33results about How to "Does not affect air volume" patented technology

The invention provides a cross-flow fan comprising a first rotary support, a second support and blades. The first rotary support and the second support are respectively provided with a plurality of jacks, and the plurality of jacks are arranged around a common rotary axial line; and the blades are detachably inserted between the first rotary support and the second support through matching with the jacks, wherein the plurality of blades are arranged by surrounding the rotary axial line to form a barrel structure. According to the cross-flow fan disclosed by the invention, the blades and other assemblies are detachably assembled, thus the manufacturing is simplified and the development cycle is shortened.

The invention relates to a cabinet-type air-conditioner indoor machine, which comprises a pedestal, a shell, a front framework, a front panel, a lower suction grid, a lateral suction grid, a filter, an indoor fan, an indoor heat exchanger and an electrical heater; and the electrical heater comprises a left fixed frame, a right fixed frame, a left rotating bracket, a right rotating bracket, a plurality of fins and a motor. When the heating operation of the cabinet-type air-conditioner indoor machine disclosed by the invention is carried out, the fins are in a horizontal state by utilizing the motor on the electrical heater, and because the frontal area of the fins is maximal, air flowing into the inner part of the indoor machine can be effectively heated; and when refrigerating operation is carried out, the fins on the cabinet-type air-conditioner indoor machine are in a vertical state, so that the wind quantity of circulating air can not be influenced, further, a larger wind quantity can be realized at a smaller rotating speed of the indoor fan, and energy consumption and noise can be greatly reduced.

The invention relates to a ventilating fan. The ventilating fan comprises a frame and a hodmadod which is provided with a motor with fan blades; a wind outlet of the hodmadod is provided with an on-off curtain which is fixed on the wind outlet of the hodmadod by a shaft; the outer side of the shaft is provided with an iron block for making the on-off curtain in a closed state; the outer side of the hodmadod is provided with an electromagnet; when the ventilating fan operates, the electromagnet attracts the iron block and keeps an open state of the on-off curtain; the ventilating fan can effectively prevent the on-off curtain from vibrating, thereby not influencing the performances of input air, noise and static pressure, etc. of the machine.

The utility model provides a framework for an indoor unit of an air conditioner and the indoor unit of the air conditioner. The framework for the indoor unit of the air conditioner comprises a framework body, a water receiver arranged on the inner side of the framework, an outer water receiving slot integrally formed with the framework on the outer side of the framework, and a drainage channel communicated with the lower end of the outer receiving slot. The framework for the indoor unit of the air conditioner is characterized in that: the water receiver arranged on the inner side of the framework is an inner water receiving slot directly formed on the inner side of the framework; the inner water receiving slot is obliquely arranged, and one end of the inner water receiving slot close to the drainage channel is lower; the lower end of the inner water receiving slot is provided with a right drainage hole which drains condensing water to the drainage channel; the higher end of the inner water receiving slot is provided with a left drainage hole; the left drainage hole is arranged above the higher end of the outer water receiving slot; and the higher end of the inner water receiving slot extends to the edge of the framework. The invention can reduce the manufacture dies, shorten the processing procedures, reduce the production cost, improve the production efficiency, and has a reasonable drainage structure and high drainage efficiency.

The invention discloses an automobile air conditioner air outlet. The automobile air conditioner air outlet comprises a shell and an air guide mechanism; an air inlet channel and an air outlet channelare sequentially formed in the shell; the air outlet channel comprises an upper air channel and a lower air channel; the upper air channel is configured to output first air flow, and the lower air channel is configured to output second air flow intersecting with the first air flow; the air guide mechanism comprises a single main blade which rotates around the X axis and is arranged at the openingof the shell, and an air door arranged in the air outlet channel; the main blade is provided with an air door operation piece in transmission connection with the air door; when the main blade rotatesaround the X axis, the main blade guides the direction of first airflow and the direction of second airflow, and therefore adjustment of longitudinal air guide is achieved, and the air door operationpiece drives the air door to be matched with the shell, therefore, the air volume of the air inlet channel is adjusted. The automobile air conditioner air outlet is simple in structure and good in air blowing effect.

