98results about How to "Change humidity" patented technology

The invention provides a passenger car ABS (anti-lock braking system) braking bench and belongs to the field of detection of car performance. The passenger car ABS braking bench is characterized in that a drum frame (4) can move in the direction of a rack-type sliding rail (5); wheels (19) drive a drum (2) through friction; a water sprayer (6) and a feeding mechanism (18) are installed on the drum frame (4); a sandstone recycling device (16) is installed at the lower end of the drum frame (4); a conveying device (17) is installed between the feeding mechanism (18) and the sandstone recycling device (16); the conveying device is driven by a motor; a driving belt is provided with strip-shaped rubber bulges. By adopting the passenger car ABS braking bench provided by the invention, the friction coefficient of a pavement can be simulated more vividly through a water spraying system and a sandstone system.

A passenger car ABS brake test bench device belongs to the field of car performance detection. The passenger car ABS brake test bench device is characterized in that a drum frame (4) can move in the direction of a rack-type sliding rail (5); wheels (19) drive a drum (2) through friction; an automatic water sprayer (6) and a feeding mechanism (18) are installed on the drum frame (4); a sandstone recycling device (16) is installed at the lower end of the drum frame (4); a conveying device (17) is installed between the feeding mechanism (18) and the sandstone recycling device (16); the conveying device is driven by a motor; and a driving belt is provided with strip-shaped rubber bulges. By adopting the passenger car ABS brake test bench device of the invention, the friction coefficient of a pavement can be simulated more vividly through a water spraying system and a sandstone system.

The invention relates to a high-dilution-times aqueous liquid dust suppressant and a preparation and use method thereof, and belongs to the technical field of environmental protection. The high-dilution-times aqueous liquid dust suppressant is prepared from, by weight, 35-70 parts of hyperbranched resin, 0.1-5 parts of polyvinyl alcohol, 0.2-2.5 parts of surfactant, 0.5-3 parts of modified cellulose, 10-50 parts of antifreeze aid and 0.2-5 parts of preservative. The prepared high-dilution-times aqueous liquid dust suppressant has good moisturizing performance and wind erosion resistance.

The invention discloses a chip and an apparatus for high-flux testing gas-phase photoelectric properties of a semiconductor. The chip comprises an alumina ceramic substrate which is disposed at the bottom of the chip, electrode arrays and electrode pins which are respectively printed on a surface and two sides of the substrate by a screen printing method, and semiconductor photoelectric materials which are printed on each electrode through an ink-jet printing method or the screen printing method. The apparatus comprises a closed testing cavity and an LED light source. A lug boss for placing the chip is mounted on a base plate, and reeds are in a compression-type contact with the electrode pins of the chip. An integrated level of the electrode arrays on the chip can be changed according to different requirements, and has strong expansibility. Various testing conditions of the apparatus, such as wavelengths of the light source, intensity of the light source, atmosphere, humidity, bias voltage, and the like, can be changed conveniently, so that abundant testing results can be obtained and perfect databases can be established. Moreover, the apparatus is simple in structure and small in size, and has good reliability. The chip and the apparatus have important applications in the fields of room temperature gas-sensitive sensors, optical detections, photocatalysis, etc.

The invention discloses a kitchen waste composting barrel. The kitchen waste composting barrel comprises a barrel body and a barrel lid, wherein the barrel body is internally provided with a water filtering board; the circumferential outer side of the water filtering board is in contact with the barrel wall of the barrel body; the water filtering board divides the barrel body into a composting area and a filtered water collecting area; a plurality of grooves are formed in the inner side of the barrel wall; a mesh plate is arranged at the outer surface of each groove; the mesh plates and the grooves form vertical cavities; the cavities are communicated with the filtered water collecting area; the bottom surface of the inner wall of the barrel lid is inclined or curved; the lowest end of thebottom surface of the inner wall of the barrel lid corresponds to one of the cavities and import condensed water formed on the inner wall of the barrel lid into the cavity through a collecting plate;and an intake valve and an exhaust valve are fixed on the barrel body. The condensed water on the barrel lid is collected at the lowest end of the bottom surface of the inner wall of the barrel lid,so that the outflow of the condensed water in the composting barrel is facilitated, and the humidity in the composting body can be changed by collecting the condensed water; and in addition, the air flow in the composting body can be adjusted through the intake valve and the exhaust valve.

The invention a method for testing and predicating the wearing of an excavating device cutter in a soft soil environment. The method simulates the actual working condition of engineering through a test technique, and predicts the wearing of the cutter in the actual engineering. The method can be used to scientifically and effectively test the wearing condition of the excavating device cutter in the soft soil environment, the onsite inspection and maintenance of the cutter are guided through the test of the wearing of the cutter, and the actual wearing amount of the cutter is calculated to determine the replacing cycle of the cutter, so inspection and maintenance personnel has no need to frequently enter a pressure chamber in the engineering and detect, the workload is reduced, and the excavating engineering process is improved; and the method fully considers the characteristics of the influences of the soft soil on the wearing of the cutter, and the optimal test running time is determined through preliminary test to make the test result scientific and close to the actual working condition, so the error of the test is reduced to well guide the engineering practice.

