35results about How to "Cases to prevent backflow" patented technology

The invention discloses an air conditioner, comprising a hang-up, wherein the air outlet of the hang-up is provided with an air deflector which can swing along the vertical direction and has adjustable extension width. The invention also discloses a wind direction control method of the air conditioner, comprising the following steps: enabling the air deflector to rotate at the vertical direction of the air outlet and enabling the air deflector to be in a width extension state; and enabling the air deflector width to be shrunk and closing the air outlet when the air conditioner is closed. The air conditioner in the invention can improve air path short circuit phenomenon, enhance heat exchange efficiency, increase airflow injection distance and boost air conditioner comfort. By the method in the invention, airflow reflux can be effectively prevented when the air conditioner is in use, and the air deflector width can be shrunk so as to close the air outlet when the air conditioner is closed, thus preventing foreign matters from entering and having elegant appearance.

The invention discloses an infusion monitoring alarm method, user equipment, a storage medium and a device. The method comprises the following steps: preprocessing a detection image returned by a camera device in real time to generate an original monitoring image, filtering out an image background in the original monitoring image, and generating an intermediate monitoring image; extracting the edge of the intermediate monitoring image to obtain an edge image, and subtracting the edge image from the intermediate monitoring image to generate a target monitoring image; carrying out binarization processing on the target monitoring image to generate a binarized image, and carrying out negation on the binarized image; obtaining the standard deviation of the binary image after negation; and comparing the standard deviation with a preset value, and if the standard deviation is smaller than the preset value, sending an alarm signal to a preset terminal. According to the technical scheme, the liquid level condition in the infusion container is recognized through image detection, and when the liquid level in the infusion container reaches the set liquid level, alarm information is sent out.

The invention discloses a multifunctional transfusion chair and relates to a medical instrument. The multifunctional transfusion chair comprises a chair body, the chair body is constituted by a seat plate, baffles, a backup plate and supporting legs, the backup plate is arranged at the right side of the top face of the seat plate, the baffles are arranged at the front side and the rear side of the top face of the seat plate respectively, the support legs provided with omni-directional wheels are arranged at the four corners of the bottom end of the seat plate, a clamping part is arranged at the middle end of the inner side of each supporting leg, and a drawing-and-pulling type article storage plate is arranged on the clamping parts; a grab handle is arranged at the upper end of the right side face of the backup plate, a containing box is arranged at the lower end of the grab handle, a battery box is arranged at the rear end of the containing box, an extending-and-contracting transfusion rack is arranged at the rear end of the battery box, and the top end of the battery box is connected with a remote controller through a wire; the baffles are provided with grooves and fixed plates, the left sides of the top ends of the baffles are connected with a small article storage plate through a rotating assembly, and each fixed plate is connected with the corresponding groove through a bottom end support frame and can be retracted for being placed in the corresponding groove. The multifunctional transfusion chair is suitable for both an adult and a child, abundant in function, easy and convenient to operate and great in practicability.

The invention provides an energy storage type lithium battery pack battery management system. The system comprises a charging input end, a charging relay control end, a charging voltage acquisition end, a communication end, a load request switch input end, a single cell voltage acquisition line, a battery management unit, a temperature sensor acquisition line, a temperature sensor, a battery module, a battery pack cathode, a cooling system, a heating system, a cooling power supply input end, a heating power supply input end, a single lithium battery pack, a temperature management relay control end, a load relay control end, a battery pack anode, a power output end, an output end current sensor and an input end current sensor. The system is complete in functions, high in integration level,centralized in strategy and high in reliability.

The invention discloses a transfusion medicine determining method, device, intelligent device, system and storage medium, and relates to the technical field of the medical monitoring. The method comprises the following steps: to obtain an identity label of a medicine to be transfused; according to the identity label, determining medicine capacity information of the medicine to be transfused; sending the medicine capacity information to a transfusion monitor for placing the medicine to be transfused, and enabling the transfusion monitor to determine residual soup dosage in a transfusion processaccording to the medicine capacity information. The above solution is used for solving a technical problem that the transfusion monitor cannot confirm the residual soup dosage accurately.

