CN209558517U - Air conditioner indoor unit - Google Patents

Abstract

The utility model discloses a kind of air conditioner indoor unit, comprising: indoor heat exchanger, drip tray and refrigerant pipe.Drip tray is located at the lower section of indoor heat exchanger.Refrigerant pipe includes: upper pipeline section, lower tube section and bending section, heat exchanger in upper pipeline section junction chamber, lower tube section reaches the lower section of drip tray, bending section is connected between pipeline section and lower tube section, at least partially anti-overflow section of bending section, the anti-overflow section of surface positioned at drip tray, anti-overflow section horizontally disposed, or is obliquely installed upwards along refrigerant pipe towards anti-overflow section on the direction of lower tube section.According to the air conditioner indoor unit of the utility model embodiment, in air conditioner refrigerating, the condensed water formed on upper pipeline section and bending section outer wall is when fair current is at anti-overflow section, it is easy to drop onto drip tray from anti-overflow section, condensed water is not easy to flow out drip tray along refrigerant pipe, and the condensation water collection effect inside air conditioner indoor unit is good.

Description

Air conditioner indoor unit

Technical field

The utility model belongs to air conditioner technical field, specifically a kind of air conditioner indoor unit.

Background technique

For air conditioner indoor unit in refrigerating operaton, indoor heat exchanger absorbs heat, is equipped in the indoor unit of indoor heat exchanger The part temperature in portion is lower, is easy to generate condensed water on surface.

Condensed water is mainly collected by the drip tray of indoor motor spindle, and is discharged by drainpipe.However, indoor heat exchange Device is often connected with refrigerant pipe, refrigerant pipe or the side wall pass-out from indoor unit, or from the bottom pass-out of indoor unit, when refrigerant pipe table When face forms condensed water, condensed water is easy to flow along the laying of refrigerant pipe, is dropped in partial condensation water from refrigerant pipe surface The problem that condensed water is excessive is caused in the outside of drip tray.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of air conditioner indoor unit out, the condensate of indoor unit of air conditioner collecting effect is good, is not easy excessive.

According to a kind of air conditioner indoor unit of the utility model embodiment, comprising: indoor heat exchanger；Drip tray, the drip tray Positioned at the lower section of the indoor heat exchanger；Refrigerant pipe, the refrigerant pipe include: upper pipeline section, lower tube section and bending section, the upper tube Section connects the indoor heat exchanger, and the lower tube section reaches the lower section of the drip tray, and the bending section is connected to the upper tube Between section and the lower tube section, at least partially anti-overflow section of the bending section, described anti-overflow section is being located at the drip tray just Top, described anti-overflow section is horizontally disposed, or along the refrigerant pipe towards on the direction of the lower tube section, described anti-overflow section to On be obliquely installed.

According to the air conditioner indoor unit of the utility model embodiment, temperature is lower when indoor heat exchanger freezes, upper pipeline section and folding Condensed water easy to form on the outer wall of curved segment, the condensed water on pipe are easy to be flowed downward by gravity along pipe；Work as condensed water When flowing to anti-overflow section, if anti-overflow section is formed as horizontal segment, the gravity of condensed water does not have component on anti-overflow section of extending direction, such as Anti-overflow section of fruit is obliquely installed upwards, component of the gravity of condensed water on anti-overflow section of extending direction be it is downward, anti-overflow section in a word Condensed water be not easy again along pipe to lower tube section flow, condensed water be easy is dropped onto drip tray by gravity, air conditioner indoor unit Internal condensation water collection effect is good.

According to the air conditioner indoor unit of the utility model one embodiment, the both ends of the bending section and the upper pipeline section and institute It states lower tube section and passes through segmental arc transition respectively and connect, from the upper pipeline section to the direction of the lower tube section, the bending section exists Part between two segmental arcs is integrally obliquely installed upwards.

According to the air conditioner indoor unit of the utility model one embodiment, along the refrigerant pipe towards the side of the lower tube section Upwards, be obliquely installed upwards for described anti-overflow section, and described anti-overflow section between horizontal plane angle be more than or equal to 10 degree.

According to the air conditioner indoor unit of the utility model one embodiment, anti-overflow section of the minimum point is changed lower than the interior The refrigerant passage of bottom in hot device.

According to the air conditioner indoor unit of the utility model one embodiment, the edge of the drip tray is equipped with evacuation groove, institute It states lower tube section and is threaded through the evacuation groove.

According to the utility model further embodiment, the part around the evacuation groove of the drip tray is equipped with gear Water muscle.

