CN216308012U - Air conditioner indoor unit with sterilization function - Google Patents

Abstract

The utility model relates to the technical field of air conditioners, and particularly provides an air conditioner indoor unit with a sterilization function. The utility model aims to solve the problems of limited action range, complex assembly, high safety requirement and the like of the existing ultraviolet sterilization device. The air conditioner indoor unit comprises a shell and an ion generating device, wherein the shell is provided with an air inlet and a first air outlet, the first air outlet is arranged on a front side plate of the shell, the ion generating device comprises a conversion part and an emission part, the conversion part is electrically connected with the emission part, the conversion part is arranged to process an input power supply and then provide the processed power supply for the emission part, the emission part is arranged on a base, the emission part is arranged to ionize air flowing through an air channel when being electrified, and comprises a plurality of sharp needles exposed in the air channel. The utility model can obtain better sterilization effect by positive ions and/or negative ions generated by ionizing air by the sharp needle arranged on the base in the shell.

Description

Air conditioner indoor unit with sterilization function

Technical Field

The utility model relates to the technical field of air conditioners, and particularly provides an air conditioner indoor unit with a sterilization function.

Background

With the higher living standard of people, the air conditioner is more and more widely applied. The indoor unit of the air conditioner is used for exchanging heat with air in an indoor space, and the air in the indoor space enters the shell of the indoor unit through the air inlet of the indoor unit, exchanges heat with the evaporator and then enters the indoor space through the air outlet of the indoor unit. However, after the air conditioner is used for a long time, a large amount of bacteria are accumulated in the air conditioner, so that when air in an indoor space flows through the inside of a shell of the indoor unit, the bacteria are carried to the indoor space, the air quality of the indoor space is further reduced, and the health of people is seriously harmed. At present, some air conditioners on the market are provided with ultraviolet sterilization devices, and ultraviolet rays emitted by the ultraviolet sterilization devices can eliminate air and bacteria on the surface of an object in an irradiation range.

However, the ultraviolet sterilizer can sterilize only air flowing through the air conditioner, and cannot perform a sterilization function on an area which cannot be irradiated, and thus has a limited range of operation. In addition, the assembly position of the whole ultraviolet sterilization device is complex, and a good sterilization effect can be achieved only by ensuring the irradiation range as large as possible during design. In addition, the ultraviolet sterilization device has high safety requirements, ultraviolet rays emitted by the ultraviolet sterilization device cannot directly irradiate human eyes and skin, and if the ultraviolet sterilization device irradiates some parts of the air conditioner, such as plastic parts and the like, the aging speed of the ultraviolet sterilization device is accelerated.

Accordingly, there is a need in the art for a new solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of limited action range, complex assembly, high safety requirement and the like of an ultraviolet sterilization device in the prior art, the utility model provides an air-conditioning indoor unit with a sterilization function, which comprises a shell, wherein the shell is provided with an air inlet and a first air outlet, the first air outlet is arranged on a front side plate of the shell, an air duct is formed between the air inlet and the first air outlet, a base is arranged in the shell, at least one part of the base is positioned in the air duct, the air-conditioning indoor unit further comprises an ion generation device, the ion generation device comprises a conversion part and an emission part, the conversion part is electrically connected with the emission part, the conversion part is arranged to process an input power supply and supply the processed power supply to the emission part, the emission part is arranged on the base, and the emission part is arranged to ionize air flowing through the air duct when electrified so as to generate positive ions And/or negative ions, wherein the emitting portion comprises a plurality of sharp pins that are exposed to the air channel when assembled.

In the preferable technical scheme of the air-conditioning indoor unit, the emitting part comprises a PCB connected with the converting part, the plurality of the sharp pins are arranged on the PCB, and the PCB is arranged on the base.

In the preferable technical scheme of the indoor unit of the air conditioner, the emitting part comprises a housing, the housing is arranged on the base, the PCB is arranged on the housing, the housing is provided with a plurality of first through holes, and when the air conditioner is assembled, each of the sharp pins passes through one of the first through holes.

In the preferable technical scheme of the air-conditioning indoor unit, the housing is provided with a protective cover at a position corresponding to the first through hole, the protective cover is arranged on the outer side of the sharp needle, and the protective cover is provided with a ventilation structure.

In a preferred technical solution of the above air conditioning indoor unit, the emitting portion further includes a sealing member, and the sealing member is disposed between the spike and an inner wall of the first through hole.

In the preferred technical scheme of above-mentioned machine in air conditioning, machine in air conditioning still including being located skeleton in the casing, the base be for forming in the inside strip shaped plate of casing, the casing the skeleton and the strip shaped plate encloses jointly and establishes the formation the wind channel, the housing set up in the strip shaped plate deviates from the lateral part in wind channel, be provided with a plurality of second through-holes on the strip shaped plate, when assembling, the point needle with the protection casing passes the second through-hole.

