718results about How to "Improve the humidification effect" patented technology

The present invention provides a hydrogen exhaust system for a fuel cell vehicle, which is configured to actively control an exhaust path of hydrogen discharged from an anode of a fuel cell stack to maximize the safety of the vehicle by minimizing the possibility of explosion due to hydrogen exhaust and ensure the silence of the vehicle by minimizing noise generated during hydrogen exhaust. Moreover, the present invention provides a hydrogen exhaust system for a fuel cell vehicle, which can improve the performance and power of the fuel cell stack by supplying water discharged from the fuel cell stack to an air supply line of the fuel cell stack together with purge hydrogen discharged to a hydrogen exhaust line to increase the humidification performance of the fuel cell stack.

The invention provides gas humidifying equipment and belongs to the technical field of humidification. The equipment comprises a liquid storage device, and a bubbling portion, a spraying portion and a temperature-raising and water-removing portion which are successively arranged from bottom to top for humidifying gas in a layered manner, wherein the bubbling portion comprises a bubbling device and a humidifying liquid, the humidifying liquid is held in the liquid storage device, and gas is fed into the humidifying liquid through the bubbling device; the spraying portion comprises a spraying device so as to spray and humidify gas diffused from the humidifying liquid; and the temperature-raising and water-removing portion comprises a temperature-raising and water-removing device for raising the temperature and removing water for the sprayed and humidified gas. By adopting a method of humidification in a layered manner, the humidifying efficiency is greatly increased on a basis of simplifying the structure and reducing the cost, the humidifying performance is optimized, and the equipment is quite suitable for a humidifying demand on a high-power fuel cell.

The invention relates to an insect trap (10), which mimics certain characteristics of a mammal and comprises a housing comprising a base (22) and a cover (24). The pad generates an infrared heat source (14) and can also generate water vapour (16). The trap has an insect retention surface (18) and is characterized in that the cover is positioned over the base in a manner such that it defines an opening (50) around the base/cover interface (52). The opening has a depth (d) of less than 1.5 cm and is sized and positioned such that at least one attractant signal (14′, 16′) is directed out of the opening in a manner allowing effective operation for at least 8 hours.

The invention discloses an air purification humidifier, which comprises a casing and a base, wherein an air purification device, an air purification channel and a motor are arranged in the casing; an air inlet and an air outlet are arranged on the casing; a fan is arranged between the air inlet and the air purification channel; an output shaft of the motor is in driving connection with a power input end of the fan; the air purification device comprises a box body, an air purification water storage cavity, a water delivering mechanism and a water sprinkling mechanism; the box body is detachably connected with the casing; the air purification water storage cavity is arranged at the lower part of the box body; the water delivering mechanism and the water sprinkling mechanism are respectivelyarranged in the air purification channel and are fixedly connected with the box body; a water inlet of the water delivering mechanism is communicated with the air purification water storage cavity; and a water outlet of the water delivering mechanism is communicated with the water sprinkling mechanism. The air purification humidifier also comprises a rotating shaft; the upper part of the rotatingshaft is fixedly connected with a center hole of the fan; and the lower end of the rotating shaft is connected with a power input end of the water delivering mechanism.

The invention relates to a humidifier for fuel cells and a fuel cell stack with the humidifier. The humidifier is formed by overlaying multiple humidifying units and humidifying membrane assemblies; each humidifying unit is formed by successively overlaying a dry panel, one humidifying membrane assembly and a wet panel, and one humidifying membrane assembly is arranged between two humidifying units in a clamping manner; each humidifying membrane assembly, each dry panel and each wet panel all are provided with three inlets and three outlets, and each dry panel and each wet panel both are provided with an air branch inlet and an air branch outlet; and the fuel cell comprises successively connected front-end plate, humidifier, rear-end plate, cell stack and bottom plate, and the front-end plate, the rear-end plate and the cell stack are all provided with three inlets and three outlets, wherein the three inlets and the three outlets comprise a master hydrogen inlet, a master air inlet, a master water inlet, a master hydrogen outlet, a master air outlet and a master water outlet. Compared with the prior art, the humidifier for fuel cells has the advantages of being capable of effectively humidifying air, improving service life, simplifying installation program, improving efficiency, reducing cost and the like.

A humidifier for fuel cell of the present invention comprises a hollow fiber membrane module in which a hollow fiber membrane bundle, comprising hollow fiber membranes bundled together, is accommodated inside a housing. The module comprises an entrance head which supplies off-gas inside the hollow fiber membranes, an exit head which converges off-gas, which has passed through the hollow fiber membranes, at another end of the hollow fiber membrane module, and an exhaust exit which exhausts liquid, accumulated in the entrance head. According to this humidifier, it is possible to prevent the hollow fiber membranes from becoming blocked by water.