According to the utility model optional embodiment, the height of the water retaining ribs is 2~20mm.

It further include pressure pipe card according to the utility model further embodiment, the pressure pipe card cooperation is recessed in the evacuation The opening of slot is to constrain the refrigerant pipe.

According to the utility model optional embodiment, the pressure pipe Button with special fastening means is connected on the drip tray or described Pressure pipe card is fixed on the drip tray by connector.

According to the utility model preferred embodiment, the drip tray includes upper water tray and is located under the upper water tray The lower accepting water disk of side, the upper water tray are equipped with escape port, and the lower accepting water disk, which is equipped with, is used to support the auxiliary thermal of electricity Support base, the support base reach the top of the upper water tray from the escape port, and the evacuation groove, which is located on described, to be connect On water pond, the floor projection of the lower accepting water disk is located in the floor projection of the upper water tray, the level of the evacuation groove Projection is located at outside the floor projection of the lower accepting water disk.

According to the air conditioner indoor unit of the utility model one embodiment, the air conditioner indoor unit has exhaust air flue, described The first wind wheel and the second wind wheel are equipped in exhaust air flue, first wind wheel is axial-flow windwheel or oblique flow wind wheel, second wind Wheel is axial-flow windwheel or oblique flow wind wheel, and first wind wheel and second wind wheel can be provided separately or constitute one group to rotation Wind wheel.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the overall structure diagram of the air conditioner indoor unit of the utility model one embodiment.

Fig. 2 is the schematic perspective view of the indoor heat exchanger of the utility model one embodiment, drip tray, refrigerant pipe.

Fig. 3 is the configuration schematic diagram of the indoor heat exchanger of the utility model one embodiment, drip tray, refrigerant pipe.

Fig. 4 is that the section view at the indoor heat exchanger and drip tray, refrigerant pipe assembly of the utility model one embodiment is illustrated Figure.

Fig. 5 is the partial enlarged view of indoor heat exchanger, drip tray, the refrigerant pipe assembly of the utility model one embodiment.

Appended drawing reference:

Air conditioner indoor unit 100；Exhaust air flue 101；First wind wheel 102；Second wind wheel 103；

Indoor heat exchanger 1；Heat exchanger tube 12；

Drip tray 2；

Upper water tray 21；Avoid groove 211；Water retaining ribs 212；Pressure pipe card 213；Escape port 214；Guide pipe 215；

Lower accepting water disk 22；Support base 221；Drainage interface 222；

Refrigerant pipe 3；

Upper pipeline section 31；Bending section 32；Anti-overflow section 321；Segmental arc 322；Lower tube section 33；

Heat exchanger bracket 9.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

A kind of air conditioner indoor unit 100 of the utility model embodiment is described below.

According to a kind of air conditioner indoor unit 100 of the utility model embodiment, as shown in Figure 1, air conditioner indoor unit 100 can be The indoor unit of split-type air conditioner, air conditioner indoor unit 100 are also possible to that the integrated machine constituted in same housing is arranged in outdoor unit, Air conditioner indoor unit 100 can only have refrigeration, heating function, and air conditioner indoor unit 100 can also combine humidification, fresh air function processed, Here with no restriction.

As shown in Figure 2 and Figure 3, air conditioner indoor unit 100 includes: indoor heat exchanger 1, drip tray 2 and refrigerant pipe 3.

Wherein, as shown in figure 3, drip tray 2 is located at the lower section of indoor heat exchanger 1, drip tray 2 is for collecting air conditioner indoor unit The condensed water that 100 inside are dripped.

As shown in Figure 2 and Figure 3, refrigerant pipe 3 includes: upper pipeline section 31, lower tube section 33 and bending section 32, upper 31 junction chamber of pipeline section Interior heat exchanger 1, lower tube section 33 reach the lower section of drip tray 2, and bending section 32 is connected between pipeline section 31 and lower tube section 33.This In, upper pipeline section 31, the bending section 32 condensed water easy to form on tube wall both at the top of drip tray 2, air conditioner refrigerating.

As shown in Fig. 2, at least partially anti-overflow section 321 of bending section 32, anti-overflow section 321 surface positioned at drip tray 2, I.e. anti-overflow section 321 of floor projection is located in the floor projection of drip tray 2, so that the condensed water on anti-overflow section 321 can be direct It drops on drip tray 2.Anti-overflow section 321 is horizontally disposed, or along refrigerant pipe 3 towards on the direction of lower tube section 33, and anti-overflow section 321 are obliquely installed upwards.

