movement of the lower embossing roller adjusts the distance between it and the upper embossing roller, thus adapting to the need for greater embossing depth on tissue paper.

The utility model provides a stainless steel plate fixing auxiliary device, and belongs to the technical field of stainless steel plate machining. The stainless steel plate fixing auxiliary device comprises a butt joint mechanism and a fixing mechanism, the butt joint mechanism comprises a base, a moving groove is formed in the center of the upper end face of the base, a two-way lead screw is rotationally connected into the moving groove, the upper end of the two-way lead screw is sleeved with a sliding block, and mounting grooves are formed in the two sides of the upper end face of the base; the fixing mechanism comprises a pair of fixing plates, the fixing plates are arranged on the two sides of the upper end face of the base correspondingly, the bottom ends of the fixing plates are fixedly connected with the upper end faces of the sliding blocks correspondingly, second sliding grooves are formed in the two sides of the upper end face of each fixing plate correspondingly, and the two ends of each pair of second sliding grooves are slidably sleeved with clamping plates correspondingly. According to the stainless steel plate fixing auxiliary device, the practicability of the stainless steel plate fixing auxiliary device can be effectively improved, and the stainless steel plate fixing auxiliary device has high practical value.

The utility model relates to the field of controllers, in particular to an electric vehicle controller which comprises a conical barrel and a circuit board, a conducting strip is arranged on the circuit board, a positive binding post and a negative binding post are arranged on the conducting strip, and the positive binding post and the negative binding post are correspondingly connected to the positive electrode and the negative electrode of a power source respectively. The circuit board is provided with an input end, and the input end is used for inputting a control signal; the circuit board is provided with a three-phase binding post, the three-phase binding post is used for being connected with a motor, and after signals are input into the circuit board from the input end, the signals are transmitted to the motor and control rotation of the motor. The positive binding post and the negative binding post are externally connected with a power source to provide power for the circuit board, the input end can input external control signals to the circuit board, the circuit board controls the motor connected with the three-phase binding posts, and operation of the motor can be controlled only through connection of one set of three-phase binding posts and the motor.

The utility model discloses a motor test system, control terminal for issuing control instruction, main control board, connection control terminal for resolving and issuing control instruction, a plurality of motor equipment respectively with main control board electric connection, controlled to main control board, cloud ware, connection control terminal, send remote control instruction to control terminal, pass through control terminal and carry out remote control, and main control board feedback motor test data to control terminal, and control terminal will motor test data send to cloud ware storage. Control terminal issues control instruction, realizes control multi -motor operation, and test data feedback to control terminal and pass through control terminal real -time display, and through control terminal and upload to cloud ware storage, in addition still can realize remote control motor test, improve test efficiency.

The utility model discloses an environmental protection device and a closed type coal conveying belt dust removal device thereof, and relates to the technical field of environmental protection equipment, and the closed type coal conveying belt dust removal device comprises an anti-dissipation channel arranged along the running direction of a coal conveying belt, the anti-dissipation channel comprises two vertical plates arranged on the two sides of the coal conveying belt and a horizontal top plate horizontally arranged above the two vertical plates. The horizontal top plate is provided with an opening used for penetrating through the dust collection channel, and one end of the dust collection channel is communicated with the opening; and the other end of the dust collection channel is communicated with the dust collection device, and the dust collection device is used for sucking the coal dust in the dissipation prevention channel into the dust collection channel and filtering the coal dust. The device can effectively reduce coal dust which is generated when the coal feeder works and floats in the air, and pollution of the coal dust to the environment is reduced.

The present invention provides an interference-resistant cascade hydropower station multi-level linkage rapid real-time optimization method and system, which relates to the field of cascade hydropower station group scheduling. The method comprises: establishing an initial cascade hydropower station scheduling model, wherein the input of the cascade hydropower station scheduling model comprises the planned loads and the inflow flow of the cascade hydropower station at multiple continuous scheduling time points included in a scheduling cycle; converting the initial cascade hydropower station scheduling model into a model-free Markov decision model with a continuous state space and a continuous action space; training the Markov decision model to obtain the cascade hydropower station scheduling model; obtaining a current scheduling task, wherein the current scheduling task comprises the planned loads and the inflow flow of the cascade hydropower station at multiple continuous future scheduling time points included in a target future scheduling cycle; scheduling the cascade hydropower station group based on the current scheduling task through the cascade hydropower station scheduling model, which has the advantage of improving the effectiveness of the scheduling of the cascade hydropower station group.

