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35results about How to "Adjust the opening and closing" patented technology

Branching air supply device

The invention provides a branching air supply device. The branching air supply device comprises a shell, an adjusting piece, a driving device and a pre-tensioning force exerting device, wherein the shell is provided with at least one air inlet and a plurality of air outlets, the adjusting piece is provided with at least one shielding portion, at least one of the shielding portions is rotationally arranged inside the shell to be configured for shielding the air outlets in a controllable mode, and the air outlet area of each air outlet can be adjusted; the driving device is configured to be capable of driving the adjusting piece to rotate; the pre-tensioning force exerting device is installed between the adjusting piece and the shell, and the pre-tensioning force exerting device is configured to be capable of exerting pre-tensioning force opposite to the rotating direction on the adjusting piece at least when the adjusting piece rotates in one rotating direction. The branching air supply device and a refrigerator are capable of conducting reasonable allocation on cool air according to the cooling capacity requirements of different storage rooms or the cooling capacity requirements of different storage space of the same storage room, so that the freshness retaining performance and the operating efficiency of the refrigerator are improved, and the stability can be kept in the adjusting process.
Owner:HAIER SMART HOME CO LTD

Food preservation box

The invention discloses a food preservation box, and relates to the technical field of food preservation. The food preservation box comprises a box body, a sealing cover and an ice cube groove, wherein a foam thermal insulating layer is fixed to the inner side of the box body; the sealing cover is arranged above the box body; the ice cube groove is formed in the lower part of the box body; a damping layer is fixed below the ice cube groove; hollow cavities are formed in the inner side of the foam thermal insulating layer; exhaust pipes are arranged on the outer sides above the hollow cavities;and a rubber handle is fixed above the sealing cover; the sealing cover is internally provided with dustproof nets, a ventilation pipe is arranged below the dustproof nets, air flow channels are arranged below the ventilation pipe, partition plates are arranged in the box body, soft cotton pads are arranged on the lower side of the inner part of the box body, universal wheels are arranged at thebottom of the box body, and anti-collision bars are fixed to the outer side of the box body. The food preservation box has the beneficial effects that by arranging the hollow cavities, the box body isconveniently refrigerated at low temperature, and the deterioration speed of food is slowed down.
Owner:FOSHAN UNIVERSITY

Tail vein catheterization system

The invention provides a caudal vein catheterization system, and belongs to the technical field of medical experiment equipment. The caudal vein catheterization system comprises an operation table, aclamping device and an angle adjusting mechanism; a groove is formed in the top of the operation table, and the clamping device is arranged in the groove and comprises a first arc-shaped claw and a second arc-shaped claw; a hinge shaft is fixedly arranged on one side of the first arc-shaped claw in the axial direction, and two ends of the hinge shaft are respectively and rotationally connected with two ends of the groove through bearings; one side of the second arc-shaped claw is hinged to the hinge shaft, and the arc surfaces of the first arc-shaped claw and the second arc-shaped claw are opposite to each other; a plurality of clamping teeth are evenly arranged on the opposite sides of the first arc-shaped claw and the second arc-shaped claw in the length direction and are used for inserting a mouse head limiting plate and a mouse tail limiting plate; one end of each of the first arc-shaped claw and the second arc-shaped claw is provided with a clamping piece for adjusting the openingdegree; and a square groove is formed in one end of the operation table, and the angle adjusting mechanism is arranged at the bottom of the square groove and is used for adjusting the clamping deviceto rotate in the groove. According to the caudal vein catheterization system, the tail of a mouse is fixed, dosing accuracy is improved, and meanwhile, the caudal vein catheterization system conformsto the animal ethics spirit.
Owner:AIR FORCE MEDICAL UNIV

