CN110486823B - Cabinet type air conditioner indoor unit - Google Patents
Cabinet type air conditioner indoor unit Download PDFInfo
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- CN110486823B CN110486823B CN201910778758.0A CN201910778758A CN110486823B CN 110486823 B CN110486823 B CN 110486823B CN 201910778758 A CN201910778758 A CN 201910778758A CN 110486823 B CN110486823 B CN 110486823B
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Images
Classifications
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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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
-
- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
-
- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
-
- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
-
- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
-
- 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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The invention relates to the technical field of air conditioning, in particular to a cabinet type air conditioner indoor unit. The invention aims to solve the problem of poor heat exchange effect of the evaporator of the existing cabinet air conditioner indoor unit. For the purpose, the indoor unit of the cabinet air conditioner comprises a machine body, wherein an air inlet and a first air outlet are formed in the machine body, an air supply fan, an evaporator, a water receiving disc and a sterilization and purification module are arranged in the machine body, the water receiving disc is arranged below the evaporator, and the sterilization and purification module is arranged at the air inlet; the evaporator comprises a coil and fins arranged on the coil, and the center lines of the coil are located in the same horizontal plane and are spirally wound. Through the arrangement mode, when the cabinet air conditioner runs, the refrigerant flows along the spiral direction, so that when air flows through the evaporator, the heat exchange is more uniform, and the heat exchange effect is better.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to a cabinet type air conditioner indoor unit.
Background
As air conditioners are widely used in thousands of households, users have higher and higher requirements on the use performance of the air conditioners. Taking a cabinet air conditioner as an example, generally, under the same condition, the performance of the cabinet air conditioner depends on the heat exchange efficiency, and the heat exchange efficiency has a direct relationship with the heat exchange area, and the larger the heat exchange area is, the higher the heat exchange efficiency is generally.
Generally, the structure and the arrangement mode of the evaporator directly determine the size of the heat exchange area and the heat exchange efficiency. In the existing cabinet air conditioner, the evaporator is usually obliquely arranged in the air conditioner shell or attached to the air inlet, and the coil pipes are arranged in an S shape from one end to the other end, but the arrangement mode causes uneven contact heat exchange between the air flow and the evaporator, thereby causing unsatisfactory heat exchange effect.
Accordingly, there is a need in the art for a new cabinet air conditioning indoor unit that addresses the above-mentioned problems.
Disclosure of Invention
In order to solve the problems in the prior art, namely the problem that the heat exchange effect of an evaporator of the existing cabinet air-conditioning indoor unit is not ideal, the invention provides a cabinet air-conditioning indoor unit, which comprises a unit body, wherein an air inlet and a first air outlet are formed in the unit body, an air supply fan, an evaporator, a water pan and a sterilization and purification module are arranged in the unit body, the water pan is arranged below the evaporator, and the sterilization and purification module is arranged at the air inlet; the evaporator comprises a coil and fins arranged on the coil, and the center lines of the coil are located in the same horizontal plane and are spirally wound.
In the preferable technical scheme of the cabinet air-conditioner indoor unit, the evaporator comprises a plurality of layers of coil pipes along the vertical direction, and inlets and outlets of the plurality of layers of coil pipes are respectively connected in parallel.
In the preferable technical scheme of the indoor unit of the cabinet air conditioner, the water receiving disc comprises a circular disc and an annular disc, the circular disc and the annular disc are vertically arranged and are communicated through a drainage tube.
In the preferable technical scheme of the indoor unit of the cabinet air conditioner, the unit body comprises a cylindrical shell and an annular air outlet structure arranged at the top of the cylindrical shell, the air supply fan, the evaporator and the water pan are arranged in the cylindrical shell, and the annular air outlet structure is provided with the first air outlet.
In the preferable technical scheme of the indoor unit of the cabinet air conditioner, the annular air outlet structure comprises an inner annular surface and an outer annular surface, the outer annular surface is sleeved outside the inner annular surface and surrounds the inner annular surface to form an air outlet cavity, the front end of the outer annular surface and the front end of the inner annular surface form the first air outlet, the rear end of the outer annular surface and the rear end of the inner annular surface are connected in a sealing manner, the bottom end of the outer annular surface is further provided with a vent hole, and the air outlet cavity is communicated with the columnar shell through the vent hole.
In a preferred technical solution of the above indoor unit of a cabinet air conditioner, the outer annular surface is further provided with a second air outlet, the first air outlet is provided with a first flap mechanism, the second air outlet is provided with a second flap mechanism, the first flap mechanism is configured to close or open the first air outlet when acting, and the second flap mechanism is configured to close or open the second air outlet when acting.
In the preferable technical scheme of the indoor unit of the cabinet air conditioner, the sterilization and purification module is in a cake shape and comprises an HEPA filter layer, a cold catalyst filter layer, a negative ion sterilization lamp and an ion converter, the cold catalyst filter layer is positioned at the top of the cake shape, the HEPA filter layer is positioned at the bottom of the cake shape, the ion converter is positioned at the center of the cake shape, and the negative ion sterilization lamp is annular and surrounds the side face of the ion converter.
