27results about How to "Meet Ventilation Needs" patented technology

The invention belongs to the technical field of tunnel ventilation regulation and control, and particularly relates to a control method of a highway tunnel ventilation system based on wind speed. According to the invention, sensors are arranged at key positions of a tunnel, wind speed and environmental parameters are collected, and traffic flow detection is carried out by using video equipment and an SVM model. Then, a comprehensive evaluation function is defined according to the collected data to calculate ventilation requirements, and a ventilation mode is selected based on the ventilation requirements; thirdly, the opening degree of a ventilation opening and the speed of a draught fan are adjusted through a PID controller, so that the ventilation requirement is met. Finally, CFD software is used for simulating air flow, the ventilation opening layout and opening and closing time are optimized through a simulated annealing algorithm, and therefore ventilation efficiency optimization is achieved. In the whole process, accurate control and intelligent optimization of the tunnel ventilation system are achieved, the ventilation efficiency is improved, and the energy consumption is reduced.

The utility model provides fan equipment which comprises a fan assembly and a base, and the fan assembly comprises a fan body, a rotating support, a fixed support and a first driving device; the fixed bracket is connected between the rotary bracket and the base; wherein the first driving device comprises a first motor, a first driving gear and a first driven gear, the fan body is rotatably connected to the rotating support, the first driving gear is meshed with the first driven gear, the first driven gear is fixedly installed on the rotating support, and the first motor is fixedly installed on the fan body; the first motor is in transmission connection with the first driving gear to drive the first driving gear to rotate, so that the fan body rotates up and down relative to the rotating support. The fan body provided by the utility model can be driven by the first motor to rotate up and down relative to the rotating bracket, so that the circulation of air in the height direction is promoted, the temperature stratification phenomenon is reduced, and the ventilation requirements of different heights in an area are met.

The utility model provides a mine main fan ventilation system. The mine main fan ventilation system comprises a ventilation pipeline and a plurality of fans, and the ventilation pipeline comprises a main pipeline and branch pipelines; the plurality of fans are arranged in the branch pipelines and are all connected with a fan frequency converter; the multiple gates are arranged on the ventilation pipeline and used for achieving connection and disconnection of the ventilation pipeline; the fans are electrically connected with a fan controller, the fan frequency converters are electrically connected with a fan frequency converter controller, and the gates are electrically connected with a gate controller. The plurality of fan controllers, the plurality of fan frequency converter controllers and the plurality of gate controllers are electrically connected with a PLC (Programmable Logic Controller); and the PLC is electrically connected with an upper computer. The mine main fan ventilation system capable of achieving remote control is composed of the ventilation pipeline, the multiple fans, the multiple gates, the controller, the upper computer and the like, and powerful guarantee is provided for safety production of a mine.

The invention provides an air direction and air volume adjusting device and an air direction and air volume adjusting method. The device comprises a central controller, a dust concentration sensor, a first flow sensor, a second flow sensor, an air volume adjusting assembly, a first air duct assembly, a second air duct assembly, a rotating assembly and an air outlet adjusting assembly. The central controller correspondingly controls at least one of the air volume adjusting assembly, the rotating assembly and the air outlet adjusting assembly to work according to dust concentration data detected by the dust concentration sensor and flow data detected by the first flow sensor and the second flow sensor. A mechanical structure does not need to be manually controlled for driving adjustment, so that the air direction and the air volume in a roadway are convenient to adjust, and time and labor are saved; moreover, the adjustment precision and sensitivity of the wind direction and the air volume are guaranteed, accurate control and quick response type dynamic adjustment of the air volume and the wind direction are effectively achieved, and then the good ventilation and dust control effect can be achieved.