Here, the part for bending variation on refrigerant pipe 3 between upper pipeline section 31 and lower tube section 33 belongs to bending section 32, cold On matchmaker's pipe 3 there are many setting forms of bending section 32.In Fig. 5, on bending section 32 only one section be anti-overflow section 321 rolled over upwards, Only having continuous one section i.e. on refrigerant pipe 3 is anti-overflow section 321.When bending section 32 is wavy, the upward folding of each wave unit Part be anti-overflow section 321.Bending section 32 can also be other shapes, such as spiral yarn shaped, irregular shape etc., not limit here System.It, can be towards lower tube section 33 on bending section 32 that is, refrigerant pipe 3 can fold arbitrary shape at bending section 32 Direction on it is horizontal or be obliquely installed upwards, which is known as anti-overflow section 321.

The air conditioner indoor unit 100 of the utility model embodiment, by being provided with anti-overflow section 321 of bendable refrigerant pipe 3, Upper pipeline section 31 and bending section 32 therein are exposed to the inside of air conditioner indoor unit 100, and relatively close apart from indoor heat exchanger 1.When It absorbs heat when indoor heat exchanger 1 freezes, so that the temperature of surrounding components is lower, thus, upper pipeline section 31 and bending section 32 Outer wall on condensed water easy to form, condensed water flowed downward by gravity readily along refrigerant pipe 3.

Since at least partly section of bending section 32 is anti-overflow section 321, when being formed as horizontal segment for anti-overflow section 321, then flow to Condensed water at anti-overflow section 321, gravity direction and anti-overflow section 321 of extending direction are in vertical state, i.e., cold at anti-overflow section 321 Condensate gravity does not have component on anti-overflow section 321 of extending direction.When along refrigerant pipe 3 towards anti-overflow on the direction of lower tube section 33 When section 321 is obliquely installed upwards, component of the gravity of condensed water on anti-overflow section 321 of extending direction is downward.

In short, condensed water is affected by gravity can be downward along pipe when being formed with condensed water on upper pipeline section 31 and bending section 32 Flowing, partial condensation water along pipe towards anti-overflow section 321 flowing during will drop on drip tray 2, partial condensation water flow Moving anti-overflow section 321 can also drop on drip tray 2, be not easy to flow along the tube lower tube section 31 again or even flow to 2 lower section of drip tray. Condensation water collection effect inside the air conditioner indoor unit 100 of the utility model is good, efficiently avoids the excessive of condensed water.

In the embodiment of the utility model, the shape of bending section 32 is not specifically limited, and bending section 32 can be straight tube, folding Curved segment 32 is also possible to curved pipe even waveform pipe etc..Bending section 32 can entirely be formed as anti-overflow section 321, bending section 32 It can be formed with multiple anti-overflow sections 321.

In some embodiments of the utility model, as shown in Figure 4, Figure 5, the both ends of bending section 32 and upper pipeline section 31 and under Pipeline section 33 is connected by 322 transition of segmental arc respectively.By the way that arc is arranged between bending section 32 and upper pipeline section 31 and lower tube section 33 322 transition of shape section connection, can be such that refrigerant pipe 3 turns to more convenient, not easy to break in junction.In addition, bending section 32 and upper tube Segmental arc 322 between section 31 is in the lowest order of entire bending section 32, when forming condensed water on 3 tube wall of refrigerant pipe, can collect On poly- segmental arc 322 here, and drop on drip tray 2.

Specifically, from upper pipeline section 31 to the direction of lower tube section 33, part of the bending section 32 between two segmental arcs 322 Whole to be obliquely installed upwards, Z-shaped bending is integrally formed in refrigerant pipe 3.

Advantageous, as shown in Figure 4, Figure 5, along refrigerant pipe 3 towards on the direction of lower tube section 33, anti-overflow section 321 to updip Tiltedly setting, and anti-overflow section of angle between 321 and horizontal plane is more than or equal to 10 degree.That is, along refrigerant pipe 3 towards upper pipeline section On 31 direction, anti-overflow section 321 is up to 80 degree with the setting angle a of upper pipeline section 31.It is not easy the condensed water on anti-overflow section 321 It flows, and assembles always towards the direction of upper pipeline section 31, and then reach and prevent on anti-overflow section of 321 tube walls towards the direction of lower tube section 33 The effect overflowed from drip tray 2 of condensed water.

