44results about How to "Adjustable wind speed" patented technology

The invention belongs to a drying device suitable for food. The device comprises a drying chamber, a rotating wheel dehumidification system, a refrigerating system, a heater, a humidifier, a circulating air supply system, a main air path and a control system. The drying chamber, a refrigerating system evaporator, the heater, the humidifier, and a circulating fan are connected by air pipes in order so as to form the main air path. The rotating wheel dehumidification system and the main air path are in parallel connection. A food drying method of the drying device provided in the invention consists of: according to a drying curve and a drying rate curve, adjusting the drying chamber temperature, the relative humidity and the air speed, and comparing an actual water content with a product water content to determine whether ending the drying process. Heating dehumidification, evaporator dewing dehumidification, and adsorbing dehumidification by a rotating wheel dehumidifier are employed to realize drying chamber humidity control. The device has the characteristics of wide temperature and humidity control range, good uniformity, and adjustable air speed, can monitor the weight of a dried material in real time, control the drying process, lower energy consumption, and can be used for drying fruits and vegetables, spices, fish, meat, egg products, gel products or / and cereals.

The invention relates to a monorail plant protection robot for a greenhouse and a control method thereof. The monorail plant protection robot comprises a guide track, a drive system, a mist spray system, a mist spray posture adjustment system, a control system and a power supply source. The guide track is used for supporting the drive system and achieves guiding and auxiliary locating functions of the drive system. The drive system is used for supporting the mist spray system, the mist spray posture adjustment system and the control system to advance, retreat or stop along a monorail track. The mist spray system is used for carrying out mist spraying operation on crops. The control system is used for accurately locating the plant protection robot in the greenhouse, giving a control signal for moving or stopping the plant protection robot, controlling the mist spray system to adjust mist spray postures and changing mist spraying modes. The operation motion of the plant protecting robot is accurately controlled, for different planting modes and different growth periods of vegetables, corresponding mist spraying operation modes are changed, and the full-automatic precision mist spray function is achieved; meanwhile, intelligent feedback control is adopted, and therefore the plant protection robot is good in safety and high in automation degree and working efficiency, and saves labor.

The invention discloses a device and a method for simultaneously controlling a flame shape and flame temperature. The device comprises an air supply fan, an air duct, a combustor, a mass flow meter, a temperature sensor, a controller and a test bench, wherein a plurality of flow deflectors are arranged in the air duct; and a rotating angle of each flow deflector can be adjusted. The method comprises control over air speed, the flame shape and the flame temperature, and specifically comprises the following steps of roughly adjusting the air speed by using a fan frequency modulator, and finely adjusting the air speed at an outlet by using the flow deflectors; controlling the air speed at each point on a combustion board to realize different shapes of flame; and transmitting temperature data to the controller by using the temperature sensor, thereby regulating a set fuel gas flow value or a fuel gas type to realize control over the flame temperature. According to the device and the method, the fan is used for simulating external air when a fire outside a building happens, an automatic control device is used for controlling the flow deflectors to remotely and accurately control the air speed, and the mass flow meter is used for controlling fuel gas flow to control the flame temperature.

The invention belongs to the field of jet technology and relates to a synthetic thermal jet exciter for removing damp / frost / ice and application thereof. The synthetic thermal jet exciter is composed of synthetic jet exciters and heat sources, wherein each synthetic jet exciter is composed of a cavity, a vibration diaphragm and an outlet, the cavity is provided with one or more of outlets, and the heat source is arranged in the cavity. The synthetic thermal jet exciter can be singly used and also can be installed in the equipment needing to be heated to form an array to be used, a heating device is additionally arranged in an existing exciter cavity, and a thermal jet with a relatively high speed is synthesized at each outlet so as to be used for removing damp, frost and ice. The synthetic thermal jet exciter has the advantages of no need for gas sources, simple and portable structure, rapid response, high efficiency, low energy consumption and the like, can be used for small and medium-sized aircrafts, vehicles, refrigerators and the like for removing ice and frost, and also can be used for hand dryers, clothes dryers, shoe dryers and the like for removing damp.