The invention provides an automatic-control humidification energy-saving fresh air system which comprises a shell, and a first cavity, a second cavity and a plurality of through holes are formed in the shell; the multiple through holes are evenly distributed in the upper end face of the shell, and the multiple through holes, the first cavity and the second cavity sequentially communicate in the vertical direction; two air outlets are formed in the top of the shell in a bilateral symmetry mode, and the air outlets vertically communicate with the through holes; two air inlets are symmetrically formed in the bottom of the shell; an automatic humidifying device is arranged in the second cavity of the shell; and two filter membranes are symmetrically and obliquely arranged in the first cavity of the shell. According to the automatic-control humidification energy-saving fresh air system, due to the fact that a pollutant removal assembly is adopted, the pollutant removal capacity is greatly improved, the air inlets communicate with the pollutant removal device, the purposes of removing pollutants and purifying air can be achieved, and therefore, the problem that an existing humidificationenergy-saving fresh air system cannot filter out pollutants in air can be solved.

The invention provides intelligent conversion equipment for agricultural soil pollution and a working method thereof. The intelligent conversion equipment comprises a detection mechanism, a conversionmechanism, a movement mechanism and a control mechanism, wherein the control mechanism comprises a processor, a driving device, a storage device, a positioning device and a navigation device; the storage device is used for acquiring a soil detection result stored in each region; the positioning device is used for acquiring position information of the conversion mechanism; the navigation device isused for generating a movement path of the conversion mechanism; the detection mechanism is used for detecting soil components; the conversion mechanism comprises a photographing device, a storage cavity, a first mechanical shovel, a weighing scale, a conveying device and a second mechanical shovel; the photographing device is used for acquiring an ambient environment of the conversion mechanism;the weighing scale is used for detecting soil quality in the storage cavity; the storage cavity comprises an input end opening and an output end opening; the input end opening and the output end opening are communicated through the conveying device; the first mechanical shovel is used for digging polluted soil; the second mechanical shovel is used for digging qualified soil; the movement mechanism is used for driving the conversion mechanism to move.

In a semiconductor laser device, a flange (33) of a cap (32) is provided with straight-line cut-off portions (34) that are the same in number as notches (36, 37) of a stem (35). With the cut-off portions (34) positioned so as not to overlap the notches (36, 37) of the stem (35) in position, welding between the cap (32) and the stem (35) is performed. The cut-off portions (34) of the cap (32) secure obtainment of a reference plane 38 with a large area in a place where the notches (36, 37) of the stem (35) are absent. As a result, sufficient precision in optical characteristics can be secured while suppressing an influence of unevenness of the stem (35) having a small diameter on a deviation angle θ of an optical axis from a normal line to a reference plane of an optical pickup.

The invention relates to flow control equipment with controllable gas temperature and humidity. The flow control equipment comprises a control equipment body, a control module, a humidifying adjustingchannel, a drying adjusting channel, a temperature adjusting device, a humidifier, a dryer and a temperature and humidity sensor; the temperature and humidity sensor is arranged at an output channelof the control equipment body, the humidifying adjusting channel communicates with the humidifier through the temperature adjusting device, the drying adjusting channel communicates with the dryer through the temperature adjusting device, the humidifying adjusting channel penetrates through the humidifier to communicate with the output channel of the control equipment body, the drying adjusting channel penetrates through the dryer to communicate with the output channel of the control equipment body, the temperature of the gas can be adjusted through the temperature adjusting device, and the flow of the gas flowing through the humidifying adjusting channel and the drying adjusting channel is adjusted respectively, so that target gases with different humidity can be matched; and meanwhile, the temperature and the humidity of the output gas can be controlled.

The invention discloses a preparation method of modified hyperbranched polyester. The preparation method comprises the following steps: adopting N,N-2-hydroxyethyl-3-alanine methyl ester as a monomer, pentaerythrotol as the nucleus and p-toluenesulfonic acid as a catalyst to prepare second-generation hyperbranched polyester through mass polymerization; then adopting stearic acid as a modifier, p-toluenesulfonic acid as a catalyst and N,N-2-hydroxyethyl-3-alanine methyl ester as a monomer to prepare a modified monomer; adopting p-toluenesulfonic acid as a catalyst to enable the monomer, the modified monomer and the second-generation hyperbranched polyester to react so as to obtain the modified hyperbranched polyester. The preparation method simplifies the synthesis process, greatly reduces time consumption, meanwhile, reduces the probability of autopolymerization side reaction of the monomer in the growing process of the hyperbranched polyester and improves the efficiency.