Adjustable hydraulic damper and spin bike thereof

The invention discloses an adjustable hydraulic damper, comprising a piston cartridge, wherein a guide sealing cover is arranged at the top of the piston cylinder; a bottom cover is arranged at the bottom of the piston cylinder; a piston body capable of axially moving is arranged in the piston cylinder; a piston rod is fixedly connected to the piston body; the piston rod penetrates out of the guide sealing cover and is connected with an external mechanism; the piston body is provided with two damping holes which are identical in size and symmetrical in the axial direction; a fan-shaped valve capable of shielding the damping holes is arranged on one surface, facing the bottom cover, of the piston body; the fan-shaped valve is formed by two axially and symmetrically arranged fan-shaped pieces; the surface of each fan-shaped piece is provided with a wire slot used for clamping a brake cable; the side surface of each fan-shaped piece is provided with a groove; the surface of the piston body is provided with two limiting protruding blocks capable of being clamped into the grooves; and the limiting protruding blocks are arranged between the two damping holes. The adjustable hydraulic damper is compact in structure and small in occupied area, hydraulic oil circulation of the adjustable hydraulic damper can be achieved, resistance can be controlled, and the weight of a spin bike is greatly reduced.
Owner:LIUZHOU VOCATIONAL & TECHN COLLEGE

Curtain control system based on solar power supply

The invention discloses a curtain control system based on solar power supply. The curtain control system comprises a controller and a curtain motor for adjusting the opening degree of a curtain. The signal output end of the controller is connected with the signal input end of the curtain motor. The system further comprises a light sensor, an infrared remote controller, an external terminal, a clock module, a display, and a solar power generation device. The light sensor is arranged indoors and is used for monitoring the illumination intensity of the indoor environment in real time. The infrared remote controller is provided with keys and achieves the input control through the keys. The signal output end of the infrared remote controller is connected with the signal input end of the controller. The external terminal is in communication connection with the controller through a wireless communication module, receives a signal of the controller and sends a control signal to the controller.The clock module is used for providing time reference and real-time time. The display is used for displaying the current light intensity and time. The solar power generation device comprises a solarcell panel used for converting solar energy into electric energy and a storage battery used for storing the electric energy. The system has multiple control modes, and can meet the use requirements ofconsumers.
Owner:刘山平

Grounding wire winder

The invention provides a grounding wire winder. The grounding wire winder comprises a first support bar set and a second support bar set; the first support bar set comprises a first vertical bar, a second vertical bar and a first cross bar used for connecting the first vertical bar with the second vertical bar, the second support bar set comprises a third vertical bar, a fourth vertical bar and a second cross bar used for connecting the third vertical bar with the fourth vertical bar, and the second cross bar and the first cross bar are rotatably connected; any one vertical bar of the first support bar set and any one vertical bar of the second support bar set are each provided with a cylinder body and/or a barrel body of which the opening direction is above the horizontal plane. The grounding wire winder further comprises a U-shaped positioning bar, and the two free ends of the U-shaped positioning bar are slidably matched with the cylinder body or drum body arranged on the first support bar set and the cylinder body or drum body arranged on the second support bar set respectively. The grounding wire winder can conveniently achieve unwinding of grounding wires after the grounding wires are wound and is used for solving the problem that an existing grounding wire winder is inconvenient for storing and remote carrying.
Owner:BINZHOU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER +1

Thread-based under-pressure oil pipe leakage repairing device

The invention discloses a thread-based under-pressure oil pipe leakage repairing device, and relates to the technical field of pressure pipeline protection devices. The thread-based under-pressure oil pipe leakage repairing device comprises a compression bolt, a lock washer, an end cover, a rotating hand wheel, a main rotating rod, a rear pressing plate bolt, a rear pressing plate, a cavity, a push sleeve, a leakage-proof partition plate sleeve, a transmission gear shaft, a push cover, a front pressing plate, a control gear shaft, a flange buckle, a rubber hole film and the like. When leakage repairing is carried out, a leakage repairing flange and the rubber hole film wrap a leakage point, the rotating hand wheel is rotated, a main transmission rod drives the push sleeve to push a leakage repairing agent in the cavity forwards, the leakage repairing agent is evenly distributed in the rubber hole film, the leakage repairing agent overflows from small holes of the rubber hole film and is in full contact with the leakage point, and then an injection needle on the rubber hole film is pulled out to complete leakage repairing; and emergency leakage repairing can be conducted on the oil pipe under the condition of medium-low pressure pipeline leakage, and the device has the characteristics of being wide in applicability, high in leakage repairing efficiency, easy to operate and the like.
Owner:SOUTHWEST PETROLEUM UNIV