An anion air bath machine includes: a shell body, a plurality of air inlets and a plurality of air outlets which are arranged on the shell body, an air duct, a fan, a heating system, an anion generator and a control system which are arranged in the shell body; the air outlets are communicated with the air inlets through the air duct, the fan sends the air which flows through the air inlets to the air outlets for blowing out, the air outlets are the direction changing air outlets of 360 degrees; the fan, the heating system, the anion generator and the control system are electrically connected. The usage of the anion air bath machine of the invention can quickly dry the water on the body surface after bathing, effectively substitute towel and other traditional cleaning methods, avoid the bacterial infection caused by the repeated usage of the towel and also reduce the using amount of the towel to save management cost; at the same time, the anion air bath machine has the functions of temperature control, air purification, adjunctive physiotherapy and so on, in addition, the usage is convenient, the temperature, the time and the air speed are adjustable, the air direction is changeable by 360 degrees, so the invention is safe, comfortable, healthy and environmentally protective.

The invention discloses a clean working table. The clean working table comprises an operation chamber, a transmission chamber and a holding cabinet, wherein the operation chamber is positioned on an operation table top; the transmission chamber and the holding cabinet are sequentially arranged at the bottom of the operation table top; a transmission device is arranged in each of the operation chamber and the transmission chamber; a window used for taking and putting articles is formed in one side of each of the transmission device; an efficient filter and a fan are arranged on the top of the operation chamber; a sterilization device and a lighting device are arranged on one side part of the operation chamber; a transmission hole is also formed in the operation table top in the operation chamber; a plurality of operation holes in which the hands can be inserted are formed in the side wall of the operation chamber. The clean working table is reasonable in design and capable of sterilizing used instruments in experiments in time; the transmission device is arranged in each of the operation chamber and the transmission chamber, the window used for taking and putting articles is formed in one side of each of the transmission device, and thus products are convenient to take and put, the working efficiency is improved and meanwhile, the air pollution caused by opening the operation holes for multiple times is avoided.

The invention discloses a testing device for indoors simulating the soil body evaporating process, and relates to the technical field of soil body evaporating tests. The testing device comprises a support. An electronic scale is arranged in the middle of the inner side of the support. A soil column casing is arranged at the top end of the electronic scale. A soil sample is arranged in the soil column casing. A plurality of TDR moisture sensors are inserted in the soil column casing. A fan is arranged on one side of the support. A temperature and humidity sensor is arranged on the other side ofthe support. An arc-shaped plate is arranged on the inner side of the support and slidingly connected with a slide rod. A slide rail is arranged at the upper portion of the slide rod. An infrared lamp is arranged at the bottom end of the slide rod. A threaded rod is arranged at the top end of the support and penetrates through a movable block. A push rod is arranged at the lower portion of the movable block. One side of the soil column casing is provided with a CCD microscope camera through a supporting frame. The actual evaporating environment of a to-be-tested sample can be indoors precisely simulated, the experiment effects can be easily compared, and the external workloads are reduced.

The invention relates to a greenhouse soil temperature adjusting pipeline and device. The greenhouse soil temperature adjusting pipeline comprises support rings, support ribs and dense mesh cloth; thesupport rings are distributed at equal intervals, the support ribs are bundled outside the support rings at equal intervals, and the dense mesh cloth wraps the support ribs. The greenhouse soil temperature adjusting device comprises the temperature adjusting pipeline, an outlet of the temperature adjusting pipeline extends out of a soil layer, an inlet of the temperature adjusting pipeline is connected with an air inlet pipe, two air inlets are formed in the air inlet pipe, one air inlet is formed between two layers of heat preservation film of a greenhouse, the other air inlet is formed in the greenhouse, a switching valve is arranged between the two air inlets, and an electric heating section is arranged on the air inlet pipe. According to the greenhouse soil temperature adjusting pipeline and device, high-temperature air naturally formed in the indoor top space and an electric heating device are utilized to provide a heat source, and then hot air is introduced into a heating pipeline in soil through a pipeline fan. By comprehensively utilizing the functions of equipment of adjusting the air inlets, the wind speed and the heating power, the purpose of maintaining soil temperature is achieved.

The invention is applicable to the technical field of fans, and provides an air speed control method and device and a fan. The method comprises the steps of collecting the environmental information ofa current position, and the human body feeling coefficient, the human body radiation intensity and the human body position information of each person in the maximum rotation working range of the fan;according to the environment information and the human body feeling coefficient of each person, the human body radiation intensity and the human body position information of each person, determininga target air speed and a target rotation working range of the fan for discharging air to each person; and controlling the fan to discharge the air to each person according to the target air speed within the target rotating working range. According to the air speed control method, the problem that an existing fan cannot automatically adjust the speed according to external environment changes is solved.