The invention provides a slurry circulating slag discharging system for a shaft heading machine, The system comprises a slurry inlet pipeline, a slurry discharge pipeline, a flushing pipeline, a bypass pipeline and a slurry treatment device, wherein one end of the slurry inlet pipeline is connected with the slurry treatment device, the other end of the slurry inlet pipeline is arranged in an excavation bin of the heading machine, slurry treated by the slurry treatment device is conveyed into the excavation bin, one end of the slurry discharge pipeline is arranged in the excavation bin, the other end of the slurry discharge pipeline is connected with the slurry treatment device, the slurry in the excavation bin is conveyed to the slurry treatment device through the slurry discharge pipeline, the flushing pipeline is connected with slurry discharge ports, located in the excavation bin, of the slurry inlet pipeline and the slurry discharge pipeline, the slurry discharge ports are dredgedthrough the flushing pipeline, the bypass pipeline is connected with the slurry inlet pipeline and the slurry discharge pipeline, and a slurry conveying cycle is formed between the slurry inlet pipeline, the bypass pipeline, the slurry discharge pipeline and the slurry treatment device. The slurry circulating slag discharging system integrates circulating slag discharging and slurry discharge portdredging functions, and the bypass pipeline is arranged to facilitate maintenance of the system.

The invention discloses a sewage treatment device with sterilization and indoor heating functions. The device consists of: a second filter screen, an air cylinder, electric heating blocks, heat dissipating fins and a placement plate. The second filter screen is disposed for further filtering of the sewage entering a filter box, thereby improving the sewage filtration effect, the air cylinder is utilized to drive a piston to move downward in the filter box to extrude the sewage in the filter box, thus accelerating the speed of the sewage passing through the second filter screen, thus improvingthe sewage filtration efficiency, the electric heating blocks are employed to heat the sewage entering a sterilization box, thus realizing the purpose of high temperature sterilization of the sewage and improving the equipment practicability, the heat dissipating fins are disposed for increasing the heat dissipating area of a heating box, thus realizing the purpose of heating the indoor with the heat of the sewage in the heating box, realizing full utilization of heat, saving resources and improving the equipment practicability.

The invention relates to the technical field of medical instruments, and discloses a peritoneal dialysis monitoring device which comprises a telescopic rod, a flow stopper is arranged on the outer wall of the bottom end of the telescopic rod and comprises a supporting lantern ring, the supporting lantern ring is fixedly arranged on the outer wall of the bottom end of the telescopic rod in a sleeving mode, and a temperature control box body is fixedly connected to the top face of the telescopic rod. A temperature guide device is arranged in the temperature control box body and comprises a temperature guide plate, the left face and the right face of the temperature guide plate are fixedly connected to the left inner wall and the right inner wall of the bottom end of the temperature control box body respectively, sliding grooves are formed in the top ends of the left inner wall and the right inner wall of the temperature control box body, an infusion support is arranged between the two sliding grooves, and a temperature monitor is arranged below the temperature control box body. The temperature monitor comprises a fixing frame A, the right face of the fixing frame A is fixedly connected with a fixing seat, a clamping plate is attached to the front portion of the fixing seat, the top side wall of the right end of the rear-end metal lantern ring is fixedly connected with a thermometer, the temperature of peritoneal dialysis liquid can be monitored more accurately, and the safety of peritoneal dialysis is effectively improved.

The invention discloses a resistance-free check valve with an energy-saving effect for a power station. The resistance-free check valve comprises a valve body, wherein a reinforced anti-corrosion anti-sticking mechanism is fixedly connected to the inner wall of the valve body, a first mounting valve seat is fixedly connected to one side of the valve body, a second mounting valve seat is fixedly connected to the other side of the valve body, a circulation port is formed in the inner wall of the first mounting valve seat, and a positioning flange is arranged on the outer side surface of the first mounting valve seat. According to the resistance-free check valve with the energy-saving effect for the power station, a lubricating type adjustable check mechanism, the reinforced anti-corrosion anti-sticking mechanism and a multifunctional monitoring mechanism are arranged, so that fluid check operation can be conveniently and better carried out in a channel, a good lubricating effect is achieved, the resistance is almost zero, the use strength of the device can be improved, the service life of the device can be prolonged, the anti-corrosion effect is excellent, the internal use condition can be conveniently monitored, the use function of the device is increased, and a better use prospect is brought.