In the preferable technical scheme of the air conditioner indoor unit, the side part of the strip-shaped plate, which deviates from the air duct, is provided with a plurality of clamping jaws, a mounting position is formed between the plurality of clamping jaws and the side part of the strip-shaped plate, which deviates from the air duct, and the housing is clamped in the mounting position.

In the preferable technical scheme of the air-conditioning indoor unit, the strip-shaped plate is arranged along the length direction of the shell, and the plurality of the sharp needles are distributed along the length direction of the strip-shaped plate.

In the preferable technical scheme of the indoor unit of the air conditioner, a flow guide member is movably arranged in the casing, an air outlet gap is defined between the flow guide member and the inner wall of the casing when the flow guide member is at a first preset position, the air flow can gradually converge towards the air flow center direction, and the first air outlet can be blocked when the flow guide member is at a second preset position.

In the preferable technical scheme of the air-conditioning indoor unit, the casing is provided with a second air outlet, the second air outlet is arranged at the bottom of the casing, a guide plate is arranged at the second air outlet, and the base is arranged at a position close to the second air outlet.

The air conditioner indoor unit comprises a shell, an air inlet and a first air outlet are arranged on the shell, the first air outlet is arranged on a front side plate of the shell, an air duct is formed between the air inlet and the first air outlet, air in an indoor space enters the shell through the air inlet, and the air is processed and then returns to the indoor space through the air duct and the first air outlet, so that the purpose of adjusting the air quality of the indoor space is achieved. A base is arranged in the shell, and at least one part of the base is positioned in the air duct. The indoor unit of an air conditioner further includes an ion generating device including a converting part connected to the power supply and an emitting part, and the converting part is configured to process the input power and then supply the processed power to the emitting part, thereby ensuring stable operation of the ion generating device. The conversion part transmits the processed power supply to the emission part, the emission part can ionize air flowing through the air channel to generate a large amount of positive ions and/or negative ions, when the ions are adsorbed on the surfaces of bacteria, mould or viruses, the ions can become hydroxyl groups with extremely strong oxidizing capability, hydrogen is instantly extracted from protein on the surfaces, the protein is decomposed, the hydroxyl groups are combined with hydrogen ions to form water, and the water returns to the air, so that bacteria, viruses and the like in the space are quickly killed and removed, the structure is simple, and the action range is wide. Moreover, the negative ions can also play a health care role and are beneficial to human health. When the emitting part is assembled, the plurality of sharp needles are exposed in the air duct, so that after the sharp needles are electrified, air can be ionized to generate a large amount of positive ions and/or negative ions, the ions are diffused to all parts of the space where the indoor unit of the air conditioner is located along with the air flow, bacteria, viruses and the like in the space where the indoor unit of the air conditioner is located are effectively removed, and a good sterilizing effect is obtained.

Further, the emission part comprises a PCB connected with the conversion part, and the plurality of sharp needles are arranged on the PCB, so that the power supply processed by the conversion part can be transmitted to the PCB and then transmitted to the sharp needles, thereby ensuring the electric connection of the emission part and the conversion part, and further ensuring the stable operation of the ion generation device. The PCB board sets up on the base to also set up the sharp needle on the base, just can ionize the air that flows through the wind channel after the circular telegram of sharp needle like this and produce positive ion and/or negative ion.

Furthermore, the transmitting part comprises a housing, the housing is arranged on the base, the PCB is arranged on the housing, and certain waterproof effect can be achieved through the housing, so that water vapor in the air flowing through the air channel can be prevented from reaching the PCB, the PCB is prevented from being affected with damp, short circuit and the like, and stable operation of the PCB is ensured. The housing is provided with a plurality of first through holes, when the housing is assembled, the sharp needle penetrates through the first through holes, so that the emitting part is arranged on the base, the sharp needle can be exposed in the air duct, and the air flowing through the air duct can be ionized by the sharp needle to generate positive ions and/or negative ions.

Further, the housing is provided with a protective cover at a position corresponding to the first through hole, and the protective cover is covered on the outer side of the sharp needle, so that the sharp needle can be prevented from pricking hands. Be provided with ventilation structure on the shield, the air in wind channel of flowing through can enter into the shield via this ventilation structure, and then reaches sharp needle department, and positive ion and/or the anion that is produced after being ionized flow out via this ventilation structure again, and then along with the air current diffusion everywhere to the space of indoor set place of air conditioner to obtain better degerming effect.

Furthermore, the emission part also comprises a sealing element, the sealing element is arranged between the sharp needle and the inner wall of the first through hole, and through the arrangement of the sealing element, water vapor in air flow flowing through the air channel can be better prevented from reaching the PCB through a gap between the sharp needle and the first through hole, so that the PCB is prevented from being affected with damp, short-circuited and the like, and the stable operation of the PCB is ensured.

