WO2017049515A1 - Unité intérieure de climatiseur - Google Patents

Unité intérieure de climatiseur Download PDF

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Publication number
WO2017049515A1
WO2017049515A1 PCT/CN2015/090484 CN2015090484W WO2017049515A1 WO 2017049515 A1 WO2017049515 A1 WO 2017049515A1 CN 2015090484 W CN2015090484 W CN 2015090484W WO 2017049515 A1 WO2017049515 A1 WO 2017049515A1
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Prior art keywords
air
indoor unit
cross
flow impeller
air outlet
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PCT/CN2015/090484
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English (en)
Chinese (zh)
Inventor
孙海潮
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孙海潮
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Application filed by 孙海潮 filed Critical 孙海潮
Priority to PCT/CN2015/090484 priority Critical patent/WO2017049515A1/fr
Publication of WO2017049515A1 publication Critical patent/WO2017049515A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates

Definitions

  • the invention belongs to the technical field of air conditioning and relates only to an indoor unit of an air conditioner.
  • the indoor air is sucked into the indoor unit by the cross-flow impeller, and is exchanged with the heat exchanger to become heat-exchanged air, which is blown out by the indoor unit air outlet duct.
  • the existing air-conditioning indoor air outlet ducts are all closed air ducts, and the heat exchange air is isolated from the indoor air outside the air outlet ducts before being blown out. Therefore, all the blown air ducts are blown out by heat exchange. wind.
  • the temperature difference between the inlet and outlet of the air conditioner indoor unit reaches about 14 degrees, and a large temperature difference is formed with respect to the original indoor air temperature.
  • the air conditioner When the air adjustment reaches the set temperature, the air conditioner is intermittently turned on and off around the set temperature. Adjusting the working condition of the room temperature, the outlet air temperature of the indoor unit is lower, and the human body is subjected to such direct blow of the indoor unit, and it will feel very cold, and is often subjected to the direct blow of the indoor unit with excessive temperature difference. It will be called the "air conditioning disease”. This problem is particularly acute in the elderly, the sick and the disabled, and the children's users. In order to solve this problem, it is necessary to provide a mixed air supply device to improve the temperature difference between the indoor unit air and the indoor air.
  • the outflow of the cross-flow impeller in the indoor unit is characterized by the fact that the wind is formed by multiple refractions on the wall of the outlet duct, which determines that the outlet duct of the cross-flow impeller is designed to be as narrow as possible and is oriented toward The cross-flow impeller axis is curved in an arc.
  • the air duct in the indoor unit cannot accommodate the normal air supply device. Otherwise, the air supply device is forcibly set, and the air outlet of the air outlet will be Blockage, the air supply device will also change the direction of the wind refraction of the cross-flow impeller, which seriously affects the wind pressure and the air output.
  • the air conditioner of the installation portion here refers to the wall mounted.
  • air guiding devices such as upper and lower air guiding, left and right air guiding, and diversion air guiding are provided.
  • Chinese Patent No. 2014207299611 entitled “A Split Wall-mounted Air Conditioner” (abbreviated as D patent) proposed on the rear volute of the air duct of the cross-flow impeller, that is, the air supply duct wall is set to send
  • the wind device introduces a technical solution in which air that has not been exchanged in the air is introduced into the room and forms a mixed air with the heat exchange air in the air supply duct.
  • the air supply duct of the air-flow indoor unit cross-flow impeller is the indoor unit air outlet duct.
  • the main point of the technical solution is to open the air duct wall and install a wind guiding component at the opening, and form an additional air inlet at a corresponding position of the indoor indoor casing, and the air guiding component is in the natural section of the patent specification 0008, 0009. Illustrated: the air guiding component is a plurality of lead-style grilles, and the "leading style grid includes a first portion on the rear volute type line and a second portion bent away from the air supply duct", It is obvious that the drafting assembly of the D patent is also disposed outside the wall of the outlet duct.
  • the purpose of the invention of the D patent has two points: 1.
  • the mixed air with a small temperature difference between the air supply duct and the room is sent to the room, and the mixed air with a small temperature difference is blown to the air.
  • the human body feels cool and not cold, softer and more comfortable, and improves the user's comfort experience.
  • 2. Increases the air supply volume of the indoor unit air outlet, which helps to speed up the indoor air flow speed and uniformity, and reduces the The time and energy required for the indoor air to reach the set temperature.
  • the technical solution of the D patent has three shortcomings: 1.
