CN104141984A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
- Publication number
- CN104141984A CN104141984A CN201310167782.3A CN201310167782A CN104141984A CN 104141984 A CN104141984 A CN 104141984A CN 201310167782 A CN201310167782 A CN 201310167782A CN 104141984 A CN104141984 A CN 104141984A
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- evaporimeter
- air conditioner
- air
- claw
- room unit
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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 invention discloses an indoor unit of an air conditioner. The indoor unit of the air conditioner comprises a housing, an evaporator, a fan component and a water stop part, the evaporator is arranged in the housing and is arranged obliquely relative to the horizontal plane, the fan component comprises a volute and a fan wheel arranged in the volute, an air duct with an air inlet and an air outlet is limited in the volute, and the water stop part is arranged in the housing and positioned between the evaporator and the air inlet so as to stop at least part of condensate water on the evaporator from dripping towards the air inlet. The indoor unit of the air conditioner can effectively solve the problem of water dripping of an air supply outlet.
Description
Technical field
The present invention relates to art of refrigeration units, especially relate to a kind of air conditioner room unit.
Background technology
Air-conditioner is in process of refrigerastion, air stream is when evaporimeter, airborne steam is met the cold little water droplet that congeals into and is attached on evaporimeter, when agglomerating to a certain degree, water droplet is easy to along with air stream enters in air channel, along air channel inwall, flow to again the air outlet edge of air-conditioner, finally from air outlet, drop onto on the ground or furniture of air-conditioner below.Be that existing air-conditioner is easy to occur the air outlet problem of dripping, be easy to thus cause the pollution of ground or furniture, to user, bring property loss, cause customer complaint.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.For this reason, the present invention need to provide a kind of air conditioner room unit, and this air conditioner room unit can solve the air outlet problem of dripping effectively.
According to the air conditioner room unit of the embodiment of the present invention, comprise: housing; Evaporimeter, described evaporimeter is located in described housing and is inclined relative to horizontal setting; Fan assembly, described fan assembly comprises spiral case and wind wheel, limits the air channel with air inlet and air outlet in described spiral case, described wind wheel is located in described spiral case; And water deflector, described water deflector is located in described housing and with at least a portion condensed water blocking on described evaporimeter, to described air inlet, drips between described evaporimeter and described air inlet.
According to the air conditioner room unit of the embodiment of the present invention, in housing, and between evaporimeter and the air inlet of spiral case, water deflector is set, to utilize at least a portion condensed water that water deflector is blocked on evaporimeter to drip to air inlet, whole condensed waters that even can shelter from evaporimeter drip to air inlet.Therefore, by this water deflector is set, thereby can effectively solve the air outlet problem of dripping, reduce the pollution of condensed water to ground or furniture, avoid user for the cleaning of dripping, use convenient.
In addition, according to air conditioner room unit of the present invention, also can there is following additional technical feature:
According to one embodiment of present invention, described water deflector is water fender, and described water fender is inclined relative to horizontal and is located on described evaporimeter.
According to one embodiment of present invention, described water fender comprises: body; And installation portion, described installation portion is located on the upper surface of described body, and described installation portion coordinates so that described water fender is fixed to described evaporimeter with described evaporimeter.
According to one embodiment of present invention, have the first predetermined angle between described body and described evaporimeter, the scope of described the first predetermined angle is between 5 °-40 °.
According to one embodiment of present invention, described evaporimeter has heat exchanger tube, and described installation portion comprises the first claw and the second claw, between described the first claw and described the second claw, is formed with the arc groove coordinating with described heat exchanger tube.
According to one embodiment of present invention, described installation portion comprises the 3rd claw and the 4th claw, and described the 3rd claw and described the 4th claw are engaged between adjacent two heat exchanger tubes jointly.
According to one embodiment of present invention, in described housing, be provided with water receiving tank, the lower end of described evaporimeter and described water fender is all contained in described water receiving tank.
According to one embodiment of present invention, the lower surface of described body is provided with support member, and described supports support is on the wall of described water receiving tank.
According to one embodiment of present invention, described support member comprises a plurality of projections that are intervally installed along in described body length direction.
According to one embodiment of present invention, the lower surface of described body is provided with watertight composition.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the side sectional view of the air conditioner room unit of the embodiment of the present invention, and it shows the evaporimeter of air-conditioner and the mounting structure of water fender;
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1;
Fig. 3 is according to the stereogram of the water fender of the air conditioner room unit of the embodiment of the present invention;
Fig. 4 is the stereogram of another angle of the water fender shown in Fig. 3.
