CN106594869B - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN106594869B CN106594869B CN201611074289.7A CN201611074289A CN106594869B CN 106594869 B CN106594869 B CN 106594869B CN 201611074289 A CN201611074289 A CN 201611074289A CN 106594869 B CN106594869 B CN 106594869B
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- 238000004887 air purification Methods 0.000 claims abstract description 15
- 230000005684 electric field Effects 0.000 claims abstract description 12
- 150000002500 ions Chemical class 0.000 claims description 114
- 229910052751 metal Inorganic materials 0.000 claims description 55
- 239000002184 metal Substances 0.000 claims description 55
- 238000004378 air conditioning Methods 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 12
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical group [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 description 316
- 239000010410 layer Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 238000007664 blowing Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- WYCDUUBJSAUXFS-UHFFFAOYSA-N [Mn].[Ce] Chemical compound [Mn].[Ce] WYCDUUBJSAUXFS-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- MZZUATUOLXMCEY-UHFFFAOYSA-N cobalt manganese Chemical compound [Mn].[Co] MZZUATUOLXMCEY-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
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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
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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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention relates to an indoor unit of an air conditioner, which comprises a shell, a front panel and a rear shell, wherein the rear shell is provided with an air inlet, the front panel is detachably arranged on the front side of the rear shell, and at least one transverse end part of the shell is provided with a lateral air outlet; the heat exchange device is arranged in the shell; each air outlet assembly is matched with one lateral air outlet and comprises a lateral air duct, an air guide channel for guiding air from the heat exchange device to the lateral air outlet is formed inside the lateral air duct, and a forward opening is formed in the front side of the lateral air duct; the ion wind generating device is inserted into the side air duct through the forward opening and is configured to promote air to flow to the lateral air outlet through electric field force; the air purification device is inserted into the lateral air duct through the forward opening, is positioned on the air outlet side of the ion wind generation device, and is used for plugging the forward opening together with the ion wind generation device to remove harmful gas generated during the operation of the ion wind generation device. The air supply range of the indoor unit of the air conditioner is large, the noise is low, and the ion wind generating device and the air purifying device are convenient to disassemble and assemble.
Description
Technical Field
The invention relates to the air conditioning technology, in particular to an air conditioner indoor unit.
Background
Traditional wall-hanging air conditioning indoor set is mostly down the air-out, and this kind of air supply mode can lead to cold wind or hot-blast direct blowing to the human body, is unfavorable for user's comfort level to experience and healthy. The air outlet of the indoor unit of the air conditioner is usually provided with an air deflector so as to adjust the air outlet direction of the air outlet through the up-and-down swinging or the left-and-right swinging of the air deflector, but the air is still difficult to blow to the two transverse sides of the indoor unit, and the requirement of large-range air supply is difficult to realize.
Disclosure of Invention
An object of the present invention is to overcome at least one of the drawbacks of the prior art and to provide an indoor unit of an air conditioner having a wide air supply range and low noise.
Another object of the present invention is to facilitate the disassembly and assembly of the ion wind generating device and the air cleaning device.
The invention further aims to improve the air quantity, the air speed and the air supply efficiency of the ion air generating device.
In order to achieve the above object, the present invention provides an indoor unit of an air conditioner, comprising a casing including a rear casing formed with an air inlet and a front panel detachably mounted on a front side of the rear casing, at least one lateral end of the casing being formed with a lateral air outlet; the heat exchange device is arranged in the shell; and at least one air-out subassembly, every air-out subassembly and a side direction air outlet cooperation include:
the side air duct is internally provided with an air duct channel for guiding air from the heat exchange device to the side air outlet, and the front side of the side air duct is provided with a forward opening;
an ion wind generating device inserted into the side air duct through the forward opening and configured to force air to flow toward the lateral air outlet by an electric field force;
the air purification device is inserted into the lateral air duct through the forward opening, is positioned on the air outlet side of the ion wind generation device, is used for plugging the forward opening together with the ion wind generation device, and is configured to remove harmful gas generated during the operation of the ion wind generation device.
Optionally, the inner wall of the side air duct is formed with a guide groove extending forward and backward, and the outer wall of the ion wind generating device is provided with a guide protrusion extending forward and backward, the guide protrusion being slidably disposed in the guide groove forward and backward.
Optionally, the air purification device is configured to constrain the ion wind generation device from advancing when the air purification device is fixed inside the side air duct; and the air-conditioning indoor unit is also provided with a power-off protection device which is configured to cut off the power supply of the external power supply to the air-conditioning indoor unit when the air purification device is extracted from the inside of the side air duct.
Optionally, the number of the lateral air outlets is two, the lateral air outlets are respectively arranged at two transverse end portions of the casing, and the number of the air outlet assemblies is two; a lower air outlet is formed at the lower part of the rear shell; and the indoor air conditioner also comprises a fan assembly which is configured to promote the air subjected to heat exchange by the heat exchange device to respectively flow to the lower air outlet and the two lateral air outlets.
Optionally, an inner side edge of the vertical bisection plane of the lateral air outlet, which extends in the front-rear direction near the air conditioning indoor unit, is more forward than an outer side edge of the lateral air outlet, which is far away from the vertical bisection plane, so that the lateral air outlet faces the outer side of the casing in the front direction.
Optionally, the fan assembly and the ion wind generating device are configured to be controlled to alternatively start operation, so that the indoor unit of the air conditioner works in a fast cooling/fast heating mode in which the fan assembly drives the air supply only or a silent mode in which the ion wind generating device drives the air supply only; and a movable air deflector is arranged at the lower air outlet and is configured to controllably open the lower air outlet in a quick cooling/quick heating mode and controllably close the lower air outlet in a mute mode.