Preferably, refrigerant passage of anti-overflow section 321 of the minimum point lower than bottom in indoor heat exchanger 1.It is such anti-overflow The design structure of section 321, it is ensured that the refrigerant in indoor heat exchanger 1 is exported from refrigerant pipe 3 under the effect of gravity, reduces refrigerant Hydrops in heat exchanger 1 indoors.Here, the refrigerant passage in indoor heat exchanger 1 refers in indoor heat exchanger 1 for circulating The channel of refrigerant.As Fig. 3 example in, indoor heat exchanger 1 includes heat exchanger tube 12, and heat sink or heat dissipation are connected on heat exchanger tube 12 Fin.Heat exchanger tube 12 is bent to form multiple pipeline sections, and the refrigerant passage of bottom refers to that heat exchanger tube 12 is most lower in indoor heat exchanger 1 The pipeline section of side.

As shown in figure 5, the distance between anti-overflow section 321 of minimum point and 1 bottom wall of indoor heat exchanger are h2, the distance of h2 is small In equal to 2mm.So that refrigerant pipe 3 is closer to the bottom of indoor heat exchanger 1.

In some embodiments of the utility model, as shown in Figure 2 and Figure 3, the edge of drip tray 2 is equipped with evacuation groove 211, lower tube section 33 is threaded through at evacuation groove 211.This evacuation groove 211 and lower tube section 33 cooperate, and lower tube section 33 is limited Position and it is fixed while, make lower tube section 33 successfully pass-out to the outside of indoor heat exchanger 1.

Optionally, as shown in Figure 2 and Figure 3, the part of the circular evacuation groove 211 of drip tray 2 is equipped with water retaining ribs 212.Water blocking The setting of muscle 212 effectively prevent the condensed water in drip tray 2 jump over avoid groove 211 after spill into outside.Meanwhile water blocking The setting of muscle 212 also increases lower tube section 33 and avoids the coordinate contact surface between groove 211, and the laying for refrigerant pipe 3 provides Guiding and support.

Specifically, the height of h1 is 2 as shown in figure 5, the distance between water retaining ribs 212 and 1 bottom wall of indoor heat exchanger are h1 ~20mm.

In some embodiments of the utility model, as shown in Fig. 2, air conditioner indoor unit 100 further includes pressure pipe card 213, pressure The cooperation of pipe clamp 213 is avoiding the opening of groove 211 to constrain refrigerant pipe 3.Pressure pipe card 213 can effectively prevent refrigerant pipe 3 from keeping away It allows in groove 211.And 213 pairs of pressure pipe card evacuation grooves 211 provide it is certain block, increase local aesthetics.

Optionally, pressure pipe card 213 snaps connection on drip tray 2.I.e. pressure pipe card 213, drip tray 2 one be equipped with card Slot, the buckle or card base matched with card slot is arranged in another.

In some embodiments, pressure pipe card 213 is fixed on drip tray 2 by connector.Connector can be bolt spiral shell Mother, screw, rivet.

In some embodiments of the utility model, as shown in Figure 3, Figure 4, indoor heat exchanger 1 includes changing for snakelike setting Heat pipe 12, the lumen of heat exchanger tube 12 are above-mentioned refrigerant passage, and refrigerant pipe 2 is connected with heat exchanger tube 12, to input to heat exchanger tube 12 Or refrigerant is exported out of heat exchanger tube 12.

In some embodiments of the utility model, as shown in Figure 3 and Figure 4, drip tray 2 includes upper water tray 21 and is located at The lower accepting water disk 22 of 21 lower section of upper water tray, evacuation groove 211 are located in upper water tray 21, the floor projection position of lower accepting water disk 22 In in the floor projection of upper water tray 21, the floor projection of evacuation groove 211 is located at outside the floor projection of lower accepting water disk 22.

The setting of two layers of drip tray 2, the presence of one side lower accepting water disk 22 enable the condensed water in upper water tray 21 It drains in lower accepting water disk 22, greatly reduces the possibility that condensed water leaks out drip tray 2 in this way；On the other hand due to lower accepting water disk 22 Presence, upper water tray 21 need not dual limitation by 1 shape of indoor heat exchanger and leakproof demand simultaneously, such upper water tray 21 structure can be relatively easy, facilitates production.Additionally due to lower accepting water disk 22 be mainly used for receive upper water tray 21 in it is cold Condensate so that lower accepting water disk 22 by shape limited that limitation is smaller, therefore the shape of lower accepting water disk 22 can design very Simply, production is facilitated to reduce cost.