The utility model discloses a combined type heat dissipation system for an air compressor, which comprises a shell and an air compressor body, the shell is placed on the ground, the air compressor body is arranged in the shell, and the shell is arranged on the ground. The ventilation mechanism is used for serving as a ventilation structure of the side portion of the air compressor, the heat dissipation mechanism is used for conducting combined type heat dissipation on the air compressor body, the base mechanism is used for providing installation support for the air compressor body, and the ventilation mechanism is arranged on the side portion of the shell. The air compressor has the advantages that the structure is simple, the ventilation mechanism and the heat dissipation mechanism are arranged, a fixed heat dissipation structure is matched with a dynamic heat dissipation structure, the air compressor is subjected to combined heat dissipation, the heat dissipation efficiency is improved, the heat dissipation efficiency is improved, and the service life of the air compressor is prolonged. According to the air compressor, targeted heat dissipation can be conducted on the high temperature position according to the actual situation in the air compressor, the flexibility is high, the base mechanism is arranged, and stable installation supporting can be provided for the air compressor body.

The invention relates to a ship methanol cabin ventilation overflow arrangement structure which comprises a methanol daily cabin and a methanol discharge cabin, and the top of the methanol discharge cabin is lower than that of the methanol daily cabin; a vent pipe of the methanol discharge cabin is led out from the top, a vent pipe of the methanol daily cabin is led out from the top end or the side part, then is bent downwards and is connected to the vent pipe of the discharge cabin, and the two vent pipes are converged together and then extend towards the bow or stern far away from the residential area along a pipe bracket arranged below the step bridge; a vent valve is arranged at the tail end of the vent pipe. According to the invention, materials of the vent pipe and the overflow valve are saved, and the cost is reduced; only the vent pipe below the step bridge needs to be fixed, so that the construction process is simplified; and the problem of safe overflow of the methanol daily cabin is ingeniously solved.

The utility model relates to the technical field of household appliances, and discloses a fresh air conditioner. Comprising an air supply box (100), one side of which is provided with a fresh air inlet (110) communicated with the outdoor environment, and the other side of which is provided with a fresh air outlet communicated with the indoor environment; the air outlet box (200) is arranged on one side of the air supply box (100), one side of the air outlet box (200) is provided with an exhaust air inlet (210) communicated with the indoor side environment, and the other side of the air outlet box (200) is provided with an exhaust air outlet (220); the air pipe assembly (300) is provided with a first communication port (310), a second communication port (320), a third communication port (330) and a fourth communication port (340). According to the method and the device, indoor temperature fluctuation is reduced, and diversified ventilation requirements of users are met.

The utility model discloses a high-elasticity textile fabric which comprises a printed surface layer, the elastic surface layer is arranged on the lower surface of the printed surface layer, the elastic surface layer comprises a plurality of first elastic cloth pieces, and the first elastic cloth pieces are connected through second elastic cloth pieces; the lining layer is arranged on the lower surface of the elastic surface layer. The elastic surface layer is provided with the plurality of first elastic cloth pieces, and the first elastic cloth pieces are connected through the second elastic cloth pieces, so that the elastic surface layer can integrally meet the elastic requirements of various actions of people in sports on different parts.

This invention discloses an intelligent ventilation system and its control method based on a high-torque motor, solving technical problems such as insufficient heat dissipation, complex assembly, and poor sealing in existing technologies. The rotor assembly adopts an integral cast housing combined with polymer-bonded magnets, significantly improving structural strength and heat dissipation efficiency. The stator assembly features an innovative multi-slot winding design and a double-sealing structure, balancing high power density and long service life. The matching shaftless fan system achieves quick installation through a clamp structure, avoiding the complexity and safety hazards of traditional threaded connections. Furthermore, by introducing intelligent control and IoT technology, the ventilation system can adaptively adjust its operating mode according to changes in the surrounding environment or user needs, achieving healthy, safe, and hygienic ventilation. This invention is applicable to exhaust fans, fans, air purification equipment, and other fields, and features high efficiency, reliability, and ease of maintenance.

The utility model relates to a kind of fan frequency conversion energy-saving system, the valve piece opening of most unfavorable branch is measured by at least the wind control unit being set on most unfavorable branch, and according to the valve piece opening of most unfavorable branch adjusts fan operating frequency, so that system meets fan under the most reasonable operating frequency operation at any time, while meeting ventilation demand, maximize reduce fan energy consumption, and system installation and debugging are convenient, reduce the over-high requirement of technical personnel in construction and debugging process, save artificial management cost, improve management efficiency, and effectively reduce the present situation of on-site debugging difficulty.