Optionally, the ion wind generating device comprises at least one discharge module, each discharge module has a metal mesh and a plurality of discharge needles located inside the metal mesh and arranged in an array, wherein a distance L between a needle point of each discharge needle and the metal mesh is set to satisfy: and L is aL1, wherein a is any constant in the range of 0.7-1.3, L1 is the distance between the needle point of the discharge needle and the metal mesh when the wind speed of the ion wind at the wind speed central point of the metal mesh reaches the maximum wind speed Vmax, and the wind speed central point of the metal mesh is the projection point of the needle point of the discharge needle on the metal mesh.
Optionally, the distance R between the tips of two adjacent discharge needles is set such that it satisfies: r is aR1, wherein R1 is the distance between a wind speed measuring point and a wind speed central point, the wind speed of which is b times the maximum wind speed Vmax, and b is any constant in the range of 0.3-0.7.
Optionally, the ion wind generating device includes a plurality of discharging modules arranged in sequence and connected in parallel or in series, each discharging module has a metal mesh and a plurality of discharging needles located inside the metal mesh and arranged in an array; and the discharge needles of two adjacent discharge modules are arranged in a straight-line opposite mode or in a staggered mode.
Optionally, the air purification device comprises a core body provided with a plurality of vent holes, and the surface of the core body and the inner wall of the vent holes are coated with a catalyst for accelerating the decomposition of ozone so as to remove ozone generated when the ion wind generation device operates.
The air conditioner indoor unit can blow air to one transverse side of the shell by arranging the lateral air outlet. Meanwhile, the ion wind generating device makes particles in the air obtain kinetic energy by means of electric field force, so that ion wind is formed. Compared with a rotary air supply assembly (such as a fan), the ion wind generating device has the advantages of pressure loss, low energy consumption, low noise and the like, so that the noise is reduced to a certain extent. The air purification device can remove harmful gas (such as ozone) generated when the ion wind generation device operates. The ion wind generating device and the air purifying device are inserted into the lateral air duct through the front opening of the lateral air duct, and the ion wind generating device and the air purifying device can be placed in or taken out by opening the front panel during disassembly and assembly, so that the operation is very convenient.
Further, when the air cleaning device is fixed inside the side air duct, the ion wind generating device can be restrained so as not to move forward. When the air purification device is detached, after the air purification device is removed in advance, the power-off protection device cuts off the power supply of an external power supply to the air conditioner indoor unit, and then a user can take out the ion wind generation device, so that the detachment process is safer, and electric shock is avoided.
Further, machine in air conditioning is through setting up three air outlets and being used for fan subassembly and two ionic wind generating device to three air outlet air supply to carry out special design to the orientation of three air outlets, can make: the air sent out from the two lateral air outlets blows to the lateral front of the machine shell, and the air sent out from the lower air outlet blows to the lower front of the machine shell. That is, the air sent out from each air outlet can directly reach the normal moving area of the user, thereby forming the effect of air supply from the left, right and lower surfaces, weakening the limit on the installation position of the indoor unit of the air conditioner, increasing the air supply angle of the indoor unit of the air conditioner and enlarging the air supply range.
Furthermore, the two lateral air outlets of the air conditioner indoor unit of the invention face to the front of the outer side of the machine shell. Therefore, the three air outlets of the indoor unit of the air conditioner can form an encircling air supply effect, the air supply range of the indoor unit of the air conditioner is further expanded, cold air or hot air is prevented from being directly blown to a human body, the uniformity of indoor temperature is improved, the comfort level of the indoor unit of the air conditioner is further improved, and the use experience of a user is better.
Furthermore, the movable air deflector is arranged at the lower air outlet, and the fan assembly and the two ion wind generating devices are controlled, so that the air-conditioning indoor unit at least has two working modes of quick cooling/quick heating and silencing, thereby simultaneously meeting multiple use requirements of different users or the same user under different conditions and improving the use experience of the user.
Furthermore, the invention can ensure that the ion wind generating device can generate uniform ion wind with larger wind quantity by reasonably designing the spatial position relationship between the discharge needles of the ion wind generating device and the metal net and reasonably distributing the position relationship among a plurality of discharge needles, thereby improving the wind supply speed, the wind supply quantity and the wind supply efficiency of the ion wind generating device.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic front view of an air conditioning indoor unit according to an embodiment of the present invention;
fig. 3 is a schematic bottom view of an air conditioning indoor unit according to an embodiment of the present invention;
fig. 4 is a schematic structural exploded view of an air conditioning indoor unit according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the air outlet assembly part in fig. 4;
FIG. 6 is an assembled view of the air outlet assembly shown in FIG. 5;
FIG. 7 is a schematic cross-sectional view taken along section line A-A in FIG. 2;
FIG. 8 is a schematic exploded view of a discharge module of the ion wind generating device according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional view of a discharge module according to an embodiment of the present invention.
Detailed Description
An embodiment of the present invention provides an indoor unit of an air conditioner, where fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention, fig. 2 is a schematic front view of an indoor unit of an air conditioner according to an embodiment of the present invention, fig. 3 is a schematic bottom view of an indoor unit of an air conditioner according to an embodiment of the present invention, fig. 4 is a schematic structural exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention, fig. 5 is a schematic structural view of a portion of an air outlet assembly in fig. 4, and fig. 6 is an assembly view of an air outlet assembly shown in fig. 5. Referring to fig. 1 to 6, an air conditioning indoor unit 1 according to an embodiment of the present invention includes a casing 10, a heat exchanging device 20 disposed in the casing 10, and at least one air outlet assembly. The cabinet 10 includes a rear case 14 formed with an intake vent 120 and a front panel 13 detachably mounted to a front side of the rear case 14. The rear case 14 serves to constitute a rear portion of the cabinet 10, and the front panel 13 serves to constitute a front portion of the cabinet 10. At least one lateral end of the cabinet 10 is formed with a lateral air outlet 112 (lateral end between the rear case 14 and the front panel 13). Each of the air outlet assemblies is adapted to cooperate with one of the lateral air outlets 112 to guide the air after heat exchange by the heat exchanging device 20 to the lateral air outlet 112, so as to blow the air to one lateral side of the casing 10.