The invention discloses a food fermentation box for research and development and detection of fermented flour products. The food fermentation box comprises a box body, wherein a temperature controlleris arranged in the box body; a water tank is arranged at the bottom of the box body; an electric heating tube is arranged at the bottom of the water tank; two trays are movably arranged in the box body; a fermentation vessel is arranged at the upper end of each tray; a fixed seat is welded on an inner wall of the box body; a contrast test tube is inserted into the upper surface of the fixed seat;an outer wall of the contrast test tube is provided with scales; and a magnetic ring is also connected to the inside of the contrast test tube in a sliding manner. The food fermentation box has the advantages that the fermentation progress of dough can be monitored without opening the box body, and the complicated step that research and development staff repeatedly open the box body to detect thefermentation progress can be omitted, so that the food fermentation box is more convenient to use; a relatively large research and development data error caused by excessive dough fermentation can beavoided and research and development data are more accurate; and changes of temperature and humidity in the box body when the research and development staff open the box body can be avoided, and thefermentation efficiency is higher.

The invention discloses an intelligent warehousing system, which comprises a monitoring center, and is characterized in that the monitoring center comprises a main control module, and the main controlmodule is connected with an alarm module, a display module, a cargo positioning module and a wireless transmission module; wherein the cargo positioning module is sequentially connected with an electronic tag generation module and a warehousing module, the main control module is connected with the temperature and humidity acquisition module, the main control module is sequentially connected witha first driving module and the temperature and humidity adjustment module, and the wireless transmission module is sequentially connected with the robot carrying system and the warehouse-out module. Through the warehousing module, the electronic tag generation module and the goods positioning module, warehouse cargo receiving, warehousing and warehouse-out information electronic management can berealized; the system greatly shortens the cargo searching, sorting and delivery time, saves manpower resources, achieves the complete autonomous movement ofa robot for searching the goods, improves the office efficiency, guarantees the customer service quality, and brings economic benefits to an enterprise.

A test method of a liquid crystal display comprises the steps of performing a signal switching surge test and circularly powering on and off the liquid crystal display; performing temperature and humidity circulating surge test while the signal switching surge test is performed, circularly placing the liquid crystal display in a high-temperature high-humidity environment and low-temperature high-humidity environment, and circularly placing the liquid crystal display in a high-temperature low-humidity environment and low-temperature low-humidity environment; performing image quality testing on the liquid crystal display. By performing signal switching surge test and temperature and humidity circular surge test on the liquid crystal display, the electrochemical reaction among frame rubber lines of a liquid crystal panel is accelerated, and potential defects, such as liquid crystal leakage abnormity, possibly occurring after the long-term use in the design stage can be exposed in a short time.

The invention provides an inlet gas humidity regulation and control device of a fuel cell, belongs to the technical field of fuel cells, and solves the problem that the humidity regulation and control effect in the prior art is easily influenced by use conditions or equipment attenuation. The device comprises a first flow regulating valve, a second flow regulating valve, a first intercooler, a second intercooler, temperature control equipment, a humidifier and a controller, wherein the gas inlet of an electric pile is connected with the output end of gas inlet equipment through the first intercooler, the dry area of the humidifier and the second intercooler in sequence, the input end of the first flow regulating valve is connected with the cooling liquid outlet of the electric pile and the cooling liquid outlets of the first intercooler and the second intercooler, the first output end of the first flow regulating valve is connected with the input end of the second flow regulating valve through the temperature control equipment, the second output end of the first flow regulating valve is connected with the cooling liquid inlet of the second intercooler, the first output end of the second flow regulating valve is connected with the cooling liquid inlet of the electric pile, and the second output end of the second flow regulating valve is connected with the cooling liquid inlet of the first intercooler. According to the invention, the humidity of the gas entering the electric pile is regulated by regulating the temperature of the two-stage intercooler, so that the environmental adaptability is effectively improved, and the service life of the electric pile is effectively prolonged.

The invention discloses an efficient combined refrigeration system which comprises an absorption type refrigeration system and a compression type refrigeration system, wherein the absorption type refrigeration system is used for temperature adjustment and comprises a generator; the compression type refrigeration system is used for dehumidification adjustment and comprises a compressor and a heat exchange conduit communicating with the air outlet end of the compressor; and the heat exchange conduit is arranged in absorption liquid of the generator. The efficient combined refrigeration system provided by the invention can be used for waste heat utilization and realizes independent separation control of a temperature and a humidity. A refrigerator with the efficient combined refrigeration system is further provided.

A wood flooring system includes a plurality of flooring panels being connected edge to edge, wherein each of the flooring panels comprises a top refinishable element and a bottom substrate bonded underneath the top refinishable element. The top refinishable element is made of natural material adapted to be refinished due to surface damage. The bottom substrate is made of heat and moisture barrier material to minimize the top refinishable element being reacted to changes in humidity with minimum expansion of the top refinishable element.

The invention discloses an auxiliary device for the experiment of terahertz spectrum detection equipment. An environment variable experiment chamber is provided for the terahertz spectrum detection equipment, the experiment chamber is formed by splicing of liquid crystal glass, the illumination in the experiment chamber is controlled by adjusting whether the liquid crystal glass is transparent ornot, the effects of fluorescence on the experiment are eliminated, the effects of external noise on the experiment are reduced, the humidity in the chamber is changed through supplying dry air or other inert gases to the experiment chamber, the temperature in the chamber is adjusted through a heater and a refrigerator, and the experiment chamber can reach an environment where the terahertz spectrum detection equipment can perform the experiment.