33results about How to "Meet the needs of different usage environments" patented technology

The invention provides a refrigeration control method and a control device of an air conditioner. The refrigeration control method comprises the following steps that the coil temperature of an indoorheat exchanger of the air conditioner is acquired; the external environment temperature of an outdoor unit of the air conditioner is acquired; a frequency regulation rule is determined according to the coil temperature and the external environment temperature, and the frequency regulation rule is at least provided with an adjustment direction and an adjustment rate in a frequency regulation stage;and the operating frequency of a compressor of the air conditioner is adjusted section by section according to the frequency regulation rule, so that the coil temperature reaches a preset target temperature range. According to the refrigeration control method of the air conditioner, it is considered that loads of a system under the external environment temperatures of different outdoor units aredifferent during a refrigeration mode, the ascending and descending speed of the coil temperature is different, the adjustment rates of the operating frequencies of different compressors are set, andthe frequency rising and frequency reduction of the compressor are more accurate.

The invention relates to a pest capturing device, in particular to a portable pest capturing device which is combined with a main working cabin and a pest-storing net cabin, etc., which are made from materials such as PVC and arranged with matching negative pressure suction. The device is used for capturing flies, mosquitoes, deerflies and cabbage caterpillars. The device can replace toxic chemical spraying agent such as dichlorvos and dimethoate for killing pests and is applicable to families in urban or suburban areas, guesthouses, restaurants, hotels, hostels, eateries, offices, airplanes, trains, vehicles, ships, dormitories, farms, urban and suburban refuse dumps, environmental hygiene organizations and farmlands all over the world for protecting vegetables, fruits and foodstuff from being contaminated by pesticide residues; the device can effectively capture the pests that harm human beings by spreading cholera, typhoid and destroy farm plants with a speed of capturing 80 to 300 pests per minute, and then distributes the living pests without the chemical contamination of the pesticides to livestock farms for breeding chickens, ducks and fishes as high protein feedstuff so as to realize the aim of stopping general environment pollution, turning harm to benefit and protecting the health of human beings.

The invention belongs to the technical field of track traffic projects, building construction engineering and the like, and particularly relates to a pile foundation structure for reducing side friction force. The pile foundation structure comprises a pile body main body, an outer sleeve and a lubricating agent, wherein the pile body main body is a preformed pile which is formed in advance or is of a pile structure which is poured on site, the top of the pile body main body is connected with a support platform, and the bottom of the pile body main body extends into a supporting layer so as to achieve a support effect; the outer sleeve sleeves the periphery of the pile body main body, and the bottom end of the outer sleeve extends into the supporting layer and is fixed; and a gap between the pile body main body and the outer sleeve is filled with the lubricating agent. The pile foundation structure can resist the influence of positive friction force and negative friction force at the same time, the deformation of the pile foundation structure and surrounding buildings is controlled from two aspects, and the pile foundation structure is suitable for the preformed pile and the filling pile, has the advantages of simplicity and convenience in construction, safe and reliable structure and the like and is especially suitable for protection engineering of sensitive buildings (structures).

The invention provides a control method and a control device of an air conditioner. The control method comprises the following steps that the coil temperature of an indoor heat exchanger of the air conditioner is acquired; the wind speed of an indoor fan of the air conditioner is acquired; the frequency adjusting rule is determined according to the coil temperature and the wind speed, and the frequency adjusting rule at least stipulates the adjusting direction in the frequency adjusting stage and the adjusting rate; and the operating frequency of a compressor of the air conditioner is adjustedby section according to the frequency adjusting rule, so that the temperature of a coiled pipe reaches a preset target temperature range. According to the control method of the air conditioner, different loads of the system under different wind speeds are considered, and the lifting speed of the coil temperature is different, so that the frequency rising and frequency reduction of the compressorare more accurate.

The invention provides a preparation method and application of an HfC ceramic precursor.The preparation method includes the steps of firstly, adding solvent into a reactor, adding organic hafnium compound and cyanamide organic matter, and vacuumizing and drying the reactor; secondly, rising the temperature, performing continuous stirring reaction under the protection of nitrogen atmosphere, and evaporating the reaction products to remove the solvent so as to obtain white solid.The HfC ceramic precursor prepared by the method is high in ceramic yield, good in high-temperature resistance and suitable for being used to prepare high-performance hafnium carbide ceramics and composite materials thereof, and the ultrahigh-temperature HfC component content of the ceramic materials prepared by the HfC ceramic precursor is higher than 79%.