Description of reference numerals
Air conditioner room unit 100;
Housing 1; Water receiving tank 11; Return air inlet 12; Air outlet 13;
Evaporimeter 2; Heat exchanger tube 21; Leading portion evaporimeter 22; Back segment evaporimeter 23
Fan assembly 3; Spiral case 31; Air inlet 311; Air outlet 312; Air channel 313; Snail tongue 314; Wind wheel 32;
Water fender 4;
Body 41; Upper surface 411; Lower surface 412; First paragraph 413; Second segment 414;
Installation portion 42; Support member 43; Projection 431; Watertight composition 44;
The first claw 421; The second claw 422; Groove 423; The 3rd claw 424; The 4th claw 425.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " on ", orientation or the position relationship of the indication such as D score, 'fornt', 'back', " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1-Fig. 4, describe according to the air conditioner room unit 100 of the embodiment of the present invention.First it should be noted that, in the description of embodiments of the invention: " above-below direction " for example,, shown in the arrow in Fig. 1 and Fig. 2, " fore-and-aft direction " is as shown in the arrow in Fig. 1.But it should be noted that, the indication of this direction is for exemplary purposes, rather than in order to limit the scope of the invention.
According to the air conditioner room unit 100 of the embodiment of the present invention, as shown in Figure 1, comprise housing 1, evaporimeter 2, fan assembly 3 and water deflector.
Housing 1 can comprise the parts such as chassis, face frame, panel, and housing 1 can be configured to its inside and have installing space, and evaporimeter 2, fan assembly 3 and water deflector are all located in housing 1.On housing 1, can there is the return air inlet 12 for return air, and for the air outlet 13 to indoor air-supply.
Fan assembly 3 can comprise spiral case 31 and wind wheel 32, limits the air channel 313 with air inlet 311 and air outlet 312 in spiral case 31, and wind wheel 32 is located in spiral case 31, and wind wheel 32 can be close to air inlet 311 settings.Wherein, the return air inlet 12 on housing 1 is connected with the air inlet 311 of spiral case 31, and the air outlet 13 on housing 1 is connected with the air outlet 312 of spiral case 31.Example concrete example as shown in Figure 1, enters into the wind in housing 1 from return air inlet 12, through evaporimeter 2, carries out heat exchange, and under the drive of wind wheel 32, from air inlet 311, enter in the air channel 313 of spiral case 31, and pass through successively air outlet 312 and air outlet 13, deliver to indoor.
Here be understandable that, air outlet 312 and air outlet 13 can be positioned at same position place, and as shown in Figure 1, air outlet 312 and air outlet 13 are all opened on housing 1 example.Certainly the present invention is not limited to this, and air outlet 312 and air outlet 13 can also be communicated with by a passage is set between the two.
As shown in Figure 1, return air inlet 12 can be positioned at evaporimeter 2 tops, and evaporimeter 2 is inclined relative to horizontal setting.Be understandable that, " evaporimeter 2 is inclined relative to horizontal setting " refers to that the cross section of evaporimeter 2 is inclined relative to horizontal setting, in other words, the cross section of evaporimeter 2 with respect to the horizontal plane has angle, and the scope of this angle can be between 30 °-50 °.Thus, when air enters housing 1 and flows downward from return air inlet 12, can guarantee that air and evaporimeter 2 have certain contact area, to guarantee the heat transfer effect of evaporimeter 2 and air.In preferred embodiments more of the present invention, the angular range of evaporimeter 2 and horizontal plane can be between 38 °-45 °, can be so that the gradient of evaporimeter 2 be less, and while flowing downward further to increase air and the contact area of evaporimeter 2.
According to the present inventor's experience, when air-conditioner freezes, the airborne steam that flows through evaporimeter 2 be easy to catch a cold and on evaporimeter 2 condensation go out water droplet, when agglomerating to a certain degree, water droplet is easy to along with air stream enters in air channel 313, along air channel, 313 inwalls flow to air outlet 13 edges of air-conditioner again, finally from air outlet 13, drop onto on the ground or furniture of air-conditioner below.
In industry, conventionally adopt cross section and the horizontal plane angle that strengthens evaporimeter 2, so that water droplet is along the dirty the problems referred to above that solve of evaporimeter 2, but in order to guarantee the heat transfer effect of evaporimeter 2 and air, during design, should reduce as much as possible the cross section of evaporimeter 2 and the angle of horizontal plane, can aggravate like this from air outlet 13 problem of dripping.