In the preferable technical scheme of the cabinet air conditioner indoor unit, the air supply fan is a digital turbine motor.
In the preferable technical scheme of the cabinet air-conditioning indoor unit, the cabinet air-conditioning indoor unit further comprises a base, and the machine body is rotatably connected with the base.
In the preferable technical scheme of the cabinet air-conditioner indoor unit, a gap is formed between the machine body and the base, and the air inlet is formed in the bottom of the machine body.
As can be understood by those skilled in the art, in a preferred technical solution of the present invention, the cabinet air-conditioning indoor unit includes a body, an air inlet and a first air outlet are arranged on the body, an air supply fan, an evaporator, a water pan and a sterilization and purification module are arranged in the body, the water pan is arranged below the evaporator, and the sterilization and purification module is arranged at the air inlet; the evaporator comprises a coil and fins arranged on the coil, and the center lines of the coil are located in the same horizontal plane and are spirally wound.
The coil pipe of the evaporator arranged in the cabinet air conditioner indoor unit is arranged in the same plane with the central line and in a spiral winding mode, so that when the cabinet air conditioner operates, a refrigerant flows along the spiral direction, the heat exchange is more uniform when air flows through the evaporator, the heat exchange effect is better, and the problem that when the existing evaporator is arranged in an S shape, the heat exchange effect is poor in one end and the other end is good is solved. The sterilization and purification module is arranged at the air inlet, so that the indoor unit can effectively perform circulating sterilization and purification on indoor air during operation, the cleanliness of the indoor air is improved, and floating particles in the air are reduced.
Further, set up the multilayer coil pipe through the evaporimeter along vertical direction, and the import and the air-out of multilayer coil pipe are parallel connection respectively for the area of contact of evaporimeter and air current is bigger, and the refrigerant of every layer of coil pipe flows evenly, is favorable to improving heat exchange efficiency, realizes the multistage heat transfer with the air current.
Furthermore, the water pan adopts a split design that the circular plate and the annular plate are arranged up and down, so that the problem that the water pan cannot be arranged below the evaporator when the evaporator is horizontally arranged is ingeniously solved, and the collection of condensed water is realized on the premise of not influencing air inlet.
Further, set up annular air-out structure through the top at the column shell, the structural first air outlet and the second air outlet that sets up of annular air-out, and first air outlet and second air outlet respectively dispose separation blade mechanism, make the air conditioner possess brand-new air outlet structure and two kinds of air-out forms (injection mode and diffusion mode), the air output is bigger, the air supply is regional wide, the range is far away, the user can select the air-out mode based on needs are nimble, traditional cabinet-type air conditioner product iterative sealed thought has been overturned, promote the development transformation of air conditioner.
Further, traditional disinfecting often sets up several shot-light, and this kind of disinfecting regional inhomogeneous has the blind area, and this application sets the pie through purifying module that will disinfect, and pie top and bottom set up cold catalyst filter layer and HEPA filter layer respectively, and the center sets up ion converter, encloses on the ion converter and establishes the anion bactericidal lamp for not only novel structure of purifying module that disinfects, the purification that disinfects moreover does not have the dead angle. The negative ions emitted by the ion converter not only have a certain sterilization effect, but also have the effects of resisting oxidation and aging, enhancing the immunity of the human body, enhancing the self-healing capability, promoting the metabolism of the human body, improving the sleep, effectively enhancing the oxygen carrying capability of blood and the like.
Further, through with organism and base swivelling joint for the air conditioner can the free rotation when the installation, conveniently finds the best installation angle, reduces the installation degree of difficulty, improves the suitability of air conditioner.
Further, a gap is formed between the machine body and the base, and the air inlet is formed in the bottom of the machine body, so that the area of the air inlet is larger, the air inlet volume is larger, and the heat exchange effect and the heat exchange efficiency are favorably improved.
Drawings
The cabinet air-conditioning indoor unit of the present invention will be described with reference to the accompanying drawings. In the drawings:
fig. 1 is a structural view of a cabinet type air conditioner indoor unit in a first embodiment of the present invention;
FIG. 2A is a top view of an evaporator of the present invention;
FIG. 2B is a front cross-sectional view of an evaporator of the present invention;
fig. 3A is a cross-sectional view of a first air outlet manner of the annular air outlet structure according to the present invention;
fig. 3B is a cross-sectional view of a second air outlet manner of the annular air outlet structure according to the present invention;
FIG. 4A is a structural diagram of a first embodiment of the water pan of the invention;
FIG. 4B is a structural view of a water pan according to a second embodiment of the present invention;
FIG. 5A is a front cross-sectional view of the sterilization and purification module of the present invention;
FIG. 5B is a top view of the sterilization and purification module of the present invention;
FIG. 6 is a schematic diagram illustrating the operation of an indoor unit of a cabinet type air conditioner according to a first embodiment of the present invention;
fig. 7 is a structural view of a cabinet type air conditioner indoor unit in a second embodiment of the present invention;
FIG. 8 is a block diagram of a fresh air module of the present invention;
fig. 9A is a schematic diagram illustrating a first fresh air mode of an indoor unit of a cabinet air conditioner according to a second embodiment of the present invention;
fig. 9B is a schematic diagram illustrating a second fresh air mode of the indoor unit of the cabinet air conditioner according to the second embodiment of the present invention;
fig. 9C is a schematic diagram of a third fresh air mode of the cabinet air conditioner indoor unit according to the second embodiment of the present invention.