The invention discloses a preparation method of a rare earth element co-doped nano titanium dioxide photocatalyst. The rare earth element is embedded into self-doped titanium dioxide to obtain the rare earth element co-doped nano titanium dioxide photocatalyst with certain morphology. The preparation method is simple and low at cost, and uses the photoelectric characteristics of rare earth element to prepare the titanium dioxide rare earth element co-doped nano titanium dioxide photocatalyst, which has the advantages of controllable doping, good dispersion, efficient energy storage and high catalytic activity. The purpose of the invention is to provide a simple and low-cost preparation method, which uses self-doped black TiO2 as the base and sets the rare earth element co-doping as customized purpose; and the method can prepare the rare earth element co-doped nano titanium dioxide photocatalyst with high catalytic activity.

The invention discloses an air film type jetting device. The air film type jetting device comprises a box body with an inner cavity. The inner cavity is internally provided with a flow separation plate so that the inner cavity can be divided into a first cavity body and a second cavity body which communicate with each other. The inner cavity body is internally provided with a draught fan which sucks in external gas. The flow separation plate is provided with at least two first vent holes which are formed at intervals. The second cavity body is provided with a nozzle from which gas is jetted out. The air film type jetting device is characterized in that one face of the flow separation plate is provided with a pressure adjusting plate which can adjust the ventilation area of the first vent holes. The invention further discloses an extractor hood with the air film type jetting device. The flow separation plate of the jetting device is additionally provided with the pressure adjusting plate, the effective ventilation area of the flow separation plate is adjusted through moving of the pressure adjusting plate, and the conversion ratio of the dynamic pressure to the static pressure is changed so that needs of different use environment can be met.

The invention discloses a high-catalytic activity probe material and a preparation method and application thereof. The high-catalytic activity probe material is rare-earth element co-coped high-catalytic activity SnO2 powder and is prepared from raw materials of tin chloride powder in 5-70 parts by weight and a rare-earth oxide in 1-10 parts by weight. The application is the application of the high-catalytic activity probe material in preparation of a supercapacitor negative electrode material. By co-doping of rare-earth elements in black tin dioxide and a surface of the black tin dioxide, a rare-earth salt solution is uniformly dissolved in a tin dioxide micronano structure; and by doping, the growth of a tin dioxide crystal can be effectively promoted, and a crystal phase interface is relatively good in bonding.

The invention belongs to the technical field of seismic isolation, and particularly relates to a prefabricated assembly type seismic isolation ditch cover plate device. The prefabricated assembly typeseismic isolation ditch cover plate device comprises a first wall body, a second wall body, a pre-buried steel plate, a connecting lug and an upper cover plate, wherein the second wall body and the first wall body are arranged at intervals to form a seismic isolation ditch; the pre-buried steel plate is pre-buried in the first wall body and is fixed through an anchoring steel bar; the connectinglug is fixed on one side, far away from the anchoring steel bar, of the pre-buried steel plate, and a clamping groove is integrally formed in the lower end of the connecting lug; and the upper cover plate is erected above the seismic isolation ditch, one end of the upper cover plate is in lap joint with the second wall body, and the other end of the upper cover plate is clamped in the clamping groove. The prefabricated assembly type seismic isolation ditch cover plate device is simple and practical in design, the problems that an existing ditch cover plate is inconvenient to disassemble and assemble and inconvenient to maintain and can hinder a building from sliding towards the periphery during an earthquake are solved, and the market application prospect is good.

The invention provides a hydraulic fork truck. Antiskid components on the hydraulic fork truck are convenient to replace, impacting damage and crushing damage on the antiskid components when objects are inserted and taken can be reduced simultaneously, and the service lives of the antiskid components are prolonged. The hydraulic fork truck comprises a hydraulic fork truck part; a plurality of grooves uniformly distributed in the length direction of a truck plate are formed in the truck plate of the hydraulic fork truck part; a rubber block and a buffering mechanism are arranged in each groove;each buffering mechanism is used for exerting the buffering effect after each rubber block is under the pressure; each buffering mechanism comprises an upper housing body, a lower housing body, springs, guide columns and guide holes; each upper housing body and each lower housing body movably sleeve with each other; the springs are arranged in each lower housing body and exert the buffering effect; the guide columns are arranged in each lower housing body; the guide holes fitting with the guide columns are formed in the bottom of each upper housing body; the springs sleeve the guide columns;the lower ends of the springs are bonded with the inner bottom surface of each lower housing body; the upper ends of the springs are bonded with the bottom of each upper housing body; each rubber block is detachably fixed to the upper surface of each upper housing body through bolts; a supporting column is arranged in each lower housing body; and an illuminating device is arranged on the truck plate of the hydraulic fork truck part further.

