40results about How to "Avoid frequent opening and closing" patented technology

The invention discloses niraparib granules with a high utilization efficiency and a preparation method thereof, and belongs to the technical field of medicine production. The components of the niraparib granules include niraparib, glucose, vitamin C and a carboxylesterase inhibitor. A granule packaging machine adopted in the preparation method comprises a storage bin and a transparent upper discharge pipe, wherein the transparent upper discharge pipe penetrates through the storage bin, the two sides of the upper discharge pipe are provided with an infrared emitter and an infrared receiver respectively, the infrared emitter and the infrared receiver are capable of lifting and lowering, a turntable is arranged below the upper discharge pipe, a curved through hole is formed in the turntable,a retractable stop block with a proximity switch is arranged on one side of the turntable, and a curved groove is formed in the turntable. By adopting the niraparib granules, the amount of niraparib discharged along with excretion can be reduced, and the pharmacodynamic effect of the niraparib can be maintained; valve-related components of the granule packaging machine adopted in the preparation process of the niraparib granules have longer service life, it can be ensured that the amount of the material discharged each time is sufficient, the remaining granules with a remaining amount less than a set value are remained in the upper discharge pipe, and the application is convenient.

The invention discloses a household purified water treatment device. The household purified water treatment device comprises a melt-blown core lauter tank, a one-way valve, a hollow fiber membrane component, a pressure sensor and a diaphragm type gas pressure tank, wherein a water outlet end of the melt-blown core lauter tank is communicated with a water inlet end of the hollow fiber membrane component through a communicating pipe; the one-way valve is arranged on the communicating pipe; a water outlet end of an ultrafiltration membrane component is connected with a purification water pipe; and the pressure sensor and the diaphragm type gas pressure tank are arranged on the purified water pipe. The household purified water treatment device has the advantages that: through dual-stage treatments of a melt-blown core and a hollow fiber membrane, the water quality of yield water reaches a national standard of drinking water; when a mixedly-used water faucet is open, the hollow fiber membrane can be washed positively and back flushed to ensure the normal operation of the hollow fiber membrane and prolong the service life of the device, and simultaneously the flushing water can be used as living mixedly-used water to save fresh water resources; and a control mode adopting the pressure sensor is adopted to automatically realize the open and close of a water pump, save energy and water and prevent a water tank from causing secondary pollution.

The invention belongs to the technical field of ultraviolet disinfection lamps, and discloses a deep ultraviolet LED disinfection lamp for kitchens and baths. The deep ultraviolet LED disinfection lamp comprises a lamp body; the lamp body comprises a shell, a conductive plug connector installed outside the shell and an ultraviolet sterilization assembly installed inside the shell; the ultravioletsterilization assembly comprises a control circuit board; the control circuit board is detachably installed in the shell; one end of the conductive plug connector extends into the shell and makes contact with the installed control circuit board; and ultraviolet lamps and a human body induction device are mounted on the control circuit board. In conclusion, the ultraviolet lamps comprise UVA-LED lamps and UVC-LED lamps, and the sterilization and bacteriostasis capacity of the whole disinfection lamp can be effectively improved. Besides, the human body induction device can be matched with the control circuit board to automatically turn off the UVA-LED lamps and the UVC-LED lamps when inducting that a human body approaches the disinfection lamp, so that use safety of the whole disinfection lamp is improved, and influence of ultraviolet radiation on human health is reduced.

The invention provides a control method and device for preventing liquid slugging of a compressor of an air conditioner and the air conditioner. The control method comprises the steps that when a standby signal is detected, the standby duration is counted, and the outdoor environmental temperature is detected; and a heating device is controlled to heat the compressor according to the standby duration and the outdoor environmental temperature, and/or a switching device is controlled to be switched off. According to the control method and device for preventing liquid slugging of the compressor of the air conditioner and the air conditioner, the problem that the compressor is started with liquid can be avoided, and the low-temperature reliability of the compressor is improved.

