CN213272882U - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
- Publication number
- CN213272882U CN213272882U CN202021505222.6U CN202021505222U CN213272882U CN 213272882 U CN213272882 U CN 213272882U CN 202021505222 U CN202021505222 U CN 202021505222U CN 213272882 U CN213272882 U CN 213272882U
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- heat exchanger
- air
- indoor unit
- sealing groove
- air conditioner
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 238000004378 air conditioning Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims description 60
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The utility model belongs to the technical field of the air conditioner, concretely relates to machine in air conditioning. The utility model discloses the liner between the heat exchanger that aims at solving current air conditioning indoor set existence and the skeleton has the risk that drops and ageing and the more troublesome problem of artifical installation. Mesh for this reason the utility model discloses in, the heat exchanger from top to bottom inclines to set up in the wind channel between air intake and air outlet to separate the wind channel for upper portion air inlet section and lower part air-out section, the skeleton is just being provided with the seal groove to the lower extreme of heat exchanger, and the lower extreme of heat exchanger supports the bottom that leans on the seal groove inboard that sets up on the skeleton. So, at the air conditioning indoor set initial stage of refrigeration, the comdenstion water flows into the seal groove that sets up on the skeleton by the lower extreme of heat exchanger, can form sealedly between skeleton and the heat exchanger in the comdenstion water in the seal groove of very short time to can avoid the comdenstion water gathering to blow indoor problem by the fan near the air outlet of housing, and this seal structure has simple and reliable advantage.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to machine in air conditioning.
Background
The air-conditioning indoor unit comprises a housing, a framework, a heat exchanger and a fan, wherein the housing is coated outside the framework, the heat exchanger and the fan are fixed on the framework, the heat exchanger is generally arranged in an inclined mode from top to bottom, and during refrigeration, condensed water formed after hot air meets cold on the surface of the heat exchanger can flow into a water receiving tray below the heat exchanger along the heat exchanger. The fan sets up the air-out side at the heat exchanger, and the wind flow path that the machine during operation of air conditioning formed passes through in proper order: air inlet on the housing → air gap of the heat exchanger → fan → air outlet on the housing.
When the indoor unit of the air conditioner is used for refrigerating, if the sealing between the heat exchanger and the framework is not tight, hot air leaked from a gap between the heat exchanger and the framework can be intersected with cold air formed by an air gap of the heat exchanger in a chamber where the fan is located to form condensed water, and the condensed water is gathered near an air outlet of the housing and then is easily blown into the room by the fan.
However, the gasket between the heat exchanger and the framework in the existing air conditioner indoor unit has the risk of falling off and aging, and the manual installation is troublesome.
Accordingly, there is a need in the art for a new air conditioning indoor unit that solves the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem among the prior art, the liner between the heat exchanger that exists for solving current air conditioning indoor set and the skeleton exists the risk that drops and age to and the more troublesome problem of artifical installation, the utility model provides an air conditioning indoor set. The air-conditioning indoor unit comprises a housing, a framework, a heat exchanger and a fan; an air inlet and an air outlet are formed in the housing, and an air duct for communicating the air inlet with the air outlet is formed in the housing; the framework is connected to the inner wall of the housing, and the heat exchanger and the fan are fixed on the framework; the heat exchanger is provided with an airflow gap, the heat exchanger is obliquely arranged in the air duct from top to bottom and divides the air duct into an upper air inlet section and a lower air outlet section, and the fan is positioned at the lower air outlet section; the framework is opposite to the lower end of the heat exchanger, a sealing groove is formed in the lower end of the heat exchanger, and the lower end of the heat exchanger is abutted against the bottom of the inner side of the sealing groove.
As a preferable technical solution of the above air conditioning indoor unit provided by the present invention, the opening of the sealing groove is gradually increased in a direction toward the heat exchanger; and/or the sealing groove is a V-shaped groove or a U-shaped groove.
As a preferred technical solution of the above air conditioner indoor unit provided by the present invention, the frame is provided with a side plate enclosing the sealing groove with the frame itself; or the sealing groove is a V-shaped or U-shaped groove formed by the framework.
As the utility model provides an above-mentioned machine in air conditioning's an preferred technical scheme, the lower extreme of heat exchanger sets up to the court the bottom of seal groove is gradually become flat pointed end gradually.