  • the space formed by the outer side of the air duct of the air conditioner indoor unit and the casing of the indoor unit is the only air conditioner connecting pipe and air conditioning drain pipe which can be used to set the thick heat insulating pipe.
  • the additional air inlet is far away from the air outlet to avoid the problem that the air outlet of the indoor air outlet is recirculated through the additional air inlet.
  • the thickness of the machine that is, the length perpendicular to the wall, has been generally 300mm thick from the early years, and the thin design has been designed to the current 135mm-200mm.
  • the additional air inlet is provided on the indoor casing to design it far away from the air outlet. It is impossible to exceed the thickness of the indoor unit.
  • This recirculation zone of the air conditioner is located at the lower edge of the indoor unit, usually away from the active area of the person in the room.
  • the backflow causes the air volume of the indoor unit to blow to the active area that usually needs air conditioning to be reduced, and the amount of air output is reduced to the target area, so that the D patent Not only can it not be reduced, but it increases the time and energy consumption required for the indoor air to reach the set temperature, and it is difficult to achieve the technical effect of the second invention of the D patent. 3.
  • the object of the present invention is to provide an air conditioner indoor unit, which solves the problem that the existing air conditioner indoor unit is not soft enough, and the air supply volume is small, that is, the D patent invention is completely achieved, and the invention of the D patent is solved.
  • the poor wind induction effect of the wind component and the additional air inlet bring more serious backflow problems.
  • the invention can be implemented without increasing the production cost on the basis of the existing air conditioner indoor unit, and the market competitiveness of the product is improved.
  • an air conditioner indoor unit comprising a cross-flow impeller air outlet duct and a cross-flow impeller air duct wall characterized by: a cross-flow impeller on the air duct wall There is a tuyere, and the upper end and the lower end of the tuyere are staggered to form an air guiding opening.
  • the air outlet of the indoor unit is located on the lower left side, and the upper end to the lower end are connected and connected.
  • the clockwise angle of the tangential line of the outlet duct wall of the tangent point is greater than 20° to less than 220°.
  • an air conditioner indoor unit includes a cross-flow impeller air duct and a cross-flow impeller air duct wall, and is characterized in that: a cross-flow impeller air duct There is a tuyere on the wall, and the upper end and the lower end of the tuyere are staggered to form an air guiding opening.
  • the connection from the upper end to the lower end is The clockwise angle of the tangential line of the outlet duct wall with the upper end being the tangent point is greater than 90° to less than 180°.
  • an air outlet is formed in the indoor unit casing above the indoor unit mounting plate.
  • the air inlet is communicated with the indoor air through a hole in the mounting plate.
  • a damper that can be opened and closed is provided on the air inlet.
  • the vertical distance between the upper and lower ends of the air inlet is less than 6 mm.
  • the air conditioner indoor unit of the present invention is specifically an indoor unit that uses a cross-flow impeller to enter and exit the wind. Therefore, the cross-flow impeller air outlet duct of the present invention is an indoor air outlet duct, and the cross-flow impeller air duct has four walls. That is, the cross-flow impeller air outlet duct wall, generally the cross-flow impeller air outlet duct is composed of the volute tongue and the volute of the air outlet duct portion, and the air inlet of the present invention is disposed on the volute of the cross-flow impeller air outlet duct wall Above, which is commonly referred to as the cross-flow impeller, on the ventilating wall of the air outlet duct wall.
  • the cross-flow impeller of the cross-flow impeller of the present invention is provided with a tuyere which is a vortex of the cross-flow impeller outlet duct wall.
  • a tuyere on the shell.
  • the cross-flow impeller has a long cylindrical shape
  • the cross-flow impeller has a rectangular cross section of the air outlet duct
  • the air outlet of the indoor unit has a rectangular cross section
  • the axial line of the cross-flow impeller is parallel to the long center line of the rectangular shape, so the cross flow
  • the tuyere opened on the impeller air duct wall is also corresponding to the rectangle with the long center line parallel thereto.
  • the two long ends forming the rectangular tuyere are in the order of the flow direction of the cross-flow impeller to the outlet of the indoor unit.
  • the long side of the rectangular tuyere on the wall of the outlet duct is the upper end, and the other long side corresponding thereto Then it is the lower end.
  • the invention is perpendicular to the axial center of the indoor flow impeller, and the projection plane of the indoor air outlet on the lower left side is the right side view of the air conditioner indoor unit, that is, FIG. 1 of the present invention, and vice versa, the left side view of the air conditioner indoor unit.