A wall-brushing device includes spread coating cylinder, coating transfer pipelines which one end is connected with paints-storing tubular and another end is connected with spread coating cylinder, the coating transfer pipelines are equipped with bellows pump and its driving motor, and it also includes inverse flow pipelines which one end is connected with coating transfer pipelines and another end is connected with paints-storing tubular, the inverse flow pipelines are equipped with governing valve; the governing valve includes valves of liquid inlet mouth and liquid outlet mouth, the valve body also includes valve cavity connecting liquid inlet mouth and liquid outlet mouth, the valve cavity is equipped with spools which controls liquid inlet mouth and liquid outlet mouth and is conducted with valve cavity, the front end of the spool is conflicted with the connecting position of liquid inlet mouth and valve cavity, the contact position forms sealing face, the end is connected with the rear end of valve through preloading spring. The beneficial effects of the invention are: 1. the motor and the transportation pump operate continuously and so the frequent start and stop are avoided. 2. The practical and new device realizes limiting maximum discharge pressure and adjusting the paints flow transferred into spread coating cylinder simultaneously.

The invention discloses a water-hammer arresting position control valve without frequent movement, and a mounting method and a position control method thereof, and belongs to the field of water supplypipe network water pressure control. As the control end of the water-hammer arresting position control valve communicates with a highest water level and a lowest water level, the facts that a valve body is opened and water enters a water tank only when the water level in a water tank is lower than a water release pipe, the valve body is closed and water stops entering the water tank only when thewater level in the water tank is higher than the highest water level, and the valve body does not move when the water level is positioned between the lowest water level and the highest water level are ensured, frequent opening and closing of the valve body can be prevented during water level control, and impact to a valve structure by frequent movement of the valve is eliminated. The water-hammerarresting position control valve has the advantages that the service life is longer, the valve is more difficult to damage, meanwhile occurrence of a pipeline water hammer is avoided, and the valve is beneficial to the safety of pipeline water supply systems.

The invention discloses a tool for cleaning a ceiling, and belongs to the field of family life supplies. The tool comprises an outer rod, a stretchable rod, an ash bucket and a brush head. The ash bucket is fixedly connected to the upper portion of the outer rod, a handle is arranged at the lower portion of the stretchable rod, an ash outlet is formed in the lower portion of the ash bucket, a cover is arranged at the upper end of the ash outlet, an ash bucket cover matched with the top face of the ash bucket is arranged on the ash bucket, protrusions are symmetrically arranged on the two sidesof the upper portion of the ash bucket, the ash bucket cover is divided into two parts, the two ends of the ash bucket cover on the left half part and the two ends of the ash bucket cover on the right half part and the protrusions are connected through pin shafts, through holes are formed in the edges of the middles of the ash bucket cover at the left half part and the ash bucket cover at the right half part, a pull ring is arranged on the outer rod and penetrates through the outer rod, pull rods are connected to the two ends of the pull ring, and one ends of the pull rods are bent and run through the through holes. The tool has the advantages of being simple in structure, easy to operate, and capable of avoiding dust flying while sweeping is performed.

The invention provides a vulcanization tank device with a new type of hanging structure, which includes the vulcanization tank itself, its hanging device, and an attached pressure and control system, and is characterized in that the hanging device of the vulcanization tank includes a set of tires entering and leaving the tank body. The track and the piping system used to inflate and evacuate the set of tires. The invention has the characteristics of high vulcanization efficiency, energy saving and consumption reduction.