List of reference numerals
1. A body; 11. a cylindrical housing; 111. an air inlet; 12. an annular air outlet structure; 121. An inner ring surface; 122. an outer annular surface; 123. a first air outlet; 124. a second air outlet; 125. a first catch mechanism; 126. a second catch mechanism; 2. a humidifying device; 21. a water tank; 22. an atomizer; 3. an air supply fan; 4. an evaporator; 41. a coil pipe; 42. a fin; 5. a water pan; 51. a circular disc; 52. an annular disc; 53. a drainage tube; 6. a base; 7. a sterilization purification module; 71. a HEPA filter layer; 72. a cold catalyst filter layer; 73. a negative ion germicidal lamp; 74. an ion converter; 8. A fresh air module; 81. a cylindrical housing; 811. an air suction opening; 812. an air outlet; 82. a fresh air fan; 83. a variable speed drive mechanism; 831. a drive motor; 832. a gear set; 833. an electric shifting fork.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the blower fan is shown above the evaporator, the positional relationship is not constant and can be adjusted as desired by one skilled in the art to suit the particular application. Obviously, the air supply fan can also be arranged below the water receiving tray, and the like.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring first to fig. 2A and 2B, the evaporator of the present invention will be described. Wherein, FIG. 2A is a top view of an evaporator of the present invention; fig. 2B is a front sectional view of the evaporator of the present invention.
As shown in fig. 2A and 2B, in order to solve the problem of the existing evaporator of a cabinet air conditioner indoor unit that the heat exchange effect is not ideal, in a first aspect of the present application, an evaporator 4 is provided, where the evaporator 4 includes a coil 41 and fins 42 disposed on the coil 41, and particularly, the center lines of the coil 41 are located in the same plane and are spirally wound.
The coil pipe 41 of the evaporator 4 is arranged on the same plane with the central line and is arranged in a spiral winding mode, so that when the evaporator 4 is arranged in the cabinet air conditioner indoor unit, a refrigerant flows in the coil pipe 41 along the spiral direction, when indoor air flows pass through the evaporator 4, the heat exchange between the evaporator 4 is more uniform, the heat exchange effect is better, and the problem that when the existing evaporator 4 is arranged in an S-shaped mode, the heat exchange effect is good at one end and poor at the other end is solved.
With further reference to fig. 2A and 2B, in a possible embodiment, the evaporator 4 is provided with a plurality of layers of coils 41 along the vertical direction, the inlet and outlet of each layer of coils 41 are respectively connected in parallel, and the center lines of two adjacent layers of coils 41 are in opposite spiral directions. Specifically, referring to fig. 2B, in a preferred embodiment, the evaporator 4 is provided with two layers of coils 41, the central lines of the two layers of coils 41 are spirally arranged along the horizontal plane, and the spiral directions of the two central lines are opposite. Further, the fins 42 are substantially square and provided in plurality, and each fin 42 is circumferentially fitted on the outer wall of the coil 41 in a manner perpendicular to the axial direction of the coil 41. In addition, when the evaporator 4 is applied to a cabinet air conditioner indoor unit, preferably, the end of the coil 41 away from the center of the spiral is an inlet, the end close to the center of the spiral is an outlet, the inlets of the upper and lower layers of the coil 41 converge to a refrigerant inlet pipe through a connecting pipe, and the outlets of the two layers of the coil 41 converge to a refrigerant outlet pipe through a connecting pipe.
In the above preferred embodiment, by providing two layers of coil pipes 41, the heat exchange area of the evaporator 4 is greatly increased, thereby improving the heat exchange effect and the heat exchange efficiency of the evaporator 4. The spiral directions of the two adjacent layers of coil pipes 41 are opposite, so that the flowing directions of the refrigerants between the two adjacent layers of the evaporator 4 are opposite, the heat exchange amount can be balanced when the refrigerants flow through the two layers of coil pipes 41, and the heat exchange uniformity and the heat exchange effect are improved. Set up to the import through the one end of keeping away from the spiral center with coil pipe 41, the one end that is close to the spiral center sets up to the export for when 4 uses of evaporimeter, the refrigerant flows to the center by the skin of spiral gradually, and the outer length of spiral is longer, consequently can increase the heat transfer area of refrigerant and air current, promotes heat exchange efficiency, reaches abundant heat transfer.