The present invention relates to the field of glass thermal insulation technology, and in particular to a preparation process of a self-breathing photovoltaic power generation thermal insulation glass coating and thermal insulation glass, comprising the following steps: S1, material preparation; S2, cleaning; S3, spraying; S4, heating and sintering; S5, annealing and cooling; S6, coating; the preparation process of the coating of the present invention adopts rare earth thermal insulation coating materials, nano materials and thermal insulation film materials to prepare the thermal insulation coating, and combines the thermal insulation coating with a glass substrate, and at the same time, since a photovoltaic power generation layer and a thermal insulation layer are arranged on the glass substrate, a multifunctional glass coating is formed; the coating can effectively insulate while performing photovoltaic power generation, improve the efficiency of photovoltaic power generation and meet the ventilation requirements; in addition, the thermal insulation coating has excellent thermal insulation performance and light transmittance, can effectively block heat conduction and maintain the transmittance of visible light.

This application discloses a highly integrated roof assembly for rail transit vehicles, relating to the technical field of rail transit vehicle components. It includes a main roof structure composed of an upper panel, a lower panel, and a core layer. A load-bearing frame is integrated with the main roof structure to support and transfer loads to the vehicle body. Air ducts and cable trays are located inside the main roof structure for ventilation and electrical wiring harness arrangement, respectively. A mounting frame is located on top of the main roof structure, with several mounting interfaces for installing air conditioning units and power battery modules. Additionally, components such as heat dissipation plates are provided to assist in heat dissipation. This application achieves a high degree of functional integration. Through a rational structural design, it integrates multiple roof functions while ensuring good ventilation and heat dissipation performance, making the roof structure more stable and reliable.

The utility model belongs to the field of wind direction conversion equipment, particularly relates to pipeline wind direction conversion equipment, and aims to solve the problems that the flexibility of the equipment is reduced, the equipment is inconvenient to maintain and repair, the energy waste is increased, and the cost is high because the conventional wind direction conversion equipment cannot independently close and open a corresponding pipeline. According to the technical scheme, the dust-proof device comprises a conversion box, the conversion box is divided into an air inlet, a first air outlet, a second air outlet and a third air outlet, and a dust-proof net is fixedly arranged in the air inlet; and the adjusting assembly is arranged in the conversion box and used for changing the wind direction in the pipeline. Through the arrangement of the adjusting assembly, the equipment is designed to be independently closed and opened, the flexibility and controllability of the equipment are improved, maintenance and repair are convenient, energy waste is reduced, load and pressure fluctuation are reduced, and therefore the operation efficiency and reliability of the equipment are improved.

The composite film is formed by laminating and compounding at least two layers of polymer porous films with anisotropic microporous structures, and the adjacent film layers are stacked after rotating by 45-135 degrees around the axis perpendicular to the film surface, the micropore channels of the upper and lower film layers form a non-through structure in a three-dimensional space, and decoupling of a heat flow transmission direction and a gas diffusion direction is realized. The interlayer dislocation degree is controlled by regulating and controlling the rotation angle, an efficient thermal resistance barrier is formed in the thickness direction, and meanwhile a gas diffusion channel is kept in the plane direction. The composite film has excellent heat insulation performance and air permeability, the heat conductivity coefficient can be as low as 0.028 W / (m.K), the water vapor transmission rate is kept at 980 g / (m.24 h) or above, the preparation process is simple and controllable, and the composite film can be widely applied to the fields of automobile interiors, building heat preservation, garment materials and the like.

