200results about How to "Improve the air supply effect" patented technology

The invention discloses a condensation preventing method implemented by an air supply device of an air conditioner. The method is based on the air supply device. The air supply device comprises at least two annular air guide assemblies. The multiple annular air guide assemblies are sequentially arrayed in the front-back direction, front-back through air channels are formed in the middles of the annular air guide assemblies, an annular heat-exchange air channel is formed between each two adjacent annular air guide assemblies, an air inlet of the rear-end annular air guide assembly is used as a non-heat-exchange air inlet, and an air outlet of the front-end annular air guide assembly is used as a mixed air outlet; owing to the rear annular air guide assembly of each two front-back adjacent annular air guide assemblies, heat-exchange air which is blown out of the corresponding annular heat-exchange air channel formed between the two adjacent annular air guide assemblies forms a heat-exchange air film on the integral annular surface of the front annular air guide assembly. The condensation preventing method has the advantages that the structure of the air supply device of the air conditioner is reasonably arranged, so that condensation can be effectively prevented, and the service performance of the air supply device can be improved.

The invention belongs to the technical field of kitchen appliances, and particularly relates to an integrated cooker. The integrated cooker comprises a machine body and a range hood body; the range hood body comprises an air inlet, an air collecting box and a fan assembly; the air collecting box communicates with the air inlet; the fan assembly is arranged in the air collecting box; a volute air duct of the fan assembly extends downwards to the wall face of the bottom of the air collecting box and extends out of the bottom of the air collecting box to be rotationally provided with an air outlet base; and an air outlet is formed in one side of the air outlet base. According to the integrated cooker, the volute air duct extends downwards to the wall face of the bottom of the air collecting box and extends out of the bottom of the air collecting box to be rotationally provided with the air outlet base; the air outlet base is directly located on the outer side of the air collecting box, and the situation that a channel is located inside and occupies too much space is avoided; a through hole does not need to be additionally formed in the side edge of the machine body, and leakproofnessof the side face of the machine body is guaranteed; and meanwhile, the air outlet base is rotatably arranged, so that a user can conveniently adjust the air outlet direction according to actual needs,and humanization is achieved.

The invention discloses an indoor unit of a wall-mounted air conditioner. The indoor unit comprises a housing, a front panel, an air outlet arranged below the front panel, and an evaporator located inside an indoor unit shell defined by the housing and the front panel. The lower portion of the front panel is provided with a channel which extends up from the lower edge of the front panel. A first air guide plate used for opening or closing the air outlet is disposed at the air outlet. When the first air guide plate closes the air outlet, part of the first air guide plate covers the air outlet and the other part thereof is embedded in the channel. The channel is arranged in the front panel to accommodate the air guide plate, width of the air guide plate is greatly increased, and accordingly, an air supply passage can be extended by the use of the wider air guide plate and air supply performance of the indoor unit is improved.

The invention is suitable for the technical field of an air conditioner, and discloses an air conditioner and an air supplying method of the air conditioner. The air conditioner comprises a casing and a heat exchanger arranged in the casing, wherein an air inlet is formed in the casing; the casing is provided with an air hole penetrating through the casing; an air outlet which is used for blowing out the airflow to enable the negative pressure to be generated at the air hole is formed in the inner wall of the air hole; an airflow generating device which is used for driving the airflow to enter into the casing from the air inlet and discharging the airflow out the casing from the air outlet after the airflow flows through the heat exchanger is arranged in the casing; the air hole is positioned in one side of the airflow generating device. The air supplying method of the air conditioner adopts the air conditioner. By adopting the air conditioner and the air supplying method of the air conditioner, the aerodynamics theory is used, and an air supplying effect having performance many times higher than the performance of the air inlet and the air outlet is formed; the energy efficiency utilization is high; the air supplying effect is excellent; the air output is stable and uniform; people feel comfortable; the energy-saving and environment protection effect of the air conditioner is excellent.

According to an embodiment of the present invention, there is provided a crossflow fan includes: an impeller; and a tongue provided along a portion of the outer circumference of the impeller. The tongue is provided with a plurality of slits such that a cross-section of the tongue on a surface perpendicular to a circumferential direction of the impeller is formed in a comb shape. At least one slit of the plurality of slits is formed in a different shape.