Further, the air-conditioning indoor unit further comprises a framework located in the shell, the base is a strip-shaped plate formed inside the shell, and the shell, the framework and the strip-shaped plate can be jointly enclosed to form the air duct. The housing sets up the lateral part that deviates from the wind channel at the bar shaped plate, be provided with a plurality of second through-holes on this bar shaped plate, when assembling, point needle and protection casing pass the second through-hole, like this, point needle and protection casing have also exposed in the wind channel, the air in wind channel of flowing through reachs point needle department via the ventilation structure on the protection casing, just so ensured the point needle and the abundant contact of the air in wind channel of flowing through, thereby produce more positive ions and/or negative ions, obtain better degerming effect.

Further, the lateral part that the strip shaped plate deviates from the wind channel is provided with a plurality of jack catchs, forms the installation position between the lateral part that these a plurality of jack catchs and the strip shaped plate deviate from the wind channel, and the housing card is located in this installation position, has just so also set up the housing at the lateral part that the strip shaped plate deviates from the wind channel, and even if the user can see through first air outlet and see the base like this, also only can see sharp needle and protection casing, and the complete machine is seen and is felt better.

Further, the length direction setting of casing is followed to the bar shaped plate, and a plurality of sharp needles distribute along the length direction of bar shaped plate, so, also make a plurality of sharp needles distribute along the length direction of casing, just so can cover the wind channel and follow the length direction's of casing region, each sharp needle just also can more fully with the air contact in the wind channel of flowing through, and then produce more positive ions and/or negative ions, obtain better degerming effect.

Furthermore, a flow guide part is movably arranged in the shell, an air outlet gap is defined between the flow guide part and the inner wall of the shell when the flow guide part is located at a first preset position, the air flow can gradually converge towards the air flow center direction, and the first air outlet can be blocked when the flow guide part is located at a second preset position. Through the setting of water conservancy diversion spare, when needs follow first air outlet and go out wind, make the water conservancy diversion spare remove to first default position, air in the casing can be to the polymerization of air current center direction when entering into the indoor space through first air outlet, forms the convergent effect for wind-force is more powerful, and the air supply distance is farther. When not needing to go out wind from first air outlet, make the water conservancy diversion spare remove to the second preset position, just so can block up first air outlet just.

Furthermore, the shell is also provided with a second air outlet which is arranged at the bottom of the shell, and a guide plate is arranged at the position of the second air outlet. That is, the air in the housing may also be returned to the indoor space through the second outlet and the direction adjusted by the baffle. The base sets up in the position that is close to the second air outlet, so, when the air in the casing entered into the interior space via the second air outlet, also can flow through the position that the base was located, the point needle that flows through promptly, thereby the point needle just can ionize this part of air and positive ion and/or the anion that produces just so, these positive ions and/or anion enter into the interior space along with the air current together, get rid of in the air of interior space or article surface adnexed bacterium, virus etc. to can obtain better degerming effect.

Drawings

An indoor unit of an air conditioner having a sterilization function according to the present invention will be described with reference to the accompanying drawings in which an ion generating device is provided in a wall-mounted air conditioner. In the drawings:

fig. 1 is a structural view (one) of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a cross-sectional view (one) of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 3 is a structural view (two) of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 4 is an enlarged view of detail A of FIG. 3;

FIG. 5 is a block diagram of the transmit section of one embodiment of the present invention;

FIG. 6 is a block diagram of one embodiment of the present invention with the cover removed from the transmitting portion;

FIG. 7 is a block diagram of the housing of the transmitting section of one embodiment of the present invention;

fig. 8 is a sectional view (two) of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 9 is an enlarged view of a portion B of fig. 8;

fig. 10 is a sectional view (three) of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 11 is an enlarged view of detail C of FIG. 10;

FIG. 12 is a block diagram of FIG. 11 with the transmitting portion removed;

fig. 13 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 14 is a schematic sectional view of an air conditioning indoor unit according to an embodiment of the present invention (ii).

List of reference numerals:

1. a housing; 11. an air inlet; 12. a first air outlet; 13. a second air outlet; 2. a base; 21. a second through hole; 22. a claw; 23. a mounting structure; 31. a transformation section; 32. a transmitting section; 321. a sharp needle; 322. a PCB board; 3221. screw holes; 323. a housing; 3231. a wire passing hole; 3232. a first through hole; 3233. a protective cover; 324. a rubber ring; 4. a flow guide member; 5. a baffle; 6. a framework; 100. a first preset position; 200. a second preset position.

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. Although the present embodiment is described with reference to a wall-mounted air conditioner, the present invention is also applicable to other types of air conditioners such as a cabinet air conditioner, a ceiling air conditioner, and the like, or other situations where an ion generating device is required.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In order to remove bacteria, viruses and the like attached to the air of an indoor space and the surfaces of articles, the indoor unit of the air conditioner is provided with the ion generating device, the ion generating device comprises a converting part and an emitting part which are electrically connected with each other, a sharp needle of the emitting part can ionize the air to generate a large amount of positive ions and/or negative ions after being electrified, and the ions can effectively remove the bacteria, the viruses and the like attached to the air of the space and the surfaces of the articles and have a good sterilizing effect.