As the utility model provides an above-mentioned machine in air conditioning's an preferred technical scheme, the bottom of seal groove is provided with the hole that leaks.
As a preferable technical solution of the above air-conditioning indoor unit provided by the present invention, the water leakage hole is provided at a position higher than a horizontal plane where the lower end of the heat exchanger is located; or the water leakage hole is arranged at the lowest position of the inner side of the sealing groove, and the speed of the water leakage hole for discharging the condensed water outwards is smaller than the speed of the condensed water generated by the heat exchanger.
As the utility model provides an above-mentioned machine in air conditioning's an preferred technical scheme, machine in air conditioning still includes the water collector, the water collector connect in on the skeleton and be located under the hole leaks.
As the utility model provides an above-mentioned machine in air conditioning's an preferred technical scheme, machine in air conditioning still includes the honeycomb duct, the one end of honeycomb duct is connected on the outer wall of seal groove and with the hole intercommunication that leaks, the other end exposes machine in air conditioning's outside or stretch into in the water collector of machine in the air conditioning.
As the utility model provides an above-mentioned machine in air conditioning's an preferred technical scheme, be provided with level sensor in the seal groove, be provided with the solenoid valve on the honeycomb duct.
As an optimal technical solution of the above air-conditioning indoor unit provided by the present invention, the heat exchanger is a three-stage heat exchanger, and the fan is a cross-flow fan; the three-section heat exchanger is arranged in an inverted U shape and covers the upper part of the cross flow fan; the lower ends of the framework, which are opposite to the two sides of the three-section type heat exchanger, are respectively provided with the sealing grooves.
The utility model provides a pair of in air conditioning indoor unit, the heat exchanger from top to bottom inclines to set up in the wind channel between air intake and air outlet to separate the wind channel for upper portion air inlet section and lower part air-out section, the skeleton is just being provided with the seal groove to the lower extreme of heat exchanger, and the lower extreme of heat exchanger supports the bottom that leans on the seal groove inboard that sets up on the skeleton. So, at the air conditioning indoor set refrigeration initial stage, indoor hot-blast air forms the comdenstion water by meeting cold on the surface of heat exchanger behind the upper portion air inlet section in wind channel by the air intake on the housing, and the comdenstion water by the lower extreme of heat exchanger flow in the seal groove that sets up on the skeleton, can form sealedly between skeleton and the heat exchanger in the comdenstion water in the seal groove of very short time to can avoid the comdenstion water gathering to blow indoor problem, just by the fan near the back of the air outlet of housing the utility model discloses seal structure between well skeleton and the heat exchanger has simple and reliable advantage.
Furthermore, the utility model provides an among the machine in air conditioning, the opening of seal groove is crescent in the direction towards the heat exchanger. Therefore, the space at the bottom of the sealing groove is small, so that the generated condensed water can quickly submerge the lower end of the heat exchanger in the sealing groove, and sealing is realized; the opening of the outside of seal groove can make the lower extreme of heat exchanger stretch into in the seal groove more easily to can avoid the comdenstion water gathering to be blown indoor problem by the fan after near the air outlet of housing better, and strengthen the utility model discloses the advantage of the seal structure between well skeleton and the heat exchanger.
Drawings
The present invention will be described with reference to the accompanying drawings. In the drawings:
fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to the present embodiment;
fig. 2 is a schematic structural view of a sealing groove located at a lower portion of one end of a heat exchanger in the indoor unit of an air conditioner according to the present embodiment;
fig. 3 is a schematic structural view of a sealing groove located at the lower portion of the other end of the heat exchanger in the indoor unit of an air conditioner according to this embodiment.
List of reference numerals
1-a heat exchanger; 101-a refrigerant channel; 2-a framework; 3-sealing the groove; 31-side plate; 301-water leakage hole; 4-a fan.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the drawings illustrate the sealing between the heat exchanger and the frame as a wall-mounted air conditioner, the type of air conditioner to which the present invention is applied is not invariable, and those skilled in the art can adjust the air conditioner as needed to suit a particular application without departing from the principles of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to solve the above-mentioned problem in the prior art, be promptly for solving the liner that exists between heat exchanger and the skeleton that current air conditioning indoor set exists and have the risk of coming off and ageing to and the more troublesome problem of manual installation, this embodiment provides an air conditioning indoor set.