  • the characteristics of the indoor unit's cross-flow impeller refracting the wind determine that the wind duct is different from the general fan duct.
  • the general fan duct air duct technology is not suitable for the design of the cross-flow impeller duct.
  • the profile of the air outlet duct of the impeller must be curved curved in the direction of the axis of the cross-flow impeller. Therefore, if only the rectangular air outlet is simply opened on the original air outlet duct wall, the two long sides of the rectangular air outlet Still located on the arc-shaped curved air duct wall, the air flowing out of the cross-flow impeller will directly flow out at the tuyere against the tuyere, and it is impossible to achieve the purpose of introducing indoor air.
  • the staggered refers to the wall pattern of the outlet duct where the upper end and the lower end are located, not on the same curved line.
  • the relative positional relationship between the upper end and the lower end of the air inlet on the air duct wall must satisfy the specific "projection plane perpendicular to the axial center of the indoor flow impeller, and the indoor unit air outlet is located on the lower left side.
  • the connection between the upper end to the lower end and the upper end is a tangent angle of the tangential line of the outlet duct wall is greater than 20° to less than 220°.
  • the tangential line of the outlet duct wall with the upper end is the tangent point means that the upper end is the tangent point, and the curve of the outlet duct wall where the upper end is located is the tangent of the tangent point at the upper end, and the clockwise angle refers to the upper end to the end
  • the angle at the lower end of the line is clockwise and the angle between the tangent. If in the left view of the air conditioner indoor unit, the clockwise angle is the counterclockwise angle, and the two properties are the same.
  • the heat exchange air in the air outlet duct is mixed to form a gentle cool heat exchange air flowing out of the indoor unit air outlet to achieve the object of the present invention. Otherwise, since the air outlet duct is curved curved toward the axial direction of the cross-flow impeller, the cross-flow impeller refracts the heat exchange air flowing out to ensure that a complete negative pressure region is formed at the air inlet, and it is possible to form an induced and outgoing air. When the wind occurs at the same time, even if the heat exchange air flows out through the air inlet and cannot be introduced into the indoor air, the object of the invention is not only impossible to realize, but also the heat exchange air in the air duct of the cross flow impeller is shunted and discharged, resulting in the indoor unit.
  • the air volume is insufficient. If it is perpendicular to the indoor machine through the impeller axis line, the indoor unit air outlet is located in the lower left projection plane, and the line connecting the upper end to the lower end and the upper end is the tangential clip of the cut line of the outlet duct wall.
  • the angle is set in the range of more than 90° to less than 180°, the negative pressure region formed by the air inlet of the present invention has the best negative pressure effect, and the object of the present invention can be best achieved.
  • the invention can also provide a damper that can be opened and closed on the air inlet and controlled to be turned off by the air conditioner remote control, so that the air outlet of the air outlet of the air conditioner is mixed with the air formed by the total heat exchange and the heat exchange air and the indoor air.
  • Any conversion between the winds can meet the requirements of the original cryogenic refrigeration and the need for coordination during heating
  • the need for rapid temperature rise in the area can also meet the need to provide a gentle cool heat exchange wind, providing users with a flexible choice of experience mode. Since the air inlet is located on the inner side of the wind tunnel wall, the damper must be placed on the inner side of the air duct wall, and still does not occupy the space outside the wind duct wall.
  • the upper end and the lower end of the tuyere of the present invention are staggered to form an air guiding opening
  • the upper end and the lower end of the air guiding opening have a plurality of relative positional structures, wherein the upper end is curved toward the air outlet duct, and the lower end is still located.
  • the staggered arrangement on the wall of the original cross-flow impeller air duct is optimal, and the air inlets thus formed are all located in the wall of the original cross-flow impeller air duct, so as not to occupy the space outside the original wind duct wall, and It is basically located on the wall of the original wind tunnel, and has little effect on the wind of the wind tunnel.
  • the original cross-flow impeller air duct wall of the present invention is an outlet duct wall of the cross-flow impeller when there is no opening. Because the air inlet does not have the space and the occluded problem outside the wall of the wind tunnel, the air is fluent and the air volume is sufficient, which eliminates the air inlet of the D patented air intake component being blocked by the wind and the wind guiding effect is poor. Disadvantages. When the heat exchange wind flowing out of the cross-flow impeller flows to the indoor air outlet through the inwardly curved air inlet end, the upper end of the air inlet opening and the lower end of the original cross flow impeller air duct wall are formed.