The following describes possible arrangement of the ion generating device provided in the indoor unit of an air conditioner according to the present invention with reference to fig. 1 to 14. Wherein, fig. 1 is a structural view (one) of an air conditioning indoor unit according to an embodiment of the present invention, fig. 2 is a sectional view (one) of the air conditioning indoor unit according to the embodiment of the present invention, fig. 3 is a structural view (two) of the air conditioning indoor unit according to the embodiment of the present invention, fig. 4 is an enlarged view of a portion a of fig. 3, fig. 5 is a structural view of an emitting portion according to the embodiment of the present invention, fig. 6 is a structural view of the emitting portion according to the embodiment of the present invention with a cover removed, fig. 7 is a structural view of the cover of the emitting portion according to the embodiment of the present invention, fig. 8 is a sectional view (two) of the air conditioning indoor unit according to the embodiment of the present invention, fig. 9 is an enlarged view of a portion B of fig. 8, fig. 10 is a sectional view (three) of the air conditioning indoor unit according to the embodiment of the present invention, fig. 11 is an enlarged view of a portion C of fig. 10, fig. 11 is a structural view with a portion C removed, fig. 13 is a schematic sectional view of an air conditioning indoor unit according to an embodiment of the present invention (first), and fig. 14 is a schematic sectional view of an air conditioning indoor unit according to an embodiment of the present invention (second).

As shown in fig. 1, 13, and 14, the indoor unit of an air conditioner includes a casing 1, an air inlet 11 and a first air outlet 12 are provided on the casing 1, the first air outlet 12 is disposed on a front side plate of the casing 1, an air duct is formed between the air inlet 11 and the first air outlet 12, air in an indoor space enters the casing 1 through the air inlet 11, and the air is processed and then returns to the indoor space through the air duct and the first air outlet 12, so as to adjust air quality in the indoor space.

As shown in fig. 1, 2, 4, 8 to 11, a base 2 is provided in the housing 1, and at least a part of the base 2 is located in the air duct. The indoor unit of an air conditioner further includes an ion generating device (not shown) including a converting part 31 and an emitting part 32, the converting part 31 being connected to a power source, and the converting part 31 being configured to process the input power source and then supply it to the emitting part 32, thereby ensuring stable operation of the ion generating device. The conversion part 31 is disposed in the housing 1, and is connected to a power source, which is generally an ac power source, and has a low voltage (such as 220V or 12V, etc.), and the conversion part 31 is used to process the dc power source or the ac power source: after being processed by the EMI processing circuit and the lightning stroke protection circuit, the low voltage is boosted to alternating current high voltage through a pulse oscillation circuit, an overvoltage current-limiting circuit, a high-low voltage isolation circuit and the like, then pure direct current negative high voltage and pure direct current positive high voltage are obtained after rectification and filtration through special grade electronic materials, and the direct current negative high voltage and the direct current positive high voltage are provided for the emission part 32, so that stable operation of the ion generating device is ensured. Obviously, a person skilled in the art can also flexibly select a specific arrangement manner of the converting portion 31 according to a specific application scenario, as long as the low-voltage power supply can be converted into the high-voltage power supply.

The conversion part 31 transmits the processed power supply to the emission part 32, the emission part 32 can ionize the air flowing through the air channel to generate a large amount of positive ions and/or negative ions, when the ions are adsorbed on the surfaces of bacteria, mould or viruses, the ions can become hydroxyl groups with extremely strong oxidizing capability, hydrogen is instantly extracted from the protein on the surface, the protein is decomposed, the hydroxyl groups are combined with hydrogen ions to form water, and the water returns to the air, so that the bacteria, the viruses and the like in the space are quickly killed and removed, the structure is simple, and the action range is wide. Moreover, the negative ions can also play a health care role and are beneficial to human health. Through the arrangement mode, the air flowing through the air channel can be ionized by the ion generating device to generate a large amount of positive ions and/or negative ions, and the ions are diffused to all parts of the space where the air-conditioning indoor unit is located along with the air flow, so that bacteria, viruses and the like in the space where the air-conditioning indoor unit is located are effectively removed, and a good sterilizing effect is obtained.

The conversion part 31 may be provided at any position within the housing 1 as the assembly allows. Specifically, as shown in fig. 2 to 4 and according to the orientation shown in fig. 2, a mounting position is provided on the right side of the position near the back of the air conditioning indoor unit in the casing 1, and the conversion portion 31 is provided at the mounting position by means of snap-fitting or screwing or the like. The mounting position is substantially close to the first outlet 12, which can reduce the length of the wire between the converting portion 31 and the emitting portion 32, and simplify the wiring layout inside the housing 1. Obviously, the conversion part 31 can also be arranged at the left side of the position close to the back of the air-conditioning indoor unit or at other possible positions, and a person skilled in the art can flexibly select the conversion part according to a specific application scenario.