The invention discloses an adjustable vortex type airflow drying oven and relates to the field of drying ovens. The problems that most drying ovens in the prior art cannot well control airflow, so that drying is not uniform, drying time is long, and the efficiency is not high are solved. The adjustable vortex type airflow drying oven comprises an oven body. A vortex drying cavity is formed in the oven body. The inner wall of the vortex drying cavity is provided with a plurality of air injection cavities distributed in an annular array manner. The outer walls of the air injection cavities are in an arc shape. Air injection pipes are arranged at the positions, corresponding to the air injection cavities, of the outer wall of the vortex drying cavity. A drying device, a fan and a heating device are also arranged in the oven body. A humidity sensor is arranged on a pipeline between the drying device and the fan. The inner wall of the vortex drying cavity is further provided with a temperature sensor. A man-machine visual control screen is arranged on the outer side of the vortex drying cavity. By the adoption of a vortex way, the air in the drying cavity evenly flows, hot air can bring away more moisture or other volatile liquid when entering the drying cavity, drying time is greatly shortened, and drying efficiency is improved.

The invention belongs to the field of jet technology and relates to a synthetic thermal jet exciter for removing damp / frost / ice and application thereof. The synthetic thermal jet exciter is composed of synthetic jet exciters and heat sources, wherein each synthetic jet exciter is composed of a cavity, a vibration diaphragm and an outlet, the cavity is provided with one or more of outlets, and the heat source is arranged in the cavity. The synthetic thermal jet exciter can be singly used and also can be installed in the equipment needing to be heated to form an array to be used, a heating device is additionally arranged in an existing exciter cavity, and a thermal jet with a relatively high speed is synthesized at each outlet so as to be used for removing damp, frost and ice. The synthetic thermal jet exciter has the advantages of no need for gas sources, simple and portable structure, rapid response, high efficiency, low energy consumption and the like, can be used for small and medium-sized aircrafts, vehicles, refrigerators and the like for removing ice and frost, and also can be used for hand dryers, clothes dryers, shoe dryers and the like for removing damp.

The invention relates to the technical field of metal heat treatment, and discloses an integrated furnace body with annealing and curing functions. The integrated furnace body comprises a carrier plate, wherein a vertical plate is fixedly mounted at the top of the carrier plate, and a heating furnace body is fixedly mounted at the top of the carrier plate and located at the right side of the vertical plate; and a supporting plate with one end fixedly connected with the vertical plate is fixedly mounted at the left side of the heating furnace body. According to the integrated furnace body withthe annealing and curing functions, by arranging a push-up push rod, a limiting plate and a controller, a user starts an electric push rod to drive a wind speed sensor to move forwards to the positionunder a fan device, observes wind speed information detected on the wind speed sensor, and starts the push-up push rod through the controller according to different wind speeds; and the push-up pushrod is pushed to drive a fan device to move up and down, and if the air speed is too high, the fan device is adjusted to move up, and if the air speed is slightly low, the fan device is controlled tomove down, so that the air speed during annealing is adjustable, and the annealing and curing effects on metal parts are better.

The invention discloses a high-efficiency automatic dryer for eggs. There is a conveyor belt that passes through the upper opening horizontally and straightly in the box. The upper part of the first-stage drying box is also equipped with a hot air blower, a hot air pipe and a plurality of guide pipes. One end of the hot air pipe is connected to the hot air blower. The outlet at the other end is connected to a plurality of flow guide pipes. The conveyor belt is provided with a plurality of processing stations for placing raw eggs. The position of the air outlet of the flow guide pipe corresponds to the processing stations. A constant temperature device is provided to control the internal temperature of the box body, and a blower device for accelerating air flow is provided in the secondary air-drying box. The high-efficiency automatic egg dryer not only has a good drying effect, but also has a high drying efficiency. It can maximize the drying effect and drying efficiency without affecting the quality of eggs, and has high practicability.

The invention discloses a side blowing device capable of controlling temperature sectionally. According to the side blowing device, one end of an air flow channel is connected with a static pressure box, the other end of the air flow channel is connected with a side blowing window. A surface condenser is arranged in the air flow channel. The interior of the air flow channel is divided into a plurality of areas in the longitudinal direction. According to the ide blowing device capable of controlling the temperature sectionally, wind speeds of subareas in the longitudinal direction can be adjustable, the temperature of each subarea can be independently controlled, and fiber cooling effect is better.