The invention discloses an electric vehicle cooling system and a control method. The electric vehicle cooling system is composed of a motor cooling system and a battery cooling system, the motor cooling system is composed of a liquid storage tank, a radiator, an electric fan, a water temperature sensor, an electric water pump, a motor, a controller and a DCDC, the liquid storage tank, the radiator, the electric fan, the water temperature sensor, the motor, the controller and the DCDC are connected through a cooling pipeline, and the water temperature sensor is used for collecting temperature signals and transmitting the temperature signals to the controller; and the battery cooling system is composed of an electric water pump, a PTC, a heat exchanger, a CHILLER, an electric water pump, a battery, a water temperature sensor and a liquid storage tank which are connected through a cooling pipeline, and the water temperature sensor collects temperature signals and then transmits the temperature signals to the controller. The electric vehicle cooling system control method is divided into a motor cooling control method and a battery cooling control method. According to the electric vehicle cooling system and the control method, the cooling system can be simplified, and power consumption of parts of the cooling system is reduced; and the control method effectively avoids frequent opening and closing of parts of the cooling system and improves NVH of the system.

The invention discloses a hydrogen filling system and method with an automatic flow regulation function for a long pipe trailer. The system comprises a first water chilling unit, a valve, corresponding to a hydrogen filling pipeline, of the first water chilling unit, the 20 Mpa long pipe trailer, a second water chilling unit, a valve, corresponding to a hydrogen filling pipeline, of the second water chilling unit and a 30 Mpa long pipe trailer. Wherein the first water chilling unit is connected with the 20Mpa long pipe trailer through a valve, corresponding to the hydrogen filling pipeline, of the first water chilling unit; the second water chilling unit is connected with the 30Mpa long pipe trailer through a valve, corresponding to the hydrogen filling pipeline, of the second water chilling unit; the valve, corresponding to the hydrogen filling pipeline, of the first water chilling unit and the valve, corresponding to the hydrogen filling pipeline, of the second water chilling unit are controlled through a filling station control system. The method comprises the steps of pipeline selection, nitrogen purging replacement, hydrogen purging replacement, rapid filling and filling stopping. The system has the beneficial effects that the operation cost and the manual operation error rate are reduced in the automatic and rapid hydrogen filling process; therefore, the service life of the water chilling unit is prolonged.

The invention discloses a box stacking and arranging device capable of fully automatically filling water absorption pads. The box stacking and arranging device comprises a conveying belt, an object groove, a water absorption pad suction mechanism, a flow guide mechanism and a box stacking mechanism. Wherein the conveying belt is used for conveying plastic boxes; and the storage tank is suspended right above the front end of the conveying belt through a bracket and is used for stacking a plurality of water absorption pads to be filled into the plastic box. The flow guide mechanism comprises a flow guide groove and a plurality of air nozzles; the flow guide groove is formed over the middle end of the conveying belt and used for directionally conveying the water absorption pads separated from the water absorption pad suction mechanism and filling the water absorption pads into plastic boxes. The water absorption pad suction mechanism is fixedly arranged above the storage groove and used for grabbing the water absorption pad from the storage groove and placing the water absorption pad into the flow guide groove. Through the design of the special structure of the flow guide mechanism, the water absorption pad is correctly placed at the bottom of the plastic box, and automatic assembly line work is achieved.

The invention discloses a heat-insulation LED energy-saving lamp made of a nano composite material. The heat-insulation LED energy-saving lamp comprises a base, a fixing rope, a heat dissipation mechanism, a brightness adjusting mechanism, a lamp holder mechanism and a lampshade, wherein one end of the fixing rope is connected with the side, away from the mounting face, of the base, and the otherend of the fixing rope is fixedly connected with the lampshade; one end of the brightness adjusting mechanism is located in the base, and the other end of the brightness adjusting mechanism stretchesinto the lampshade to be combined with the lamp holder mechanism; the heat dissipation mechanism is located in the lamp holder mechanism; and the heat dissipation mechanism, the lamp holder mechanism,the brightness adjusting mechanism and the base are electrically connected. The lamp holder mechanism comprises a substrate, a double-layer membrane, LED chips, gold wires and a lamp shell, wherein the substrate is located in the lamp shell; the LED chips are arranged on the substrate in an array manner; and the double-layer membrane covers the surface of the substrate. The LED chips are electrically connected through the gold wires. The heat dissipation mechanism comprises a heat pipe radiator, a heat outlet pipe and a heat inlet pipe, wherein one end of the heat inlet pipe and one end of the heat outlet pipe make contact with the LED chips correspondingly, and the other end of the heat inlet pipe and the other end of the heat outlet pipe are connected with the heat pipe radiator; and the heat pipe radiator comprises heat dissipation aluminum-based fins.