  • the air inlet forms a negative pressure zone, and the indoor air outside the outlet air duct wall is continuously introduced to mix with the heat exchange air in the cross-flow impeller air duct to form a soft cool heat exchange air flowing out of the indoor unit. tuyere.
  • the amount of air at this time should be the indoor air introduced by the heat exchange air of the cross-flow impeller and the air inlet.
  • the total air output is increased, but the heat exchange energy is constant, and the heat exchange air is still flowing out of the cross-flow impeller.
  • the energy carried, the heat exchange energy of the indoor unit air outlet is unchanged.
  • the cooling capacity is constant, the air volume is increased, and the outlet air temperature is appropriately increased, so that the air outlet of the indoor unit air outlet is changed from the human body feeling cold wind to the cool air, and the air outlet becomes soft and comfortable. , thus eliminating the problem of "air conditioning disease". Since the amount of refrigeration carried by the air having an appropriately increased temperature is not reduced, the amount of airflow is increased, the indoor air circulation is accelerated, the time required to reach the set temperature is reduced, and power saving is achieved, thereby achieving the object of the present invention.
  • the rear side of the air conditioner indoor unit is equipped with a mounting plate.
  • the mounting plate is provided with a set of rectangular openings, usually 2 to 3, and the rectangular opening is communicated with the indoor air above the indoor unit, and on the cross-flow impeller volute
  • the outer side of the air duct wall is also connected.
  • the rectangular hole is hung on the hook of the metal wall panel, and the wall panel is pre-mounted on the wall, and the indoor unit is suspended on the wall. After the wall panel hook is hung on the rectangular opening of the mounting plate, the rectangular opening still has enough holes to communicate with the indoor.
  • the present invention is provided with an air guiding opening on the air outlet wall of the cross flow impeller volute, so the air inlet It is also connected to the interior.
  • the air-conditioning indoor unit casing in the vertical direction between the mounting plate and the wall panel There will also be gaps and openings in the air.
  • the existing air conditioner also has a design of a through-hole impeller on the cross-flow impeller of the indoor unit.
  • the gaps and the openings on the mounting plate are all existing air-conditioning indoor units. It is in communication with the outer side of the air outlet duct wall on the cross-flow impeller volute. Therefore, no special additional air inlet is required, and the existing technical characteristics of these air-conditioning indoor units are utilized, and the negative pressure formed by the air inlet is formed.
  • the air conditioning indoor unit of the present invention includes the prior art technical features of these air conditioning indoor units.
  • the hole for hanging with the wall panel is a well-known technique. Originally, it only has the function of hanging the indoor unit.
  • the air inlet is introduced into the indoor air duct.
  • the invention can also enlarge the air inlet amount of the air inlet of the invention by adding a tuyere on the indoor unit casing above the indoor unit mounting plate.
  • the above two types of air-inducing means that connect the air inlet to the indoor air are used to introduce the gaps, holes and air outlets of the indoor air, which are located at the top of the indoor unit against the wall, and the gap and the opening and the air outlet and the indoor air outlet have an indoor
  • the air inlets of the machine are separated, and the air inlet direction and the indoor air outlet direction angle are greater than 90°, so it is impossible to generate the possibility that the air outlet of the indoor unit is returned to the gaps and the openings and the tuyere, thereby eliminating the D patent opening. Attach When the air inlet brings back the flow, not only can it not reduce, but it will increase the time and energy consumption of the indoor air reaching the set temperature.
  • the volute of the cross-flow impeller is a one-time injection molded part, and an air guiding opening is formed on the air outlet duct wall of the cross-flow impeller volute, only one upper end is bent into the air outlet duct, and the lower end is still located in the original cross flow.
  • the rectangular air inlet on the wall of the impeller air outlet duct can be generated during the injection molding of the volute of the cross flow impeller, so the production cost is not increased.
  • the air outlet is opened on the indoor unit casing above the indoor unit mounting plate, and can also be formed when the indoor unit casing is formed at one time, and the production cost is also not increased.
  • the center line of the two long end ends of the rectangular air inlet should be parallel with the axial line of the cross flow impeller, so that the introduced indoor air and the heat exchange air in the air duct of the cross flow impeller are sufficiently uniformly mixed.
  • a plurality of connecting support bars may be arranged between the upper and lower ends of the rectangular air inlet to form a harmonical shape to improve the strength of the rectangular air inlet and reduce the vibration which may occur when the air flows at a high speed.
  • the heat exchange air flowing out from the cross-flow impeller is circulated out of the air duct on the wall of the air outlet duct.