As shown in fig. 2, 5, 6, 8 to 11, the emitting portion 32 includes a plurality of sharp needles 321, and the sharp needles 321 may be stainless steel sharp needles, tungsten needles, or the like. When the air conditioner indoor unit is assembled, the plurality of sharp needles 321 are exposed in the air duct, so that after the sharp needles 321 are electrified, air can be ionized to generate a large amount of positive ions and/or negative ions, the ions are diffused to all parts of the space where the air conditioner indoor unit is located along with the air flow, bacteria, viruses and the like in the space where the air conditioner indoor unit is located are effectively removed, and a good sterilization effect is obtained.

As shown in fig. 2, 6, 8 and 9, the emission portion 32 further includes a PCB 322, the PCB 322 is substantially in a strip shape, and a plurality of sharp pins 321 are disposed on the PCB 322 by welding, so that the power processed by the conversion portion 31 can be transmitted to the PCB 322 and then to the sharp pins 321, thereby ensuring the electrical connection between the emission portion 32 and the conversion portion 31, and further ensuring the stable operation of the ion generating device. Obviously, the emitting portion 32 may not include the PCB board 322, and the plurality of sharp pins 321 are directly connected to the converting portion 31 through wires.

As shown in fig. 2 and 5, 7 to 9, and 11, the emitting part 32 further includes a housing 323, the housing 323 is disposed on the base 2, the PCB 322 is provided with a screw hole 3221, the PCB 322 can be fixed on the housing 323 by screwing, so that the PCB 322 is disposed on the base 2. The case 323 is provided with a wire passing hole 3231 at an end portion in a length direction thereof, and a wire between the PCB 322 and the conversion part 31 is directly passed through the wire passing hole 3231 while being connected to the PCB 322, and then is connected to the conversion part 31. Through the setting of housing 323, can play certain waterproof effect to steam in the air in the wind channel of preventing flowing through reachs PCB board 322 department, causes PCB board 322 to wet, short circuit etc. ensures PCB board 322's steady operation. Obviously, the wire passing hole 3231 may be disposed at other portions of the housing 323, such as a side portion of the housing 323 in the width direction thereof.

The housing 323 is provided with a plurality of first through holes 3232, and when assembled, the sharp needle 321 passes through the first through holes 3232, so that the sharp needle 321 can be exposed to the air duct, and thus positive ions and/or negative ions can be generated by ionizing air flowing through the air duct through the sharp needle 321. Obviously, the transmitting portion 32 may not include the housing 323, and may be directly disposed on the base 2 after the PCB 322 is subjected to waterproof treatment, and the like, and those skilled in the art may flexibly select the transmitting portion according to a specific application scenario.

As shown in fig. 5 and 7 to 11, the housing 323 is provided with a shield 3233 at a position corresponding to the first through hole 3232, and the shield 3233 is covered on the outside of the spike 321, so that the spike 321 can be prevented from being pricked. The protective cover 3233 is provided with a ventilation structure, air flowing through the air duct can enter the protective cover 3233 through the ventilation structure, and then reaches the sharp needle 321, positive ions and/or negative ions generated after ionization flow out through the ventilation structure, and then are diffused to all parts of the space where the indoor unit of the air conditioner is located along with the air flow, so that a good sterilization effect is obtained. Obviously, the cover housing 323 may not be provided with the protective cover 3233.

As shown in fig. 5 to 11, the emitting portion 32 further includes a sealing member, for example, the sealing member is a rubber ring 324, the rubber ring 324 is sleeved outside the sharp needle 321, when assembled, the rubber ring 324 is located between the sharp needle 321 and the inner wall of the first through hole 3232, and by disposing the simple and easily available rubber ring 324 between the sharp needle 321 and the inner wall of the first through hole 3232, it is better able to prevent the moisture in the air flowing through the air duct from reaching the PCB 322 through the gap between the sharp needle 321 and the first through hole 3232, so as to avoid causing the PCB 322 to be affected with damp, short-circuited, and the like, and ensure the stable operation of the PCB 322. Obviously, the sealing element may also be a sealant, etc., and those skilled in the art can flexibly select the specific arrangement form of the sealing element according to the specific application, as long as it can block the moisture in the air flowing through the air duct from reaching the PCB 322 through the gap between the sharp needle 321 and the first through hole 3232.

Obviously, the emitting portion 32 may not be provided with a sealing member, for example, the housing 323 is made of a material having a certain elasticity, such as rubber, plastic, silicon, etc., at least at a portion corresponding to the first through hole 3232, the diameter of the first through hole 3232 is substantially the same as the outer diameter of the spike 321 or slightly smaller than the outer diameter of the spike 321, and after the spike 321 passes through the first through hole 3232, there is substantially no gap between the spike 321 and the first through hole 3232, so that moisture in the air flowing through the air duct does not substantially reach the PCB 322 through the gap between the spike 321 and the first through hole 3232. The person skilled in the art can flexibly select whether to arrange the sealing member according to the specific application scenario, as long as the sealing member can block the moisture in the air flowing through the air duct from reaching the PCB 322 through the gap between the sharp needle 321 and the first through hole 3232.