The invention discloses a municipal sewage pipeline, which comprises a main flow pipe, a connecting flange and a branch flow pipe, the connecting flange is arranged at the end of the main flow pipe, the branch flow pipe is fixed and communicated to the surface of the main flow pipe and is close to the end, and a flow inlet, a flow outlet, a horn-shaped flow guider and a backflow prevention device are arranged in the main flow pipe. The flow inlet is formed in the end of the main flow pipe and close to the branch flow pipe, the flow outlet is formed in the end, away from the flow inlet, of the main flow pipe, and the horn-shaped flow guider is fixed in the main flow pipe and located at the flow inlet. And the backflow prevention device is arranged in the main flow pipe, is close to the horn-shaped fluid director and is connected with the branch flow pipe in a matched manner. The invention relates to the technical field of municipal sewage disposal equipment. According to the municipal sewage pipeline, the purpose of backflow prevention is achieved, sewage backflow can be effectively prevented, the influence caused by sewage backflow is reduced, the service life of equipment is prolonged, the sewage discharge efficiency is high, and the use performance is improved.

The invention discloses a water conservation-used pipeline. The pipeline comprises a water inlet, a water conservation pipeline body, a first fixing and connecting disc, a water outlet pipe, a water outlet and a connecting pipeline, wherein the water inlet is formed in one side of the water conservation pipeline body, a water inlet pipe is arranged on one side of the water inlet, a silt filteringaway device is arranged at a joint between the water inlet pipe and the water inlet through a connecting seat, the top of the water inlet pipe is provided with a water suction pump through a screw rod, the bottom of the water inlet pipe is provided with an industrial water purifier through a connecting seat, the working end of the industrial water purifier is located in the water inlet pipe, one side of the water inlet pipe is provided with the first fixing and connecting disc through a high-strength bolt, one side of the first fixing and connecting disc is provided with the connecting pipeline, one end of the connecting pipeline is provided with a check valve through a placing frame, and the top of the connecting pipeline is provided with a hydraulic pressure gauge through a connecting seat. The water conservation-used pipeline is powerful in function, scientific in design, convenient to operate, good in stability, high in reliability and suitable for wide popularization.

The invention discloses an anti-clogging high-efficiency engine oil filter, which comprises a housing and a filter cartridge, an oil flow cavity is provided in the filter cartridge, an upper end cover is connected to the top end of the filter cartridge, and a lower end cover is connected to the bottom end of the filter cartridge , the upper end cover is provided with a first through hole matching the oil flow chamber, the lower end cover is provided with a second through hole matching the oil flow chamber, the lower end cover, the The upper end cover and the filter cartridge are connected by heat sealing, and several positioning blocks are fixed at the bottom of the upper end cover. Beneficial effects: the backflow suppression shrapnel is used to prevent oil backflow, and the device is convenient to disassemble and replace various parts, thus achieving the effect of energy saving. Increase the service life of the drive motor, and through the set ultra-fine wire mesh, it can filter the oil impurities for the last time and improve the oil filtering effect.

The invention discloses a sampling gun for preventing liquid return, relates to the technical field of sampling guns, and comprises a main body of the sampling gun, a non-return assembly, a tip assembly and a reinforcement assembly. One side of the main body of the sampling gun is provided with a Anti-slip pattern, and the piston press head is installed above the main body of the sampling gun, the non-return assembly is fixed below the main body of the sampling gun, and the non-return assembly includes a liquid inlet pipe, a non-return chamber, a flow channel, a mounting frame, A high-pressure air bag, bellows and a jacking baffle, a liquid inlet pipe is connected to the lower end of the main body of the sampling gun, and a non-return cavity is installed outside the main body of the sampling gun. The liquid-return prevention filling gun makes the high-pressure air bag and the bellows drive the upper lifting baffle to closely fit on the lower outside of the liquid inlet pipe through the check assembly, which can block the liquid inlet pipe and prevent liquid backflow. When adding samples, the micro suction cup with inclined structure can be closely attached to the inner wall of the container, which can avoid the occurrence of air bubbles during pipetting caused by hand shaking.

