97results about How to "Fast ventilation" patented technology

The present invention relates to a pouch type case having trimming portions formed on both sides or four corners thereof and a battery pack including the same. The trimming portions are formed on the corners of the pouch type case such that the trimming portions are indented toward an electrode assembly accommodating part to reduce a unit area so as to increase pressure applied to unit cells when a battery pack is assembled, thereby facilitating assembling of the battery pack and increasing cell capacity per unit area. Furthermore, the unit cells can be fixed in the battery pack more stably. The pouch type case reduces the unit area so as to include a relatively large number of cells for pressure applied to the cells when the battery pack is assembled to thereby increase the cell capacity.

The invention relates to the technical field of air conditioners, in particular to a fresh air assembly capable of achieving annular air exhaust and an air conditioner. The fresh air assembly capable of achieving annular exhaust comprises an air flue. The air flue comprises an air inlet and an air outlet which are oppositely formed. A motor is arranged in the air flue and connected with a centrifugal blade. An annular air supply channel is formed between the inner wall of the air flue and the outer edge of the centrifugal blade. The air inlet and/or the air outlet are/is provided with a heat exchanger. According to the fresh air assembly capable of achieving annular air exhaust, during air exchange, annularly-exhausted airflow is in a scattered mode and can be rapidly scattered to any corner in a room, the air exchange speed is high, meanwhile, the airflow speed produced by the centrifugal blade is low, and air supply is in a scattered mode, so that the human body does not feel the strong face-blowing feeling, and the using comfort level of a user is high.

The invention discloses a metal plate cutting device for elevator production and processing. The metal plate cutting device comprises a transmission part, a cutting part and a hold-down part, wherein the transmission part comprises a power mechanism and a conveyor belt; the power mechanism is used for driving the conveyor belt to rotate; the cutting part comprises N cutting mechanisms, wherein N is an integer; the N cutting mechanisms are sequentially distributed in a conveying direction of the conveyor belt; each cutting mechanism comprises a sliding rod, a welding gun assembly, a first drive unit, a positioning plate, a speed sensor, a distance sensor and a controller; each sliding rod is arranged above the conveyor belt, and is horizontally arranged; the length direction of the sliding rod is perpendicular to the conveying direction of the conveyor belt; each welding gun assembly can be movably mounted on each sliding rod; the gun head of each welding gun assembly is downwards arranged; each welding gun assembly and each first drive unit are in communication connection with each controller; each first drive unit drives each welding gun assembly to move in a length direction of each sliding rod; and each positioning plate is arranged at one side of the conveyor belt. The metal plate cutting device is good in metal plate cutting effect, is high in cutting precision and is convenient to use.

The present invention is ventilating sole, including bottom sole and middle sole, with ventilating holes. The ventilating middle sole includes one frame, one ventilating net fixed onto the frame, and has ventilating holes in the heel part. The bottom sole is provided with uprights to support the ventilating net. In the front end of the middle sole, there is one front conjugate with ventilating holes and ventilating channels. The ventilating sole of the present invention has the advantages of great air chamber volume, fast air exchange speed, capacity of exhausting heat, moisture and bad smell fast, and being comfortable and healthful.

The invention discloses an elevator production metal plate machining system which comprises a conveying part, a power part and a cutting part. The conveying part is used for conveying metal plates, and comprises a base, a movable piece and a supporting unit. A horizontal guide rail is arranged on the base. The movable piece is movably installed on the guide rail. The supporting unit comprises a plurality of supporting plates which are sequentially installed on the movable piece in the length direction of the guide rail. The power part is used for driving the movable piece to move in the length direction of the guide rail. The cutting part comprises a support, beams, a movable block, a welding gun assembly, a first power unit, a position sensor, a timer and a controller. The beams are arranged above the supporting plates and horizontally installed on the support. The length direction of the beams is perpendicular to the length direction of the guide rail. A first position and a second position are preset on each beam. The movable block is movably installed on the beams. The welding gun assembly is installed on the movable block. The metal plates can be effectively cut, and the effect is good.

The invention discloses a green building energy-saving ventilation structure. The structure comprises a building body and net plates, wherein the net plates are fixedly connected to the interiors of the left side and the right side of the building body, and a ventilation device is installed in the building body. According to the green building energy-saving ventilation structure, through mutual cooperation of a first transverse plate, an exhaust fan, a H-shaped plate, a first motor, fan blades and other structures, the fan blades can be driven to rotate through an output shaft of the first motor, meanwhile, the exhaust fan is matched for work, and therefore the purpose of rapid ventilation is achieved; and through mutual cooperation of a second motor, a threaded rod, a gear plate, a solarphotovoltaic panel, an F-shaped plate and other structures, the threaded rod can be driven by the second motor to rotate, the threaded rod drives the gear plate to rotate, and the gear plate drives the solar photovoltaic panel to rotate, so that the angle of the solar photovoltaic panel is adjusted.