Specifically, each air outlet assembly includes a side air duct 151, an ion wind generating device 40, and an air purifying device 50. The side air duct 151 is located in a space defined between the rear casing 14 and the front panel 13, and an air duct channel 61 for guiding air from the heat exchanging device 20 to the side air outlet 112 is formed inside. The lateral air outlet 112 is formed at the outer port of the lateral air duct 151.
As shown in fig. 5, a forward opening 151d is opened on the front side of the side air duct 151, and the ion wind generating device 40 is inserted into the side air duct 151 through the forward opening 151 d. The ion wind generating device 40 can promote the air to flow towards the lateral wind outlet 112 by the electric field force. The air cleaning device 50 is also inserted into the side air duct 151 through the forward opening 151d, which is located on the air outlet side of the ion wind generating device 40, and blocks the forward opening 151d together with the ion wind generating device 40 to prevent air leakage. The air cleaning device 50 is used to remove harmful gas (mainly ozone) generated when the ion wind generating device 40 is operated. The ion wind generating device 40 is disposed in the side air duct 151, and the lateral width of the air conditioning indoor unit 1 can be reduced to save space. In addition, when the ion wind generating device 40 and the air cleaning device 50 are detached, the user can put or take the ion wind generating device and the air cleaning device into or out of the front panel 13, and the operation is very convenient.
As shown in fig. 5, the inner wall of the side air duct 151 may be formed with guide grooves 151b extending in the front-rear direction (preferably, the upper and lower walls of the side air duct 151 are provided with the guide grooves 151 b). The outer wall of the ion wind generating device 40 is provided with a guide projection 43 extending forward and backward, and the guide projection 43 is slidably provided forward and backward in the guide groove 151b so as to pull or push the ion wind generating device 40 forward or backward. The ion wind generating device 40 can be fixed to the side air duct 151 by a mounting hole 42 provided in the side air duct, a screw hole 151c provided in the side air duct 151, and a screw (not shown).
Preferably, the air cleaning device 50 is configured to restrain the displacement of the ion wind generating device 40 so as not to move forward when it is fixed inside the side air duct 151. For example, the air purifying device 50 can be fixed to the side air duct 151 by engaging the latch 52 with the latch 151a of the side air duct 151. The front of the air purification device 50 is provided with a limiting part 51 protruding outwards, and an opening is formed on the limiting part and is buckled on the pin 41 arranged on the front surface of the ion wind generating device 40. In this way, the air cleaning device 50 can restrain the ion wind generating device 40 by the limiting portion 51, so that the ion wind generating device cannot move forward. The indoor air conditioning unit 1 may further include a power cutoff protection device (not shown) configured to cut off power supply from the external power supply to the indoor air conditioning unit 1 when the air cleaning device 50 is removed from the inside of the side air duct 151, so that there is no risk of electric shock when the ion wind generating device 40 is subsequently removed. Of course, when the air cleaning device 50 is normally installed inside the side air duct interior 151, the power cutoff protection device does not operate, and the air conditioning indoor unit 1 supplies power normally.
The power cut-off protection device may be a mechanical device or a device that controls whether the controller is activated by sensing the position of the air purification apparatus 50 through a sensor, which is very common in the art and will not be described in detail herein.
As shown in fig. 5, the air cleaning device 50 includes a wick 5011 provided with a plurality of vent holes, and the surface of the wick 5011 and the inner walls of the vent holes are coated with a catalyst for accelerating the decomposition of ozone. The catalyst may comprise a manganese cerium or manganese iron or manganese cobalt composite metal oxide. In addition, the catalyst can be coated on the surface of the core 5011 and the inner wall of the vent hole in powder form to increase the contact area with the air flowing through and accelerate the decomposition speed of ozone.
In some embodiments, the number of the lateral air outlets 112 is two, and the two lateral air outlets 112 are respectively disposed at two transverse ends of the casing 10, and in cooperation therewith, the number of the air outlet assemblies is also two. A lower outlet 111 is formed in the lower portion of the rear case 14. In addition, the indoor unit 1 of the air conditioner further includes a fan assembly 30 for causing the air after heat exchange by the heat exchange device 20 to flow to the lower air outlet 111 and the two lateral air outlets 112, respectively.
The design of the orientation of each air outlet can ensure that: the wind sent out through the lateral wind outlet 112 is blown to the lateral front of the cabinet 10, and the wind sent out through the lower wind outlet 111 is blown to the lower front of the cabinet 10. That is to say, the air sent out from each air outlet can directly reach the normal moving area of the user, thereby forming the effect of air supply from the left, right and lower surfaces, weakening the limitation on the installation position of the indoor unit 1 of the air conditioner, increasing the air supply angle of the indoor unit 1 of the air conditioner, enlarging the air supply range and improving the operation efficiency.
Preferably, the air inlet 120 may be disposed at the top of the rear housing 14, and the fan assembly 30 may be disposed at the front side of the heat exchanging device 20, so that the thickness of the indoor unit 1 in the front-rear direction may be reduced, thereby reducing the volume of the indoor unit 1 during standing and working operations, meeting the high requirements of users on the installation space and the usage space of the indoor unit 1, and improving the overall appearance of the indoor unit 1.