  • the vertical distance between the upper and lower ends of the rectangular air inlet refers to the following edge as the starting point.
  • the normal line of the outlet air duct wall where the lower end is located to the upper side air outlet duct wall or the upper side outlet wind duct wall arc The straight line distance at which the extension lines intersect.
  • the air intake of the tuyere is larger, and there is no influence on the airflow of the cross-flow impeller. Because the air inlet of the present invention does not occupy the space outside the wall of the air duct, and does not collide with the tube outside the wall of the air duct, the line collides and is blocked by the wind, the present invention can be used in the cross flow impeller
  • An air inlet is provided at any position on the entire section of the air duct wall of the shell, and 3 to 8 or more air inlets may be provided on the entire section of the outlet duct wall to increase the air volume and the wind entering the air. Uniformity in the duct, there is no need in the D patent to define the opening 71 at a specific suitable position of the rear volute, otherwise it is difficult to avoid the problem of uneven air and insufficient air volume.
  • the indoor air duct of the cross-flow impeller for heat exchange is narrow, and it is difficult to accommodate the usual inward air blowing device including the air-inducing component of the D patent, even if the normal air blowing device is not provided.
  • the outlet air duct will also be squeezed into the blockage, changing the direction of the cross-flow impeller to refract the wind, which seriously affects the wind. Therefore, the technicians in the field of air-conditioning technology generally have a common understanding of the air-conditioning indoor air outlet duct. As described in the background of the present specification, it is not possible to provide an additional air blowing device.
  • the invention overcomes this technical prejudice, and a special structure air guiding opening is arranged in the air outlet duct, which can not only provide additional air supply for the air outlet duct, but also increase the air volume, and does not generate air output to the air outlet duct. Bad effects.
  • a rectangular tuyere is opened inward on the wall of the cross-flow impeller air outlet duct, and the relative positional relationship between the shape of the upper and lower long ends of the rectangular tuyere is specifically designed, so that the rectangular tuyere itself has an induced wind.
  • the function of the air inlet there is no need to set up another air intake component. Without the air-inducing component, there is no problem that the air duct is crowded and blocked, which seriously affects the wind, so that the invention aims to solve the problem that the wind is not soft enough, the air volume is small, and the production cost is also achieved.
  • the object of the invention is carried out without any increase.
  • the technical solution proposed in the claim of the D patent is to form an opening in the rear volute of the air supply duct of the cross-flow fan, and "form a wind-guiding assembly having an air-leading opening on the opening",
  • the air component provides an air vent, which not only has a complicated structure, but also requires installation space and an increase in production cost.
  • the invention provides a technical solution specially proposed for an air-conditioning indoor unit that adopts a cross-flow impeller to enter and exit the wind, and is a technical solution implemented on an indoor air flow duct air outlet duct wall.
  • the present invention has the following advantages and positive effects:
  • the invention has the advantages of forming a mixed air with a small temperature difference between the indoor air duct and the indoor air supply and increasing the air volume of the indoor unit in the air outlet of the air conditioner indoor unit, and fully achieves the object of the invention of the D patent and is superior to the patent invention of D. Purpose technical effect.
  • the invention solves the problem that the D-type patent has the advantage that the air-inducing component is difficult to be ideal and the additional air inlet brings a serious backflow problem.
  • the present invention can implement the present invention on the basis of the existing air-conditioning indoor unit without increasing the cost, and greatly improve the market competitiveness of the air conditioner.
  • the present invention overcomes the technical bias that the air supply device cannot be installed in the airflow duct of the cross-flow impeller of the air conditioner indoor unit.
  • FIG. 2 is a perspective view showing the structure of the air outlet of the air outlet duct of the present invention.
  • 1 in Figure 2 is an indoor unit casing
  • 2 is an indoor unit air inlet
  • 3 is a wall
  • 4 is a wall panel
  • 5 is a heat exchanger
  • 6 is a flow impeller volute hole
  • 7 is an indoor unit.
  • Mounting plate, 8 is a cross-flow impeller
  • 9 is a cross-flow impeller volute
  • 10 is a cross-flow impeller axis
  • 11 is the original wind tunnel wall trajectory
  • 12 is the upper end of the air inlet
  • 13 is the air inlet
  • 131 is the upper side
  • the line connecting the end to the lower end is a clockwise angle with the tangential line of the outlet air duct wall at the upper end
  • 14 is the lower end of the air inlet
  • 15 is the cross-flow impeller air duct wall
  • 16 is the cross-flow impeller.