Evacuation groove 211 is located in upper water tray 21, and the horizontal area of lower accepting water disk 22 is arranged smaller, keeps away completely Lower tube section 33 is opened, is assembled up so very convenient.

Specifically, as Figure 3-Figure 4, indoor heat exchanger 1 is mounted in heat exchanger bracket 9, the bottom of heat exchanger bracket 9 Form upper water tray 21.Optionally, heat exchanger bracket 9 is the open compartment shell in front side, and upper water tray 21 is integrally formed in heat exchanger On bracket 9, it may also be said to which 9 bottom wall of heat exchanger bracket constitutes upper water tray 21.

Specifically, lower accepting water disk 22 is connected in upper water tray 21 by fastener, and lower accepting water disk 22 is from heat exchanger bracket 9 Lower can directly dismount.

Optionally, as shown in Figure 3, Figure 4, upper water tray 21 is equipped with escape port 214, and lower accepting water disk 22 is equipped with support base 221, support base 221 reaches the top of upper water tray 21, the auxiliary heat of the electricity of support base 221 and air conditioner indoor unit 100 from escape port 214 Device (such as PTC) connection.

Specifically, as shown in figure 4, being equipped with a circle guide pipe 215, guide pipe 215 around escape port 214 in upper water tray 21 Housing is in the outside of support base 221, under the setting of guide pipe 215 can be such that the water flow in upper water tray 21 is easily oriented to Drip tray 22 avoids water flow splashing from causing to overflow.

More specifically, drainage interface 222 can connect draining as shown in figure 4, lower accepting water disk 22 is equipped with drainage interface 222 Pipe, drainpipe are connected to outdoor, condensed water are discharged indoor.

In some embodiments of the utility model, as shown in Figure 1, air conditioner indoor unit 100 has exhaust air flue 101, out The first wind wheel 102 and the second wind wheel 103 are equipped in wind air duct 101.

Here, the first wind wheel 102 is axial-flow windwheel or oblique flow wind wheel, and the second wind wheel 103 is axial-flow windwheel or oblique flow wind wheel.

In addition, the first wind wheel 102 and the second wind wheel 103 can be non-interference independent wind wheel, the first wind wheel 102 and Two wind wheels 103 also may be constructed one group to whirlwind wheel.

When the first wind wheel 102 and the second wind wheel 103 constitute one group to whirlwind wheel, the first wind wheel 102 and the second wind wheel 103 Rotation direction on the contrary, to be capable of providing air quantity to whirlwind wheel bigger, apart from farther, softer outlet air, be thus both able to achieve Fast cooling or heating to indoor environment, and human sense of comfort can be improved.

Optionally, it can be the wind wheel of axial-flow type or the wind wheel of diagonal flow type to whirlwind wheel, not do specific limit herein It is fixed.

For the scheme for being best understood from the utility model embodiment, one of the utility model is described below with reference to Fig. 1-Fig. 5 The structure of air conditioner indoor unit 100 in specific embodiment.

As shown in Figure 1, a kind of air conditioner indoor unit 100, air conditioner indoor unit 100 is interior to be equipped with air exhausting structure and heat exchange structure.It is empty It adjusts and forms exhaust air flue 101 in indoor unit 100, outlet air is carried out to whirlwind wheel equipped at least one set of in exhaust air flue 101.

As shown in Figure 1, indoor heat exchanger 1 is mounted in installation cavity, and it is arranged close to exhaust air flue 101.

As shown in Figure 2 and Figure 3, indoor heat exchanger 1 is mounted in heat exchanger bracket 9, and the bottom of heat exchanger bracket 9 forms Drip tray 2.

As shown in figure 3, drip tray 2 includes upper water tray 21 and the lower accepting water disk 22 for being located at 21 lower section of upper water tray, above connect Water pond 21 is equipped with evacuation groove 211 and pressure pipe card 213, and the floor projection of lower accepting water disk 22 is located at the horizontal of upper water tray 21 and throws In shadow, the floor projection of evacuation groove 211 is located at outside the floor projection of lower accepting water disk 22.The circular evacuation groove of upper water tray 21 211 part is equipped with the water retaining ribs 212 of 4mm.