As shown in fig. 1 to 3, the air conditioning indoor unit includes a casing (not shown), a framework 2, a heat exchanger 1 and a fan 4; an air inlet and an air outlet are arranged on the housing, for example, the air inlet is arranged above the heat exchanger 1 in fig. 1, and the air outlet is arranged below the heat exchanger, and an air duct for communicating the air inlet with the air outlet is formed in the housing, please refer to the air flow path in fig. 1; the framework 2 is connected to the inner wall of the housing, and the framework 2 is fixed with the heat exchanger 1 and the fan 4; the heat exchanger 1 is provided with an airflow gap, the heat exchanger 1 is obliquely arranged in the air duct from top to bottom and divides the air duct into an upper air inlet section and a lower air outlet section, and the fan 4 is positioned at the lower air outlet section; the lower end of the framework 2, which is opposite to the heat exchanger 1, is provided with a sealing groove 3, and the lower end of the heat exchanger 1 is abutted against the bottom of the inner side of the sealing groove 3.
Exemplarily, as shown in fig. 1, the heat exchanger 1 in the present embodiment may be a three-stage heat exchanger 1, the three-stage heat exchangers 1 are connected and are all arranged in an upward and downward inclined manner, and the fan 4 may be a cross flow fan 4; the three-section type heat exchanger 1 is arranged in an inverted U shape and coats the upper part of the cross flow fan 4, so that the heat exchanger 1 can guide condensate water formed on the heat exchanger into the sealing groove 3 through the heat exchanger; for the three-section heat exchanger 1, two lower ends are respectively formed at two sides of the cross flow fan 4, and a sealing groove 3 is respectively arranged at the lower ends of the framework 2, which are opposite to the two sides of the three-section heat exchanger 1.
In the air-conditioning indoor unit provided by the embodiment, at the initial stage of refrigeration of the air-conditioning indoor unit, indoor hot air passes through the upper air inlet section of the air duct from the air inlet on the housing and then forms condensed water on the surface of the heat exchanger 1 through cooling, the condensed water flows into the sealing groove 3 arranged on the framework 2 from the lower end of the heat exchanger 1, and the condensed water in the sealing groove 3 in a short time can seal the framework 2 and the heat exchanger 1, so that the problem that the condensed water is blown to the indoor space by the fan 4 after gathering near the air outlet of the housing can be avoided, and the sealing structure between the framework 2 and the heat exchanger 1 in the embodiment has the advantages.
It should be noted that the amount of condensed water required for the condensed water in the sealing groove 3 to form a seal when the condensed water passes through the lower end of the heat exchanger 1 is about 0.1L, and the effective time of the seal is generally not more than 5 minutes; in the process of gathering the condensed water amount in the sealing groove 3, a small amount of hot air leaks from the gap between the framework 2 and the heat exchanger 1 and flows to the lower air outlet section of the air duct, but because the condensed water in the sealing groove 3 is easy to gather and the time for forming sealing is short, the condensed water formed by the intersection of cold air and hot air in the lower air outlet section of the air duct can be ignored during the period, and the problem that the condensed water is gathered near the air outlet of the housing and then blown to the indoor space by the fan 4 can not occur during the period.
As a preferred embodiment of the air conditioning indoor unit according to the present embodiment, as shown in fig. 2, the opening of the seal groove 3 is gradually increased in the direction toward the heat exchanger 1; and/or the sealing groove 3 is a V-shaped groove or a U-shaped groove.
It can be understood that, in the present embodiment, the space at the bottom of the sealing groove 3 is small, so that the generated condensed water can quickly raise the water level in the sealing groove 3 and submerge the lower end of the heat exchanger 1 to realize sealing; the opening grow of the outside of seal groove 3 can make the lower extreme of heat exchanger 1 stretch into in the seal groove 3 more easily, also for cooperating with the mode that sets up of heat exchanger 1 from top to bottom slope, thereby can avoid the problem that the comdenstion water gathering is blown indoor by fan 4 after near the air outlet of housing better to and strengthen the advantage of the seal structure between skeleton 2 and the heat exchanger 1 in this embodiment.