The invention provides an indoor unit of an air conditioner. The indoor unit comprises a housing, an air inlet, an air outlet, an evaporator and a cross-flow wind wheel assembly. The left, middle and right of the back of the housing are provided with a left air inlet, a middle air inlet and a right air inlet in parallel. The evaporator covers all of the left air inlet, the middle air inlet and the right air inlet. The front of the housing is provided with a left air outlet, a middle air outlet and a right air outlet. The left air outlet and the left air inlet are communicated with each other to form a left duct; the middle air outlet and the middle air inlet are communicated with each other to form a middle duct; the right air outlet and the right air inlet are communicated with each other to form a right duct; the left duct, the middle duct and the right duct are mutually independent. The indoor unit employs the three independent ducts, flow guidance effect, air incoming effect and air outgoing effect are enhanced, and air supply capacity of the indoor unit is enhanced. The three air outlets are parallelly arranged on the left, in the middle and on the right, 180-degree air supply angular range can be achieved, air supply area is enlarged, the requirements of people for use are met, and the indoor unit is more comfortable for people to use.

The invention provides a wall-mounted type air conditioner indoor unit. The wall-mounted type air conditioner indoor unit comprises a shell, an upper air outlet, a lower air outlet, an air duct, a guide plate and a variable-speed motor, wherein the upper air outlet and the lower air outlet are arranged on the lower portion of the front side of the shell in an up-down manner; the air duct is used for guiding air in the shell to the upper air outlet and the lower air outlet; the front edge of the guide plate is pivotally installed between the upper air outlet and the lower air outlet, and the guide plate is configured in the modes that the guide plate can pivot upwards till the rear end of the guide plate abuts against the downward blowing position of the upper wall of the air duct so as toseal a passage, to the upper air outlet, of the air duct so that air can only be blown from the lower air outlet, and the guide plate can also pivot downwards till the rear end of the guide plate abuts against the upward blowing position of the lower wall of the air duct so as to seal a passage, to the lower air outlet, of the air duct so that air can only be blown from the upper air outlet; and the variable-speed motor is configured to drive the guide plate to pivot upwards / downwards, and the guide plate is driven to pivot upwards / downwards at a high rotation speed at first and then a low rotation speed so as to relieve collision between the rear end of the guide plate and the upper wall / lower wall of the air duct. According to the wall-mounted type air conditioner indoor unit, the air supply mode of an air conditioner is enriched, and a wind feeling experience of users is improved.

The invention discloses an indoor unit of a cabinet type air conditioner. The indoor unit comprises a main body, wherein an opening is formed in the top of the main body; a top air outlet device is arranged in the opening, and comprises at least two annular air guide bodies vertically arranged; a non-through cavity is formed between the annular air guide bodies at the top layer; a through cavity is formed between the rest annular air guide bodies; and an annular air outlet way for exhausting air in the main body is formed between adjacent two annular air guide bodies. As the top air outlet device having the annular air outlet way is arranged at the top of the indoor unit, the problems of small air feeding angle and high air volume loss in an indoor unit of a traditional cabinet type air conditioner are effectively solved.

The invention is applicable to the technical field of air conditioners and discloses a ceiling air conditioner and an air supplying method using the same. A wind wheel forwards blows out airflow from an air outlet in the side wall or periphery of each wind tunnel, the airflow can carry the adjacent airflow to move forward together while being blown out forwards from the air outlet along the axial direction of the wind tunnel, so that negative pressure is formed in the wind tunnel; under the pumping action of negative pressure, air at the rear part of the wind tunnel is pumped forward so as to enter through an opening in the rear end of the wind tunnel, pass through the wind tunnel and flow out from an opening in the front end of the wind tunnel, so that the air supplying effect of an airflow center is enhanced; furthermore, air around the wind tunnel is supplemented under the action of negative pressure, and the central airflow drives the surrounding airflow to flow forward together, so that the air supplying range is enlarged, an air supplying effect which is at least multiple times that of the air inlet capacity of the air inlet is formed, the energy efficiency utilization ratio is high, a lot of cold air or hot air is prevented from being directly blown to the head of a user and further causing discomfort of the user, the air supplying effect is good, and the comfortable degree of a human body can be improved.

