18 results about "Cross ventilation" patented technology

This utility model relates to the field of switchgear technology, specifically to a medium-voltage switchgear with a moisture-proof structure; it includes a switchgear body and a dehumidification mechanism. The dehumidification mechanism includes a mounting base, a fan, a sealing plate, a threaded pipe, a cross ventilation box, a limiting mesh plate, a threaded ventilation cover, and a dust removal device. When the electrical equipment inside the switchgear body is working, the fans located at its air inlet and air outlet will operate accordingly. The fan on the air inlet side draws in cold air from the outside, and the fan on the air outlet side draws in hot air from the inside to the outside. When the air enters, it passes through a desiccant pack placed between the cross ventilation box and the limiting mesh plate to remove moisture, so that the air entering the cabinet body is in a dry state, avoiding the electrical equipment from working in a humid environment for a long time, thereby achieving moisture-proof treatment of the switchgear body and improving the working stability of the internal electrical equipment.

The invention relates to the technical field of street lamps, and particularly discloses a cross ventilation type heat dissipation LED street lamp which comprises a lamp pole and a lamp holder unit fixedly installed at the end of an inclined section of the lamp pole, the lamp holder unit comprises a lamp shell and a light emitting module fixedly installed at the bottom of the lamp shell, and heat dissipation fins are fixedly installed at the top of the light emitting module. The lamp shell is provided with a ventilation part which is used for guiding cold air and hot air generated by heating of the light-emitting module around the heat dissipation fins to form cross convection so as to conduct cross ventilation and heat dissipation on the light-emitting module, and heat generated by the light-emitting module is rapidly transmitted into the hot air cavity through the heat dissipation fins, so that the heat dissipation efficiency is improved. Hot air and cold air entering through the air inlet cover are preliminarily mixed in the hot air cavity to achieve first heat exchange, then the hot air enters the cross ventilation cavity and conducts cross convection heat exchange with cold air entering from the top shell opening again, and a dual heat exchange system of the hot air cavity and the cross ventilation cavity is constructed.

1. The name of the design product: vertical and horizontal ventilation corner box module structure. 2. The use of the design product: used in grain drying equipment to form air flow channel, improve drying efficiency. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The utility model discloses a curtain wall structure capable of being automatically closed, relates to the technical field of curtain walls, and aims to solve the problem that the opened curtain wall is easy to be blown open by strong gust when the curtain wall is in an open state and is positioned at a cross ventilation air outlet, and adopts the technical scheme that the curtain wall structure comprises a fixed frame and a movable frame, the connecting frame and the telescopic rod are connected in a sliding mode, an outer curtain wall is fixedly arranged on the movable frame, the connecting frame is connected with the fixed frame in a rotating mode, and the telescopic rod is connected with the movable frame in a rotating mode. The curtain wall structure capable of being automatically closed is suitable for being used on the outer vertical face of a building where cross ventilation passes through, when gust with large wind force is blown out through the curtain wall area and the opening degree of the curtain wall is maximized, the curtain wall is closed, and the curtain wall can be automatically closed. Therefore, residents can be helped to seal and fix the curtain wall in time under the condition that the residents are not in a room, and the safety effect of the curtain wall is improved.

The utility model relates to a door interlocking control device and system and an offshore oil platform. The device comprises a first side limit switch, a second side limit switch, a first side door closer and a second side door closer. And the first side limiting switch is electrically connected with the second side door closer and is used for controlling the on-off of the second side door closer. And the second side limiting switch is electrically connected with the first side door closer and is used for controlling the on-off of the first side door closer. The first side door closer is arranged on a door frame of the first side door and used for opening or closing a door bolt of the first side door. The second side door closer is arranged on a door frame of the second side door and used for opening or closing a door bolt of the second side door. When the first side door is not closed tightly, the first side limiting switch is closed. And when the second side door is not closed tightly, the second side limiting switch is closed. When one side door is not tightly closed, the other side door can be prevented from being opened, so that personnel are prevented from being injured due to cross ventilation, and the safety of workers on an offshore oil platform is effectively improved.