A method for food fresh-keeping and the fresh-keeping refrigerating room, comprising the refrigerating, humidifying and deoxidation the food in the refrigerating room; the said deoxidation step is: removing the oxygen in the air when the oxygen concentration amounting to a certain value and then loading the food into the refrigerating room; and the said humidifying step is: humidifying the air when the degree of humidity is under a certain value. The fresh-keeping by this method and in this refrigerating room can maintain for a long time for the proper value of the oxygen content, humidity, temperature and carbon dioxide content in the refrigerating room air, particularly by humidifying at a low temperature can reach a good humidifying effect in the refrigerating room with a low temperature, solving the problem existing in the humidifying for a long time; furthermore, the deoxidation cost can be deduced largely by burning to remove oxygen. The device is most suitable for the Sea Island and ocean-going ship for transport which demands the food fresh-keeping.

The invention provides a hollow fibre membrane air-conditioning water-free humidification system, comprising an air-conditioning indoor unit and a hollow fibre membrane humidifier, wherein the hollow fibre membrane humidifier comprises a shell, an air passage and a water passage, the air passage and the water passage are used for separating a hollow fibre membrane which is placed in the shell, the hollow membrane is a permselective membrane, and water vapor but liquid water can permeate the membrane; and the air-conditioning indoor unit is connected with the water passage by a condensate pipe, part of the condensed water precipitated by the air-conditioning indoor unit enters the water passage of the hollow fibre membrane humidifier by the condensate pipe, the water vapor in the water passage selectively permeates the membrane to the other side of the membrane and then is mixed with the dry air in the air passage to realize humidification, and the humidified air is delivered to the indoor through the air outlet of the air-conditioning indoor unit. The invention fully uses the condensed water, at the same time, only the water vapor but pollutants and impurities can permeate the membrane, and thereby the invention eradicates the 'whiting' phenomenon and improves the indoor air quality.

Provided is a flowerpot capable of increasing humidification function by water contained in a water tank and maximizing air filtering ability by preventing dust from stacking on leaves of a plant in the pot by using a cover member. CONSTITUTION: Water is contained in a water tank(100). Through-holes are formed in the blocking member(200), and the blocking member is installed in the water tank. A first air way(310) is formed in an upper outer surface of a flowerpot(300), and thus a lower part of the flowerpot is inserted and fixed in a through-hole(201). The cover member(400) is detachably mounted on an upper part of the water tank to surround the plant of the flowerpot, and a second air way(410) for ejecting air to the outside is formed in the cover member. A lamp(500) is mounted on the blocking member to irradiate light into the water tank and the cover member. A ventilation fan(600) injects air into the water tank.

An evaporation chamber comprises a trough and an intermediate chamber disposed above the trough. The bottom of the intermediate chamber includes a liquid outlet through which liquid flows from the intermediate chamber into the trough. The intermediate chamber comprises a level valve, which allows a flow of liquid to follow from a liquid connection into the intermediate chamber so that the liquid level in the intermediate chamber is between a minimum level and a maximum level. The intermediate chamber has a liquid connection, a level valve, and a compensation connection. The liquid connection supplies a liquid. The level valve, allows a flow of liquid to follow from the liquid connection into the intermediate chamber so that the liquid level in the intermediate chamber is between a minimum level and a maximum level. The compensation connection is pneumatically connected to the gas space around the float.

The invention discloses an atomization device and an ultrasonic humidifier, wherein the atomization device comprises a transducer, an atomization enhancing part and a buoyancy part, wherein the atomization enhancing part is arranged in liquid above the transducer in a floating manner and comprises a guide cylinder with a through hole, an axial center line of the through hole is consistent to an axial center line of the transducer, and the buoyancy part is connected with the guide cylinder and can floats on the surface of the liquid above the transducer. According to the invention, the existing ultrasonic humidifier is revolutionarily improved, when the liquid above the transducer is at any liquid level height, the atomization device and the ultrasonic humidifier provided by the invention can generate good atomization effect, thereby being adapted to a use environment with any liquid level height, greatly increasing the atomization efficiency, and having the advantages of high adaptability, simple structure, low material consumption, low manufacture cost, convenience in installation, easiness in cleaning and the like.