An intelligent control system and control method for plant antifreeze and cold resistance

The invention discloses an anti-freezing chill-proof intelligent control method for plants. The method is characterized in that a framework (23) covers the plants, a heat supply and humidifying systemconducts heating and humidification on an anti-freezing shield through a heat supply humidifying pipeline, the temperature and humidity of the interior of the anti-freeing shield are detected separately through a temperature sensor and a humidity sensor which are installed on the inner wall of the anti-freezing shield, a central processor automatically adjusts the temperature and humidity of theheat supply and humidifying system according to signals obtained from the temperature sensor and the humidity sensor, the temperature and humidity of the heat supply and humidifying system are adjusted automatically, the temperature is controlled within a range from 10 DEG C to 20 DEG C, and the humidity is controlled within a range from 30% to 50%; the central processor is in communication with the Internet through a wireless network, and therefore a user can check real-time condition of freezing and chilling resistance of the plants through APP software in a mobile phone. The method has theadvantages that by means of the anti-freezing chill-proof intelligent control method for the plants, a great anti-freezing effect for the plants can be achieved, and under the condition that the temperature under extreme southern weather is lower than 5 DEG C, it can be ensured that the cold mortality of the plants is lower than 5%.
Owner:太原市农村经济经营管理站 +1

Flowback prevention and pollution intercepting device for rainwater and sewage well and working method of flowback prevention and pollution intercepting device

The invention relates to a flowback prevention and pollution intercepting device for a rainwater and sewage well. The rainwater and sewage well is relatively provided with a rainwater and sewage confluence inlet pipe, a rainwater discharge pipe and a sewage discharge pipe, wherein the sewage discharge pipe is provided with a pollution intercepting valve, the wall of the sewage discharge pipe is provided with a supporting rod, a lever is arranged at the top end of the supporting rod in a hinged manner, one end of the lever is connected with the travel end of the pollution intercepting valve, water washing plates are arranged at the other end of the lever, and a straight rod is arranged among the water washing plates in a connection manner; a downward bend is arranged at the tail end of therainwater and sewage confluence inlet pipe, the outer wall of the bend is provided with a supporting frame, the supporting frame is provided with a vertical sliding base, a connecting rod is arrangedin the vertical sliding base in a sliding manner, and the lower end of the connecting rod is fixed on the straight rod; a port of the rainwater discharge pipe is provided with a first limiting clamping groove and a hinged base, and the hinged base is provided with a pollution intercepting plate; and the pollution intercepting plate comprises a hinge joint hole, a sealing plate, a limiting bulge, afloating cylinder, a discharge window and a second limiting clamping groove. According to the flowback prevention and pollution intercepting device for the rainwater and sewage well and a working method of the flowback prevention and pollution intercepting device, the sewage is prevented from being mixed into a rainwater system, the pollution intercepting effect is good, the rainwater is prevented from flowing back and entering a sewage pipe network, and the maintenance is easy and the cost is low because of a mechanical structure.
Owner:淄博市机电泵类产品质量检验研究院 +1