The present invention provides air purification equipment. It includes the following portions: air supply pipeline, exhaust pipeline, air supply fan, and exhaust fan, full heat exchanger, circulating pipeline, opening/closing device and air purification device. Said invention also provides the concrete function of the above-mentioned every component and their connection mode.

The invention relates to a vegetable greenhouse which comprises walls and supports. The walls comprise the left wall, the right wall and the rear wall, the supports are in an arc shape, a light-transmitting film covers the outer sides of the supports, the inner sides of the walls are covered with wall heat preservation quilts covering the walls respectively, the light-transmitting film is covered with a heat preservation quilt, the heat preservation quilt comprises a composite foam layer and a waterproof heat preservation layer, and the heat preservation quilt is connected with a curtain rolling machine. The greenhouse is good in heat preservation effect in winter and at night, no heat source needs to be additionally arranged in the greenhouse, and partition irrigation and selective irrigation are facilitated.

A milking machine cylinder comprising a flexible element and at least one sensor element which detects at least a substantial weight relief of the flexible element in order to trigger a start signal for a milking process.

A device for supporting of a patient on a patient positioning table that can be inserted into a scanner of a PET system in a PET examination has a vacuum mattress and has an electrically-operated compressor connected to the vacuum mattress. The compressor is controlled with a control device that can be activated with a foot.

An embodiment of the invention discloses a new laboratory fume hood. The fume hood comprises a workbench, wherein a shaft is movably arranged at the center of the inner cavity of the workbench, a motor is fixed on one side of the workbench, the shaft is in transmission connection with the motor through an output shaft, both sides of the shaft are provided with adjusting plates, both the two adjusting plates are slidably connected to the shaft, and both the adjacent sides of the two adjusting plates are movably provided with first driving bevel gears. In the invention, a placement cabinet is driven to move up and down through the motor to facilitate the use of people of different heights, an electric push rod drives the two first driving bevel gears to move to the middle of the shaft, the motor can drive two exhaust fans to rotate to generate airflow, and the airflow moves above the workbench through a wind gap, with a fan to speed up the air exchange rate at the top of the workbench. The fume hood has both lifting and double exhaust functions, has a wide range of use and is of a movable structure design, and is convenient to adjust and use and easy to promote.

An outdoor decorated and ventilated shoe box for ventilating, storing or drying one or more pairs of shoes outdoors. The container has a water-resistant top cover, perforations or openings on its side walls and bottom to allow the outdoor air into the box, awning or fins on its sidewalls to prevent water from getting into the box, yet letting the air inside through the perforations on its sidewalls, and secure attaching element to attach the shoe box to the window, window frame, or the wall adjacent to the entrance door of a building.

The invention discloses a multi-mode ventilation purifier. A plurality of use modes are designed for the ventilation purifier, and comprise two kinds of unpowered ventilation modes, ventilation is performed through outdoor air pressure, and the two kinds of unpowered ventilation modes are suitable for being used in the conditions under which outdoor meteorological air speed is relatively high andthe outdoor air quality reaches the level of being good or mildly polluted; the plurality of use modes comprise three kinds of mechanical ventilation modes which refer to a medium-efficiency fresh airpurification mode, a high-efficiency fresh air purification mode and an indoor self-purification mode, and three kinds of mechanical ventilation modes are suitable for being used in the condition under which the haze weather exists or rapid ventilation purification needs to be performed indoors. The ventilation purifier is divided into a mechanical ventilation box and a natural ventilation box through a middle partition plate, and internally comprises a control system, wherein the control system is provided with a control panel, the control system is mainly used for controlling the work of ascrew sliding table and a fan, through the control panel, all the ventilation modes and air volume can be manually and automatically selected according to indoor and outdoor air quality conditions andventilation requirements, and are displayed, so that the use by users is facilitated, through the multi-mode cooperated ventilation mode, the ventilation energy consumption can be reduced, and the service life of a filter can be prolonged.

A suction roller system includes a suction roller and a control head having a ventilation zone situated at a face side of the suction roller. The suction roller system allows rapid ventilation of the suction bores situated on the face side opposite the control head via a cost-advantageous and space-saving expansion. For this purpose, the suction roller is equipped, on the second face side, with a closure plate having an opening that corresponds to the ventilation zone.