Of course, the above preferred embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the scope of the present invention, and those skilled in the art can adjust the above setting mode so that the present application can be applied to more specific application scenarios.
For example, in an alternative embodiment, the number of layers of the coil 41 is not limited, and instead of two layers, three, four or any other layers may be provided in the case of a cabinet air conditioner indoor unit with sufficient space to facilitate heat exchange.
For another example, in another alternative embodiment, the fins 42 may be connected to the coil 41 in any manner other than being sleeved on the outer wall of the coil 41 in a surrounding manner perpendicular to the axial direction of the coil 41, as long as the connection manner is favorable for evaporation and heat dissipation of the refrigerant. For example, the fins 42 may be spirally wound around the outer wall of the coil 41 along the length of the coil 41, so that the air flow can sufficiently contact with the fins 42 when passing through the evaporator 4, thereby achieving an excellent heat exchange effect.
For another example, in another alternative embodiment, the spiral directions of the central lines of the two adjacent layers of coils 41 may also be set to be the same direction, and although the above-mentioned effect of the preferred embodiment cannot be obtained, the heat exchange effect and the heat exchange efficiency of the evaporator 4 can be improved compared with the arrangement in the prior art.
Of course, the above alternative embodiments, and the alternative embodiments and the preferred embodiments can also be used in a cross-matching manner, so that a new embodiment is combined to be suitable for a more specific application scenario.
Example 2
A first embodiment of a cabinet air-conditioning indoor unit according to the present invention will be described with reference to fig. 1 to 6.
Referring first to fig. 1, fig. 1 is a structural view of a cabinet type air conditioner indoor unit according to a first embodiment of the present invention. As shown in fig. 1, the present invention further provides a cabinet air-conditioning indoor unit, which includes a cabinet 1, an air inlet 111 and a first air outlet 123 (see fig. 3A) are disposed on the cabinet 1, a humidifying device 2 is disposed at the first air outlet 123, a sterilization and purification module 7, a water pan 5, an evaporator 4, and an air supply fan 3 are sequentially disposed in the cabinet 1 along an air flowing direction, the water pan 5 is disposed below the evaporator 4, and the sterilization and purification module 7 is disposed at the air inlet 111. The evaporator 4 is the evaporator 4 with a spiral center line as described in embodiment 1, and the structure thereof is not described in detail in this embodiment.
Through setting up above-mentioned evaporimeter 4 in cabinet air conditioner indoor set' S organism 1 for the cabinet air conditioner is when moving, and the refrigerant flows along spiral direction, thereby when the air current flows through evaporimeter 4, the heat transfer is more even, and the heat transfer effect is better, has avoided current evaporimeter 4 to be the good poor problem of one end of heat transfer effect one end when S type range. By providing the humidifying device 2 at the first air outlet 123, the water vapor discharged from the humidifying device 2 can be uniformly mixed with the air flow and delivered to each corner of the room by the air supply function of the first air outlet 123.
With further reference to figure 1, in a possible embodiment the cabinet air-conditioning indoor unit comprises a base 6 and a body 1, the body 1 being rotatably connected to the base 6, for example by a free-rotation connection through a common bearing, or by a rotary connection with damping, such as a rotary damping bearing. After the connection, a gap is formed between the machine body 1 and the base 6, the air inlet 111 is arranged at the bottom of the machine body 1, and a guide inclined plane is further arranged on one side of the base 6 close to the machine body 1. Organism 1 includes cylindrical shell 11 and sets up in the annular air-out structure 12 at cylindrical shell 11 top, and water collector 5, evaporimeter 4 and air supply fan 3 set gradually in cylindrical shell 11 from supreme down, and first air outlet 123 is formed in annular air-out structure 12. The air supply fan 3 adopts a digital turbine motor (or called digital motor or digital motor), the motor has the characteristics of high rotating speed, strong suction force generation and the like, the maximum rotating speed is close to 11 ten thousand revolutions per minute, and the rotating speed is 4-5 times of that of a common fan motor.
Through with organism 1 and 6 swivelling joint of base for the air conditioner can free rotation when the installation, conveniently finds the best installation angle, reduces the installation degree of difficulty, improves the suitability of air conditioner. Through forming the clearance between organism 1 and base 6 to set up air intake 111 in the bottom of organism 1, make the area of air intake 111 bigger, the intake is bigger, is favorable to the circulation on a large scale of indoor air, and the improvement of heat transfer effect and heat exchange efficiency. The base 6 is provided with the direction inclined plane, can carry out initial direction to the air inlet, improves the ride comfort of air inlet. Through adopting digital turbine motor as air supply fan 3 for the wind-force of air conditioner is powerful, and the air output is big, satisfies the demand that the user refrigerates fast and heats.
Referring to fig. 1, 3A and 3B, a specific embodiment of the annular outlet structure will be described. Fig. 3A is a cross-sectional view of a first air outlet manner of the annular air outlet structure according to the present invention; fig. 3B is a cross-sectional view of a second air outlet manner of the annular air outlet structure of the present invention.