As shown in fig. 2 and fig. 8 to fig. 12, the indoor unit of an air conditioner further includes a frame 6 located in the casing 1, the base 2 is a strip-shaped plate formed inside the casing 1, the strip-shaped plate has a certain radian, an upper side of the strip-shaped plate abuts against the frame 6, and a lower side of the strip-shaped plate is integrally formed with the bottom of the casing 1. The two ends and the middle part of the strip-shaped plate along the length direction are respectively provided with a mounting structure 23, the mounting structures 23 are provided with mounting holes (not shown), the framework 6 is provided with connecting holes (not shown) at corresponding positions, and the fasteners penetrate through the mounting holes and then are connected with the connecting holes, so that the strip-shaped plate is arranged on the framework 6. Under the condition that the strip-shaped plate is installed, the shell 1, the framework 6 and the strip-shaped plate can be arranged to jointly enclose to form the air duct.

Obviously, the strip-shaped plate can also be arranged on the framework 6 in a plugging, clamping, bonding and other ways. Of course, the strip-shaped plate can also be fixedly arranged on the inner side of the bottom of the housing 1. The skilled person in the art can flexibly select the specific arrangement mode and the arrangement position of the strip-shaped plate according to the specific application scenario, as long as it can form the air duct together with the enclosure of the housing 1 and the framework 6.

Obviously, the base 2 can be configured in other forms, such as a strip column with a cavity, etc., and those skilled in the art can flexibly select the specific configuration of the base 2 according to the specific application scenario so as to adapt to more specific application situations.

As shown in fig. 5 to 12, the casing 323 is disposed on the side of the strip facing away from the air duct, the side of the casing 323 facing away from the strip is disposed in an open structure, and the PCB 322 is disposed on the side of the casing 323 facing away from the strip, so that the PCB 322 can be conveniently mounted to the casing 323 from the open position. Because the air flowing through the air duct does not exist on the side part of the strip-shaped plate departing from the air duct, and no water vapor reaches the PCB 322 through the opening part of the housing 323, the arrangement mode can prevent the water vapor in the air flowing through the air duct from reaching the PCB 322. Of course, the housing 323 can also be formed by two parts which are fastened with each other, which is convenient for installation and can prevent the water vapor in the air from reaching the PCB.

The strip-shaped plate is correspondingly provided with a plurality of second through holes 21, when the strip-shaped plate is assembled, the sharp needle 321 and the protective cover 3233 penetrate through the second through holes 21, so that the sharp needle 321 and the protective cover 3233 are exposed in the air duct, and air flowing through the air duct reaches the sharp needle 321 through the ventilation structure on the protective cover 3233, so that the sharp needle 321 is ensured to be fully contacted with the air flowing through the air duct, more positive ions and/or negative ions are generated, and a better sterilization effect is obtained.

With continued reference to fig. 2, 5-12, the mounting structure 23 located in the middle of the strip divides the strip into two parts, namely a left part and a right part, the emitting part 32 of the present invention comprises two cases 323 and two PCB boards 322, the two cases 323 are respectively disposed on two sides of the mounting structure 23 located in the middle of the strip, and each case 323 is provided with three spikes 321. Use the left side of strip shaped plate as the example, the lateral part that the strip shaped plate deviates from the wind channel is provided with two jack catchs 22, form a roughly rectangular installation position between the lateral part that these two jack catchs 22 and strip shaped plate deviate from the wind channel, the housing 323 card is established in this installation position to also set up the housing 323 at the lateral part that the strip shaped plate deviates from the wind channel, when first air outlet 12 was opened like this, even if the user can see base 2 through first air outlet 12, also can only see sharp needle 321 and protection casing 3233, the complete machine look and feel is better. Obviously, the side of the strip facing away from the air duct can also be provided with four, six or a greater number of claws 22. Obviously, the housing 323 can also be disposed on the side of the strip-shaped plate away from the air duct by screwing, bonding, or the like.

Obviously, the housing 323 can also be disposed on the side of the strip facing the air duct, and those skilled in the art can flexibly select the housing according to the specific application, as long as the sharp needle 321 can be exposed in the air duct when assembled.

As shown in fig. 2, 5, 8 to 11, the base 2 is disposed along the length direction of the housing 1, and the plurality of sharp pins 321 are distributed along the length direction of the strip-shaped plate, so that the plurality of sharp pins 321 are distributed along the length direction of the housing 1, and thus the area of the air channel along the length direction of the housing 1 can be covered, each sharp pin 321 can be contacted with the air flowing through the air channel more sufficiently, and further more positive ions and/or negative ions are generated, and a better sterilization effect is obtained. Obviously, the base 2 may also be disposed along a direction forming a certain included angle with the length direction of the housing 1, or disposed along the width direction of the housing 1, and the like, and those skilled in the art may flexibly select the base according to a specific application scenario.