The utility model discloses an integrated waste heat recovery device, including heat exchanger, fresh air connecting subassembly, exhaust air adapter subassembly and exhaust air elbow, the heat exchanger is set to be cross ventilation structure, and the heat exchanger is provided with fresh air inlet, fresh air outlet, exhaust air inlet and exhaust air outlet, fresh air connecting subassembly is connected with fresh air inlet, exhaust air adapter subassembly is connected with exhaust air adapter subassembly, exhaust air elbow is connected with exhaust air adapter subassembly, exhaust air elbow is connected with exhaust air adapter subassembly. The fresh air outlet of the heat exchanger is connected with the fresh air connecting assembly, the exhaust switching assembly is connected with the exhaust inlet, the exhaust elbow is connected with the exhaust outlet, the fresh air outlet of the heat exchanger and the exhaust switching assembly are used for being connected with drying equipment, and the fresh air connecting assembly and the exhaust elbow are used for being connected with a drying oven. According to the integrated waste heat recovery device, high-efficiency heat energy conversion is achieved through the simple waste heat recovery device, the occupied space is small, more technical cost and maintenance cost can be saved, and energy consumption is reduced.

The utility model discloses a kind of mildew-proof carpets based on negative pressure drive, from bottom to top sequentially include: bottom plate layer, elastic framework layer, breathable buffer layer, backing layer and multicolor surface layer. Bottom plate layer is made of modified polypropylene material, surface is provided with cross ventilation groove, and wet hole is arranged in peripheral edge. Elastic framework layer is fixed on bottom plate layer, by multiple negative pressure response units, negative pressure response unit is in initial state under natural state, when being attracted by negative pressure, it is sucked and forms lifting state, so that carpet bottom layer and ground form gap, slowly rebound to initial state after negative pressure elimination. Breathable buffer layer bottom is provided with air guide groove, for evenly conducting negative pressure to each negative pressure response unit. The utility model uses the negative pressure generated by vacuum cleaner during routine cleaning as driving force, so that carpet bottom layer is automatically lifted to form ventilation gap, without additional power source.

The invention relates to the technical field of dehumidifiers, and discloses a broken cold bridge dual-seal dehumidifier box body structure which comprises a frame and panels embedded in the end faces of the frame. The frame is composed of a corner connecting piece, a metal section and a plastic section, the metal section is connected with the corner connecting piece in an inserted mode, the plastic section wraps the periphery of the metal section, the panel comprises a middle wide section and a peripheral narrow section, the plastic section is provided with a step-shaped embedded groove in the length direction of the plastic section, and the panel is matched with the embedded groove in an embedded mode through the narrow section. A first sealing piece and a second sealing piece are arranged on the inner side wall of the narrow edge section in the circumferential direction. By means of the full-wrapping type broken bridge design and the double-sealing structure, a cold and heat exchange path inside and outside the box body is blocked, the air leakage and cross ventilation phenomenon is restrained, the structural bearing strength and the appearance flatness are both considered, and the energy-saving performance and the operation reliability of the dehumidifier are effectively improved.

The invention provides a high-speed noise reduction design method for a sealing strip of a panoramic sunroof of a vehicle. The high-speed noise reduction design method aims at the sealing strip at a gap between front glass and rear glass of an outward sliding type panoramic sunroof. Based on the deformation of the height difference of the front glass and the rear glass of the panoramic sunroof under the high-speed wind load and the installation tolerance of the front glass and the rear glass on the roof, the interference amount T between the sealing strip and the front glass covering edge is calculated, and # imgabs0 # h1 represents the height difference of the front glass and the rear glass under the wind-load-free condition; h2 represents the height difference between the front glass and the rear glass under the high-speed wind load condition; t1 represents the Z-direction installation adjustment amount tolerance of the front glass assembly; t2 represents the Z-direction installation adjustment amount tolerance of the rear glass assembly; t3 represents the precision of the surface difference detection tool; a represents the standard grade of the Sigma quality system. Through the method, the high-speed wind noise performance of the skylight can be improved, and wind noise such as cross ventilation of the rear portion of the sliding glass of the skylight under the high-speed / headwind form condition is avoided.

The application discloses a laboratory intelligent layout optimization method and system for a multi-energy experiment building, and relates to the technical field of auxiliary layout optimization. The method comprises the following steps: S1, collecting space energy flow data and performing data preprocessing; S2, identifying the pollution source influence intensity in the experiment area, judging the leakage trend and retention tendency, and extracting the energy flow coupling relationship between regions; S3, evaluating the minimum exhaust boundary required by the experiment area, and performing dynamic correction on adjacent regions; S4, mapping the exhaust volume to the fan operating frequency and the end valve opening degree, and optimizing the equipment selection, pipe diameter ratio and end arrangement; S5, constructing a candidate layout generation and integrated evaluation mechanism, screening and obtaining an optimization scheme, and writing back to the BIM model. The problems of gas retention, energy waste and inability to dynamically respond to the operating state under the cross ventilation path due to the difficulty of traditional ventilation design to adapt to the differentiated working conditions of multi-energy regions are solved.