As shown in Figure 2 and Figure 3, refrigerant pipe 3 includes: upper pipeline section 31, lower tube section 33, bending section 32 and segmental arc 322, upper tube Section 31 connects indoor heat exchanger 1, and lower tube section 33 reaches the lower section of drip tray 2, and bending section 32 is connected to pipeline section 31 and lower tube section Between 33.Bending section 32 is obliquely installed upwards from upper pipeline section 31 to the direction of lower tube section 33, and the both ends of bending section 32 with Upper pipeline section 31 is connected by 322 transition of segmental arc respectively with lower tube section 33.Bending section 32 forms anti-overflow section 321.Anti-overflow section 321 Along refrigerant pipe 3 towards on the direction of lower tube section 33, same upward-inclination angle degree is equal to 10 degree.Anti-overflow section 321 of minimum point is lower than room The refrigerant passage of bottom in interior heat exchanger 1.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "vertical", " water It is flat ", "bottom", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more be somebody's turn to do Feature, for distinguishing Expressive Features, point of out-of-order, point of no weight.

In the description of the present invention, unless otherwise indicated, " a plurality of " is meant that two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

According to the working principle of other compositions such as wind wheel of the air conditioner indoor unit of the utility model embodiment, and heat exchange The working principle of device and specific mounting means be all for those of ordinary skill in the art it is known, no longer retouch in detail here It states.

In the description of this specification, the description of reference term " embodiment ", " example " etc. mean combine the embodiment or Example particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model. In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, description Particular features, structures, materials, or characteristics can be tied in an appropriate manner in any one or more of the embodiments or examples It closes.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (11)

1. a kind of air conditioner indoor unit characterized by comprising

Indoor heat exchanger；

Drip tray, the drip tray are located at the lower section of the indoor heat exchanger；

Refrigerant pipe, the refrigerant pipe include: upper pipeline section, lower tube section and bending section, and the upper pipeline section connects the indoor heat exchanger, The lower tube section reaches the lower section of the drip tray, and the bending section is connected between the upper pipeline section and the lower tube section, institute At least partially anti-overflow section for stating bending section, the described anti-overflow section surface positioned at the drip tray, the anti-overflow section of level are set It sets, or along the refrigerant pipe towards on the direction of the lower tube section, described anti-overflow section is obliquely installed upwards.

2. air conditioner indoor unit according to claim 1, which is characterized in that the both ends of the bending section and the upper pipeline section and The lower tube section passes through segmental arc transition respectively and connects, from the upper pipeline section to the direction of the lower tube section, the bending section Part between two segmental arcs is integrally obliquely installed upwards.

3. air conditioner indoor unit according to claim 1, which is characterized in that along the refrigerant pipe towards the lower tube section On direction, described anti-overflow section is obliquely installed upwards, and described anti-overflow section between horizontal plane angle be more than or equal to 10 degree.

4. air conditioner indoor unit according to claim 1, which is characterized in that anti-overflow section of the minimum point is lower than the interior The refrigerant passage of bottom in heat exchanger.

5. air conditioner indoor unit described in any one of -4 according to claim 1, which is characterized in that the edge of the drip tray is equipped with Groove is avoided, the lower tube section is threaded through the evacuation groove.

6. air conditioner indoor unit according to claim 5, which is characterized in that the circular evacuation groove of the drip tray Part is equipped with water retaining ribs.

7. air conditioner indoor unit according to claim 6, which is characterized in that the height of the water retaining ribs is 2~20mm.

8. air conditioner indoor unit according to claim 5, which is characterized in that further include pressure pipe card, the pressure pipe card cooperation exists The opening of the evacuation groove is to constrain the refrigerant pipe.

9. air conditioner indoor unit according to claim 8, which is characterized in that the pressure pipe Button with special fastening means is connected to the drip tray On or the pressure pipe card be fixed on the drip tray by connector.

10. air conditioner indoor unit according to claim 5, which is characterized in that the drip tray includes upper water tray and is located at Lower accepting water disk below the upper water tray, the upper water tray are equipped with escape port, and the lower accepting water disk is equipped with for branch The support base of the auxiliary thermal of support electricity, the support base reach the top of the upper water tray from the escape port, and the evacuation is recessed Slot is located in the upper water tray, and the floor projection of the lower accepting water disk is located in the floor projection of the upper water tray, described The floor projection of evacuation groove is located at outside the floor projection of the lower accepting water disk.

11. air conditioner indoor unit according to claim 1, which is characterized in that the air conditioner indoor unit has exhaust air flue, institute It states and is equipped with the first wind wheel and the second wind wheel in exhaust air flue, first wind wheel is axial-flow windwheel or oblique flow wind wheel, described second Wind wheel is axial-flow windwheel or oblique flow wind wheel, and first wind wheel and second wind wheel can be provided separately or constitute one group pair Whirlwind wheel.