The utility model relates to the field of residence ventilation, and discloses a high-rise residence energy-saving ventilation structure which comprises an air inlet pipeline and an air outlet pipeline. One end of the air inlet pipeline and one end of the air outlet pipeline communicate with the outside, the other end of the air inlet pipeline communicates with the upper portion of the first air circulation mechanism, the other end of the air outlet pipeline communicates with the upper portion of the second air circulation mechanism, one end of the first ventilation pipe communicates with the right side of the first air circulation mechanism, and the outer wall of the first ventilation pipe fixedly communicates with one ends of the multiple air outlet pipes. Through the arrangement of the air inlet pipeline, the air outlet pipeline, the first air circulation mechanism and the second air circulation mechanism, rapid circulation and air exchange of indoor air are achieved, and the ventilation efficiency is improved.

The utility model belongs to the technical field of lining construction, and provides a ventilation pipe protection device which comprises a protection single piece. Each protection single piece comprises an adjustable connecting frame and a ventilation pipe protection piece. The adjustable connecting frame comprises a first connecting frame, a second connecting frame and a third connecting frame, the first connecting frame and the second connecting frame are connected in an adjustable mode in the vertical direction, and the second connecting frame is arranged on the third connecting frame in an adjustable mode in the horizontal direction. The ventilation pipe protection piece comprises a first protection section and a second protection section, and the first protection section is connected with the third connecting frame. The second protection section is detachably arranged on the first protection section, and the first protection section and the second protection section are combined to form a containing cavity for containing the ventilation pipe; rolling pieces are arranged on the wall face, making contact with the ventilation pipe, of the first protection section and / or the wall face, making contact with the ventilation pipe, of the second protection section. Through the unique combination of the adjustable connecting frame and the ventilation pipe protection piece, the ventilation pipe protection device can adapt to different ventilation pipes, and the ventilation pipe protection device is adjustable and can be suitable for tunnel lining construction.

The invention discloses mine ventilation equipment for mine safety production, and relates to the technical field of mine ventilation, the mine ventilation equipment comprises a box body, the outer wall of the bottom of the box body is fixedly connected with a fixing frame, one side of the box body is provided with a fixing cylinder, the interior of the fixing cylinder is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a shaft sleeve; and fan blades which are circularly distributed at equal intervals are fixedly connected to the outer wall of the circumference of the shaft sleeve, a connecting pipe is fixedly connected to the interior of the box body, and one end of the connecting pipe is fixedly connected with the fixing cylinder through a bolt. According to the device, negative pressure ventilation in the mine laneway is achieved through negative pressure suction force, gas leakage can be rapidly extracted from the area when the dangerous event of gas leakage occurs in the laneway, it is avoided that a large amount of gas is gathered in the area, and in the process of negative pressure ventilation of the device, the gas leakage can be effectively prevented. Workers can install different groups of ventilation pipes according to requirements, and the ventilation requirements of people for different lengths are met.

The utility model relates to elevator technical field discloses a kind of ventilation device of lift, including elevator car and fan fixedly installed at the top of elevator car, the inner wall of the elevator car is fixedly connected with flow guide box, the inside of the flow guide box is transversely provided with air passage, the inside of the flow guide box is longitudinally provided with the air outlet groove being communicated with air passage. The utility model breaks through the air flow limitation of traditional ventilation fan by air passage, air outlet groove in flow guide box, cooperate top wall air outlet hole one with side wall air outlet hole two, adjustment assembly drives silica gel sealing block sliding, can realize top and lateral air outlet switching, enlarge ventilation range, improve efficiency and cooling effect, air outlet hole two is downward to avoid direct blowing passenger, improve comfort, silica gel sealing block is isosceles trapezoid, with fixed frame air passage matching, avoid air leakage, adjustment assembly is fixed sliding plate by magnet magnetic attraction, stabilize silica gel sealing block and be convenient for operation, satisfy different ventilation needs.