The invention discloses a flow guiding device for air conditioning equipment and the air conditioning equipment. The flow guiding device comprises a supporting framework, a plurality of air guide blades and a driving device, the supporting framework comprises an inner supporting component and an outer supporting component, the inner supporting component is arranged on the radial inner side of theouter supporting component, the inner support member and the outer support member are arranged at intervals to define a flow space of air flow, the plurality of air guide vanes are arranged in the flow space and are distributed at intervals in the circumferential direction of the supporting framework, the axial ends of each air guide blade are respectively pivoted with the inner supporting component and the outer supporting component, the driving device is arranged on the outer side of the outer supporting component, and the driving device is connected with at least one air guide blade and drives the air guide blade to rotate so as to adjust the flow direction of air flow in the flow space. According to the flow guide device, the driving device can drive the plurality of air guide blades to rotate so as to form a rotary air flow, therefore, the air supply range of the flow guide device can be enlarged, and the air supply uniformity of the flow guide device can be improved.

The invention belongs to the technical field of air ducts, and discloses an air duct system, an air supply method of the air duct system and a fan and an air conditioner with the air duct system. An air flow channel is divided into at least two sub channels by air tunnel portions, wind wheels suck air flow in from air inlets, the air flow is made to flow through a heat exchanger and then made to be blown out forwards from air outlets located on the inner side or the periphery of the air tunnels, the air tunnels are front-back through tunnels, air enters an air inlet portion from the air inlets, flows to squeezing portions, then is divided into at least two streams under the effect of the air tunnel portions and then is blown out from the air outlets, air blown out from the air outlets enables the front sides of the air tunnels to form negative air pressure, and air at the rear portions of the air tunnels is sucked forwards and flows out from front end openings of the air tunnels. The air supply effect which is at least multiple times the air inlet capacity of the air inlets is formed through the principles of the aerodynamics, the energy efficiency utilization rate is high, the air supply effect is good, and the energy saving and environment protection effects are good.

The invention provides a diagonal flow fan and an air conditioner equipped with the diagonal flow fan. The diagonal flow fan comprises a rotatably drive wheel hub (4B) and a plurality of blades (4A) arranged around the wheel hub (4B). Each of the blades is equipped with a leading edge (41) and a trailing edge (42). The leading edge (41) has a bending part (Lc) and a radially external linear leading edge extending radially and outwardly from the bending part (Lc) and substantially parallel to the trailing edge (42) of an adjacent blade (4A). The distance between the leading edge (41) and the trailing edge (42) of an adjacent blade (4A) is set to be greater than the wheel hub at the radial external direction. The diagonal flow fan reduces noises especially the sound caused by the rotation of the blades (4A), and improves the air supply balance of the blades (4A) so as to improve the air supply performance. Meanwhile, the productivity of the fan is increased.

The invention relates to a wall-mounted air conditioner indoor unit. The wall-mounted air conditioner indoor unit comprises a machine shell and a cross-flow fan; the machine shell is provided with anair inlet and a strip-shaped air outlet which is used for supplying air into a room, two independent air guide plates which are arranged side by side in the extending direction of the air outlet are arranged at the air outlet, and each air guide plate is configured to be controlled to be pivoted around a rotating shaft, which is parallel to the extending direction of the air outlet, of the corresponding air guide plate so as to be used for adjusting an opening and closing state and / or an air outlet direction of an air outlet area corresponding to the air outlet and the corresponding air guideplate, and the rotating shafts of the two air guide plates are collinear or parallel; and the cross-flow fan is configured to be arranged in the machine shell in a rotatable mode around a rotating shaft which extends transversely along the machine shell, and comprises a variable-diameter impeller, wherein the radius of the variable-diameter impeller is gradually increased from the transverse two ends of the machine shell to the middle of the machine shell. Therefore, multi-mode dual-area air supply can be realized, moreover, strong air supply can be realized in a middle area of the air outlet,soft air supply can be realized in two end areas of the air outlet, moreover, soft transition from the middle area to the two end areas can be achieved, and meanwhile, different requirements of usersrequiring for instant-cooling and instant-heating effects and users requiring for soft and comfortable effects are met.