As shown in fig. 1, 3A and 3B, the annular air outlet structure 12 includes an inner annular surface 121 and an outer annular surface 122, the outer annular surface 122 is disposed outside the inner annular surface 121 and surrounds the inner annular surface 121 to form an air outlet cavity, a first air outlet 123 is formed at a front end of the outer annular surface 122 (i.e., a right end in fig. 3A) and a front end of the inner annular surface 121 (i.e., a right end in fig. 3A), a second air outlet 124 is formed at a side surface of the outer annular surface 122, and a rear end of the outer annular surface 122 is connected to a rear end of the inner annular surface 121 in a closed manner. The first outlet 123 is configured with a first flap mechanism 125, and the first flap mechanism 125 can selectively open or close the first outlet 123. Similarly, a second blocking mechanism 126 is disposed at the second air outlet 124, and the second blocking mechanism 126 can selectively open or close the second air outlet 124. The bottom end of the outer annular surface 122 is further provided with a vent hole (not shown in the figure), and after the annular air outlet structure 12 is fixedly connected to the cylindrical shell 11, the air outlet cavity is communicated with the cylindrical shell 11 through the vent hole. The humidifying device 2 includes a water tank 21 and an atomizer 22, such as an ultrasonic atomizer or an air compression atomizer, disposed in the water tank 21, the water tank 21 is fixedly connected to the bottom of the inner annular surface 121, and the atomizer 22 can atomize the liquid in the water tank 21 into water mist.
It will be understood by those skilled in the art that although not specifically shown in the drawings of the present embodiment, the first flap mechanism 125 and the second flap mechanism 126 may be implemented in various manners as long as the arrangement is capable of effectively controlling the opening and closing of the first air outlet 123 and the second air outlet 124. For example, the first flap mechanism 125 and/or the second flap mechanism 126 may be implemented by controlling an annular collar with a linear motor, and the linear motor drives the annular collar to move back and forth in the air outlet cavity to implement opening and closing control of the first air outlet 123 and/or the second air outlet 124; or the linear motor can be replaced by a combination of a rotary motor, a gear rack, a chain and the like. For another example, the first flap mechanism 125 and/or the second flap mechanism 126 may control the opening and closing of the second air outlet 124 through electromagnetic absorption, that is, the retainer ring is made of a metal material, an electromagnetic coil is disposed in the air outlet cavity, an elastic element is disposed between the retainer ring and the inner annular surface 121 or the outer annular surface 122, when the electromagnetic coil is powered on, the electromagnetic coil generates magnetic force to attract the retainer ring, and the elastic element stores elastic potential energy, so as to open the first air outlet 123 or the second air outlet 124; when the electromagnetic coil is powered off, the retainer ring returns to the initial position under the action of the elastic piece to close the first air outlet 123 or the second air outlet 124. For another example, one of the first flap mechanism 125 and the second flap mechanism 126 may be omitted, and selective opening of any one of the first air outlet 123 and the second air outlet 124 may be achieved only by controlling movement of the one flap mechanism.
In particular, an air guiding structure is further disposed on the inner annular surface 121 and/or the outer annular surface 122, and the air guiding structure is configured to gradually reduce the air outlet width at the air outlet. For example, the wind guiding structure adopts two arc plates as shown in fig. 3A or 3B, and the arrangement of the two arc plates gradually narrows the outlet widths of the first air outlet 123 and the second air outlet 124, so that when the air flow passes through the air outlet, a venturi effect is generated to accelerate the flow velocity, thereby realizing the spraying effect. When the air is sprayed, negative pressure is generated near the annular air outlet, and the negative pressure can attract air near the annular air outlet to flow together, so that the circulation of indoor air is realized, and the air supply quantity is effectively improved. Of course, the air guiding structure may also be any other arrangement manner as long as the arrangement manner can gradually narrow the air outlet width of the first air outlet 123 and/or the second air outlet 124, and details are not repeated herein.
Set up annular air-out structure 12 through the top at cylindrical shell 11, set up first air outlet 123 and second air outlet 124 on the annular air-out structure 12 to first air outlet 123 and second air outlet 124 respectively dispose the separation blade mechanism, make the air conditioner possess brand-new air outlet structure and two kinds of air-out forms, spray mode and diffusion mode, the user can be based on needs nimble selection air-out mode. The spraying mode can realize the spraying air-out effect, the spraying range is far, and the air outlet quantity is larger; the diffusion mode is that the second air outlet 124 supplies air to two sides, the air supply area is wide, airflow can be formed indoors in an encircling mode, and circulation of indoor air is enhanced. In addition, the arrangement of the annular air outlet enables the air conditioner to be novel in structure, the iterative sealing idea of the traditional cabinet air conditioner product is subverted, and the development and the revolution of the air conditioner are promoted. Through the bottom with water tank 21 fixed connection at interior annular surface 121 for the water smoke behind the atomizer 22 atomizing can be directly sent to indoor each corner with the air current mixture of air outlet exhaust, guarantees the humidification effect.