The invention discloses a ventilation and heat dissipation type optical fiber cable distribution box which comprises a box body, a heat dissipation plate is in lap joint with the inner wall of the boxbody, a heat dissipation case is arranged at the top of the heat dissipation plate, a liquid storage tank is fixedly connected to the inner bottom wall of the heat dissipation case, evaporation liquid is injected into the liquid storage tank, the top of the liquid storage tank communicates with a sliding pipe, a piston rod is slidably connected into the sliding pipe, and a pressure valve is installed at the communication position of the sliding pipe and the liquid storage tank. According to the ventilation and heat dissipation type optical fiber cable distribution box, a large amount of heatis gathered in the long-time use process of the optical fiber cable distribution box, dichloromethane with the boiling point of 39.75 DEG C is adopted as evaporation liquid in the liquid storage tank,the evaporation liquid absorbs heat and evaporates when the temperature is high, and the evaporation liquid is condensed and liquefied when the temperature is low; and when the temperature in the boxbody is close to the boiling point of the evaporation liquid, the evaporation liquid absorbs heat and evaporates rapidly, the temperature in the box body is lowered preliminarily, and the box body has a good heat dispelling effect.

The invention discloses a water conveying valve top water stop cavitation preventing method and structural arrangement. A water conveying valve top water stop head cylindrical cavity is utilized as a ventilation transverse pipe, a system ventilation pipeline is formed by arranging a ventilation main steel pipe, a check valve, a ventilation main hose and a ventilation branch pipe, automatic ventilation pipeline ventilation is achieved through the negative pressure generated behind the narrowest fracture surface through narrow slit high-speed jet flow at the beginning of the opening of a water conveying valve, the top water stop cavitation of the water conveying valve is restrained, impact vibration generated at the beginning of the water conveying valve is eliminated, and safe and stable running of the water conveying valve is guaranteed. According to the water conveying valve top water stop cavitation preventing method and the structural arrangement, the structure is simple, operation is easy, and the cavitation preventing effect is obvious.

Disclosed in the invention is an automatic control system for a temperature in a greenhouse. An indoor temperature sensing device collects current indoor temperature information, an outdoor temperature sensing device collects current outdoor temperature information, and a control center stores information of an optimum temperature for the crop; the indoor temperature information is compared with the optimum temperature for the crop; when the indoor temperature is lower than the optimum temperature, if the outdoor temperature is higher than the optimum temperature, forward air exchange by an air interchanger is carried out; and if the outdoor temperature is lower than the optimum temperature, a heating device is started; and when the indoor temperature is higher than the optimum temperature, if the outdoor temperature is higher than the optimum temperature and reverse air exchange by the air interchanger is carried out; and if the outdoor temperature is lower than the optimum temperature, forward air exchange by the air interchanger is carried out. The air interchanger adjusts the indoor temperature and the heating device carries out heating indoors. With the system, the manpower investment can be saved; the operation becomes simple and stable; and practicability is high.

The invention provides an ocean platform ventilation system control method based on temperature and hydrogen sulfide concentration control, and the method comprises the following steps: building a hydrogen sulfide gas concentration change differential equation in an ocean platform cabin, defining a variable air volume air box and an air handling unit in each cabin as an intelligent agent, and obtaining N + 1 intelligent agents, wherein N is the number of the ocean platform cabins; fitting the intelligent agents by adopting a neural network, wherein each intelligent agent comprises an actor network responsible for generating a strategy and a critic network responsible for evaluating the strategy in real time; defining states and actions of N + 1 agents at the moment t, and defining temperature and hydrogen sulfide concentration overrun penalty functions of the agents in the cabin; and performing intelligent agent training. According to the control method of the ocean platform ventilation system, the hydrogen sulfide gas with the temperature and the concentration exceeding the standard in the ocean platform cabin can be controlled.

The invention discloses a device for detecting the gas distribution characteristics of a limited space, and relates to the technical field of limited space gas distribution detection. The device comprises a cylinder body and gas measuring equipment. The upper port of the cylinder body is provided with a top cover, the cylinder body is provided with a scale, the top cover is provided with a circular operation hole, and a plurality of measurement holes are equidistantly distributed in the side wall of the cylinder body in the vertical direction. The gas measuring equipment comprises a gas measuring instrument, a fixing clamp, a sliding rail, a remote control motor, a spool and a nylon wire, the sliding rail is arranged in the cylinder body, the gas measuring instrument is installed on the fixing clamp, the fixing clamp is slidably connected to the sliding rail, the remote control motor is installed on the top cover, the spool is installed on a motor shaft of the remote control motor, andthe two ends of the nylon wire are connected with the wire spool and the fixing clamp respectively. The device is low in manufacturing cost, is not affected by factors such as time, places and equipment, can enable students to have visual understanding of the gas distribution characteristics of a limited space, improves the training efficiency of the students, has three measurement modes, and canbe suitable for different gas measurement instruments.