An air flow direction changing device for an air adjusting device is provided with: a horizontal louver pivotably provided in front of the air discharge opening of the cabinet; a control unit for pivotably driving and controlling at the front face of the air discharge opening the horizontal louver and changing the discharge direction of the air flow delivered from the fan; and a flow regulating plate provided behind the pivoting range of the horizontal louver and regulating the air flow from the fan located at the rear of an air flow path. The control unit improves the air delivery performance by controlling the pivoting position of the horizontal louver in order that an air delivery guide path having a length greater than the depth of the single horizontal louver is formed, the air delivery guide path being formed by cooperation between the upper surface of the horizontal louver and the upper surface of the flow regulating plate when the horizontal louver is in an upwardly discharging position.

The invention belongs to the technical field of air ducts, and discloses an air duct system, an air supply method of the air duct system and an air conditioner with the air duct system. Air flow blown out from all air outlets flows forwards to enable negative pressure regions to be formed on the front sides of all air tunnels, and under the effect of all the negative pressure regions, air on the rear sides of the air tunnels is sucked to penetrate through the air tunnels, so that the air is blown out forwards with the air flow blown out from the air outlets. Due to the fact that air has certain viscosity, when the air flow is blown out from the air outlets, the air flow carries adjacent air flow to flow forwards together, the air supply effect at the air flow center is enhanced, moreover, air around the air tunnels is supplemented due to the effect of negative pressure, the air supply range is expanded, the air supply effect which is at least multiple times the air inlet capacity of air inlets is formed through the principles of the aerodynamics, the energy efficiency utilization rate is high, the air flow does not need to be cut by fan blades, the air supply amount is stable and even, human bodies can feel more comfortable, and the air supply effect is good.

The present invention provides a piezoelectric fan with which the air-moving performance of a vibrating plate is increased and thereby the cooling performance is improved, and also provide a cooling device including the piezoelectric fan. The piezoelectric fan includes reinforcing plates of a stainless steel that increase the rigidity of a portion of the vibrating plate corresponding to a gap between a piezoelectric element and a fixing plate. First ends of the reinforcing plates are attached to portions of the vibrating plate on both sides of piezoelectric elements in the width direction, and second ends of the reinforcing plates are attached to a fixed end of the vibrating plate such that the second ends and the fixing plate sandwich the fixed end of the vibrating plate therebetween and such that the reinforcing plates extend over the gap. The reinforcing plates prevent vibration of the portion of the vibrating plate corresponding to the gap, prevent a portion of vibration energy generated by expansion and contraction of the piezoelectric elements from being consumed in the portion corresponding to the gap, and increase the amplitude of the vibration of blade ends.

A multi-blade fan having improved noise performance and air delivery performance. A multi-blade fan (1) is provided with a scroll type casing (2) having a bell-mouth-shaped suction opening (22), and also with a blade wheel (3) equipped with annularly arranged blades (31) and housed in the casing (2) with the rotation axis (m) of the blade wheel directed to the suction opening (22) of the casing (2). In the multi-blade fan (1), the center axis (l) of the suction opening (22) and the rotation axis (m) of the blade wheel (3) have a positional relationship in which the axes cross each other at a tilt angle f or a positional relationship in which the axes are twisted relative to each other, and this results in a gap L between the suction opening (22) and the blade wheel (3) increasing from the rotation axis (m) of the blade wheel (3) toward the vicinity of a discharge opening (23) of the casing (2).

The invention provides a running control method and device, an air conditioner and a computer readable storage medium. The running control method includes the steps that a blowing assembly is controlled to run in an assigned air delivery mode; in the assigned air delivery mode, whether a control instruction which is specific to an assigned air outlet is received or not is detected; and the assigned air outlet is adjusted according to the control instruction. Through the technical scheme, when an air delivery mode without air feeling is carried out, any air outlet can be closed or opened, and thus the blowing demand of users can be met to the maximum degree.