The invention relates to the field of water pumps, in particular to a pressurized anti-reflux water pump which comprises a water pump body, an inlet and outlet mechanism, an inlet pipe, a discharge pipe, an anti-reflux mechanism, a placement barrel, a sealing plug, a sealing ring, a blocking rod, an inner frame, a limiting rod, a sliding block, an exhaust mechanism, an exhaust pipe, an air plug, an abutting rod, a connecting block, a first spring, an air guide rod, a floating ball and a filtering mechanism. After water enters the inlet pipe, due to the impact force of water flow, the bottom end of the blocking rod can be extruded and pushed, at the moment, the blocking rod can slide in the inner frame and is gradually lifted, at the moment, the water flow can flow into the inlet pipe in the water pump main body from the opened notch and is finally discharged through the discharge pipe, and after the water pump main body stops working, the blocking rod can slide in the inner frame. When the water pump is used, due to the fact that the blocking rod is not impacted by water flow any more, the blocking rod can fall mainly under the action of gravity to block the notch in the inlet pipe again, and therefore the situation that water stored in the water pump body flows back can be prevented when the water pump is used, and inconvenience in use is avoided.

The invention discloses a multifunctional energy-saving resistance-free check valve applied to a power station. The multifunctional energy-saving resistance-free check valve comprises a valve body, the inner wall of the valve body is fixedly connected with a reinforced anti-corrosion and anti-sticking mechanism, one side of the valve body is fixedly connected with a first installation valve seat, and the other side of the valve body is fixedly connected with a second installation valve seat. A circulation opening is formed in the inner wall of the first installation valve seat, and a positioning flange is arranged on the outer side face of the first installation valve seat. According to the multifunctional energy-saving resistance-free check valve applied to the power station, a lubricating type adjustable check mechanism, the reinforced type anti-corrosion and anti-sticking mechanism and a multifunctional monitoring mechanism are arranged, fluid backflow stop operation can be conveniently and better conducted on the interior of a channel, the good lubricating effect is achieved, and resistance is almost zero. The use strength of the device can also be improved, the service life of the device can also be prolonged, the anti-corrosion effect is excellent, the internal use condition can be conveniently monitored, the use function of the device is increased, and better use prospects are brought.

The invention provides a compressor and an air conditioner. The compressor comprises a rotor (1), wherein a rotor circulation hole (11) penetrating through two axial end surfaces is formed in the rotor (1); a non-return device (2) is arranged on one axial end surface of the rotor (1), and comprises a conical valve (21); the conical valve (21) is inserted into the rotor circulation hole (11) and can be shocked by an air flow in the rotor circulation hole (11), so that the conical valve (21) opens the rotor circulation hole (11); and the conical valve (21) can be further shocked by an air flow on one side, reversed to the rotor, of the conical valve (21) so as to close the rotor circulation hole (11). Through the compressor and the air conditioner provided by the invention, the occurrence ofthe phenomenon that a refrigerant reflows from the rotor circulation hole in the working process of the compressor is effectively prevented, the refrigerating capacity of the compressor is effectively improved, and the power consumption of the compressor is reduced.

The invention discloses real-time monitoring equipment for ecological flow discharged by water conservancy and hydropower engineering, which structurally comprises a main body, data conversion equipment and a fixing block, the data conversion equipment is arranged in the middle of the top of the main body, and the fixing block is located at the side end of the top of the main body; the main body comprises a flow collecting block, a turbine device and a back flow block, the back flow block comprises a conversion block, a rotating shaft, blades and a flow rectifying device; the flow rectifying device comprises a flow rectifying block, a water through hole, a flow guiding device and a flow smoothing block; the water through hole comprises a water through groove, a flow guiding port, a partition plate and a flow smoothing plate; and the partition plate comprises a plate body, a sand filtering hole and a sand guiding block. According to the invention, the sediment mixed in water flow is guided backwards through the water passing grooves in the rectification blocks, the situation that the sediment flows backwards along with the water flow from the water passing grooves is prevented, the situation that the rotating speed of the rotating shaft is increased due to the fact that the sediment is mixed in the water flow is avoided, and the equipment can accurately monitor the water flow.