The utility model relates to a component type glass curtain wall ventilation system which is characterized by comprising a ventilation frame, a closing plate and a switch handle. The ventilation frame is of a box body structure and is provided with a ventilation cavity, the ventilation frame is installed between an upper cross beam and a lower cross beam of the curtain wall, ventilation holes are formed in the outdoor side and the indoor side of the ventilation frame, and a vertical long-strip-shaped switch hole is formed in the indoor side of the ventilation frame; an upper baffle and a lower baffle are respectively arranged on the upper and lower cavity walls of the ventilation cavity; a rotating shaft is horizontally fixed on the front and rear cavity walls of the ventilation cavity; the closing plate is located between the upper baffle and the lower baffle, a rotating hole matched with the rotating shaft is formed in the middle of the closing plate, and the closing plate is rotationally arranged in the ventilation cavity through the rotating shaft; the closing plate is rotated by shifting the switch handle, so that the ventilation cavity is opened and closed, the outer vertical face effect of a curtain wall is prevented from being damaged when the window is opened, the risk that a window sash falls off is avoided, the ventilation requirement on rainy days can be met, the cold bridge effect is reduced, and energy loss is reduced.

The utility model discloses a clutch cavity ventilation structure, and belongs to the field of heavy commercial vehicles. A ventilation plug and a ventilation plug mounting hole do not need to be additionally arranged, and the ventilation requirement of a clutch cavity can be met only by changing a clutch shell blank. Specifically, an inner edge groove is formed in the inner side of a flange face of a clutch shell, an outer edge groove is formed in the outer side of the flange face, a bolt through hole is formed in the flange face, a bolt hole face groove is formed in the flange face except for the bolt hole face groove, a bolt hole face groove is formed in the bolt through hole, then the inner edge groove is communicated with the interior of a clutch cavity, and the outer edge groove is communicated with the atmosphere outside the clutch cavity. During work, gas enters the flange face bolt hole face removing groove from the clutch shell inner edge groove above the clutch shell, then sequentially passes through the bolt hole face groove, reaches the clutch shell outer edge groove from one side of the inner edge groove and is exhausted out of a clutch cavity, and the gas enters the flange face bolt hole face removing groove from the flange face bolt hole face removing groove. Therefore, the ventilation requirement of the clutch cavity can be met.

An adjusting valve of the ventilation water tank comprises a front end tooth groove, a main body is a plate-shaped structure with a shaft and a valve tail end, and the circular plate-shaped structure with the shaft is matched with the cross section of a ventilation pipe in size. A ventilation pipe penetrates through the top of the water tank main body; a shell is fixed to one side face of the ventilation pipe, a front end tooth groove is formed in the shell, an adjusting handle is arranged outside the shell, and the adjusting handle is fixedly connected with the front end tooth groove. Bearing seats are fixed on the opposite side surfaces of the ventilation pipe, and are internally and rotatably connected with the valve tail end; a sliding groove is formed in the shell, a bolt is slidably connected into the sliding groove, and the front end of the bolt is inserted into the front end tooth groove to limit the rotation angle of the adjusting valve. A filter box is installed on the top of the ventilation pipe in a penetrating mode, an exhaust fan is arranged in the filter box, and a filter mechanism capable of being rapidly replaced is arranged above the exhaust fan. The ventilation requirements in different use scenes can be met by adjusting the rotating angle of the adjusting valve, the practicability and flexibility of ventilation of the water tank are improved, and the ventilation air volume can be accurately controlled.

The invention provides a ship, and relates to the technical field of ships. The ship comprises a ventilation system, a cargo hold, a first switch and a second switch, the ventilation system comprises a plurality of draught fans, the draught fans are single-speed draught fans, the single-speed draught fans are arranged close to the cargo hold, and the single-speed draught fans are electrically connected to the first switch and the second switch. The first switch is used for being turned on when the ship is in a loading and unloading state, the number of the single-speed fans electrically connected to the first switch is m, the second switch is used for being turned on when the ship is in a sailing state, the number of the single-speed fans electrically connected to the second switch is n, and m is larger than n. Due to the fact that goods need to be conveyed in the loading and unloading state, the people flow and the vehicle flow are large, the larger ventilation quantity is needed, and the ventilation requirement in the loading state is met by setting m to be larger than n. The control system of the single-speed fan is simpler, the size of the control cabinet is smaller, compared with a double-speed fan, the single-speed fan is more convenient to arrange, the construction period is shortened, cables used by the single-speed fan are fewer, and the construction cost is saved.