As shown in fig. 1, 2, 8, 10, 13 and 14, the air guide member 4 is movably disposed in the housing 1, the housing 1 further has a second air outlet 13, the second air outlet 13 is located at the bottom of the housing 1, and air in the indoor space enters the housing 1 through the air inlet 11, so that the air can enter the indoor space through the first air outlet 12 and/or the second air outlet 13 after being processed. The first air outlet 12 is provided with the water conservancy diversion spare 4, and second air outlet 13 is provided with guide plate 5, and water conservancy diversion spare 4 can close or open first air outlet 12, and second air outlet 13 can be closed or opened to guide plate 5, and the air in the casing 1 reentries into the indoor space after the water conservancy diversion spare 4 and the 5 water conservancy diversion of guide plate adjust the direction, and then reaches the purpose of the air quality of adjustment indoor space. Obviously, the second air outlet 13 may not be provided on the housing 1, and the air in the housing 1 enters the indoor space only through the first air outlet 12.

The air guide piece 4 is arranged to be capable of limiting an air outlet gap with the inner wall of the shell 1 when the air guide piece 4 is located at the first preset position 100, enabling the air flow to gradually converge towards the center direction of the air flow, and being capable of blocking the first air outlet 12 when the air guide piece 4 is located at the second preset position 200. Through the setting of water conservancy diversion spare 4, when needs are ventilated, make water conservancy diversion spare 4 remove to first preset position 100, when the air in casing 1 enters into the indoor space through first air outlet 12, can be to the polymerization of air current central direction, form the convergent effect for wind-force is more powerful, and the air supply distance is farther. When the air does not need to flow out from the first air outlet 12, the air guide piece 4 is moved to the second preset position 200, so that the first air outlet 12 can be blocked.

It should be noted that, in the operation process of the air conditioning indoor unit, the first air outlet 12 and the second air outlet 13 can be selectively opened according to specific requirements, for example, the diversion member 4 is located at the first preset position 100, and the diversion plate 5 is opened at the same time, so that the air can be simultaneously blown upward by the first air outlet 12 and downward by the second air outlet 13. For another example, the diversion plate 5 is closed, the diversion member 4 is located at the first preset position 100, and only the first air outlet 12 gathers air to be blown upwards. For another example, the air guide member 4 is located at the second preset position 200, the air guide plate 5 is opened, and only the second air outlet 13 supplies air downwards. The specific air supply mode can be flexibly selected according to the specific operation mode of the air conditioner indoor unit or the specific requirements of a user and the like.

As shown in fig. 1, 2, 5, 8, 10, 13, and 14, the first air outlet 12 is substantially in the shape of a strip structure distributed along the length direction of the housing 1, the air guide member 4 is a columnar structure extending along the length direction of the housing 1, and a structure capable of matching with the air guide member 4 and having an arc shape at both the top and bottom is formed on the inner wall of the housing 1 near the first air outlet 12, so that when the air guide member 4 is located at the second preset position 200, the upper portion and the lower portion of the air guide member 4 are respectively matched with the arc structure, thereby being capable of blocking the first air outlet 12.

When the air guide member 4 is located at the first preset position 100, the air guide member 4 and the inner walls of the upper side and the lower side of the casing 1 close to the first air outlet 12 both define an air outlet gap, the flow cross section of the air outlet gap is much smaller than that of the original air duct formed between the air inlet 11 and the first air outlet 12, and the air flow velocity of the air flowing through the air outlet gap is higher, so that the air in the casing 1 can enter the indoor space at a higher velocity. The inner wall of the shell 1 is arranged to be in a tapered structure at a position close to the first air outlet 12, and high-speed airflow is gradually converged towards the center direction of the airflow in the outward flowing process under the guidance of the inner wall of the tapered shell 1 to form a convergence effect to become converged air supply airflow, so that the wind power is very strong, the air supply distance is farther, and the air supply range is larger.

Obviously, the air guiding element 4 may also be provided in other forms, such as a plate-shaped structure, as long as the air guiding element 4 can define an air outlet gap with the inner wall of the housing 1 when in the first preset position 100, gradually converge the air flow toward the air flow center direction, and can block the first air outlet 12 when in the second preset position 200, and a person skilled in the art can flexibly select the air guiding element according to a specific application scenario.

The base 2 of the present invention is disposed near the second air outlet 13, which means that the ion generating device is disposed near the second air outlet 13, so that when the air in the housing 1 enters the indoor space through the second air outlet 13, the air also flows through the position of the base 2, i.e. the pointed needle 321, so that the pointed needle 321 can ionize the air to generate positive ions and/or negative ions, and the positive ions and/or negative ions enter the indoor space along with the airflow to remove bacteria, viruses, etc. attached to the air in the indoor space or the surface of the article, thereby obtaining a good sterilization effect.