The utility model relates to the technical field of shell drying, in particular to a shell drying device for precision casting, which comprises an operation table, a moving plate is arranged at the top of the operation table, a driving motor and a limiting plate are mounted on the front side of the moving plate, and the rotating end of the driving motor penetrates through the limiting plate and is fixedly provided with a cross. And bottom rods are fixed to the bottoms of the four ends of the cross, a containing frame is installed on the bottom rods, a plurality of protruding rods are fixed to the front face and the back face of the containing frame, and hot air curtain machines opposite to the containing frame are installed on the table top and the table wall of the operation table. According to the shell drying device for precision casting, the hot air curtain machine blows air to the bottom and the side portion of the containing frame at the same time, free moisture on the surface of a shell can be rapidly taken away and evaporated in cooperation with radiation heating and convection hot air, the motor drives the cross to rotate, the containing frame is driven to rotate through the bottom rod, cross ventilation is formed, and blowing can be conducted in all directions; and all parts of the shell can be dried at a constant speed, and the cracking risk of the shell caused by non-uniform drying is improved.

The utility model relates to the technical field of battery cells, in particular to a battery cell structure with excellent heat dissipation, which comprises a shell, a cross-shaped ventilation slot is arranged on the shell, a plurality of cross-shaped heat dissipation fins are fixed in the cross-shaped ventilation slot, a top cover is fixed at the top end of the shell, two electrodes are arranged on the top cover, and the cross-shaped heat dissipation fins are fixed on the top cover. The interior of the shell is isolated by cross-shaped ventilation slots to form four placement slots, naked battery cells are arranged in the placement slots, the naked battery cells are connected with electrodes, the shell and the top cover form a closed space, and two circular ventilation slots are symmetrically formed in each of the front end and the rear end of the shell. The interior of the shell is divided into four placement grooves by the cross-shaped ventilation grooves, naked battery cells are placed in the placement grooves, the placement grooves are quickly cooled under the action of air flow, and meanwhile, the cooling effect is further improved by the circular ventilation grooves, so that the negative influence of heat generated by the battery cells on the battery cells is reduced when the battery cells are used.

The utility model discloses a spiral type efficient steam superheater, and belongs to the technical field of steam superheaters. A spiral type efficient steam superheater comprises a superheater body, a gas collecting disc is fixedly installed in the superheater body, a large spiral pipe communicated with the gas collecting disc is fixedly installed below the gas collecting disc, and a first through type gas inlet pipe and a first through type gas outlet pipe are fixedly installed on the surface of the superheater body. One end of the first air inlet pipe communicates with the air collecting disc. According to the spiral type efficient steam superheater, steam passes through a second air inlet pipe, an air collecting cylinder, a plurality of small spiral pipes and a hollow disc and then is discharged from a second air outlet pipe, the steam passes through a first air inlet pipe, an air collecting disc and a large spiral pipe and then is discharged from a first air outlet pipe, and vertical cross ventilation of the steam is adopted, so that the heat exchange effect is higher; due to the design of the gas collecting disc, the large spiral pipe, the multiple small spiral pipes and the hollow disc, the heat exchange area is increased, and then the heat exchange efficiency is improved.

The utility model discloses a burner for an electronic injection burner stove, which comprises a casing, a fire bowl, a nozzle and an ignition needle, the fire bowl is mounted inside the casing, the ignition needle is mounted on the casing, a needle head of the ignition needle extends into the fire bowl, the nozzle is detachably connected to the bottom of the casing, an air inlet is arranged on one side wall of the casing, and an air outlet is arranged on the other side wall of the casing. An air inlet hole is formed in one side wall of the shell, an air outlet hole is formed in the other side wall of the shell, the air inlet is connected with an air inlet bent pipe, a flow guide cover is fixedly connected to the inner bottom of the shell, a cross-ventilation channel is formed between the flow guide cover and the inner bottom wall of the shell, one end of the cross-ventilation channel is communicated with the air inlet, and the other end of the cross-ventilation channel is communicated with the air outlet hole. The bottom of the fire bowl is detachably connected with a heat insulation bowl, a through hole for avoiding the nozzle is formed in the middle of the heat insulation bowl, the nozzle penetrates through the cross ventilation channel, the ventilation opening and the through hole to enter the fire bowl, and the novel fire bowl is simple in structure, convenient to use, not prone to damage and long in service life.