Calcium-magnesium biological organic fertilizer and preparation method thereof

InactiveCN109665922APromotes decomposition and mineralizationStop soil acidificationCalcareous fertilisersNitrogenous fertilisersChemistryDolomite
The invention discloses calcium-magnesium biological organic fertilizer and a preparation method thereof. The calcium-magnesium biological organic fertilizer is prepared from the following raw materials in parts by weight: 50 to 800 parts of dolomite lime, 95 to 200 parts of organic components, and 4 to 6 parts of microbial functional bactericide. The preparation method comprises the following steps: step I, roasting dolomite: placing dolomite in a high-temperature roasting furnace, and roasting for 8 to 10 hours at 1100 to 1250 DEG C to obtain a roasted product for standby use; step 2, preparing calcium and magnesium biological organic fertilizer: compounding the roasted product obtained in step 1 with organic components and functional bactericide, and preparing the calcium and magnesiumbiological organic fertilizer in steps of mixing, granulating, baking and sieving; and step 3, packaging the calcium and magnesium biological organic fertilizer prepared in step 2. The calcium-magnesium fertilizer can be used as the natural calcium-magnesium fertilizer is easy to absorb by crops; the dolomite lime has the function of killing harmful microorganisms in soil to avoid or reduce the occurrence of diseases and insect pests. The calcium-magnesium biological organic fertilizer prepared in the invention can improve the soil, adjust the pH value of the soil, increase the crop yield andimprove the crop quality, and is simple in manufacturing process.
Owner:YUNNAN YUNYE FERTILIZER

A small hand-held laser head for laser cleaning

The invention relates to the technical field of laser cleaning equipment, and discloses a small hand-held laser head for laser cleaning, which includes a casing and an output head, a laser port is formed on the output head, and a mounting cover is provided on the outer cover of the laser port. Both sides of the opening slide through a cover plate, the cover plate is fixedly connected with a connecting rod, and an elastic member is fixedly connected between the two connecting rods, and the top of the connecting rod runs through the installation cover and slides with the first chute of the installation cover; The top of the installation cover is slidably connected with a slider, the two sides of the slider are formed with a first guide surface, the top of the connecting rod is formed with a connection block, and a second guide surface is formed on the connection block; by sliding the slider, the two first guide surfaces are formed. One guide surface can be in sliding contact with two second guide surfaces respectively, and drive the two connecting rods to move oppositely or towards each other to drive the two cover plates to move oppositely or towards each other, so as to adjust the opening and closing of the laser port to adapt to equipment of different sizes Cleaning to avoid laser damage to other parts during the cleaning process.
Owner:上海时颖激光科技有限公司

Yellowish-brown humic acid-containing water-soluble fertilizer and preparation method thereof

The invention relates to a yellowish-brown humic acid-containing water-soluble fertilizer and a preparation method thereof. The preparation method comprises the following steps of 1, raw material quantitative proportioning, 2, reaction, 3, assistant addition, 4, stirring, 5, reaction, 6, cooling, and 7, packaging. The yellowish-brown humic acid-containing water-soluble fertilizer has total humic acid content greater than or equal to 40g / L, total nitrogen content greater than or equal to 80g / L, phosphoric pentoxide content greater than or equal to 40g / L, potassium oxide content greater than or equal to 80g / L, total trace element content greater than or equal to 60g / L, and water-insoluble substance content less than or equal to 50g / L. Potassium yellowish-brown humate, and macroelements and trace element necessary for plant growth are prepared into the yellowish-brown humic acid-containing water-soluble fertilizer. The yellowish-brown humic acid-containing water-soluble fertilizer has the advantages of high activity, comprehensive and balanced nutrition, high utilization rate, high hard water resistance, no flocculation, no deposition, and spray and drop irrigation adaptability. The yellowish-brown humic acid-containing water-soluble fertilizer can be widely used for a plurality of crops and can be directly sprayed on crop blade faces or punched and dropped on crop roots.
Owner:山西田茂生物技术有限公司

Air conditioner heat storage control method

The invention relates to the technical field of air conditioning, in particular to an air conditioner heat storage control method. The problems that according to an existing preheating scheme, the service life of a compressor is short, and fluctuation of the temperature of a coil pipe is large are solved. In order to achieve the purpose, the air conditioner comprises a compressor, a throttling element, an outdoor heat exchanger, an outdoor draught fan, an indoor heat exchanger and an indoor draught fan, and the outdoor draught fan is an alternating-current draught fan; and the heat storage control method comprises the steps that the compressor is controlled to operate at a first heat storage frequency; when, before or after the compressor starts to operate, the outdoor draught fan is controlled to operate; in the process that the compressor operates at the first heat storage frequency, the coil pipe temperature of the indoor heat exchanger is detected; the coil pipe temperature and a first preset temperature are judged; and based on the judgment result, the opening and closing of the outdoor draught fan and/or the operation frequency of the compressor are/is selectively adjusted. According to the heat storage control method, the service life of the compressor can be prolonged, fluctuation of the temperature of the coil pipe in the air conditioner heat storage process is reduced, and the user experience is improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Screen door locking device and screen door capable to stopping at any positions