Referring to fig. 4A and 4B, a specific embodiment of the water pan of the present application will be described. FIG. 4A is a structural diagram of a first embodiment of the water pan of the invention; fig. 4B is a structural view of a water pan according to a second embodiment of the present invention.
As shown in fig. 4A and 4B, the water collector 5 includes a circular plate 51 and an annular plate 52 which are vertically arranged up and down and are communicated with each other through a drainage tube 53. Specifically, in a more preferred embodiment, the circular disk 51 may be disposed above the annular disk 52 in the manner shown in fig. 4A, and there is a certain degree of overlap between the outer edge of the circular disk 51 and the inner edge of the annular disk 52 in the vertical direction. Of course, the circular disk 51 may be disposed below the annular disk 52 in the manner shown in fig. 4B, and there is a certain overlap ratio of the outer edge of the circular disk 51 and the inner edge of the annular disk 52 in the vertical direction.
The water pan 5 adopts a split design that the circular disc 51 and the annular disc 52 are arranged up and down, so that the problem that the water pan 5 cannot be arranged below when the evaporator 4 is horizontally arranged in the application is solved skillfully, and the collection of condensed water is realized on the premise of not influencing air inlet. Of course, the specific form of the above-mentioned water-receiving tray 5 is not restrictive, and any form of modification may fall within the scope of protection of the present application without departing from the upper and lower split design of the present application.
Referring next to fig. 5A and 5B, a description will be given of a specific embodiment of the sterilization and purification module of the present application. Wherein, fig. 5A is a front sectional view of the sterilization and purification module of the present invention; fig. 5B is a top view of the sterilization and purification module of the present invention.
As shown in fig. 5A and 5B, the sterilization and purification module 7 is shaped like a pie and includes a HEPA filter layer 71, a cold catalyst filter layer 72, a negative ion sterilization lamp 73 and an ion converter 74, the cold catalyst filter layer 72 is located at the top of the pie, the HEPA filter layer 71 is located at the bottom of the pie, the ion converter 74 is located at the center of the pie, and the negative ion sterilization lamp 73 is provided with a plurality of rings and surrounds the side of the ion converter 74.
The HEPA filter layer 71 comprises three layers (a primary filter layer, a charge layer and an electrostatic dust collection layer), and the removal efficiency of particles with the diameter of less than 0.3 micron can reach more than 99.97 percent.
The cold catalyst filter layer 72 can perform catalytic reaction at normal temperature, decompose various harmful and odorous gases into harmless and tasteless substances at normal temperature and normal pressure, convert simple physical adsorption into chemical adsorption and decompose while adsorbing, remove harmful gases such as formaldehyde, benzene, xylene, toluene, TVOC and the like, and generate water and carbon dioxide. In the catalytic reaction process, the cold catalyst does not directly participate in the reaction, and the cold catalyst is not changed and lost after the reaction and plays a role for a long time. The cold catalyst is non-toxic, non-corrosive and non-combustible, the reaction product is water and carbon dioxide, no secondary pollution is generated, and the service life of the adsorption material is greatly prolonged.
The ion converter 74 can generate a large amount of negative ions in the electrified state, and researches show that the air contains a proper amount of negative ions, so that the air can efficiently remove dust, sterilize and purify air, and simultaneously can activate oxygen molecules in the air to form oxygen-carrying negative ions, activate air molecules, improve the lung function of a human body, promote metabolism, enhance disease resistance, regulate a central nervous system, and enable the human body to be refreshed and energetic.
The negative ion sterilization spotlight annularly surrounds the side face of the ion converter 74, can irradiate and sterilize the air passing through the sterilization and purification module 7, and can achieve the effects of wide irradiation range and no sterilization dead angle due to the arrangement mode of surrounding the ion converter 74.
It should be noted that, although the above embodiment is described in conjunction with the sterilization and purification module 7 including the HEPA filter layer 71, the cold catalyst filter layer 72, the negative ion sterilization lamp 73 and the ion converter 74, one or more of them may be selected by those skilled in the art for a specific application scenario as the sterilization and purification module 7 after being recombined to be installed in the indoor unit of the cabinet air conditioner, and the combination does not depart from the principle of the present application, and therefore, the present application should fall within the protection scope of the present application.
Finally, referring to fig. 6, the operation principle of the cabinet air-conditioner indoor unit of the present invention is briefly described. Fig. 6 is a schematic diagram illustrating an operation of a cabinet type air conditioner indoor unit according to a first embodiment of the present invention.
As shown in fig. 6, when the cabinet air conditioner indoor unit operates, the digital turbine motor rotates to suck indoor air into the cylindrical shell 11 from the air inlet 111 at the bottom of the cylindrical shell 11, the air is efficiently sterilized and purified by the sterilization and purification module 7, then smoothly flows through the water receiving tray 5 which is arranged in a split manner, and is sent into the air supply cavity by the digital turbine motor after uniformly exchanging heat with the evaporator 4 which is arranged in a double-layer spiral manner. The air entering the air supply cavity is accelerated to be sprayed into the room from the first air outlet 123 or the second air outlet 124, and in the spraying process, the air is mixed with the water mist atomized by the atomizer 22.