The invention discloses an industrial washing machine. The industrial washing machine comprises a washing machine body, an outer barrel cleaning device and a machine body top cleaning device. The outer barrel cleaning device comprises a high-pressure water spraying pipe, a rotating joint, a high-pressure water electromagnetic valve and an ultraviolet disinfection lamp, the high-pressure water spraying pipe is arranged on the outer wall of a liner cylinder of the washing machine, and a plurality of water spraying holes facing the inner wall of an outer barrel are formed in the high-pressure water spraying pipe; the rotating joint is arranged on a main shaft of the liner cylinder and is connected with the high-pressure water spraying pipe; the high-pressure water electromagnetic valve is arranged at the water inlet; the ultraviolet disinfection lamp is mounted on the outer wall of the liner cylinder; and the machine body top cleaning device comprises U-shaped plates arranged on the two sides of the top of the washing machine body, a servo motor, a screw rod, a threaded block, a cleaning plate and a cleaning wiper. The industrial washing machine is simple in structure, convenient to operate and high in safety performance, after linen washing is completed, the cleaning and disinfecting functions are automatically started, and the sanitary effect of the washing machine is guaranteed.

The invention relates to the technical field of coatings, in particular to a novel spraying system which comprises an input box, an output port of the input box is fixedly connected with a sixth electromagnetic valve, a second flow meter is arranged on one side of the sixth electromagnetic valve, a sixth pressure regulating valve is arranged on one side of the second flow meter, and a valve block is arranged on one side of the sixth pressure regulating valve. The device has the beneficial effects that through the action of a sixth electromagnetic valve, paint fed into a feeding box from the outside can be conveyed into the whole system for use, through the action of a second flow meter, the amount of the paint conveyed into the system is metered, statistics is facilitated, the phenomenon of excessive feeding is prevented, and through the action of a sixth pressure regulating valve, the paint can be conveniently fed into the system. The circulating speed of the real coating in the system is controlled, the situation that the coating flows back is prevented through the effect of a second one-way valve, and it is guaranteed that the coating in the system does not exceed the bearable range of the system through the effect of a third filter.

The invention provides a post-processing method for building material aluminum-plastic panels, which is completed by the cooperation of a base, an air suction device, a U-shaped frame, an electric slider, a sliding plate, a sealing frame, two cleaning devices and a linkage wire drawing device , the present invention can solve the problem that in the wire drawing process, more scraps will be generated, which will splash to various positions on the end surface of the aluminum-plastic plate after they are formed, and these scraps are difficult to collect due to their small amount and small volume, and The shavings left on the aluminum-plastic plate affect the wire drawing of the mould. When the mold is in contact with the shavings and adheres to the surface of the mold, when the mold is drawn again with the aluminum-plastic plate, the shavings adhered will affect the texture after drawing , At the same time, the surface drawing of a single mold is prone to have different texture depths, which reduces the aesthetics of the surface of the aluminum-plastic panel.

The invention discloses industrial wastewater treatment equipment convenient to install and maintain, which structurally comprises a main body, a control panel and an air pump, wherein the control panel is arranged at the side end of the main body, the air pump is installed at the front end of the control panel, and the main body comprises an adjusting tank, a water inlet, a material guiding belt, a water storage tank, a filtering device and a bubble generating machine. The filtering device comprises a supporting body, a lifting groove, a filtering plate and a limiting block, the filtering plate comprises a frame, the supporting body, a filtering material plate and a clamping block, the frame comprises a frame body, an empty groove, a reset spring, a telescopic rod, a curved plate and an extension spring, and the curved plate comprises a plate body, a foam floating block and a rotating hole.The clamping block in the filtering plate is used to move in the lifting groove, the buoyancy of the filtering plate is kept on the water surface, the water surface can buffer water flow overflowing from the adjusting tank, the water flow is prevented from impacting paper scraps, and the paper scraps are prevented from entering the filter plate.