The invention provides an airflow buffer which is used in cooperation with a simple powder airflow grader in a quartz sand dry method processing airflow grading process and used for grading products which are 120 or more meshes in size. The airflow buffer is a cylindrical shell. The upper end of the airflow buffer is connected with a conical end socket, an upper discharge port is formed in the top end of the airflow buffer, the lower end of the airflow buffer is connected with a conical collecting hopper, and a lower discharge port is formed in the bottom of a cone. A conical ring is arranged on the portion, at the joint of the top end of a cylinder and the cone, inside the cylinder, an annular cone hopper is arranged on the upper middle portion, the lower portion of the conical ring is connected with a columnar annular space grading ring, and the conical ring divides the interior of the cylinder into an upper chamber and a lower chamber. Mixtures which are 120 or more meshes in size enter an upper throwing impeller along with airflow and are evenly thrown towards the periphery, most fine particles which are more than 120 meshes in size are discharged from the upper discharge port along with the ascending airflow under the effect of the airflow, particles which are 120 meshes in size or a small number of particles which are more than 120 meshes in size are thrown, drop after making contact with the wall of the buffer and are gathered to a grading lantern ring, and are graded again by secondary air, and the particles which are 120 meshes in size are discharged through the lower discharge port.

The invention relates to a detection processing production line for natural mineral salt and a detection processing method. The detection processing production line for the natural mineral salt comprises a conveyor belt, a vibration screen, a dust sucking device, a magnetic filter, an ultraviolet light disinfection device and a discharging tank. The detection processing method comprises the steps that the natural mineral salt is placed into the vibration screen, the natural mineral salt with the size smaller than 7 mm and larger than 1-2 mm is screened down to the discharging tank of the production line; the dust sucking device is used for removing foreign matter and sucking various hair, grass seedlings, paper chips and woven bag seedling foreign matter away; the magnetic filter is used for removing metal materials; waste materials in an artificial detection area are removed, and stones with the same weight of the natural mineral salt or discolored salt or dirty salt can be quickly sucked out with a high-strength suction gun once being found; the ultraviolet light disinfection device is used for killing viruses and bacteria. The detection processing production line for the natural mineral salt and the detection processing method have the advantages that the sanitary quality safety of the natural mineral salt is guaranteed, and the standard of the edible natural mineral salt is met.

The invention discloses a blackwood chair equipped with a fan device. The blackwood chair comprises a backrest, a seat plate, chair legs and armrests, wherein the fan device can be arranged on the backrest and consists of air boxes, a fixing sleeve and a fastening strip, and since rubber bands are arranged in the fixing sleeve, the fan device can be sleeved at the upper part of the backrest firmly; the fastening strip is used for improving the stability of the fan device on the backrest, and the air boxes are symmetrically installed on two ends of the fixing sleeve. The blackwood chair equipped with the fan device, disclosed by the invention, has a unique function; the fan device arranged on the backrest of the blackwood chair can be used for cooling a person independently and has the advantages of adjustable wind speed and excellent cooling effect; and simultaneously, the fan device can be assembled and disassembled conveniently and is high in safety, and the fan device can be used more conveniently with low energy consumption because of a built-in rechargeable battery, therefore the blackwood chair equipped with the fan device meets the environmentally-friendly concept.

The invention relates to a monorail plant protection robot for a greenhouse and a control method thereof. The monorail plant protection robot comprises a guide track, a drive system, a mist spray system, a mist spray posture adjustment system, a control system and a power supply source. The guide track is used for supporting the drive system and achieves guiding and auxiliary locating functions of the drive system. The drive system is used for supporting the mist spray system, the mist spray posture adjustment system and the control system to advance, retreat or stop along a monorail track. The mist spray system is used for carrying out mist spraying operation on crops. The control system is used for accurately locating the plant protection robot in the greenhouse, giving a control signal for moving or stopping the plant protection robot, controlling the mist spray system to adjust mist spray postures and changing mist spraying modes. The operation motion of the plant protecting robot is accurately controlled, for different planting modes and different growth periods of vegetables, corresponding mist spraying operation modes are changed, and the full-automatic precision mist spray function is achieved; meanwhile, intelligent feedback control is adopted, and therefore the plant protection robot is good in safety and high in automation degree and working efficiency, and saves labor.