It should be noted that although the above embodiments are described with reference to the case where the humidifying device 2 is provided on the cabinet 1, and the sterilization and purification module 7, the water pan 5, the evaporator 4 and the blower fan 3 are provided in the cabinet 1, all of the above features are not essential, and it can be understood by those skilled in the art that the above embodiments may be appropriately omitted to combine with a new embodiment on the premise that the cabinet air conditioner indoor unit can be normally operated. For example, in addition to the above-described embodiments, a new cabinet air conditioner indoor unit may be combined by omitting one or both of the humidifying device 2 and the sterilizing and purifying module 7.
Example 3
A second embodiment of the indoor unit of a cabinet air conditioner according to the present application will be described with reference to fig. 7 to 9C.
First, referring to fig. 7 and 8, the construction of the cabinet air-conditioning indoor unit will be explained. Fig. 7 is a structural view of a cabinet type air conditioner indoor unit according to a second embodiment of the present invention; fig. 8 is a structural view of a fresh air module of the present invention.
As shown in fig. 7 and 8, on the basis of any of the cabinet air-conditioning indoor units of the arrangement forms described in embodiment 2, the cabinet air-conditioning indoor unit is further provided with a fresh air module 8, the fresh air module 8 is arranged below the machine body 1 and connected with the machine body 1, the fresh air module 8 is provided with an air suction port 811 and an air exhaust port 812, the air suction port 811 is communicated with the outside through a pipeline, and the air exhaust port 812 is communicated with the air inlet 111 of the machine body 1.
By arranging the fresh air module 8 on the cabinet air-conditioning indoor unit, outdoor fresh air can be introduced into the cabinet air-conditioning indoor unit during operation, the oxygen content of indoor air is ensured, and the problems of turbidity, poor quality and the like of the indoor air are solved. And can also carry out heat transfer treatment to the new trend after introducing outdoor new trend, reduce the volatility of indoor temperature, improve user experience.
Referring to fig. 7, in a preferred embodiment, the fresh air module 8 is disposed between the machine body 1 and the base 6, and the fresh air module 8 is respectively rotatably connected to the machine body 1 and the base 6, for example, the fresh air module 8 is respectively connected to the machine body 1 and the base 6 through a common bearing for free rotation, or through a rotary connecting member with damping such as a rotary damping bearing. After the connection, a gap is formed between the machine body 1 and the fresh air module 8, the air outlet 812 is arranged at the top of the fresh air module 8, and the air inlet 111 is arranged at the bottom of the machine body 1.
Through forming the clearance between organism 1 and new trend module 8 to set up air intake 111 in the bottom of organism 1, make air intake 111's area bigger, the intake is bigger, is favorable to improving heat transfer effect and heat exchange efficiency. Through setting up air exit 812 at the top of new trend module 8 for the new trend of air exit 812 exhaust can directly get into and carry out the heat transfer in the organism 1, reduces indoor temperature's volatility, improves user experience. Through with new trend module 8 respectively with organism 1 and 6 swivelling joint of base for the air conditioner when installation organism 1 and new trend module 8 homoenergetic free rotation conveniently find the best installation angle, reduce the installation degree of difficulty, improve the suitability of air conditioner.
Referring to fig. 7 and 8, in a preferred embodiment, the fresh air module 8 includes a cylindrical housing 81, and a fresh air fan 82 and a variable speed driving mechanism 83 disposed in the cylindrical housing 81, and the variable speed driving mechanism 83 is connected to the fresh air fan 82 so as to drive the fresh air fan 82 to rotate at variable speeds. Specifically, the variable-speed driving mechanism 83 includes a driving motor 831, an electric fork 833 and a plurality of gear sets 832 with different gear ratios, driving wheels of the gear sets 832 are fixedly connected to an output shaft of the driving motor 831, driven wheels of the gear sets 832 are fixedly connected to a rotating shaft of the fresh air fan 82, and the electric fork 833 is erected at one of the driving wheels, so that meshing of the gear sets 832 is realized by adjusting the extension length of the fork.
The rotating speed of the fresh air fan 82 is adjusted by arranging the variable speed driving mechanism 83 in the fresh air module 8, the fresh air inlet volume can be adjusted, different air speeds of the air supply fan 3 are combined, multiple air supply modes can be realized, and the practicability of the air conditioner is greatly improved.
Of course, instead of using the electric fork 833 to switch between the different gear sets 832, one skilled in the art may use any other method to switch between the gear sets 832 as long as the method can smoothly switch between the gear sets 832. For example, the meshing of the different gear sets 832 can be achieved by two electric push rods respectively pushing the driving gears to move from two directions. Further, the rotation speed of the fresh air fan 82 can be adjusted in other manners, such as by using a servo motor with adjustable rotation speed to drive the fresh air fan 82 to rotate through the gear set 832.