The present invention provides a power unit and a power device having the same, wherein the power unit comprises: a substrate, wherein a first terminal conductive part, a chip conductive part and a second terminal conductive part are sequentially arranged in a first direction, and the chip conductive part is conductively connected to the second terminal conductive part; a chip is arranged on the chip conductive part, wherein a first side of the chip is connected to the chip conductive part, and a second side of the chip is conductively connected to the first terminal conductive part; a first diode is arranged on the second terminal conductive part; a control part is arranged on the substrate and connected to the chip, and the control part is arranged between the chip and the first diode. The technical solution of the present application effectively solves the problem of poor heat dissipation effect of the power unit in the related art.

The invention provides an intelligent welding system for an aluminum alloy automobile frame, and belongs to the technical field of intelligent welding systems.The intelligent welding system comprises a welding table, a rectangular frame, two sets of bearing rods, a length adjusting piece, a width adjusting piece, a frame welding piece, an overturning piece and a conveying piece, and a working cavity is formed in the top of the welding table; the rectangular frame is rotatably arranged in the working cavity; through cooperation of the welding table, the rectangular frame, the bearing rod, the adjusting piece, the welding piece, the overturning piece and the conveying piece, a complete welding process is formed, the working cavity provides a closed and stable working space for welding operation, the rectangular frame is rotatably arranged and can be matched with the overturning piece to achieve multi-angle welding positioning of a frame, and the problem of single-angle welding dead angles is solved; and the two sets of bearing rods and bearing pieces can stably bear the vehicle frame, the length adjusting piece and the width adjusting piece are matched with vehicle frames of different lengths and widths correspondingly, a special tool does not need to be replaced, and the universality of equipment is improved.

The application discloses a kind of fault diagnosis devices of thickness gauge high pressure system.The fault diagnosis device includes single-chip microcomputer (21), microcomputer display screen (22), high voltage regulating circuit (23), current regulating circuit (24) and interface module (25);Single-chip microcomputer can send control operating parameter to high voltage control unit by the serial interface (12) of high voltage control unit;Single-chip microcomputer can send control signal to high voltage control unit;High voltage regulating circuit can adjust the high voltage feedback voltage of high voltage control unit;Current regulating circuit can adjust the tube current feedback voltage of high voltage control unit;Operating microcomputer display screen sends instruction to high voltage control unit, controls the operation of high voltage control unit, receives the feedback data of high voltage control unit, and shows the feedback data of high voltage control unit on microcomputer display screen.The fault diagnosis device is used to diagnose the high pressure system of thickness gauge, and the fault point in high pressure system can be quickly determined.

The utility model discloses a corrosion-resistant cable for an automobile motor, and relates to the technical field of cables. The corrosion-resistant cable for the automobile motor comprises a cable main body, the cable main body comprises a plurality of wire cores, the corrosion-resistant cable also comprises a binding sleeve, the binding sleeve is arranged at the outer side of the wire cores, and the binding sleeve is used for wrapping the plurality of wire cores; the insulation assembly is arranged on the surface of the outer wall of the binding sleeve, and the insulation assembly is used for carrying out insulation treatment on the wire core; the heat insulation assembly is arranged on the surface of the outer wall of the insulation assembly, and the heat insulation assembly is used for carrying out heat insulation on the wire core; according to the cable for the automobile motor, multiple protection can be provided for the cable for the automobile motor, so that the external influence on the cable for the automobile motor can be reduced, the corrosion resistance of the cable for the automobile motor can be improved, the service life of the cable for the automobile motor can be prolonged, and the safety of the cable for the automobile motor can be improved.