The invention discloses a humidifying method of an air conditioner. The air conditioner is provided with a humidifying system, the humidifying system includes a humidifying wind outlet, a humidifyingwind outlet and a humidifying wind channel, the humidifying wind channel communicates with the humidifying wind outlet and the humidifying wind inlet, a draught fan, a humidifying wet film and a heating device located between the humidifying wind inlet and the humidifying wet film are arranged in the humidifying wind channel, the humidifying method of the air conditioner includes the following steps that the indoor humidity of the environment where the air conditioner is located is obtained; and when the indoor humidity is less than a preset humidity, the draught fan is started, and the heating device is opened. The invention further discloses a humidifying device of the air conditioner, the air conditioner and the computer readable storage medium. Air is heated by the heating device, andthe water absorbing capacity of the air is improved. Meanwhile the air with high temperature passes through the humidifying wet film, the rate of water evaporation of the humidifying wet film is accelerated, the moisture content of the air sent from the humidifying wind outlet is increased, and the humidifying effect of the air conditioner is improved.

Disclosed is a membrane humidifier for a fuel cell, which uniformly humidifies entire hollow fiber membranes from an outer side to a central portion of an interior of the membrane humidifier to improve the distribution of wet air and dry air, thereby improving a humidification performance. The membrane humidifier for the fuel cell includes a hollow upper case including first wet air inlet apertures and first wet air outlet apertures and a membrane module assembly including a plurality of unit membrane modules received lengthwise within the upper case along the flow direction of dry air.

The invention provides a fuel cell pile test bench, which comprises a hydrogen gas system and an air system. The hydrogen gas system comprises a hydrogen gas circulation pump, a tail exhaust valve andan anode back-pressure valve. The air system comprises an air circulation pump and a cathode back-pressure valve. An accessory configuration mode for simulating different fuel cell engine systems isrealized by controlling whether accessories contained in the hydrogen gas system and the air system operate or not assisted by a computer. In addition, for the same accessory configuration mode, devices in the hydrogen gas system and the air system are modularly arranged, are convenient in disassembly and assembly, and are easily replaced with components of different models in the same series. Thefuel cell pile test bench and the using method thereof solve the problems of low test efficiency and high cost in the process of simulating different accessory configuration modes of the pile.

The invention relates to a constant temperature wine cabinet, comprising a refrigerating system, a temperature sensor, a PCB (printed circuit board) control panel and a humidity control system, wherein the humidity control system comprises a humidifier, a humidifying blast pipe and a humidity sensor, the humidifier is provided with an air inlet and an air outlet, the air outlet is connected with the humidifying blast pipe, the humidifier is provided with a water tank, the water tank is internally provided with a fan and water absorption fibers, and the water absorption fibers are partially immersed in water in the water tank. One or more moist air out discs or moist air out tubes are arranged in the wine cabinet box. The moist air out discs or the moist air out tubes are connected to humidification air pipes. The moist air out discs are annular moist air out rings provided with a plurality of air out openings on the bottom. The invention can reduce the production cost of a high-grade wine cabinet, the humidification operation requires for starting a fan motor only, and the humidifying device has a simple and reasonable structure, thus saving electricity and energy. A controller regulates and controls the humidity of the wine cabinet according to the real-time sensing result sensed by the humidity sensor in the cabinet, thus ensuring temperature and humidity of the wine cabinet to be constant.

A humidifying system of an air conditioner comprises a ducted type air conditioner (10) and a humidifier body (1), wherein a main air duct, which is divided into an air outlet (11) and a high static pressure air supplying chamber (12) through a heat exchanger, is arranged on the ducted type air conditioner (10); an atomizer (2) is arranged at the bottom part of the humidifier body (1); a mist venting opening (3), which communicates with a mist venting chamber (4) at the outside of the sidewall of the humidifier body (1), is formed in the top part of one sidewall of the humidifier body (1); a mist venting tube (5), which can laterally extend into the air outlet of the ducted type air conditioner (10), is fixedly connected to the outer sidewall of the mist venting chamber body (4); an air supplying port (6), which communicates with the high static pressure air supplying chamber (12) through a pipeline, is formed in the upper part of the outer wall of one side, far away from the mist venting opening (3), of the humidifier body (1).

The invention provides a method for forming an under bump metal layer, which comprises the following steps: forming a metal substrate layer and a passivation layer for protecting the surface of a chipand exposing the metal substrate layer on the chip; after sequentially forming a first metal layer and a photoresist layer on the passivation layer and the metal substrate layer, and forming an opening on the photoresist layer, wherein the first metal layer on the metal substrate layer is exposed at the opening; in the opening, sequentially forming a second metal layer which comprises a solder layer on the first metal layer; and etching the first metal layer until the passivation layer is exposed after the photoresist layer is removed, and forming the under bump metal layer by the etched first metal layer and the second metal layer. The invention also provides the under bump metal layer, a wafer level chip scale package structure and a forming method thereof. The method for forming the under bump metal layer improves the electrical performance and the reliability of a film.