The invention provides a control method and a control device of an air conditioner with a purification function. The control method comprises the following steps of acquiring coiler temperature of anindoor heat exchanger of an indoor unit; acquiring a shielding condition of a purification assembly on an air inlet; determining a frequency adjustment rule according to the coiler temperature and theshielding condition, and at least stipulating an adjusting direction and an adjusting rate in one frequency adjustment stage according to the frequency adjustment rule; and adjusting operating frequencies of a compressor of the air conditioner stage by stage according to the frequency adjustment rule to enable the coiler temperature to reach a preset target temperature range. According to the control method of the air conditioner with the purification function, the facts that the shielding condition of the purification assembly on the air inlet are different , the loads on a system are different, the increasing and decreasing speeds of the coiler temperature are different are taken into consideration, the adjusting speed of different operating frequencies of the compressor is set, and thus the frequency ascending and frequency descending of the compressor are more accurate.

A preparation method of a poly-zirconium-boron-silazane precursor comprises the following steps: 1, weighing an organic zirconium compound, boron haloalkane, halogenosilane and micromolecular disilazane at the molar ratio of 1:(0.1-10):(0.1-10):(3-30); 2, respectively dissolving the boron haloalkane and the halogenosilane in organic solvents; 3, adding the organic zirconium compound to a reaction vessel, vacuumizing, filling dry nitrogen gas and precooling the reaction vessel; 4, adding the organic solvent of the boron haloalkane adn the organic solvent of the halogenosilane to the reaction vessel, and dripping the micromolecular disilazane in the reaction vessel; 5, after the dripping is finished, heating the reaction vessel to 150-500 DEG C, and preserving heat for 2-30 hours; 6, cooling the reaction vessel to 120-350 DEG C, distilling under reduced pressure and cooling to the room temperature. The poly-zirconium-boron-silazane precursor prepared according to the method is especially suitable for preparing ultra-high temperature ceramic materials.

A construction engineering cost accounting system disclosed by the present invention comprises an engineering cost accounting table body, data storage cavities are formed in the two sides of the top of the engineering cost accounting table body, mounting notches are formed in the outer sides of the data storage cavities, and extension plates are hinged in the mounting notches. The two sides of the bottom of the data storage cavity are provided with two limiting sliding rods which are distributed in parallel. According to the construction cost accounting table, the structures of the adjusting bracket, the storage assembly, the folding sealing cover assembly and the extension plate are arranged on the construction cost accounting table body, and the linkage structure of the lifting / descending device is matched, so that the structure has multiple different use modes, the requirements in different use environments are met, file tiling display and three-dimensional display are achieved, and the construction cost accounting table is convenient to use. And the device classifies the data, is convenient to store and take out the whole data, and facilitates the arrangement of the data, so that the searching of the data is more convenient and faster, and the working efficiency of accounting is improved.

The invention discloses an asset locator based on the NBIoT technology. The asset locator comprises collection equipment, an MCU main control chip, an NB module group, and a cloud server, wherein thecollection equipment is electrically connected with the MCU main control chip, and the MCU main control chip is electrically connected with the NB module group. According to the asset locator based onthe NBIoT technology, terminal locating information is collected through a GPS or WiFi or LBS, the locating information is reported to a cloud end through an NB network, a low-power-consumption MCU +NBIOT module + position collecting peripheral is adopted, the GPS locating function, the WiFi locating function and the LBS locating function are adopted, the locating coverage range is wide, locating precision is high, and location in various modes can be achieved, thereby satisfying use requirement under various conditions; in addition, the system is long in standby time, convenient to installand the like, can quickly and effectively monitor and track position information of the positioning terminal, guarantees asset safety, and can be widely applied to positioning tracking, theft prevention and the like of tangible assets.