The application relates to the technical field of electric measurement and fault diagnosis, in particular to a battery pack internal micro-short circuit electric fault online detection device. The device comprises a host module and a collection module connected with the host module through a communication line, the collection module is connected with the positive and negative poles of a battery pack through a collection line, a joystick and a clamping mechanism are arranged on the collection module, the joystick is slidably arranged around the collection module through a limiting assembly, the communication line is controlled through the joystick, since the end of the joystick is close to the side wall of the vehicle body, the communication between the communication line and the communication port of the collection module can be controlled through the joystick without prolonging the communication line. Moreover, the sliding of the joystick also controls the operation of an electromagnet, so that the stability of the connection between the communication line and the communication port of the collection module in the non-repair state is ensured.

This utility model relates to the field of graphene slurry production, specifically a production apparatus for high-pressure exfoliation to prepare graphene slurry, including an equipment chamber; a graphite slurry tank is fixedly installed at the bottom inner side of the equipment chamber, and a graphite pretreatment mechanism is installed on the graphite slurry tank; a high-pressure plunger pump, a processing reactor, and a supercritical carbon dioxide tank are fixedly installed at the bottom inner side of the equipment chamber; a connecting pipe is installed between the input end of the high-pressure plunger pump and the bottom of the graphite slurry tank; a reactor cover is detachably installed on the top of the processing reactor, and a slurry spraying and exfoliation mechanism is installed on the reactor cover; a material valve is fixedly installed on the top of the supercritical carbon dioxide tank, and a material conveying pipe is fixedly installed on the material valve; a supercritical carbon dioxide feed pipe is fixedly installed on the reactor cover, and a supercritical carbon dioxide dosimeter is fixedly installed on the supercritical carbon dioxide feed pipe; and a secondary slurry exfoliation mechanism is installed on the reactor cover, which can improve the effect of exfoliation to prepare graphene slurry.

This invention discloses a method, equipment, and storage medium for controlling aluminum profile extrusion, belonging to the field of aluminum profile technology. The invention acquires target sensing data, including exit temperature data, die vibration data, main extrusion pressure data, and extrusion speed data; determines a feedforward compensation amount based on the main extrusion pressure data and the extrusion speed data; determines gradient correction parameters based on historical temperature rise data and billet length data; and determines a speed constraint coefficient based on the die vibration data. The extrusion equipment is then controlled based on the feedforward compensation amount, the gradient correction parameters, the speed constraint coefficient, and the exit temperature data, achieving the beneficial effect of reducing the probability of defects during aluminum profile extrusion.

The application discloses a cooling and heat dissipation method and system of an energy storage power supply, and the cooling and heat dissipation method comprises the following steps: acquiring the discharging power of the energy storage power supply in real time, and calculating the real-time heat generation of the energy storage power supply; comparing the size of the real-time heat generation and the heat generation threshold value; when the real-time heat generation of the energy storage power supply is lower than or equal to the heat generation threshold value, starting the cooling circulation single loop, and according to the real-time heat generation of the energy storage power supply, calculating the conventional refrigeration power of the liquid cooling unit, and controlling the liquid cooling unit to operate at the conventional refrigeration power; when the real-time heat generation of the energy storage power supply is higher than the heat generation threshold value, starting the cooling circulation double loop, and according to the real-time heat generation of the energy storage power supply, calculating the rapid refrigeration power of the liquid cooling unit, and controlling the liquid cooling unit to operate at the rapid refrigeration power. The application can accurately match the cooling power of the liquid cooling unit according to the heat dissipation state of the energy storage power supply, and has the function of rapid cooling when the energy storage power supply is subjected to large-rate charging and discharging.

This invention relates to the field of greenhouse planting technology, providing a water circulation temperature control buffer system and control method for a solar greenhouse. The system includes an underground water storage tank, a main greenhouse structure, a water circulation component, and a control module. The water circulation component includes a circulation pump, a heat pump unit, and a temperature control unit. The circulation pump is located between the water storage tank and the water storage tank, forming a fluid loop. The heat pump unit is connected to the water storage tank via a circulation pipeline. The inlet of the temperature control unit is connected to the water storage tank, and the return end is connected to the water storage tank. The temperature control unit includes a heat dissipation module and a heat absorption module connected in parallel. The heat dissipation module cools the circulating water in the system, while the heat absorption module cools the interior of the main greenhouse structure. The water storage tank is higher than the temperature control unit. This invention utilizes the elevation difference to create a pressure difference to promote water circulation and achieves low-energy cooling through the heat absorption module, solving the problems of low thermal efficiency and high operating costs associated with other water circulation temperature control methods. The entire system has a simple structure, low cost, and is easy to manufacture and use.