Therefore, in order to address the above problem, according to the air conditioner room unit 100 of the embodiment of the present invention, in housing 1, and between evaporimeter 2 and the air inlet 311 of spiral case 31, water deflector is set, to utilize at least a portion condensed water that water deflector is blocked on evaporimeter 2 to drip to air inlet 311, whole condensed waters that even can shelter from evaporimeter 2 drip to air inlet 311.Therefore, by this water deflector is set, thereby can effectively solve air outlet 13 problem of dripping, reduce the pollution of condensed water to ground or furniture, avoid user for the cleaning of dripping, use convenient.
Here be understandable that, the structure of evaporimeter 2 in housing 1 can be arbitrarily, such as, evaporimeter 2 can be multi-segment structure, the schematic diagram of an example concrete air conditioner room unit 100 as shown in Figure 1, the evaporimeter 2 of this air conditioner room unit 100 is comprised of leading portion evaporimeter 22 and back segment evaporimeter 23 two parts.Wherein, water deflector can be located between leading portion evaporimeter 22 and air inlet 311 and drip to air inlet 311 with at least a portion condensed water blocking on leading portion evaporimeter 22, certainly water deflector also can be located between back segment evaporimeter 23 and air inlet 311 and drip to air inlet 311 with at least a portion condensed water blocking on back segment evaporimeter 23, or water deflector can two and be located at respectively leading portion evaporimeter 22 and air inlet 311 between, and between back segment evaporimeter 23 and air inlet 311 to block at least a portion condensed water on back segment evaporimeter 23 to air inlet 311 drippages.Here for convenience, below without specified otherwise in the situation that, all water deflector is located between back segment evaporimeter 23 and air inlet 311 and continues to describe according to the air conditioner room unit 100 of the embodiment of the present invention for example.
In some embodiments of the invention, water deflector is water fender 4, and water fender 4 is inclined relative to horizontal and is located on evaporimeter 2.Enlarged drawing as shown in Figure 2 of example, is understandable that " water fender 4 is inclined relative to horizontal " refers to, the cross section of water fender 4 is inclined relative to horizontal setting, in other words, water fender 4 with respect to the horizontal plane there is angle.
Particularly, as depicted in figs. 1 and 2, water fender 4 can comprise body 41 and installation portion 42.Installation portion 42 is located on the upper surface 411 of body 41, and installation portion 42 coordinates with evaporimeter 2 so that water fender 4 can be fixed to evaporimeter 2, and in other words, water fender 4 is fixed on evaporimeter 2 by installation portion 42.
Wherein, body 41 can be slab construction.Wherein, " slab construction " should make broad understanding, and the body 41 of water fender 4 can be tabular standard, straight, and the cross section of body 41 can be the rectangle of standard.Certainly, body 41 can also be to have the structures such as certain flanging, ladder, so that the cross section of body 41 is configured to strip structure substantially, example as shown in Figure 2.
Here be understandable that, body 41 can comprise the second segment 414 being connected with front end with first paragraph 413 with the first paragraph 413 of evaporimeter 2 almost parallels, preferably, between body 41 and evaporimeter 2, can there is the first predetermined angle, second segment 414 can and evaporimeter 2 between there is the first predetermined angle.In other words, between body 41 and evaporimeter 2, there is gap, that is to say, avoid body 41 to be close to completely on evaporimeter 2, make that body 41 is relative with evaporimeter 2 keeps apart, can reduce widely the backstop action of 4 pairs of Air Flows of water fender thus, reduce its impact on the air mass flow of air conditioner room unit 100, guarantee the more smooth and easy of Air Flow.Wherein, the arrow B in Fig. 1 shows and is provided with after water fender 4, enters the flow direction of the air of housing 1.
Alternatively, the scope of this first predetermined angle can be between 5 °-40 °.The scope that is the first predetermined angle between second segment 414 and evaporimeter 2 can be between 5 °-40 °.Here be understandable that, because body 41 can be to have the structures such as certain flanging, ladder, the first predetermined angle here can refer to the angular range roughly of evaporimeter 2 and body 41, for example, the second segment 414 that this first predetermined angle can be body 41 and first paragraph 413 next-door neighbour's parts and the angle of evaporimeter 2.