The heat exchanging device 20 is configured to exchange heat with air flowing therethrough to change the temperature of the air flowing therethrough into cold air or hot air. The fan assembly 30 is configured to promote the air heat exchanged by the heat exchanging device 20 to flow towards the lower air outlet 111 and the two lateral air outlets 112 respectively. The two ion wind generating devices 40 are located at both lateral sides of the fan assembly 30, so that the thickness of the air conditioning indoor unit 1 in the front-rear direction can be reduced. More importantly, the fan assembly 30 and the two ion wind generating devices 40 supply air to the three air outlets, so that on one hand, the whole air supply quantity and the air supply speed of the indoor unit 1 of the air conditioner are ensured, and on the other hand, the two ion wind generating devices 40 make particles in the air obtain kinetic energy by virtue of electric field force, and ion wind is formed. Compared with a rotary air supply component (such as a fan), the ion wind generating device 40 has the advantages of pressure loss, low energy consumption, low noise and the like. Compared with the condition that the fan is used for supplying air, the invention reduces the whole noise of the air conditioner indoor unit 1 during operation to a certain extent. Meanwhile, the ion wind generated by the ion wind generating device 40 is not generated by pressure, but is a soft wind close to nature generated by electric field force, so that the comfort level of the air-conditioning indoor unit 1 can be improved. In addition, since the ion wind is formed by a high-voltage electric field, it has the function of sterilizing and decomposing harmful gas pollutants with high efficiency.
The air-conditioning indoor unit 1 of the invention is characterized in that the structures and the positions of the air inlet, the air outlet, the heat exchange device, the fan assembly and the two ion wind generating devices 40 are specially designed and reasonably arranged, and the ion wind blowing technology staying on a theoretical level for a long time is originally improved, so that the ion wind blowing technology is perfectly combined with the fan type blowing components, and the technical problems of small blowing range, large noise, poor experience effect, poor appearance effect and the like in the prior art are solved by a simple structure. Meanwhile, the technical scheme of the invention has better realizability and economic value, is an innovation of the air supply form of the air conditioner and has better popularization value.
In some embodiments of the present invention, referring to fig. 2, an inner side edge 1121 of the lateral air outlet 112, which is close to a vertical bisecting plane S extending in the front-rear direction of the air conditioning indoor unit 1, is more forward than an outer side edge 1122 of the lateral air outlet 112, which is far from the vertical bisecting plane S, so that the lateral air outlet 112 faces the outside front of the casing 10. That is, the inner side edge 1121 and the outer side edge 1122 of the lateral air outlet 112 are located at different positions in the lateral direction and the front-rear direction, the inner side edge 1121 thereof is closer to the vertically bisected plane of the air conditioning indoor unit 1 extending in the front-rear direction than the outer side edge 1122 thereof, and the inner side edge 1121 thereof is located laterally forward of the outer side edge 1122 thereof, so that the lateral air outlet 112 is directed diagonally outward toward the front of the cabinet. Further, the two lateral air outlets 112 may be symmetrically disposed.
Therefore, the three air outlets of the indoor air conditioner 1 can supply air towards the front of the transverse outer side of the casing 10 and the front of the lower part of the casing respectively to form an encircling air supply effect, so that the air supply range of the indoor air conditioner 1 is further expanded, cold air or hot air is prevented from being directly blown to a human body, the uniformity of indoor temperature is improved, the comfort level of the indoor air conditioner 1 is further improved, and the use experience of a user is better.
In some embodiments of the present invention, referring to fig. 4, the wind guiding channel 61 defined by the side wind guiding cylinder 151 is cylindrical and extends along a circular arc-shaped curve from inside to outside. It will be understood by those skilled in the art that the terms "inner" and "outer" as used herein refer to both the interior and exterior of the enclosure 10. The circle center of the circle of the circular arc curve is positioned at the front side of the circular arc curve, namely the circular arc curve has a shape which is convexly curved backwards. Therefore, airflow can flow more smoothly, airflow resistance is further reduced, and the air speed and the air volume of the lateral air outlet 112 are improved; and the two lateral air outlets 112 and the lower air outlet 111 can more easily form a looping air supply effect, so as to ensure that the indoor unit 1 of the air conditioner has the best comfort level.
It is emphasized that the outer ports of the two side air ducts 151 mean their respective ports exposed to the outside of the casing 10, and accordingly, each side air duct 151 further has an inner port hidden inside the casing 10 and connected to a lateral air outlet of the fan assembly 20 (i.e., a volute air outlet of a centrifugal fan described later). Specifically, the side air duct 151 may be fixed with the fan assembly 30 at its inner port by screwing, clipping, or other suitable means.
Further, the rear case 14 may have a body 141 extending vertically, and upper and lower edge portions 142 and 143 extending forward from upper and lower sides of the body 141. The body 141 may be provided with a hanging hole for hanging the indoor unit 1 of an air conditioner on a wall. The number of the air inlets 120 may be plural, and the plural air inlets 120 are relatively uniformly distributed on the upper edge portion 142 of the rear housing 14 to ensure the uniformity of the inlet air. The lower outlet 111 may be formed at the lower edge 143 of the rear case 14 in a bar shape extending in the lateral direction.
In some embodiments of the present invention, the front edges of the outside ports of the two side air ducts 151 are respectively matched with the edge shapes of the two lateral sides of the front panel 13, and the other edges of the outside ports of the two side air ducts 151 except the front edges are respectively matched with the edge shapes of the two lateral sides of the rear housing 14. Therefore, the structure of the air-conditioning indoor unit 1 can be simplified, and the appearance consistency and the integral effect of the air-conditioning indoor unit 1 can be enhanced.