The invention discloses a silencer of a range hood, which is arranged in an outlet of an exhaust cover of the range hood. The silencer is characterized by being provided with a lampblack airflow inlet in the bottom and a lampblack airflow outlet in the top; the silencer comprises a silencer shell; the silencer shell takes the shape of a hollow column; and a silencing structure for passing through lampblack airflow and absorbing noise is arranged in the silencer shell. As the silencer is arranged in the outlet of the exhaust cover of the range hood, the noise of the lampblack airflow from the exhaust cover is reduced, the better noise reducing effect can be obtained, and the air volume is not influenced.

The invention relates to an intelligent noise reduction method for a range hood. The method is characterized by comprising the following steps that 1, a real-time sound signal in an operation processof the range hood is collected, and if a personal sound signal is contained, a step 2 is executed; 2, a user sound pressure value and a background noise sound pressure value are obtained; 3, if the user sound pressure value minus the background noise sound pressure value is less than or equal to a preset threshold, a step 4 is executed; 4, resistance and stove firepower in the flue communicating with a smoke exhaust port of the range hood are detected, if the resistance in the flue is less than or equal to a preset resistance threshold, and the stove firepower is less than or equal to the preset resistance threshold, a step 5 is executed; and 5, a speed of a fan of the range hood is reduced, and the step 1 is re-executed after preset time is delayed. Compared with the prior art, the methodcan meet the requirements of a user on the oil fume suction performance of the range hood under the condition of improving the conversation quality of the user.

The invention discloses a bionic noise-reducing air conditioner grid. Sawtooth structures are arranged on the front edge and the rear edge of the bionic noise-reducing air conditioner grid, sawtooth unit bodies of the sawtooth structures are evenly distributed on the edges of the bionic noise-reducing air conditioner grid, and the sawtooth unit bodies are symmetrically distributed on the front edge and the rear edge of the bionic noise-reducing air conditioner grid. The sawtooth structures are triangular sawtooth structures or spline-shaped sawtooth structures or semi-oval sawtooth structures or semi-circular sawtooth structures. The sawtooth structures on the front edge and the rear edge of the bionic noise-reducing air conditioner grid can prevent vortexes on the tail portion of the bionic noise-reducing air conditioner grid from falling off, pulsating pressure produced by unsteady-state airflow on the surface of the bionic noise-reducing air conditioner grid can be reduced, air power noise produced by the bionic noise-reducing air conditioner grid through the airflow can be reduced, and interference of the noise on working and the living environment can be reduced.

The invention discloses an air conditioner and a control method and device thereof. The air conditioner comprises a first fan, a second fan, an air guide mechanism and a top air outlet mechanism, wherein the top air outlet mechanism is arranged at the top of an indoor unit of the air conditioner in an up and down movable mode, and the air guide mechanism comprises a horizontal air guide strip anda vertical air guide strip. The control method comprises the following steps of under a refrigeration mode, receiving an opening instruction of a shower air mode, and controlling the air conditioner to operate in the shower air mode; obtaining the outdoor environment temperature; and determining a target frequency limited value of a compressor according to the outdoor environment temperature. According to the control method, the working states of the first fan, the second fan, the top air outlet mechanism, the horizontal air guide strip and the vertical air guide strip are enabled to match with the shower air mode in the operation process of the air conditioner, the compressor is controlled to operate in a frequency limited mode according to the obtained outdoor environment temperature, and the comfortable and natural shower type air field state is created so that the cooling effect can be ensured while the indoor comfort is ensured.

The invention relates to a range hood and a fan assembly thereof; a noise reduction module is additionally arranged at an air inlet of a volute on the fan assembly, the noise reduction module is optimally designed, the noise reduction module can achieve the effects of smoothing air flow at the air inlet and reducing the turbulence intensity of the air flow at the air inlet, and the purpose of reducing noise of the range hood is achieved under the condition that the air volume and air pressure of the range hood are not affected. An annular grating of a noise reduction grating can reduce radialflow of air flow at the air inlet, a radiation grating can reduce circumferential flow of the air flow at the air inlet, and therefore the disturbance degree of the air flow is reduced. The air inletends of all the annular gratings are matched with the airflow velocity contour distribution at the air inlet, so that airflow with the same velocity can enter the annular gratings at the same time; the distribution direction of the annular grating is consistent with the airflow speed direction of the air inlet. On one hand, airflow disturbance can be reduced, noise is reduced, and on the other hand, the air volume and the air pressure are not affected.