The invention discloses a fuzzy control based intelligent photovoltaic power generation type lifting irrigation system and a control method thereof. The system comprises a photovoltaic panel, a waterstorage device and a controller. Electromagnetic valves are arranged at two ends of the water storage device, and the controller is connected to the photovoltaic panel and the electromagnetic valves and collects electric energy from the photovoltaic panel. The controller selects power derivation and power-voltage slope as input to establish a fuzzy rule library on the basis of the power derivationand power-voltage slope, maximum-power tracking of the photovoltaic panel is realized, and electric energy of the photovoltaic panel is stored and supplied to the controller. The controller judges whether irrigation is needed or not according to field humidity and controls corresponding electromagnetic valves to open when irrigation is needed, and then the water storage device is used for irrigation. By means of photovoltaic power generation, the problem of irrigation in regions without power grids is solved. By arrangement of a high-level water tank, an irrigation range is expanded by high potential energy of the water tank, and using a motor for irrigation is avoided.

The invention provides a heating control method of an air conditioner and the air conditioner. The heating control method of the air conditioner comprises the steps that a heating signal of the air conditioner is obtained, and a compression refrigeration system of the air conditioner is controlled to be started in a heating mode; an electric heating signal of the air conditioner is obtained, and a heater in an air duct of the air conditioner is started; the indoor coil pipe temperature of the air conditioner is obtained, the operation state of a compression refrigeration system is adjusted according to the indoor coil pipe temperature, and the heating state of a heater is maintained; and after the indoor coil pipe temperature is larger than or equal to the first coil pipe temperature threshold value, the heater is turned off. According to the scheme, the heater is started as long as the electric heating signal is obtained; and once the heater is started, the heater is not easy to close according to the temperature of an indoor coil, the working state of the compression refrigeration system is adjusted, frequent starting and stopping of the heater of the air conditioner are avoided, and the service life of the heater is prolonged.

The invention relates to a base structure for cleaning equipment and the cleaning equipment. The base structure comprises a base, a sterilization light leak-proof module and a sterilization module; the sterilization light leak-proof module comprises a control switch and at least three contact pieces, and the contact ends of all the contact pieces are located on different straight lines to form a contact surface; and when the contact ends of all the contact pieces are arranged on a to-be-cleaned face, all the control switches are in an open state to open the sterilization module, and when the contact end of at least one contact piece leaves the to-be-cleaned face and the included angle between the contact face and the to-be-cleaned face is larger than a preset included angle, the control switches are in a closed state to close the sterilization module. The base structure not only can ensure that the base does not leak sterilization light rays generated by the sterilization module in any direction, but also can ensure that the sterilization module works normally when the contact ends of the contact pieces are far away from the to-be-cleaned face.

The invention relates to an oblique triggering driving circuit and an electronic product. The oblique triggering driving circuit comprises an oblique detecting circuit, a logic control circuit, a timedelay recovery circuit and a driving stage circuit, wherein the oblique detecting circuit is used for detecting an inclination angle of an electronic product and generating a first detecting signal or a second detecting signal. The logic control circuit is used for generating a charging signal according to the first detecting signal. The logic control circuit is used for generating a dischargingsignal according to the second detecting signal. The driving stage circuit is connected with a time delay recovery circuit and a load power supply loop of the electronic product. The time delay recovery circuit is used for generating a conduction signal according to the charging signal. The time delay recovery circuit is used for generating an off signal according to the discharging signal. The driving stage circuit is used for controlling the load power supply loop to be electrified according to the conduction signal. The driving stage circuit is further used for controlling the load power supply loop to be de-electrified according to the off signal, wherein the time delay recovery circuit generates the conduction signal and/or the off signal in a delayed manner.