The invention discloses a transfusion monitoring and alarming method, user equipment, a storage medium and a device. In the present invention, the original monitoring image is generated by preprocessing the detection image sent back by the camera device in real time, the image background in the original monitoring image is filtered out, and an intermediate monitoring image is generated; the edge of the intermediate monitoring image is extracted to obtain an edge image, and the intermediate monitoring Subtracting the edge image from the image to generate a target monitoring image; performing binarization processing on the target monitoring image to generate a binarized image, and inverting the binarized image; obtaining the standard deviation of the inverted binarized image ; Comparing the standard deviation with a preset value, if the standard deviation is smaller than the preset value, sending an alarm signal to a preset terminal. In the technical solution of the present invention, the liquid level in the infusion container is recognized through image detection, and an alarm message is sent when the liquid level in the infusion container reaches the set liquid level.

The invention discloses a liquid return prevention sampling gun, which relates to the technical field of sampling guns. The liquid return prevention sampling gun comprises a sampling gun main body, a non-return assembly and a gun head assembly, wherein the outside of one side of the sampling gun main body is provided with antiskid lines, a piston pressing head is installed above the sampling gun main body, the non-return assembly is fixed below the sampling gun main body, the non-return assembly comprises a liquid inlet pipe, a non-return cavity, a flow channel, a mounting frame, a high-pressure air bag, a corrugated pipe and a jacking spoiler, the liquid inlet pipe is connected to the lower end of the middle part of the sampling gun main body, and the non-return cavity is formed in the outer part of the lower part of the sampling gun main body. According to the liquid return prevention sampling gun, the high-pressure air bag and the corrugated pipe drive the jacking spoiler at the upper end to be tightly attached to the outer side of the lower portion of the liquid inlet pipe through the non-return assembly, the liquid inlet pipe can be blocked, the situation of liquid return is prevented, and the micro suction cup of an inclined structure can be tightly attached to the inner wall of a container during sample adding; and the condition that bubbles appear during pipetting due to hand shaking can be avoided.

The invention relates to the field of sewage treatment devices, in particular to a sewage pipe treatment device, which includes a sewage pipe, a sewage intercepting structure, a floating matter collection structure, an anti-clogging structure, a decontamination structure and a sealing structure; When on the board, under the gravity of the rainwater, the impact plate can be pressed down, because the impact plate is fixedly connected with the fixed ring through the connecting rod, and because the end of the fixed ring near the inner side wall of the sewage pipe is provided with a brush, Therefore, in the process of pressing down on the impact plate, the brush can be driven to clean the inner side wall of the sewage pipe, thereby preventing oil from adhering to the inner side wall of the sewage pipe. Under the action of the elastic force, the impact plate can be reset, so that the brush can continuously clean the sewage pipe.

The invention discloses a multifunctional basin adopting an air bag for massage. The multifunctional basin comprises a first lifting device, a second lifting device, an anti-skid sleeve, a protectivecover, an anti-skid pad and a basin body, the first lifting device and the second lifting device are arranged so that a user can lift the basin body conveniently, and therefore the portability of thebasin is improved; by arranging an anti-skid sleeve, the friction force between the hand of a user and a third connecting rod is increased when the user holds the third connecting rod with the hand, so that the situation that when the user holds the third connecting rod with the hand, slipping occurs is avoided, and the practicability of the equipment is improved; by arranging the protective cover, when a user pours water into the using bin, the motor is prevented from being soaked in the water, so the function of protecting the motor is achieved; and by arranging an anti-skid pad, the friction force between the inner wall of a rotating groove and a rotating ball is increased, the rotating ball is prevented from rotating in the rotating groove under the condition that no external force isexerted on the rotating ball, and therefore the situation that the air outlet box shakes at will is further avoided.

The invention provides a compressor and an air conditioner. The compressor comprises a rotor (1). The rotor (1) is provided with rotor flow holes (11) running through the two axial end faces of the rotor (1), and one axial end face of the rotor (1) is provided with a check device (2). The check device (2) comprises switch valve blocks (21), the switch valve blocks (21) cover the rotor flow holes (11) and can be impacted by airflow in the rotor flow holes (11), so that the switch valve blocks (21) open the rotor flow holes (11), and the switch valve blocks (21) can also be impacted by airflow of the sides, opposite to the rotor, of the switch valve blocks (21) to close the rotor flow holes (11). By means of the compressor, the situation that a refrigerant flows back from the rotor flow holes in the work process of the compressor is effectively avoided, the refrigeration amount of the compressor is effectively increased, and the power consumption of the compressor is lowered.