In some embodiments of the present invention, the fan assembly 30 and the ion wind generating device 40 are configured to be selectively activated to operate the indoor unit 1 in a fast cooling/fast heating mode in which the fan assembly 30 drives the air supply only or in a silent mode in which the ion wind generating device 40 drives the air supply only. The lower outlet 111 is provided with a movable air deflector 114, and the movable air deflector 114 is configured to controllably open the lower outlet 111 in a rapid cooling/rapid heating mode and controllably close the lower outlet 111 in a silent mode. That is to say, the controllable movable air deflector 114 is arranged at the lower air outlet 111, and the start and stop of the fan assembly 30 and the ion wind generating device 40 are controlled, so that the air-conditioning indoor unit 1 at least has two working modes of rapid cooling/rapid heating and mute, thereby simultaneously meeting multiple use requirements of different users or the same user under different conditions and improving the use experience of the user. Meanwhile, the controllable movable air deflector 114 can prevent an undesired air path from being formed inside the casing 10 or prevent air flow from leaking outside, thereby ensuring that a certain pressure can be formed inside the casing 10 in both modes (from the silent mode), and further improving the air speed and the air volume of the corresponding air outlet.
Specifically, in the rapid cooling/rapid heating mode, the two ion wind generating devices 40 are not started to operate, and the movable air deflector 114 is controlled to open the lower air outlet 111. The air conditioning indoor unit 1 simultaneously drives the air supply to the lower outlet 111 and the two side outlets 112 only by the fan assembly 30. Since the fan assembly 30 has a relatively large air supply amount and a relatively high cooling efficiency or heating efficiency, the indoor temperature can be rapidly relieved. This mode is suitable for the case where the air conditioning indoor unit 1 starts to operate or other cases where rapid cooling or heating is required. In the silent mode, the fan assembly 30 is not started to operate, and the movable air deflector 114 is controlled to close the lower air outlet 111. The indoor unit 1 of the air conditioner drives the air supply to the two side air outlets 112 only through the two ion wind generating devices 40. On one hand, air is supplied through the two lateral air outlets 112, so that the air supply range is expanded, and the air supply quantity is increased; on the other hand, the working noise of the ion wind generating device 40 during operation is close to or even lower than the indoor background noise, the whole noise of the indoor unit 1 of the air conditioner during operation is greatly reduced, and the industrial problem of ultra-low silence air supply is solved. The mode is suitable for use environments such as medical treatment and child monitoring, and the situation that the indoor unit 1 of the air conditioner runs for a period of time.
Of course, in other embodiments of the present invention, the indoor unit 1 may have a high-speed air supply mode in addition to the rapid cooling/rapid heating mode and the mute mode. In this mode, the fan assembly 30 and the two ion wind generating devices 40 can be controlled to start operating simultaneously to supply wind to the three wind outlets simultaneously. The mode is suitable for the situations of more rapid cooling or rapid heating and other situations with higher requirements on wind speed.
In some embodiments of the present invention, referring to fig. 3 and 4, the fan assembly 30 comprises two centrifugal fans, namely a first centrifugal fan 31 and a second centrifugal fan 32, arranged side by side in the transverse direction. The first centrifugal fan 31 and the second centrifugal fan 32 may be forward-direction centrifugal fans or backward-direction centrifugal fans. The heat exchange device 20 is a flat plate evaporator to improve heat exchange efficiency and reduce the thickness of the indoor unit 1 in the front-rear direction, thereby reducing the volume of the indoor unit 1. The width of the flat plate evaporator in the transverse direction is approximately equal to the sum of the widths of the two centrifugal fans in the transverse direction, so that the air subjected to heat exchange by the flat plate evaporator flows into the air channels of the two centrifugal fans.
Further, a fixing bracket 80 for fixing the heat exchanging device 20 may be disposed between the rear housing 14 and the heat exchanging device 20, and the heat exchanging device 20 and the fixing bracket 80, and the fixing bracket 80 and the rear housing 14 may be fixed together by screw connection, clamping connection, or other suitable connection methods. A motor fixing plate 90 is further arranged between the fan assembly 30 and the front panel 13, and a motor for driving the centrifugal impellers of the two centrifugal fans to rotate is fixed on the motor fixing plate 90.
Fig. 7 is a schematic cross-sectional view taken along a sectional line a-a in fig. 2. Referring to fig. 7, in some embodiments of the present invention, the fan assembly 30 includes a bottom air guiding channel 33 for guiding air to flow to the lower air outlet 111, and the bottom air guiding channel 33 extends from top to bottom forward to a bent portion and then vertically downward to the lower air outlet 111, so that the lower air outlet 111 blows air in a range of 0 to 85 ° below a horizontal plane where the lower air outlet is located. Specifically, after being guided by the bottom air guide passage 33, the lower air blowing port 111 can blow air in a region between a broken line m and a broken line n in fig. 7, where a curved arrow between the broken line m and the broken line n is a substantial flow direction of the air flow. Therefore, when the air-conditioning indoor unit 1 heats, the lower air outlet 111 can blow down hot air which forms an angle of 85 degrees with the horizontal plane, thereby overcoming the technical problems that the hot air is easy to rise and is difficult to blow down.
Further, referring to fig. 4, the first centrifugal fan 31 and the second centrifugal fan 32 have their respective volutes and centrifugal impellers accommodated in the volutes, respectively. An air inlet is formed in one side, facing the heat exchange device 20, of the volute, a fan lining plate 34 is arranged on one side, facing away from the heat exchange device 20, of the volute, and the fan lining plate 34 and the volutes of the two centrifugal fans jointly form an air channel of the fan assembly 30. The air outlet of the volute 311 of the first centrifugal fan 31 and the air outlet of the volute 321 of the second centrifugal fan 32 face away from each other toward the two lateral sides of the casing 10. Specifically, the air outlet of the volute 311 of the first centrifugal fan 31 faces the left side of the casing 10, i.e. the side where one lateral air outlet 112 is located, and the air outlet of the volute 321 of the second centrifugal fan 32 faces the right side of the casing 10, i.e. the side where the other lateral air outlet 112 is located. The volute 311 of the first centrifugal fan 31 and the volute 321 of the second centrifugal fan 32 are independent from each other, so that the airflows blowing to the two lateral air outlets 112 are independent from each other and do not affect each other, thereby avoiding airflow disorder.