The invention relates to the technical field of kitchen appliances, and in particular relates to a novel split type range hood. The novel split type range hood comprises a fume pipe, a decorative plate, a purifier, a motor and an air outlet, wherein one end of the fume pipe is connected with the purifier, and the decorative plate is arranged at the joint of the fume pipe and the purifier, the air outlet is formed in the other end of the fume pipe, the motor is arranged on the inner side of the air outlet, and the bottom of the motor is conical. According to the novel split type range hood provided by the invention, the structure is simple, a cavity is relatively small, the space is saved, the fume absorption performance can be enhanced, the degree of fat separation is high, the noise is low, the cleaning is convenient and the service life is long.

The invention discloses an air conditioner indoor unit and an air conditioner, and the air conditioner indoor unit comprises a shell and an air dispersing module; the shell is provided with an air outlet; the air outlet is formed in the shell, the air scattering module is mounted at the air outlet and comprises a mounting bracket and a wind wheel, and the wind wheel is rotatably mounted on the mounting bracket and can rotate under the driving of air outlet airflow of the air outlet. According to the air conditioner indoor unit, the wind-feeling-free effect of the air conditioner indoor unit can be achieved while the air volume of the air outlet is not affected. And rotation of the wind wheel does not need to be driven by a driving mechanism, the overall structure of the wind scattering module can be simplified, and the overall operation reliability of the wind scattering module is further improved.

The invention discloses an air conditioner indoor unit comprising a casing, a chassis and a positive and negative ion generator; the chassis comprises an air duct piece, and an air duct space is arranged in the air duct piece; the positive and negative ion generator comprises a generator body and at least one probe group, and each probe group comprises a positive ion probe and a negative ion probe; the positive ion probe and the negative ion probe are each connected with the generator body through a probe connecting wire, and arranged on the inner wall of the air duct space separately; and thegenerator body is arranged on the chassis, and located on the outer side of the air duct piece. According to the air conditioner indoor unit disclosed by the embodiment of the invention, positive andnegative ions in the air react chemically to generate active substances for surrounding and thoroughly decomposing bacteria, moulds, funguses and other microorganisms in the air, so that the sterilization effect is achieved; odorous substances in the air are oxidized and decomposed through generated strong oxidizing substances, and the function of removing odor is achieved; and no secondary pollution is caused, and the air volume of the air duct space is not affected.

The invention provides an air conditioner indoor unit which comprises a bottom shell, a panel, an evaporator and a sterilization module. The panel is installed on the bottom shell, and the bottom shell is used for being installed on an installation foundation; the evaporator is arranged between the bottom shell and the panel; and the sterilization module is arranged on the bottom shell, and the sterilization module and the evaporator are oppositely arranged, so that the sterilization module sterilizes air flowing through the evaporator. By means of the technical scheme, the technical problem that in the prior art, due to the fact that a sterilization module of an air conditioner indoor unit is arranged at an air port, the air volume at the air port is small can be solved.

The invention relates to an automobile air sterilization device. The device comprises a mobile phone clamping support, a degerming support and a fixing clamp, wherein the fixing clamp is located on one side of the degerming support, the mobile phone clamping support is located on the other side of the degerming support, the mobile phone clamping support is connected with the degerming support through a universal joint, a replaceable degerming film is arranged on the degerming support, and a fixing clamp is suitable for clamping an automobile air conditioner air outlet crosspiece. The device isadvantaged in that an air purification and sterilization device in the automobile is arranged at an air outlet of the air conditioner and is fixed on the automobile air conditioner air outlet crosspiece through the clamp, so the air volume of the outlet air of the air conditioner is not influenced.

The invention provides a central air-conditioning system applying an ultrafine particle purifying device. The system is characterized by comprising a central air-conditioning system and an ultrafine particle purifying device. The ultrafine particle purifying device is arranged in an air flue of the central air-conditioning system, and comprises a fan, a purifying cavity with an air inlet and an air outlet, and an ultrafine particle filtering device. The ultrafine particle filtering device is arranged on the air inlet of the purifying cavity. The fan is arranged on the air outlet of the purifying cavity. An air-out direction of the fan is toward the downstream end of the air flue. The cross section of the air flue on the position where the ultrafine particle purifying device is in is shielded partially by the ultrafine particle purifying device, and an airflow channel is reserved for ventilation.