The invention relates to a screen door locking device. The screen door locking device structurally comprises an upper locking piece and a lower locking piece; the lower locking piece comprises a plugconnector, a swinging piece, a spring and a rolling wheel, wherein the swinging piece is hinged on the plug connector; the spring is arranged between the plug connector and the swinging piece; the rolling wheel is arranged on the swinging piece; the plug connector comprises a connecting part, a first plug connection part and a hinging part; the swinging piece comprises a body and a hinged arm; thehinged arm is arranged on the upper part of one end of the body; the end part of the hinged part is hinged on the hinged on the hinging part; a rolling wheel mounting shaft is arranged on the body; and the upper locking piece comprises a second plug connection part and a clamping connection part. The invention also discloses a screen door capable of stopping at any positions. The screen door comprises a screen door shaft, an upper slideway, a lower slideway, a screen pulling plate, a side frame and a gauze element; and the screen door locking device is arranged on the screen pulling plate. The screen door can stop at any positions and the screen door can realize any opening, so that the screen door can maximally maintain the mosquito blocking function while facilitating in and out.
Owner:河北夏洛特建材有限公司

Rice dry farming lodging-resistant fertilizer and preparation method thereof

The invention provides rice dry farming lodging-resistant fertilizer. The lodging-resistant fertilizer comprises the following components in parts by weight: 10 to 350 parts of aminobutyric acid, 15 to 100 parts by weight of alginic acid, 80 to 200 parts by weight of sugar alcohol, 0.1 to 0.2 part by weight of methyl salicylate, 0.1 to 10 parts by weight of sulfadimidine, 5 to 10 parts by weight of lignosulfonate, and 0.1 to 20 parts by weight of beta-1, 3-glucan oligosaccharide, and supplementing water to 1000 parts by weight of the rice dry farming lodging-resistant fertilizer. Compared withthe prior art, the fertilizer provided by the invention acts on leaves of the dry rice, can be quickly absorbed by the dry rice, can be quickly transported in crop conduits and sieve tubes, and can be quickly transferred to specific organs required by growth and development of the dry rice, according to the invention, the requirements of rice on phosphorus and potassium nutrients can be fully met, root system pricking of dry rice can be promoted, pore opening and closing can be adjusted, transpiration can be reduced, and the strength and flexibility of rice stems, stalks and leaves can be enhanced, so that water saving can be realized, and the lodging resistance of rice can be improved.
Owner:长春吉农大农业科技有限公司

Heat storage control method for air conditioner

The invention relates to the technical field of air conditioning, in particular to an air conditioning heat storage control method. The invention aims to solve the problems of short compressor life and large coil temperature fluctuations existing in the existing preheating scheme. For this purpose, the air conditioner of the present invention includes a compressor, a throttling element, an outdoor heat exchanger, an outdoor fan, an indoor heat exchanger and an indoor fan, the outdoor fan is an AC fan, and the heat storage control method includes: controlling the compressor to first Heat storage frequency operation; control the operation of the outdoor fan at the same time, before or after the compressor starts running; detect the coil temperature of the indoor heat exchanger during the operation of the compressor at the first heat storage frequency; judge the coil temperature and the magnitude of the first preset temperature; based on the judgment result, selectively adjust the on / off of the outdoor fan and / or the operating frequency of the compressor. The heat storage control method of the present invention can increase the service life of the compressor, reduce the fluctuation of the coil temperature during the heat storage process of the air conditioner, and improve user experience.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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