A multi-cavity continuous-microwave vacuum spray drying device is convenient to use and efficient, saves energy and improves dried product quality, and can be widely applied to the fields like food, chemical industry, medicine and environment protection. The drying device mainly comprises a main distributor (1a), a sub distributor (1b), a microwave generator (3), a pressure control system, a feeding inlet (11), a discharging outlet (12), distribution pipes (13) and a plurality of drying cavities (2). A plurality of vacuum drying pipes (10) are arranged in the drying cavities (2), and the pressure control system comprises a valve (4), a distribution box (5), a pressure sensor (6), a dust remover (7), a cold trap (8) and a vacuum pump (9). Through the design of multiple cavities, within the same pressure fluctuation range, the spray wind speed is adjustable, different materials can be dried at the same time continuously and conveniently, output is large, and compared with other drying modes, the heating time is shorter, the drying rate is improved, the materials are more evenly heated, and product quality is improved.

An airflow buffer used in conjunction with a simple airflow classifier for powder in the airflow classification process of dry processing of quartz sand to classify products of 120 mesh or above. The airflow buffer is a cylindrical shell, the upper end is connected with a conical head, the top is the upper outlet, the lower end is connected with a conical collecting hopper, and the bottom of the cone is the lower outlet. Inside the cylinder, a conical ring is set at the joint between the top of the cylinder and the cone, and an annular cone bucket is arranged at the middle and upper part. Chamber. The mixture of 120 mesh and above enters the upper impeller with the airflow, and is evenly sprinkled around. Under the action of the airflow, most of the fine particles above 120 mesh are discharged from the upper outlet with the upward airflow, and the particles of 120 mesh and a small amount of above 120 mesh are discharged. Sprinkle, fall and collect on the grading collar after hitting the wall of the container, and be classified again by the secondary air, and the 120-mesh particles are discharged from the lower outlet.

A closed self-circulation burn wound cooling and drying device comprises a transparent cover, an air return pipe, an air blowing pipe, a sealing ring and an elastic bandage which are arranged outsidea shell, and further comprises a sterilization device, a cooler, a dehumidifier, a fan, cooling fins, a power supply controller, a connecting pipe, a fan and an activated carbon adsorption box which are arranged in the shell. The transparent cover is sequentially connected with the air return pipe, the sterilization device, the cooler, the dehumidifier, the connecting pipe, the fan, the activatedcarbon adsorption box and the air blowing pipe, and the tail end of the air blowing pipe is connected back to the transparent cover to form a closed air self-circulation cooling and drying channel. The closed self-circulation burn wound cooling and drying device is low in use cost, wide in application range and bright in application prospect. When a power supply is connected, the temperature, humidity and wind speed of air in a closed self-circulation system can be adjusted. Dressing and medicine are not used, ice species do not need to be frequently added or ice bags do not need to be frequently replaced, use is easy and convenient, and comprehensive benefits are obvious.

The invention discloses a chain boiler air supply mechanism with a small wind bucket, which includes a furnace body, and is characterized in that it also includes a large wind chamber and a small wind bucket, a large wind chamber is arranged at the front end of the furnace body, and A number of small wind buckets are provided, and the large air chamber is connected with several small wind buckets through an air duct. A furnace front seal is arranged at the front end of the furnace body, and a furnace rear seal is arranged at the rear end of the furnace body. The rear of the furnace is sealed and fitted to form an annular sealing system, which wraps the air duct inside, and the large air chamber is in the shape of an inverted trumpet, and the closer to the furnace body, the larger the cross-sectional area of ​​the large air chamber. The invention provides a chain boiler air supply mechanism with a small air bucket, which is simple in structure, convenient to use, good in air distribution effect, sufficient in combustion, energy-saving and environment-friendly.

The invention discloses a personal thermal comfort device based on the Peltier effect. The personal thermal comfort device comprises a thermoelectric module, a cooling fan, an external packaging module, a micro air blower and a micro hose network. Heat dissipation plates are attached to the hot side and the cold side of the thermoelectric module correspondingly, the thermoelectric module and the heat dissipation fan form an integrated structure through an external packaging module with a channel, one end of the integrated structure is connected with the micro air blower, and the other end of the integrated structure is connected with the micro hose network. The micro air blower provides cold or hot air flow and leads to special clothes through the micro hose network, and a needed heat source or cold source is provided for the whole human body. According to the personal thermal comfort device based on the Peltier effect, the specific thermoelectric module, the heat dissipation fan and a heat dissipation plate are selected and combined into a detachable and portable thermoelectric conversion device. The micro air blower is selected to feed cold energy into the special clothes. The whole set of equipment has the advantages of portability, excellent energy efficiency and temperature controllability. A local thermal environment can be established by combining with a building heating and ventilating central air-conditioning system, and the personal thermal comfort is improved.