The invention discloses an oil-resistant anti-corrosion PVC (polyvinyl chloride) cable material and a preparation method thereof. The oil-resistant anti-corrosion PVC cable material is prepared from the following raw materials in parts by weight: 85 parts of PVC resin, 10-35 parts of nitrile rubber, 2-5 parts of butyl stearate, 1-3 parts of lanthanum cyanurate, 30-50 parts of plasticizer, 3-8 parts of tris (2-chloroethyl) phosphate and 20-40 parts of filler. The raw materials are simple, the production cost is low, and the prepared oil-resistant and corrosion-resistant PVC cable material not only has good oil-resistant and corrosion-resistant performance, but also is excellent in mechanical performance and good in aging resistance, and can meet the requirements of cable materials in different use environments.

The invention provides a chassis structure and a purifier with the same. The chassis structure comprises a base and casters; the base is provided with a bottom end face used for being located on a fixed foundation; the casters are movably arranged relative to the base, and the casters are provided with working positions and avoiding positions located above the bottom end face; when the casters arelocated at the working positions, at least parts of the casters are located below the bottom end face; when the casters are located at the working positions, the casters are in contact with the fixedfoundation so as to drive the chassis structure to move on the fixed foundation; and when the casters are located at the avoiding positions, the bottom end face is in contact with the fixed foundation. According to the chassis structure, the problem that in the prior art, a purifier cannot achieve the effects of being convenient to move and capable of preventing the whole machine from sliding issolved.

The invention, which relates to the technical field of cable trough boxes, discloses a super-high-fire-resistant glass steel cable trough box for a tunnel. The glass steel cable trough box comprises abox body. Horizontal plates are fixedly connected to the left and right sides of the inner wall of the box body; first chutes are formed in the lower surfaces of the horizontal plates; and first sliding blocks are connected in the first chutes in a sliding manner. Vertical plates are fixedly connected to the lower surfaces of the first sliding blocks and are in overlap joint relationship with thelower surface of the inner wall of the box body. Two thermal-conductive pads are fixedly connected to the lower surface of the inner wall of the box body. According to the super-high-fire-resistant glass steel cable trough box, with a first clamp hole, a first clamp groove, the first sliding block, second sliding blocks, and second chutes, the worker can install the box body conveniently to avoidmulti-person mounting work; the box bodies are connected and fixed by means of clamping instead of bolt fixation; the horizontal and vertical plates inside the box body are used for separation and storage of different cables, so that the worker carries out cable burying conveniently and the usage need is met.

The invention relates to a device for testing the surface initial adhesion of a heat-sensitive material. Detection is performed through a high-precision tension sensor, the result is displayed on thehuman-computer operation interface of a computer, and numeralization of the detection result of the surface initial adhesion of the heat-sensitive material can be realized. Besides, identical standardtest films can be selected as the criteria for evaluating the initial adhesion, and the result is visual and reliable. Moreover, errors can be reduced through multiple experiments, and industry standards and criteria and effective data guarantee are provided for the later stage.

The fabricated building comprises a base, building layers and an attic layer, the base comprises a limiting frame and a supporting seat, the supporting seat is installed in the middle of the limiting frame and is in longitudinal sliding connection with the limiting frame, and the building layers are evenly arranged on the upper end face of the supporting seat; the building layer is installed on the upper end face of the building layer and fixedly connected with the supporting base, the attic layer is installed on the upper end face of the building layer, the attic layer is fixedly connected with the building layer, a user can conveniently and stably install the supporting base through the limiting frame when needing to use, and it is guaranteed that the supporting base can be stably installed in the limiting frame and longitudinally and flexibly slide; in this way, the building layer can be supported and installed through the supporting base, it is guaranteed that the building layer can be fixed to the supporting base in a matched mode through the base plate shell, and then the protective wall is fixedly installed on the base plate shell.

The invention discloses an assembly type top surface decoration truss structure. The structure comprises supporting rods, a main plate, first joining pipes, second joining pipes, first rotating rods,second rotating rods and first rotating shafts, the surfaces of the second rotating rods are movably connected with the second rotating shafts, the surfaces of the first rotating shafts are movably connected with the first joining plates, the surfaces of the second rotating shafts are movably connected with second joining plates, and one ends of the first joining plates are fixedly connected withfirst limiting plates. The assembly type top surface decoration truss structure provides an assembly structure, and has the main advantages that during use, when the first joining plates and the second joining plates rotate, limiting rods can also rotate along with the first joining plates and the second joining plates, and due to the fact that the rotating angles of the limiting rods are limited,the rotating range of the first rotating shafts and the rotating range of the second rotating shafts can be limited, so that the rotating angle of the device is controlled within a reasonable range;and through the arrangement of inserting grooves and inserting blocks, and fixation of bolts, the same device can be connected.