The invention provides a humidifying cabinet air conditioner which comprises a cabinet main body, wherein the cabinet main body is provided with an air conditioner control panel, an air outlet at the upper part of the cabinet main body is provided with an air deflector, in addition, the top of the cabinet main body is fixedly provided with a first water storage tank for storing humidifying liquid and a second water storage tank for storing a liquid air freshener, each of the first and second water storage tanks is provided with a water injection port, a water outlet, a liquid level sensor and a water outlet pipe, the water drainage of each water outlet pipe is controlled by an electrovalve, and a hydrophilic material layer is paved on the surface of the air deflector and is respectively communicated with the water outlet pipes by capillary drainage pipes. The electrovalves are controlled by the air conditioner control panel, so that the humidifying liquid or the liquid air freshener in the first water storage tank or second water storage tank wets the hydrophilic material layer on the air deflector, and the air humidifying and freshening effects are realized in an air supply process at an air outlet; the humidifying cabinet air conditioner has the advantages of simple structure, convenience in use, energy conservation, longer service life and the like.

An air handling unit for a data centre, a data centre comprising such a unit, a method of operating such a unit and a method of cooling IT equipment in a data centre using such a unit is disclosed. An indirect air handling unit (IDAHU) (101) for a data centre comprises an external air flow path (102) arranged to be in fluid communication with air outside the data centre; an internal air flow path (103) arranged to be in fluid communication with air inside the data centre, wherein the external air flow path (102) is separated from the internal air flow path (103); and a plurality of heat tube panels (106). Preferably, each heat tube panel (106) comprises at least one heat tube, wherein each heat tube comprises a first section extending into the external air flow path (102) and a second section extending into the internal air flow path (103). Preferably, the plurality of heat tube panels (106) is arranged in at least one row across the internal air flow path (103) and across the external air flow path (102). Preferably, at least one of the heat tube panels (106) is a removable heat tube panel that extends through an opening between the internal air flow path (103) and the external air flow path (102).

The present invention relates to an air cleaner which is very effective in purifying and humidifying air in room and has functions for sterilizing and perfuming air. A main body is provided with an air suction grill and an air discharge grill for a suction fan installed at the inner upper part to suck outer air to blow it over the water in tank to trap and remove pollutants and humidify the cleaned air. The air cleaner also comprises a number of negative charge pins installed above the water in the tank to keep a distance from one another and receive negative electricity to give negative charge to the pollutant, and an electrification roller rotating with the positive charged tank water adhering to its surface in rotation to come close to the negative charged pins to attract and trap negative charged pollutants from the air around the pins into the positive charged water on the roller surface for removal in washing off in the tank.

The invention relates to an integrated water purification, humidification and air purification environmental electric appliance, which comprises a water treatment module, an air purification module and a humidification module, wherein the water treatment module adopts a multistage filtering system, and comprises a front filter element, a reverse osmosis membrane and a rear filter element, which are sequentially arranged; the air purification module is arranged at the upper end of the water treatment module, and comprises a multilayer filter screen and an air tank; external air enters the air tank after being filtered by the multilayer filter screen; the humidification module comprises an ultrasonic vibration piece, a water box and an air outlet hole; the water box of the humidification module is adjacent to a water tank of a water purifier; the water box of the humidification module and the water tank of the water purifier are both positioned above the air purification module. According to the environmental electric appliance, water purification, air purification and humidification are integrated in the same device, so that the environmental electric appliance is convenient to use and small in floor area; in addition, pure water produced by the water purifier is automatically adopted by a humidifier for humidification, so that the environmental electric appliance can be used more automatically, and good humidification effects are achieved.

The invention discloses a reaction gas humidifier for a proton exchange membrane fuel cell, comprising a humidification tank, a heating jacket, a thermocouple, a porous metal material, an inlet air pipe, an outlet air pipe, purified water, a temperature controller, a gas flow controller and the like. The humidifier can control the reaction gas humidification of the fuel cell accurately, has the advantages of adjustable humidification amount, ideal humidification effect, no liquid water drops, high humidification speed, simple and practicable device, lower cost and the like, and can be suitable for a test experiment system of the proton exchange membrane fuel cell.