The utility model relates to a vehicle-mounted screen eccentric type spring friction plate damping mechanism which comprises an output rotating shaft assembly and a damping assembly, one end of the output rotating shaft assembly is provided with a screen fixing support, and the screen fixing support is used for being connected with a screen; the side, connected with the lower end face of the screen fixing support, of the output rotating shaft assembly is connected with the damping assembly. A magnetic braid is arranged at the other end of the output rotating shaft assembly, and the magnetic braid and the output rotating shaft assembly are arranged in a spaced mode and used for feeding back the rotating angle. The beneficial effects of the utility model are that the output rotating shaft assembly outputs torque to drive the display screen to rotate, and the damping assembly overcomes the torque generated by the acceleration on the screen when the vehicle is braked at a high speed or passes through a deceleration strip and the like in the driving process; the rotation angle of the output rotating shaft assembly is accurately fed back through the magnetic encoder arranged under the output rotating shaft assembly, so that the rotation angle of the screen is controlled, and the position angle of the damping assembly is guaranteed.

The utility model discloses a medicine feeding device for ecological environment protection, which comprises a support, each vertical rod of the support is fixedly connected with a frame on the upper side through an inclined rod, and the medicine feeding device is characterized in that a conical medicine storage box is fixed in the frame on the upper side of the support; an opening is formed in the lower side of the conical medicine storage box, the opening in the lower end of the conical medicine storage box is fixedly connected with a square discharging channel, a square opening is formed in the lower portion of one end of the square discharging channel, and medicine baffles are fixedly connected to the two sides of one end of the square discharging channel respectively. The utility model relates to the technical field of ecological protection, in particular to medicine feeding equipment for ecological environment protection. According to the utility model, drugs can be conveniently put so as to improve the ecological environment of the river channel.

The utility model discloses a combined type ceramic plate with heating and heat preservation functions, which relates to the technical field of ceramic plate equipment and comprises a ceramic plate, a gas conveying bin, a heating device and a heat preservation device. The beneficial effects of the utility model are that the ceramic plate, the heat preservation base plate, the heating plate and the heating assembly are arranged, when in use, the top of the ceramic plate is installed through the sealing heat preservation ring, the ceramic plate is assembled with the gas conveying bin through the cooperation of the connecting plate, and the third air outlet seam and the first air outlet seam are used for heating gas conveying to cooperate with temperature conduction operation; heating gas is conveyed through the air inlet cavity in the bottom of the heat preservation bottom disc, heat preservation treatment is conducted on the ceramic disc through the sealing heat preservation ring and the heat preservation inner pad, and therefore it is guaranteed that the heating gas gradually enters the bottom of the ceramic disc, the overall heating and heat preservation effect of the ceramic disc is achieved, the overall structure is simple and easy to operate, and daily cleaning treatment is convenient; and meanwhile, the overall use flexibility is improved.

The invention discloses a pollutant sampling device for water pollution treatment and detection in the technical field of pollutant sampling, and the pollutant sampling device comprises a shell, a plurality of sampling barrels are mounted in the shell, and the sampling barrels are in sliding fit with the inner wall of the shell; a threaded rod is fixedly connected in the shell, and a rotating assembly for driving the sampling barrel to vertically move is arranged on one side, close to the threaded rod, outside the sampling barrel; a water taking assembly for collecting water is arranged in the sampling barrel; an adsorption assembly for adsorbing pollutants is arranged on one side, far away from the water taking assembly, in the sampling barrel. By adopting the efficient adsorption material, pollutants such as organic matters, heavy metal ions, microbial residues and suspended particles in water can be adsorbed in a targeted manner, and data support is provided for pollution source analysis and environmental risk assessment.