In optional embodiment more of the present invention, the rear portion of the body 41 of water fender 4 can be configured to upwards bending to form water-accepting part (scheming not shown), can be along body 41 to downstream to this water-accepting part from the water droplet of evaporimeter 2 drippage, and pass through water drainage part, for example drainpipe (scheming not shown), discharges housing 1.
Further alternatively, as shown in Figure 2, housing 1 is interior can also be provided with water receiving tank 11 to example, and the lower end of evaporimeter 2 and water fender 4 is all contained in this water receiving tank 11.Like this, the condensed water flowing downward along body 41 can finally flow in this water receiving tank 11, and by water drainage part, condensed water is discharged, for example, drainpipe can be connected to the bottom of this water receiving tank 11.Wherein, this water receiving tank 11 can limit jointly by the snail tongue 314 by spiral case 31 tops and the plate body at housing 1 rear portion.
Particularly, the lower surface 412 of body 41 can be provided with support member 43, and support member 43 is supported on the wall of water receiving tank 11, and for example support member 43 can be supported on the upper surface of snail tongue 314.By support member 43 is set, can make the installation of water fender 4 more stable.
Advantageously, support member 43 can comprise along on body 41 length directions, be intervally installed a plurality of protruding 431.As shown in Figure 4, by support member 43 being configured to the structure of projection 431, thereby can make support member 43 and snail tongue 314 upper surface contact contacting for point and face, point is little with the contact area specific surface of face and the contact area of face, therefore frictional force is also less, can fall widely thus while reducing air-conditioner operation, internals produces friction, the problem making a noise because expanding with heat and contract with cold.
More advantageously, the lower surface 412 of body 41 is provided with watertight composition 44.By watertight composition 44 is set, thereby can avoid body 41 due to nearer apart from evaporimeter 2, and cause the lower surface 412 of body 41 condensed water that freeze-outs.This watertight composition 44 can be pasted the formation such as flannelette, heat-preservation cotton on below body 41.In addition, by pasting flannelette, heat-preservation cotton etc., not only there is the effect of heat-insulation and heat-preservation, can also absorb the interior different sound in air channel 313, suppress the generation of wind wheel 32 different sounds.
In some embodiments of the invention, as shown in Figure 2, evaporimeter 2 has heat exchanger tube 21, and the installation portion 42 of water fender 4 can comprise between the first claw 421 and the second claw 422, the first claws 421 and the second claw 422 and is formed with the arc groove 423 coordinating with heat exchanger tube 21.That is to say, a heat exchanger tube 21 of evaporimeter 2 can be installed between the first claw 421 and the second claw 422, so that water fender 4 is fixed on heat exchanger.
Further, installation portion 42 can also comprise that the 3rd claw 424 and the 4th claw 425, the three claws 424 and the 4th claw 425 are engaged between adjacent two heat exchanger tubes 21 jointly.That is to say, the 3rd claw 424 and the 4th claw 425 can, by being installed between two heat exchanger tubes 21, be fixed on heat exchanger water fender 4.Wherein, the cross section of the part that the 3rd claw 424 contacts with heat exchanger tube 21 with the 4th claw 425 can be arc, to coordinate better with heat exchanger tube 21.
According to other configuration examples of the air conditioner room unit 100 of the embodiment of the present invention, if control panel etc. and operation are all known for ordinary skill person, no longer describe in detail here.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. an air conditioner room unit, is characterized in that, comprising:
Housing;
Evaporimeter, described evaporimeter is located in described housing and is inclined relative to horizontal setting;
Fan assembly, described fan assembly comprises spiral case and wind wheel, limits the air channel with air inlet and air outlet in described spiral case, described wind wheel is located in described spiral case; And
Water deflector, described water deflector is located in described housing and with at least a portion condensed water blocking on described evaporimeter, to described air inlet, drips between described evaporimeter and described air inlet.
2. air conditioner room unit according to claim 1, is characterized in that, described water deflector is water fender, and described water fender is inclined relative to horizontal and is located on described evaporimeter.
3. air conditioner room unit according to claim 2, is characterized in that, described water fender comprises:
Body; And
Installation portion, described installation portion is located on the upper surface of described body, and described installation portion coordinates so that described water fender is fixed to described evaporimeter with described evaporimeter.
4. air conditioner room unit according to claim 3, is characterized in that, has the first predetermined angle between described body and described evaporimeter, and the scope of described the first predetermined angle is between 5 °-40 °.
5. air conditioner room unit according to claim 3, is characterized in that, described evaporimeter has heat exchanger tube,
Described installation portion comprises the first claw and the second claw, between described the first claw and described the second claw, is formed with the arc groove coordinating with described heat exchanger tube.