As a preferred embodiment of the above-mentioned air conditioning indoor unit provided in this embodiment, the frame 2 is provided with a side plate 31 that encloses the sealing groove 3 with the frame 2 itself, for example, a plastic plate or a steel plate may be welded or bonded to the frame 2, and a hydrophobic coating may be provided on the inner side of the side plate to allow the condensed water to efficiently flow to the bottom of the sealing groove 3; or the sealing groove 3 is a V-shaped or U-shaped groove formed by the framework 2.
As a preferred embodiment of the air conditioning indoor unit according to the present embodiment, as shown in fig. 3, the lower end of the heat exchanger 1 is provided with a tip gradually flattened toward the bottom of the sealing groove 3. So, can make the space in the shared seal groove 3 of the lower extreme of heat exchanger 1 little, the lower extreme of this heat exchanger 1 is submerged more easily to the comdenstion water simultaneously to realize sealed between skeleton 2 and the heat exchanger 1 fast. In addition, the lower end of the heat exchanger 1 is gradually flattened towards the bottom of the sealing groove 3 and is also gradually increased and adapted to the opening of the sealing groove 3 in the direction towards the heat exchanger 1, and the framework 2 and the heat exchanger 1 are easily sealed through condensate water due to the combination of the two technical means.
It can be understood that the heat exchanger 1 of the present embodiment may be a plate heat exchanger 1, the plate heat exchanger 1 has a refrigerant channel 101 inside, and a hydrophobic coating may be further disposed on the surface of the heat exchanger 1, so that condensed water generated on the heat exchanger 1 flows into the sealing groove 3 more easily.
As a preferred embodiment of the above air conditioning indoor unit provided in this embodiment, after the sealing between the framework 2 and the heat exchanger 1 is achieved, the amount of the condensed water increases with the cooling operation of the air conditioning indoor unit, so that the condensed water needs to be discharged while achieving the sealing. Therefore, the water leakage hole 301 may be provided at the bottom of the sealing groove 3; alternatively, a water suction line may be provided in the seal groove 3 to discharge excess water when the amount of water in the seal groove 3 exceeds a certain amount.
As a preferred embodiment of the above air conditioning indoor unit provided in this embodiment, when the water leakage hole 301 is formed at the bottom of the sealing groove 3, the water leakage hole 301 may be formed at a position higher than a horizontal plane where the lower end of the heat exchanger 1 is located, so that the excessive condensed water may be directly discharged through the water leakage hole 301.
It is understood that, since the opening of the sealing groove 3 is gradually increased from the bottom to the outside, the water level in the sealing groove 3 should be gradually increased, and accordingly, the water leakage hole 301 may be disposed at the lowest position inside the sealing groove 3, and the water leakage hole 301 may be disposed such that the speed of discharging the condensed water to the outside is lower than the speed of generating the condensed water in the heat exchanger 1. For example, the water leakage hole 301 may be one or more micro holes having a diameter of 0.5 mm to 1.5 mm, and the shape of the micro holes may be regular or irregular such as circular, oval, and square. Therefore, the condensed water can be discharged outwards through the micropores, and the initial stage is that the water quantity in the sealing groove 3 is small, the weight is light, the drainage effect of the condensed water is poor, the gathering effect of the condensed water is good correspondingly, the sealing between the heat exchanger 1 and the framework 2 can be realized quickly, and the drainage capacity of the heat exchanger is always smaller than the formation speed of the condensed water.
As a preferred embodiment of the above-mentioned indoor unit of an air conditioner provided in this embodiment, the indoor unit of an air conditioner further includes a water receiving tray (not shown in the figure), which is connected to the framework 2 and is located right below the water leakage hole 301. Therefore, the condensed water can be dripped into the water receiving tray through the water leakage holes 301 on the sealing groove 3, and the condensed water is subjected to centralized treatment by the water receiving tray. For example, a drain pipe is connected to the bottom of a conventional water pan, and when an air conditioner is cooling, the drain pipe is conducted to drain water through an electromagnetic valve at regular intervals or when a certain amount of condensed water in the water pan is reached.