The invention discloses an air flue type PTC heater. The air flue type PTC heater comprises a square air pipe. A fan and at least one set of heating areas are arranged in the square air pipe. A filtering net used for filtering out dust and moisture is arranged on an air outlet of the fan. Each heating area comprises a plurality of PTC heating plates arranged obliquely, wherein a ventilation interval for passing of airflow is arranged between every two adjacent PTC heating plates. The filtering net is arranged on the air outlet of the fan of the air flue type PTC heater, dust, particles, moistand the like in the air can be removed, dust accumulation and dirt formation on the PTC porous heating plates in the heating areas and the inner wall of the square air pipe are prevented, the influence of dust accumulation on heating efficiency is reduced, the dust removing frequency and maintenance cost are reduced, the quality of heated air is improved, and meanwhile the heating efficiency is improved.

The invention belongs to the technical field of heat exchange equipment, and particularly relates to a control method of an air conditioning system. The invention aims to solve the problems that the uniform distribution degree of cold and warm airflow in a room cannot be guaranteed when the indoor temperature is adjusted by the existing air conditioning equipment, and the temperature adjusting effect of each indoor position is not uniform. According to the control method of the air conditioning system, the temperature equalization degree in the room can be determined based on the difference between the maximum temperature value and the minimum temperature value in the current environment temperatures of the multiple areas in the room, so that the rotating speed of an indoor fan is regulated and controlled according to the current temperature equalization degree of the room, and the indoor air supply capacity of the air conditioning system is selectively adjusted, and therefore, the indoor temperature environment can be uniformly and quickly adjusted when the air conditioning system operates, and a good temperature adjusting effect can be achieved in any position in the room, and thus, the overall temperature adjusting effect of the air conditioning system is greatly improved.

The invention relates to a ventilation device for a textile workshop, which belongs to the technical field of ventilation facilities. The ventilation device comprises a hanging rod, a gear disc, a rotating rack, a power transmission mechanism, a driving gear wheel, a fan cylinder, an air delivery mechanism, a fan cylinder angle regulating mechanism and a feeding mechanism, wherein a connecting shaft sleeve is fixed outside the hanging rod; the gear disc is provided with engaging teeth and is fixed on the connecting shaft sleeve; the rotating rack is arranged on the connecting shaft sleeve and is positioned under the gear disc; the power transmission mechanism is arranged at one side of the rotating rack; the driving gear wheel is arranged on the upper part of one side of the rotating rack, is connected with the power transmission mechanism, and is engaged with the engaging teeth; the fan cylinder is provided with a cylinder cavity, and both corresponding sides of one end of the fan cylinder are pivoted and connected with the lower part of the rotating rack; the air delivery mechanism is arranged in the cylinder cavity; the fan cylinder angle regulating mechanism is connected with the power transmission mechanism and is also connected with the fan cylinder; the feeding mechanism is connected with the connecting shaft sleeve and is fixed with the rotating rack. The invention can conduct omnibearing air delivery in 360 degrees and can also deliver air up and down, thereby expanding the ventilation range of the textile workshop and improving the air delivery effect.

According to the present invention, a coolant shortage determination unit (S2, S3, S6, S8, S9) determines that a coolant shortage state is present when the high-pressure-side coolant pressure (Pd) between the discharge port of a compressor (11) and the entrance of the decompression unit (13) is lower than a predefined first reference pressure (KPd1), if the external air temperature (Tam) is equal to or higher than a predefined reference external air temperature (KTam); and determines that a coolant shortage state is present when the high-pressure-side coolant pressure (Pd) is lower than a predefined second reference pressure (KPd2), in a state in which the compressor (11) is in operation, if the external air temperature (Tam) is lower than the reference external air temperature (KTam). When the coolant shortage determination unit determines that a coolant shortage state is present, a compressor controller (S4) reduces the coolant discharge capacity of the compressor (11).

The invention belongs to the technical field of air ducts, and discloses an air duct system, an air supply method of the air duct system, a fan with the air duct system and an air conditioner with the air duct system. Airflow is at least divided into two ways and blown out from air outlets in the two sides of an air tunnel through flow diversion passages, so that airflow moving forwards evenly and stably is formed on the two sides of the air tunnel, strong and stable negative pressure can be generated in the air tunnel, under the suction effect of the negative pressure, air at the rear of the air tunnel is sucked forwards, enters the air tunnel from the rear end of the air tunnel, penetrates through the air tunnel, and then flows out of an opening in the front end of the air tunnel, the air supply effect of an airflow center is enhanced, air surrounding the air tunnel is supplemented due to the effect of the negative pressure, the center airflow drives the airflow surrounding the center airflow to move forwards together, the air supply range is increased, based on the aerodynamics principle, the air supply effect that the air inflow capacity is multiple times of the air inflow capacity of air inlets is formed, the energy efficiency utilization rate is high, and the air supply effect is good.