  • the air duct, 17 is an indoor air outlet
  • 18 is a connecting support bar.
  • Point A is the upper end projection point
  • point B is the
  • FIG. 1 in FIG. 1 is an indoor unit casing
  • the cross-flow impeller air outlet duct 16 is an indoor unit air outlet duct
  • the cross-flow impeller air outlet duct wall 15 is an indoor unit outlet duct wall.
  • a heat exchanger 5, a cross flow impeller 8, a cross flow impeller volute 9 and a cross flow impeller air outlet 16 are disposed in the indoor unit casing 1.
  • the cross flow impeller 8 rotates through the indoor unit.
  • the air inlet 2 draws in indoor air, and the sucked indoor air is heat-exchanged by the heat exchanger 5 to form heat exchange air, and then passes through the cross flow impeller 8 in the cross flow impeller air outlet duct 16 and flows through the upper end 12 of the air inlet.
  • a negative pressure region is formed between the upper end 12 of the air guiding opening 13 and the lower end 14 of the air guiding opening, and the outdoor air passes through the indoor air inlet 2 and the cross flow impeller volute opening 6, and is sucked into the air guiding port 13 and the cross flow impeller.
  • the heat exchange air in the tunnel 16 is mixed to form a gentle heat exchange air, which flows into the room from the indoor unit air outlet 17.
  • the line connecting the projection point A from the upper end to the projection point B at the lower end is the connection from the upper end to the lower end, and has the same connection property as the connection between the upper end 12 of the air inlet 13 and the lower end 14 of the air inlet.
  • the air inlet 13 is sucked into the room through a set of rectangular openings on the mounting plate for hanging with the wall panel and the existing gaps and openings in the air conditioner indoor casing to communicate with the indoor air. air.
  • the method of inhaling indoor air by the two types of air inlets may adopt one of the methods or the simultaneous use depending on the amount of air intake.
  • the damper is provided on the air vent 13, the damper is closed, and the heat exchange air flowing out of the indoor air outlet 17 is exactly the same as the heat exchange air flowing out from the air outlet of the original air conditioner indoor unit. Two air outlet modes are available for users to use.
  • the cross-flow impeller volute of Figure 1 is overlapped with the indoor unit mounting plate for the reason of the drawing.
  • the cross-flow impeller volute hole 6 is indicated on the cross-flow impeller volute. There are vents and do not involve adjacent indoor unit mounting boards.
  • the direction of the arrow in Figure 2 of Figure 1 is the direction of air flow.
  • a plurality of upper and lower end connection support bars 18 may be provided to improve the strength and vibration resistance of the air intake opening 13.
  • the original wind tunnel wall trajectory 11 is the original wind tunnel wall projection line, that is, the profile line in the present invention.
  • the original wind tunnel wall trajectory changed by the setting of the air inlet 13 is indicated by a broken line, and the upper end projection point A is the tangent point of the tangential line of the outlet duct wall with the upper end being the tangent point.
  • the line connecting the projection point A from the upper end to the projection point B at the lower end is the connection from the upper end to the lower end.
  • FIG. 2 is a schematic perspective view showing the structure of the air inlet of the wind tunnel of the present invention, which visually shows the structure and the air intake of the air inlet of the present invention on the air duct wall.

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne une unité intérieure de climatiseur comprenant un conduit de sortie d'air (16) d'une roue à écoulement transversal et une paroi de conduit de sortie d'air (15) de la roue à écoulement transversal. Un évent est prévu sur la paroi de conduit de sortie d'air (15) de la roue à écoulement transversal. L'extrémité supérieure (12) et l'extrémité inférieure (14) de l'évent sont décalées pour former une ouverture d'aspiration d'air (13). Dans un plan de projection perpendiculaire à la ligne axiale de la roue à écoulement transversal de l'unité intérieure et sur lequel une sortie d'air (17) de l'unité intérieure est située au niveau du côté gauche inférieur, l'angle du sens horaire (131) entre la ligne s'étendant de l'extrémité supérieure (12) à l'extrémité inférieure (14) et une tangente à la paroi de conduit de sortie d'air (15) avec l'extrémité supérieure (12) servant de point de tangence est supérieur à 20° et inférieur à 220°.
PCT/CN2015/090484 2015-09-24 2015-09-24 Unité intérieure de climatiseur WO2017049515A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN107461901B (zh) * 2017-08-11 2023-05-09 珠海格力电器股份有限公司 出风设备的出风结构及空调器

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