A natural ventilation wet cooling tower coupling rain area drifting inhibition and air inlet flow field optimization comprises a cooling tower and a rain area drifting inhibition device. The rain area drifting restraining device comprises a circumferential air control device and a top air control device, wherein the circumferential air control device is formed by air control anti-drifting plates which are vertically arranged on the air section on the periphery of the tower on the outer side of the air inlet. Through the synergistic effect of the rain area drifting restraining device, circumferential cross ventilation of the side wind area of the cooling tower is turned into the tower, so that the situation that environment wind blows rain area drifting drifts of the side wind area of the cooling tower out of the air inlet is restrained, the wind blowing loss of the rain area is reduced, and the radial effective air inlet amount of the cooling tower is increased. The air control anti-floating plates are further provided with ventilation vortex eliminating areas, transverse vortexes in a flow channel between the two air control anti-floating plates can be reduced, and therefore the air inlet resistance is reduced, and the radial effective air inlet amount is further increased. The top air control device is of an annular anti-floating flow guide flat plate structure surrounding the tower by one circle, and floating drops above the air inlet can be prevented from losing. Furthermore, a non-crosswind section rain area drifting inhibition device can be included to adapt to the change of the environmental wind direction.

The utility model relates to transverse ventilation equipment for a livestock farm, which is characterized by comprising a transverse ventilation pipeline, an air inlet filtering device, a humidifying water tank, a humidifying water pipe, a water supply pump, a shunt water pipe with a valve and a tail end fan, the tail end fans are connected to one side of the bottom face of the transverse ventilation pipeline in an arrayed mode, the humidifying water pipe is connected to one side of the humidifying water tank, the water supply pump is connected to the humidifying water pipe, the flow dividing water pipes with the valves are connected to the side face of the humidifying water pipe in an arrayed mode, and the other side ends of the flow dividing water pipes with the valves are correspondingly connected with the tail end fans. According to the ventilation device, the arrangement of the ventilation device of the livestock farm is optimized, the structure and functions of a traditional ventilation device are changed, the ventilation device with the functions of purifying air, increasing humidity and adjusting temperature is improved, devices with multiple functions are integrated into the traditional ventilation device, the installation space is saved, and the ventilation device is suitable for being used and popularized.

A natural ventilation wet cooling tower coupling rain area drifting inhibition and air inlet flow field optimization comprises a cooling tower and a rain area drifting inhibition device. The rain area drifting restraining device comprises a circumferential air control device and a top air control device, wherein the circumferential air control device is formed by air control anti-drifting plates which are vertically arranged on the air section on the periphery of the tower on the outer side of the air inlet. Through the synergistic effect of the rain area drifting restraining device, circumferential cross ventilation of the side wind area of the cooling tower is turned into the tower, so that the situation that environment wind blows rain area drifting drifts of the side wind area of the cooling tower out of the air inlet is restrained, the wind blowing loss of the rain area is reduced, and the radial effective air inlet amount of the cooling tower is increased. The air control anti-floating plates are further provided with ventilation vortex eliminating areas, transverse vortexes in a flow channel between the two air control anti-floating plates can be reduced, and therefore the air inlet resistance is reduced, and the radial effective air inlet amount is further increased. The top air control device is of an annular anti-floating flow guide flat plate structure surrounding the tower by one circle, and floating drops above the air inlet can be prevented from losing. Furthermore, a non-crosswind section rain area drifting inhibition device can be included to adapt to the change of the environmental wind direction.

The invention discloses a laboratory intelligent layout optimization method and system for a multi-energy experimental building, and relates to the technical field of auxiliary layout optimization. Comprising the following steps: S1, collecting space energy flow data, and carrying out data preprocessing; s2, identifying pollution source influence intensity in the experimental area, judging a leakage trend and a retention trend, and extracting an energy flow coupling relationship between the areas; s3, evaluating the minimum exhaust boundary required by the experimental area, and performing dynamic correction on the adjacent area; s4, the exhaust air rate is mapped into the fan operation frequency and the tail end valve opening degree, and optimization judgment is conducted on equipment model selection, the pipe diameter proportion and tail end arrangement; and S5, constructing a candidate layout generation and integration evaluation mechanism, screening and obtaining an optimization scheme, and writing the optimization scheme back to the BIM model. The problems that due to the fact that traditional ventilation design is difficult to adapt to the differentiated working conditions of multiple energy areas, gas detention and energy waste are caused under ventilation path crossing, and dynamic response cannot be achieved along with the running state are solved.