6. air conditioner room unit according to claim 3, is characterized in that, described installation portion comprises the 3rd claw and the 4th claw, and described the 3rd claw and described the 4th claw are engaged between adjacent two heat exchanger tubes jointly.
7. air conditioner room unit according to claim 2, is characterized in that, in described housing, is provided with water receiving tank, and the lower end of described evaporimeter and described water fender is all contained in described water receiving tank.
8. air conditioner room unit according to claim 7, is characterized in that, the lower surface of described body is provided with support member, and described supports support is on the wall of described water receiving tank.
9. air conditioner room unit according to claim 8, is characterized in that, described support member comprises a plurality of projections that are intervally installed along in described body length direction.
10. according to the air conditioner room unit described in claim 3, it is characterized in that, the lower surface of described body is provided with watertight composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310167782.3A CN104141984A (en) | 2013-05-08 | 2013-05-08 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310167782.3A CN104141984A (en) | 2013-05-08 | 2013-05-08 | Indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104141984A true CN104141984A (en) | 2014-11-12 |
Family
ID=51851245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310167782.3A Pending CN104141984A (en) | 2013-05-08 | 2013-05-08 | Indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104141984A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969550A (en) * | 2017-05-27 | 2017-07-21 | 广东美的制冷设备有限公司 | Evaporator assemblies and the air conditioner room unit with it |
| CN107965894A (en) * | 2017-12-11 | 2018-04-27 | 珠海格力电器股份有限公司 | Air leakage prevention structure for indoor unit of air conditioner and air conditioner |
| CN110779109A (en) * | 2019-10-14 | 2020-02-11 | 江西清华泰豪三波电机有限公司 | Air conditioning system with fan waste heat recovery function and control method thereof |
| CN114738987A (en) * | 2022-06-08 | 2022-07-12 | 华德智慧能源管理(天津)有限公司 | Condensate water discharge device for heating and ventilation air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1175673A (en) * | 1996-08-26 | 1998-03-11 | 东芝株式会社 | Air conditioner |
| CN2307231Y (en) * | 1997-05-06 | 1999-02-10 | 广东美的集团股份有限公司 | Dash board for air conditioner evaporator condensed water |
| CN202835730U (en) * | 2012-09-10 | 2013-03-27 | 海尔集团公司 | Water fender for air conditioner internal unit |
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2013
- 2013-05-08 CN CN201310167782.3A patent/CN104141984A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175673A (en) * | 1996-08-26 | 1998-03-11 | 东芝株式会社 | Air conditioner |
| CN2307231Y (en) * | 1997-05-06 | 1999-02-10 | 广东美的集团股份有限公司 | Dash board for air conditioner evaporator condensed water |
| CN202835730U (en) * | 2012-09-10 | 2013-03-27 | 海尔集团公司 | Water fender for air conditioner internal unit |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969550A (en) * | 2017-05-27 | 2017-07-21 | 广东美的制冷设备有限公司 | Evaporator assemblies and the air conditioner room unit with it |
| CN106969550B (en) * | 2017-05-27 | 2024-03-19 | 广东美的制冷设备有限公司 | Evaporator assembly and air conditioner indoor unit with same |
| CN107965894A (en) * | 2017-12-11 | 2018-04-27 | 珠海格力电器股份有限公司 | Air leakage prevention structure for indoor unit of air conditioner and air conditioner |
| CN107965894B (en) * | 2017-12-11 | 2024-03-08 | 珠海格力电器股份有限公司 | Air conditioner indoor unit leak protection wind structure and air conditioner |
| CN110779109A (en) * | 2019-10-14 | 2020-02-11 | 江西清华泰豪三波电机有限公司 | Air conditioning system with fan waste heat recovery function and control method thereof |
| CN110779109B (en) * | 2019-10-14 | 2021-03-19 | 江西清华泰豪三波电机有限公司 | Air conditioning system with fan waste heat recovery function and control method thereof |
| CN114738987A (en) * | 2022-06-08 | 2022-07-12 | 华德智慧能源管理(天津)有限公司 | Condensate water discharge device for heating and ventilation air conditioner |
| CN114738987B (en) * | 2022-06-08 | 2022-08-26 | 华德智慧能源管理(天津)有限公司 | Condensate water discharge device for heating and ventilation air conditioner |
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Application publication date: 20141112 |
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