As a preferred embodiment of the above-mentioned indoor unit of an air conditioner provided in this embodiment, the indoor unit of an air conditioner further includes a flow guide pipe, one end of the flow guide pipe is connected to the outer wall of the sealing groove 3 and is communicated with the water leakage hole 301, and the other end of the flow guide pipe is exposed outside the indoor unit of an air conditioner or extends into a water pan of the indoor unit of an air conditioner. Therefore, the condensed water in the sealing groove 3 can be better discharged to the water receiving tray or directly discharged to the outdoor.
As a preferred embodiment of the air conditioning indoor unit according to the present embodiment, a water level sensor is provided in the seal groove 3, and an electromagnetic valve is provided in the flow guide pipe. So, can switch on the honeycomb duct through the solenoid valve and carry out the drainage when the water in seal groove 3 reaches certain water level.
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 although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
So far, the technical solution of the present invention has been described with reference to 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. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. An air-conditioning indoor unit is characterized by comprising a housing, a framework, a heat exchanger and a fan;
an air inlet and an air outlet are formed in the housing, and an air duct for communicating the air inlet with the air outlet is formed in the housing;
the framework is connected to the inner wall of the housing, and the heat exchanger and the fan are fixed on the framework;
the heat exchanger is provided with an airflow gap, the heat exchanger is obliquely arranged in the air duct from top to bottom and divides the air duct into an upper air inlet section and a lower air outlet section, and the fan is positioned at the lower air outlet section;
the framework is opposite to the lower end of the heat exchanger, a sealing groove is formed in the lower end of the heat exchanger, and the lower end of the heat exchanger is abutted against the bottom of the inner side of the sealing groove.
2. An indoor unit of an air conditioner according to claim 1, wherein an opening of the seal groove is gradually increased in a direction toward the heat exchanger; and/or
The seal groove is a V-shaped groove or a U-shaped groove.
3. An indoor unit of an air conditioner according to claim 1, wherein a side plate surrounding the frame itself to form the sealing groove is provided on the frame; or
The sealing groove is a V-shaped or U-shaped groove formed by the framework.
4. An indoor unit of an air conditioner according to claim 1, wherein the lower end of the heat exchanger is provided with a tip end which is gradually flattened toward the bottom of the sealing groove.
5. An indoor unit of an air conditioner according to claim 1, wherein a water leakage hole is formed at a bottom of the sealing groove.
6. An indoor unit of an air conditioner according to claim 5, wherein the water leakage hole is provided at a position higher than a horizontal plane on which a lower end of the heat exchanger is located; or
The water leakage hole is arranged at the lowest position of the inner side of the sealing groove, and the speed of the water leakage hole for discharging condensed water outwards is smaller than the speed of the condensed water generated by the heat exchanger.
7. The indoor unit of claim 5, further comprising a water pan connected to the frame and located right below the water leakage hole.
8. The indoor unit of claim 5, further comprising a flow guide pipe, wherein one end of the flow guide pipe is connected to the outer wall of the sealing groove and is communicated with the water leakage hole, and the other end of the flow guide pipe is exposed out of the indoor unit of the air conditioner or extends into a water pan of the indoor unit of the air conditioner.
9. The indoor unit of claim 8, wherein a water level sensor is disposed in the sealing groove, and an electromagnetic valve is disposed on the flow guide pipe.
10. An indoor unit of an air conditioner according to claim 1, wherein the heat exchanger is a three-stage heat exchanger, and the fan is a cross-flow fan;
the three-section heat exchanger is arranged in an inverted U shape and covers the upper part of the cross flow fan;
the lower ends of the framework, which are opposite to the two sides of the three-section type heat exchanger, are respectively provided with the sealing grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021505222.6U CN213272882U (en) | 2020-07-27 | 2020-07-27 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021505222.6U CN213272882U (en) | 2020-07-27 | 2020-07-27 | Indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213272882U true CN213272882U (en) | 2021-05-25 |
Family
ID=75968736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021505222.6U Active CN213272882U (en) | 2020-07-27 | 2020-07-27 | Indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213272882U (en) |
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2020
- 2020-07-27 CN CN202021505222.6U patent/CN213272882U/en active Active
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