In summary, in the preferred technical solution of the present invention, the ion generating device is disposed on the base 2 located in the air duct in the indoor unit of the air conditioner, and the emitting portion 32 of the ion generating device includes the plurality of sharp needles 321, so that the sharp needles 321 ionizes the air flowing through the air duct to generate a large amount of positive ions and/or negative ions, and then the positive ions and/or negative ions are diffused to various places of the space where the indoor unit of the air conditioner is located along with the air flow, thereby effectively removing bacteria, viruses, and the like in the space where the indoor unit of the air conditioner is located, and obtaining a good sterilization effect. By disposing the PCB 322 on the case 323 and passing the spike 321 disposed on the PCB 322 through the first through hole 3232 of the case 323, the spike 321 is exposed to the wind tunnel, and the air is ionized by the spike 321 to generate positive and/or negative ions capable of removing bacteria, viruses, etc. By providing the protective cover 3233 at a position of the housing 323 corresponding to the first through hole 3232 and providing a ventilation structure on the protective cover 3233, it is possible to prevent the spike 321 from being pricked while ensuring sufficient air to reach the spike 321. Through the arrangement of the cover 323 and the arrangement of the sealing element between the sharp pin 321 and the inner wall of the first through hole 3232, the water vapor in the air flow flowing through the air duct can be prevented from reaching the PCB 322 through the gap between the sharp pin 321 and the first through hole 3232, so that the PCB 322 is prevented from being affected with damp, short-circuited and the like, and the stable operation of the PCB 322 is ensured. Through setting up base 2 along the length direction of casing 1, a plurality of sharp needle 321 distributes along the length direction of base 2 to can make a plurality of sharp needles 321 cover the wind channel along the length direction's of casing 1 region, each sharp needle 321 also can more fully with the air contact that flows through the wind channel, and then produce more positive ions and/or negative ions, obtain better degerming effect.

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.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model 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 utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.

Claims (9)

1. An air-conditioning indoor unit with a sterilization function is characterized by comprising a shell, wherein the shell is provided with an air inlet and a first air outlet, the first air outlet is arranged on a front side plate of the shell, an air duct is formed between the air inlet and the first air outlet,

the air conditioner indoor unit comprises a shell, a base is arranged in the shell, at least one part of the base is positioned in an air channel, the air conditioner indoor unit further comprises an ion generating device, the ion generating device comprises a converting part and an emitting part, the converting part is electrically connected with the emitting part, the converting part is arranged to be capable of processing an input power supply and then supplying the processed power supply to the emitting part, the emitting part is arranged on the base, the emitting part is arranged to be capable of ionizing air flowing through the air channel when electrified so as to generate positive ions and/or negative ions,

wherein the launching portion comprises a plurality of sharp pins which, when assembled, are exposed to the air duct;

the emitting part comprises a PCB connected with the converting part, the plurality of the sharp needles are arranged on the PCB, and the PCB is arranged on the base.

2. An indoor unit of an air conditioner according to claim 1, wherein the emitting part includes a cover provided to the base, the PCB board is provided to the cover, and the cover is provided with a plurality of first through holes, and each of the spikes passes through one of the first through holes when assembled.

3. An indoor unit of an air conditioner as claimed in claim 2, wherein the casing is provided with a shield at a position corresponding to the first through hole, the shield is disposed outside the spike, and a ventilation structure is provided on the shield.

4. The indoor unit of claim 2, wherein the emitting part further comprises a sealing member disposed between the spike and an inner wall of the first through hole.

5. The indoor unit of claim 3, further comprising a frame located inside the casing, wherein the base is a strip-shaped plate formed inside the casing, the frame and the strip-shaped plate together enclose the air duct,

the housing set up in the strip shaped plate deviates from the lateral part in wind channel, be provided with a plurality of second through-holes on the strip shaped plate, when assembling, the point needle with the protection casing passes the second through-hole.

6. An indoor unit of an air conditioner as claimed in claim 5, wherein a plurality of claws are provided on the side of the strip away from the air duct, an installation position is formed between the claws and the side of the strip away from the air duct, and the casing is clamped in the installation position.

7. An indoor unit of an air conditioner according to claim 5, wherein the strip is provided along a longitudinal direction of the casing, and the plurality of the spikes are distributed along the longitudinal direction of the strip.

8. An indoor unit of an air conditioner according to claim 1, wherein a flow guide member is movably disposed in the casing, and the flow guide member is disposed to define an air outlet gap between the flow guide member and an inner wall of the casing when the flow guide member is in the first preset position, and to gradually converge an air flow toward an air flow center, and to block the first air outlet when the flow guide member is in the second preset position.

9. An indoor unit of an air conditioner according to claim 1, wherein the casing has a second outlet, the second outlet is provided at a bottom of the casing, a baffle plate is provided at the second outlet, and the base is provided at a position close to the second outlet.

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