The invention belongs to the technical field of ships, and discloses an auxiliary ventilation assembly for a ship cabin and a ship, the auxiliary ventilation assembly for the ship cabin comprises a first supporting column and a second supporting column, the first supporting column is provided with an inner cavity, and one end of the first supporting column is connected to the inner bottom wall of the ship cabin; the other end of the first supporting column penetrates through a deck of a ship cabin and extends out of the ship cabin, and a first air inlet and a first air outlet which communicate with an inner cavity of the first supporting column are formed in the first supporting column. The second supporting column is provided with an inner cavity, one end of the second supporting column is connected to the inner bottom wall of the ship cabin, the other end of the second supporting column penetrates through a deck of the ship cabin and extends out of the ship cabin, and the second supporting column is provided with a second air outlet and a second air inlet which communicate with the inner cavity of the second supporting column. The first supporting column and the second supporting column are both fixedly connected with the deck. The auxiliary ventilation assembly for the ship cabin is low in machining precision and can meet the ventilation requirement of the cabin.

The invention discloses a piston wind and renewable energy collaborative energy supply ventilation method and system in a tunnel. The method comprises the following steps that S1, system initialization and multi-source data collection and fusion are conducted; S2, tunnel ventilation requirements in a future time window are calculated through a prediction model based on collected data; s3, aiming at meeting the ventilation requirement, deploying energy according to the power distribution priority, and generating an initial control strategy containing fan operation parameters and an electric energy deploying scheme; s4, the initial control strategy is executed, and the actual ventilation effect in the tunnel is monitored in real time; s5-S7, performing multi-level evaluation and decision feedback, and updating the decision until the actual ventilation effect reaches the standard; and S8, data archiving and model updating: storing a final successful strategy and related data in the control period into a database, and updating and optimizing the prediction model. Intelligent energy allocation of tunnel ventilation is realized, the green energy utilization rate is improved, a multi-level decision feedback mechanism is established, and the control precision is improved.

The invention discloses a method for determining the opening area of an adjusting roadway air door, and relates to the technical field of mine ventilation. The method comprises the following steps that S1, the size and the installation position of the adjusting air door needing to be installed are determined; s2, the air volume needed by the roadway where the adjusting air door is installed is calculated; s3, drawing a two-dimensional CAD plane graph of the mine; s4, adopting an analogue simulation method, initially setting the maximum opening area of the adjusting air door, and simulating and calculating the air volume passing through the roadway at the position; s5, adjusting the opening area of the adjusting air door according to the air volume required by the roadway until the air volume passing through the roadway is the required air volume; s6, multiple times of simulation experiment measurement are carried out, and the opening area of the actual adjusting air door of the mine is adjusted according to the simulation calculation result; and S7, providing a basis for setting the opening area of the mine actual adjusting air door. The method has the main advantage that the size of the opening area of the adjusting air door is determined through a three-dimensional analogue simulation method. The economical and effective design of the air volume regulation and control by the regulating air door is realized, and an effective guarantee is provided for safe production of operators.

The ventilation hole structure for the existing building comprises a ventilation pipe and a conversion air bellow arranged indoors, an installation opening is formed in the first side wall of the conversion air bellow, and the ventilation pipe is installed at the installation opening in a sealed mode; a first ventilation opening is formed in the second side wall of the conversion air box, a second ventilation opening is formed in the outer wall of the existing building, and a shutter is arranged in the second ventilation opening. The first ventilation opening and the second ventilation opening are coaxially formed and are vertically staggered. The adapter bellows is installed on the indoor side of the outer wall of the existing building, the ventilation pipe and the second ventilation opening of the existing building are in butt joint in an up-and-down staggered mode, the ventilation requirement is met, the outer vertical face structure of the existing building is not changed, and high economical efficiency and operability are achieved; moreover, the conversion air bellow has flow equalizing and pressure equalizing effects, so that the resistance loss of airflow flowing through the box body can be reduced, and energy conservation and emission reduction can be realized.