When the air conditioning indoor unit 1 is driven by the fan assembly 30 to supply air, under the driving of the centrifugal impeller, ambient air flows to the heat exchanging device 20 through the air inlet 120, cold air or hot air after heat exchange by the heat exchanging device 20 enters the air duct of the fan assembly 30 through the volute air inlets of the first centrifugal fan 31 and the second centrifugal fan 32, and finally flows to the two lateral air outlets 112 and the lower air outlet 111 through the volute 311 air outlet of the first centrifugal fan 31, the volute 321 air outlet of the second centrifugal fan 32 and the bottom air guiding channel 33, so that the air outlet effect of surrounding the left, right and lower three sides is achieved.
When the air conditioning indoor unit 1 only has two ion wind generating devices 40 to drive the air supply, under the action of the electric field force, the ambient air flows to the heat exchanging device 20 through the air inlet 120, the cold air or the hot air after heat exchange by the heat exchanging device 20 enters the air duct of the fan assembly 30 through the volute air inlets of the first centrifugal fan 31 and the second centrifugal fan 32, and finally flows to the two lateral air outlets 112 through the volute 311 air outlet of the first centrifugal fan 31 and the volute 321 air outlet of the second centrifugal fan 32, so that the left and right two-side encircling air supply effect is realized. At this time, the centrifugal impeller of the fan assembly 30 does not generate any driving action.
Therefore, the two working modes of independently driving the air supply by the fan assembly 30 and independently driving the air supply by the two ion air generating devices 40 can share the air duct of the fan assembly 30, so that the structure of the indoor unit 1 of the air conditioner is simplified, and the volume of the indoor unit is reduced.
The two ion wind generating devices 40 are respectively arranged at the air outlet of the volute 311 of the first centrifugal fan 31 and the air outlet of the volute 321 of the second centrifugal fan 32, so that the thickness of the indoor unit 1 of the air conditioner in the front-back direction is further reduced, the appearance effect of the indoor unit 1 of the air conditioner is optimized, and the requirement of a user on a small installation space of the indoor unit 1 of the air conditioner is met.
Fig. 8 is a schematic exploded view of a discharge module of the ion wind generating device 40 according to an embodiment of the present invention. In some embodiments of the present invention, referring to fig. 8, each ion wind generating device 40 comprises at least one discharge module 410. Each discharge module 410 has a metal mesh 411 and a plurality of discharge needles 412 located inside the metal mesh 411 and arranged in an array. The needle point of the discharge needle 412 is close to the metal net 411, positive and negative high voltage electrodes are respectively applied on the discharge needle 412 and the metal net 411, the discharge needle 412 is equivalent to a radiation electrode for generating corona discharge, and the metal net 411 is equivalent to a receiving electrode.
It should be emphasized that the inner side referred to herein means a side of the metal net 411 toward the geometric center of the cabinet 10, and the outer side opposite to the inner side means a side of the metal net 411 toward the outside of the cabinet 10. That is, the flow direction of the ion wind generated by each discharge module 410 is from the inside to the outside, and the arrangement direction of the plurality of discharge needles 412 and the metal mesh 411 is the same as the flow direction of the ion wind.
Fig. 9 is a schematic cross-sectional view of a discharge module according to an embodiment of the present invention. Referring to fig. 9, in order to increase the blowing speed of the ion wind generating apparatus 40, the designer of the present invention has performed a number of wind speed measurement experiments, and as a result of the experiments, it was found that the distance L between the tip of each discharge needle 412 and the metal mesh 411 is set to satisfy L ═ aL1(wherein a is any constant in the range of 0.7-1.3, i.e. a can be 0.7, 0.8, 0.9, 1.0, 1.1, 1.2 or 1.3, L1So that the wind speed of the ion wind at the wind speed center point of the metal mesh 411 reaches the maximum wind speed VmaxThe distance between the needle point of the discharge needle 412 and the metal mesh 411, and the wind speed center point of the metal mesh 411 is the projection point of the needle point of the discharge needle 412 on the metal mesh 411), on the one hand, the wind speed of the ion wind generated by the two ion wind generating devices 40 can better meet the normal use requirement of a user, and on the other hand, the discharge needle 412 can be partially overlapped in the area where the metal mesh 411 generates effective ion wind to achieve the projection effect of the shadowless lamp, so that the ion wind distribution of the metal mesh 411 is more uniform.
In order to increase the amount of air supplied by the ion wind generating device 40, the designer of the present invention has performed a large number of experiments for measuring the projection radius of the tips, and as a result of the experiments, it has been found that the distance R between the tips of two adjacent discharge needles 412 is set to satisfy the requirement of R ═ aR1(wherein, R1For the wind speed to reach the maximum wind speed VmaxB times the wind speedThe distance between the measuring point and the wind speed center point, b is any constant within the range of 0.3-0.7, namely b can be 0.3, 0.4, 0.5, 0.6 or 0.7, and the value of a is the same as above), the air volume of the ion wind generated by the two ion wind generating devices 40 can better meet the normal use requirement of a user. Meanwhile, after the distance between two adjacent discharge needles 412 is specially designed, the mutual offset of wind speeds caused by too close distance between two adjacent discharge needles 412 can be avoided, and the reduction of wind volume and the uneven distribution of wind volume caused by too far distance between two discharge needles 412 can be avoided.
Therefore, according to the invention, by reasonably designing the spatial position relationship between the discharge needles 412 and the metal mesh 411 and reasonably arranging the position relationship between the plurality of discharge needles 412, the ion wind generating device 40 can generate the ion wind with uniform and large wind quantity, so that the wind supply speed, the wind supply quantity and the wind supply efficiency of the ion wind generating device 40 are improved.