The invention provides an air conditioner indoor unit and a control method thereof. A laser detection device is installed on the air conditioner indoor unit. The control method includes the steps thatthe laser detection device is driven to transmit a laser detection signal to the surrounding environment of the air conditioner indoor unit; a reflection signal of the laser detection signal is obtained; whether a blocking event occurs in the surrounding environment or not is judged according to the the reflection signal, and the blocking event is an event in which at least part of body parts ofa target user in the surrounding environment forms no wind sense body part for being blocked by obstacles; if so, an operating state of the air conditioner indoor unit and attribute information of theblocking event are obtained; and the air outlet direction and / or air outlet speed of the air conditioner indoor unit is adjusted according to the operating state of the air conditioner indoor unit and the attribute information of the blocking event, so that the air supply flow of the air conditioner indoor unit automatically avoids the obstacles, and the problems such as poor wind sense and comfort due to the fact that the partial body parts of the target user are blocked by the obstacles can be reduced or avoided.

The invention belongs to the technical field of air conditioners for rail vehicles, and discloses an air conditioning unit and air duct system for a seating-sleeping dual-purpose rail vehicle. The system comprise an air conditioning unit arranged on the top of the rail vehicle and a main air duct, the main air duct comprises a dynamic pressure cavity area and a static pressure cavity area, the dynamic pressure cavity area is communicated with the air conditioning unit to supply air to corridors of the rail vehicle, and the static pressure cavity area is communicated with the dynamic pressure cavity area to supply air to carriages of the rail vehicle. According to the system, the structure that the dynamic pressure cavity area is communicated with the air conditioning unit and the static pressure cavity area is communicated with the dynamic pressure cavity area is adopted, the dynamic pressure cavity area supplies air to the corridors, the static pressure cavity area supplies air to the carriages, therefore, the air speed of the cold air entering the carriages is greatly decreased, and the riding comfort is improved.

The invention discloses a window-type air conditioner. The window-type air conditioner comprises a machine shell, an indoor heat exchanger, an indoor air driving device, a horizontal compressor, an outdoor air driving device, an outdoor heat exchanger and an electronic control box, wherein the indoor heat exchanger, the indoor air driving device, the horizontal compressor, the outdoor air driving device and the outdoor heat exchanger are arranged in the machine shell in sequence, the electronic control box is located on the upper portion of the horizontal compressor, the shaft axis of the horizontal compressor is parallel to the length directions of the indoor heat exchanger and the outdoor heat exchanger. According to the technical scheme, through the reasonable placement of all parts in the machine shell, the window-type air conditioner is compact in structure and small in size, specifically, the compressor is placed in a horizontal mode and is placed between the indoor heat exchanger and the outdoor heat exchanger, the shaft axis of the horizontal compressor is parallel to the length directions of the indoor heat exchanger and the outdoor heat exchanger, the whole height of the window-type air conditioner is reduced effectively, the window-type air conditioner is compact in structure and small in size, the adaptive window kind of the window-type air conditioner is increased, and storage and transport are convenient.

The invention discloses a cabinet air conditioner, an air conditioner and an air outlet control method for the cabinet air conditioner. The cabinet air conditioner comprises a shell, an air outlet device, a first centrifugal fan and a second centrifugal fan, wherein an air duct is formed in the shell; the air outlet device is fixed in the shell and comprises three air outlet structures which are transversely arranged at intervals, the three air outlet structures all communicate with the air duct, and an air channel is formed between every two adjacent air outlet structures and penetrates through the shell in the front-back direction; and the first centrifugal fan and the second centrifugal fan are located in the air duct, arranged below the air outlet device and vertically arranged in a spaced mode, the first centrifugal fan is located below the second centrifugal fan, and the power of the first centrifugal fan is higher than the power of the second centrifugal fan. By adoption of the technical scheme, the air volume and the air outlet mode of the cabinet air conditioner can be effectively adjusted, and thus the temperature of indoor air can reach the set temperature effectively and rapidly.