Referring now to fig. 9A-9C, three different fresh air modes will be described. Fig. 9A is a working schematic diagram of a first fresh air mode of an indoor unit of a cabinet air conditioner in a second embodiment of the present invention; FIG. 9B is a schematic diagram illustrating a second air supply mode of the indoor unit of the cabinet air conditioner according to the second embodiment of the present invention; fig. 9C is a schematic diagram of a third fresh air mode of the cabinet air conditioner indoor unit according to the second embodiment of the present invention.
As shown in fig. 9A, in the first fresh air mode, the air supply fan 3 operates normally, the fresh air fan operates at a rotation speed lower than that of the air supply fan 3, at this time, the air entering the machine body 1 is divided into two parts, one part is from the fresh air module 8, and the other part is from the indoor air, and the air supply mode can take account of the circulation of the indoor air and the introduction of the fresh air.
As shown in fig. 9B, in the second new trend mode, air supply fan 3 operates normally, and the new trend fan operates with the rotational speed that is roughly equal to air supply fan 3, and the air current that gets into in organism 1 this moment is outdoor new trend entirely, and this kind of air supply mode can carry out heat exchange treatment to the new trend when introducing the new trend, reduces indoor temperature's fluctuation.
As shown in fig. 9C, in the third fresh air mode, the air supply fan 3 operates normally, the fresh air fan operates at a rotation speed higher than that of the air supply fan 3, at this time, a part of outdoor fresh air enters the machine body 1 to participate in heat exchange, and the other part of the outdoor fresh air is sent into the room from a gap between the machine body 1 and the fresh air module 8.
Those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (6)
1. A cabinet type air-conditioning indoor unit is characterized by comprising a unit body, wherein an air inlet and a first air outlet are formed in the unit body, an air supply fan, an evaporator, a water receiving disc and a sterilization and purification module are arranged in the unit body, the water receiving disc is arranged below the evaporator, and the sterilization and purification module is arranged at the air inlet;
the evaporator comprises a coil and fins arranged on the coil, and the center lines of the coil are positioned in the same horizontal plane and spirally wound;
the machine body comprises a cylindrical shell and an annular air outlet structure arranged at the top of the cylindrical shell, the air supply fan, the evaporator and the water pan are arranged in the cylindrical shell, and the annular air outlet structure is provided with the first air outlet;
the annular air outlet structure comprises an inner annular surface and an outer annular surface, the outer annular surface is sleeved outside the inner annular surface and surrounds the inner annular surface to form an air outlet cavity, the front end of the outer annular surface and the front end of the inner annular surface form the first air outlet, the rear end of the outer annular surface is hermetically connected with the rear end of the inner annular surface, the bottom end of the outer annular surface is further provided with a vent hole, and the air outlet cavity is communicated with the columnar shell through the vent hole;
the sterilization and purification module is in a cake shape and comprises an HEPA filter layer, a cold catalyst filter layer, an anion germicidal lamp and an ion converter, wherein the cold catalyst filter layer is positioned at the top of the cake shape, the HEPA filter layer is positioned at the bottom of the cake shape, the ion converter is positioned at the center of the cake shape, and the anion germicidal lamp is annular and surrounds the side face of the ion converter;
a humidifying device is arranged at the first air outlet and comprises a water tank and an atomizer arranged in the water tank, the water tank is fixedly connected to the bottom of the inner ring surface, and the atomizer can atomize liquid in the water tank into water mist;
the cabinet air-conditioning indoor unit is also provided with a fresh air module which is arranged below the machine body and connected with the machine body, the fresh air module is provided with an air suction opening and an air outlet, the air suction opening is communicated with the outside through a pipeline, the air outlet is communicated with the air inlet,
after the connection, the machine body and a gap is formed between the fresh air modules, the air outlet is arranged at the top of the fresh air modules, and the air inlet is arranged at the bottom of the machine body.
2. The cabinet air-conditioning indoor unit of claim 1, wherein the evaporator comprises a plurality of layers of coil pipes in a vertical direction, and an inlet and an outlet of the plurality of layers of coil pipes are respectively connected in parallel.
3. The cabinet air-conditioning indoor unit of claim 1, wherein the water receiving tray comprises a circular tray and an annular tray, the circular tray and the annular tray are vertically arranged up and down and are communicated with each other through a drainage tube.
4. The cabinet air-conditioning indoor unit of claim 1, wherein a second air outlet is further provided on the outer annular surface, the first air outlet is provided with a first flap mechanism, the second air outlet is provided with a second flap mechanism, the first flap mechanism is configured to close or open the first air outlet when actuated, and the second flap mechanism is configured to close or open the second air outlet when actuated.
5. The cabinet air conditioner indoor unit of claim 1, wherein the supply fan is a digital turbo motor.
6. The cabinet air-conditioning indoor unit of claim 1, further comprising a base, wherein the body is rotatably connected to the base.
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