In some embodiments of the present invention, the ion wind generating device 40 includes a plurality of discharge modules 410 arranged in sequence and connected in parallel or in series, and each discharge module 410 has a metal mesh 411 and a plurality of discharge needles 412 located inside the metal mesh 411 and arranged in an array. Therefore, a corona discharge phenomenon is generated between the discharge needle 412 in each discharge module 410 and the corresponding metal mesh 411, so that the ion wind can be accelerated for multiple times through the plurality of discharge modules 410, the superposition of the wind speed can be realized, and the higher wind outlet speed can be obtained. And negative pressure can be formed under the action of high-speed air outlet, so that the air inlet volume is further increased, and the air supply speed, the air supply volume and the air supply efficiency of the ion air generating device 40 are improved.
In some embodiments of the present invention, the discharge needles 412 of two adjacent discharge modules 410 are arranged in a straight pair, that is, the projections of the discharge needles 412 of each two adjacent discharge modules in the air outlet plane of the ion wind generating device 40 coincide. Therefore, a larger and stronger electric field is generated in the region corresponding to the tip of each discharge needle 412, so that an ion wind with a higher local wind speed is generated in the region, and the ion wind blows on the user body and has a stronger wind feeling. In other words, this arrangement can obtain a local large wind speed near each wind speed center point of the metal mesh 411, so as to improve the wind feeling when the air-conditioning indoor unit 1 is driven by the ion wind generating device 40 alone to supply wind.
In some alternative embodiments of the present invention, the discharge needles 412 of two adjacent discharge modules 410 are arranged in a staggered manner. One of the dislocation arrangement modes is as follows: the discharge needles 412 of every two adjacent discharge modules are arranged in a staggered manner in a direction perpendicular to the air outlet surface of the ion wind generating device 40, and the projections of the corresponding discharge needles 412 of every two adjacent discharge modules in the air outlet surface of the ion wind generating device 40 are on the same horizontal line (i.e., the discharge needles 412 of every two adjacent discharge modules are arranged in a staggered manner, but the heights of the corresponding discharge needles 412 are the same). Therefore, uniform soft wind can be generated in a plurality of linear regions in the horizontal direction, and the superposition of a plurality of discharge modules can form a larger and stronger electric field in the linear regions, so that the wind speed of the ion wind in the linear regions is relatively higher. Further, the projections of each group of three adjacent discharge needles formed by the discharge needles 412 of the plurality of discharge modules in the horizontal plane all form an isosceles triangle, so as to ensure that the ion wind generated by the ion wind generating device 40 is distributed uniformly.
Another staggered arrangement mode is as follows: the discharge needles 412 of every two adjacent discharge modules are arranged in a staggered manner in the direction perpendicular to the air outlet surface of the ion wind generating device 40 and in the vertical direction. Therefore, the ion wind generated by the ion wind generating device 40 can be uniformly distributed in the wind outlet surface, so that soft, uniform and large-wind-volume air supply can be realized under the conditions of low voltage, low electric field intensity and low power. That is, the discharge needles 412 of each two adjacent discharge modules 410 are staggered from each other, so that the gaps between the discharge needles 412 of each discharge module 410 can be filled. Accordingly, relatively uniform ion wind can be formed in the entire area of the expanded metal 411, and the entire amount of wind can be increased. Further, each group of three adjacent discharge needle projections formed by the discharge needles 412 of the plurality of discharge modules in the air outlet surface of the ion wind generating device 40 all form an equilateral triangle, so as to ensure that the ion wind generated by the ion wind generating device 40 is distributed more uniformly.
In some embodiments of the present invention, referring to fig. 8, each discharge module 410 further includes a housing 416, a conductive metal strip 413 having a plurality of conductive metal strips 414, and at least one PCB multi-layer board 415 electrically connected to the conductive metal strip 413 and perpendicular to the conductive metal strip 413. The PCB multi-layer board 415 has front and rear insulating protective layers and a conductive layer between the two insulating protective layers, and the conductive layer is electrically connected to the conductive metal sheet 414. The bottom wall of the housing 416 is opened with a buckle 4161, and the metal conductive sheet 414 of the metal conductive strip 413 is buckled in the buckle 4161 of the housing 416.
The number of PCB multi-layer boards 415 may be one, which is substantially rectangular; or the number of PCB multi-layer boards 415 may be plural, each PCB multi-layer board 415 having an elongated strip shape extending perpendicular to the metal conductive strips 413.
The plurality of discharge needles 412 are uniformly distributed on the outer side of the at least one PCB multi-layer board 415 facing the metal mesh 411. Specifically, each PCB multi-layer board 415 is provided with a plurality of pin holes on the outer surface thereof for mounting the discharge needles 412. The aperture of the pinhole is slightly smaller than the diameter of the discharge needle 412 so that the pinhole is in interference fit with the discharge needle 412. The filling layer filled by the welding process is arranged around the pin hole inserted into the discharge needle 412, that is, the filling layer filled by the welding process is arranged around the discharge needle 412 of the pin hole, so as to ensure that the discharge needle 412 is well electrically connected with the conductive layer in the PCB multi-layer board 415, and simultaneously, the conductive layer can be strictly prevented from being exposed to the outside, thereby avoiding the phenomena of random discharge or sparking.
It should be understood by those skilled in the art that, unless otherwise specified, terms used to indicate orientation or positional relationship in the embodiments of the present invention such as "upper", "lower", "inner", "outer", "lateral", "front", "rear", and the like are based on the actual usage state of the air conditioning indoor unit 1, and these terms are only used to facilitate description and understanding of the technical solutions of the present invention, and do not indicate or imply that the devices or components referred to must have specific orientations, and therefore, should not be construed as limiting the present invention.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (9)
1. An indoor unit of an air conditioner, comprising:
the air conditioner comprises a shell and a fan, wherein the shell comprises a rear shell and a front panel which is detachably arranged on the front side of the rear shell, an air inlet is formed in the top of the rear shell, a lateral air outlet is formed in at least one transverse end of the shell, and a lower air outlet is formed in the lower part of the rear shell;
the heat exchange device is arranged in the shell;
at least one air-out subassembly, every the air-out subassembly with one the cooperation of side direction air outlet, it includes:
the side air duct is internally provided with an air guide channel for guiding air from the heat exchange device to the side air outlet, and the front side of the side air duct is provided with a forward opening;
an ion wind generating device inserted into the side air duct through the forward opening and configured to promote air to flow toward the lateral air outlet by an electric field force;
the air purification device is inserted into the lateral air duct through the forward opening, is positioned on the air outlet side of the ion wind generation device, plugs the forward opening together with the ion wind generation device, and is configured to remove harmful gas generated during the operation of the ion wind generation device; and
at least one centrifugal fan arranged at the front side of the heat exchange device, wherein each centrifugal fan is matched with one air outlet assembly, each ion air generating device is arranged at one transverse side of one centrifugal fan, and the centrifugal fans are configured to promote air subjected to heat exchange through the heat exchange device to flow to the lower air outlet and the lateral air outlet respectively;
the ion wind generating device comprises a plurality of discharging modules which are sequentially arranged and connected in parallel or in series, each discharging module is provided with a metal net and a plurality of discharging needles which are positioned on the inner side of the metal net and arranged in an array, and the discharging needles of two adjacent discharging modules are arranged in a staggered manner;
each discharge module further comprises a shell, a metal conductive bar with a plurality of metal conductive strips and at least one PCB multilayer board which is electrically connected with the metal conductive bar and perpendicular to the metal conductive bar, wherein the PCB multilayer board is provided with a front insulating layer, a rear insulating layer and a conductive layer positioned between the two insulating layers, the conductive layer is electrically connected with the metal conductive strips, and the metal conductive bars are clamped with the bottom wall of the shell; the outer side surface of each PCB multilayer board is provided with a plurality of pinholes for installing the discharge needles, the aperture of each pinhole is smaller than the diameter of each discharge needle, and the periphery of each pinhole surrounding each discharge needle is provided with a filling layer filled through a welding process.
2. The indoor unit of air conditioner according to claim 1, wherein
The inner wall of the side air duct is provided with a guide groove extending forwards and backwards, the outer wall of the ion wind generating device is provided with a guide bulge extending forwards and backwards, and the guide bulge can be arranged in the guide groove in a forward and backward sliding manner.
3. The indoor unit of air conditioner according to claim 1, wherein
The air purification device is configured to restrain the ion wind generation device from moving forwards when the air purification device is fixed inside the side air duct; and is
The air-conditioning indoor unit is also provided with a power-off protection device which is configured to cut off the power supply of an external power supply to the air-conditioning indoor unit when the air purification device is drawn out from the inside of the side air duct.
4. The indoor unit of air conditioner according to claim 1, wherein
The lateral air outlets are two and are respectively arranged at two transverse end parts of the shell, and the number of the air outlet assemblies is two.
5. The indoor unit of air conditioner according to claim 4, wherein
The inner side edge of the vertical bisection plane, which is close to the air conditioner indoor unit and extends in the front-rear direction, of the lateral air outlet is more forward than the outer side edge of the lateral air outlet, which is far away from the vertical bisection plane, so that the lateral air outlet faces towards the front of the outer side of the shell.
6. The indoor unit of air conditioner according to claim 4, wherein
The centrifugal fan and the ion wind generating device are configured to be controlled to be alternatively started to operate, so that the indoor unit of the air conditioner works in a quick cooling/quick heating mode in which the air supply is driven only by the centrifugal fan or a silent mode in which the air supply is driven only by the ion wind generating device; and is
The lower air outlet is provided with a movable air deflector which is configured to controllably open the lower air outlet in the rapid cooling/rapid heating mode and controllably close the lower air outlet in the silent mode.
7. The indoor unit of air conditioners of claim 1, wherein the ion wind generating device comprises at least one discharge module, each discharge module has a metal mesh and a plurality of discharge needles located inside the metal mesh and arranged in an array, wherein a distance L between a needle point of each discharge needle and the metal mesh is set such that: l = aL1, wherein a is any constant in the range of 0.7-1.3, L1 is the distance between the needle point of the discharge needle and the metal mesh when the wind speed of the ion wind at the wind speed central point of the metal mesh reaches the maximum wind speed Vmax, and the wind speed central point of the metal mesh is the projection point of the needle point of the discharge needle on the metal mesh.
8. The indoor unit of an air conditioner according to claim 7, wherein a distance R between the needlepoints of two adjacent discharge needles is set so as to satisfy: r = aR1, wherein R1 is the distance between a wind speed measuring point with the wind speed reaching b times of the maximum wind speed Vmax and the wind speed central point, and b is any constant within the range of 0.3-0.7.
9. The indoor unit of an air conditioner according to claim 1, wherein the air cleaning device includes:
the surface of the core body and the inner wall of the vent hole are coated with catalysts for accelerating the decomposition of ozone so as to remove ozone generated when the ion wind generating device operates.
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| CN107676874B (en) * | 2017-10-02 | 2024-02-20 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner and air conditioner |
| CN111699322A (en) * | 2018-02-23 | 2020-09-22 | 大金工业株式会社 | Air supply device and air conditioner |
| CN108278671A (en) * | 2018-02-24 | 2018-07-13 | 青岛海尔空调器有限总公司 | Ceiling-mounted air conditioner |
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