CN101268315A - Condensate drain hose arrangement for an evaporator unit - Google Patents

Condensate drain hose arrangement for an evaporator unit Download PDF

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Publication number
CN101268315A
CN101268315A CNA2005800512070A CN200580051207A CN101268315A CN 101268315 A CN101268315 A CN 101268315A CN A2005800512070 A CNA2005800512070 A CN A2005800512070A CN 200580051207 A CN200580051207 A CN 200580051207A CN 101268315 A CN101268315 A CN 101268315A
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CN
China
Prior art keywords
unit
evaporator
condensate
water leg
drain pan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2005800512070A
Other languages
Chinese (zh)
Inventor
L·d·L·莫雷斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carrier Corp
Original Assignee
Carrier Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carrier Corp filed Critical Carrier Corp
Publication of CN101268315A publication Critical patent/CN101268315A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/30—Condensation of water from cooled air

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

An evaporator unit having a blower and an evaporator coil is provided with a condensate drain pan which is so structured and located as to enable the collection of condensate forming on the evaporator coil when the unit is placed in either a vertical or horizontal orientation. A drainage element provides fluid communication from the drain pan to tubing for conducting the flow of condensate from the unit. The unit housing has openings in a bottom end wall and a back wall such that the tubing can be selectively passed through the appropriate opening to accommodate the respective horizontal or the vertical orientation. In installations where gravity is not sufficient to provide the necessary drainage, a pump is provided within the tubing arrangement. A sump and an associated sensor is provided to activate and deactivate the pump on a selective basis.

Description

The condensate drain hose arrangement that is used for evaporator unit
Technical field
The present invention is broadly directed to the evaporator unit that is used for air-conditioning system, particularly, relates to a kind of condensate drainage arrangement that is used for evaporator unit, and it is suitable for being installed on horizontal direction or the vertical direction.
Technical background
In many air-conditionings, warmer and ventilating system, the air of being regulated is entered the inner space by air distribution unit or air-conditioning unit.A kind of air-conditioning system of general type (being commonly referred to as the branch system) for example comprises the indoor unit and the outdoor unit of separation.Outdoor unit comprises compressor, heat exchanger and fan.Indoor unit comprises heat exchanger and fan and is called as evaporator unit.At work, indoor fan sucks evaporator unit to air, by its air inlet, and forces air through over-heat-exchanger, shifts out evaporator unit then, by its gas outlet.
Outdoor fan makes outdoor air inspiration outdoor unit it in the outdoor heat converter cocycle, allows it get back in the external environment then.Simultaneously, compressor causes refrigerant liquid to cycle through this indoor/outdoor heat exchangers and circulates between them.Cold-producing medium is from absorbing heat so that air cools off through the air of over-heat-exchanger in indoor heat converter.Simultaneously, in outdoor heat converter, from the cold-producing medium, absorb heat through the there through the air of over-heat-exchanger.
The manufacturing of such split-type air conditioner unit typically has very large-scale refrigerating capacity.In making such unit, especially when this unit became big, the manufacturing of various parts and assembling became complicated and trouble.Typically, this unit is big more, and the parts that need are just many more and need more fastener so that all parts are assembled up.Extremely need to reduce make and assembling process in the quantity of needed parts and fastener.
The further benefit of utilizing such air-conditioning unit to regulate room air is that unwanted moisture has been removed in the air when cooled air passes through indoor heat converter.This dehumidifying causes gathering of water, because moisture condenses on the coil pipe of cold indoor heat converter.Therefore need to collect the moisture removed and it is transferred to suitable process points.
Usually, the indoor unit of split-type air conditioner machine is installed on the floor in room, against the wall in room.Yet wish in some cases indoor unit is put into other place, for example on the ceiling in room.Will be appreciated that, on the position that indoor unit can be installed in or above-mentioned floor type is installed or on the ceiling-type position of installing, however the condensate of still needing to collect from this unit.
The indoor unit of installing as console mode, ceiling-type or wall-hanging that is used for air-conditioning system is to have done to show and introduce in 6,321,556 the United States Patent (USP) at sequence number.Yet this unit of introducing in this patent comprises two different condensate drain pan, to adapt to various installation possibilities.
Summary of the invention
A kind of evaporator unit that is used for air-conditioning system comprises the shell that has rear board and define the anterior part of air intlet and air outlet slit.This shell defines the inlet air flow path (extending to outlet from import) of passing this unit.Evaporator coil is supported in the shell and is arranged in inlet air flow path.This unit comprises evaporator fan so that air flows and passes evaporator coil along this inlet air flow path---here air be cooled and moisture by from wherein getting rid of, produce condensation.
Be provided with single drain pan to collect condensate, this drain pan structure also is oriented, no matter make condensate to collect therein---and this unit is positioned at vertical direction or horizontal direction.Drainage arrangement is attached on the drain pan like this, that is, makes that this device is lower than drain pan all the time no matter this unit is oriented on vertical direction or the horizontal direction.Shell has end wall and rear wall, and it all has opening separately.Pipeline system (tubing) is attached on the drainage component and selectively by one of opening, is communicated with the fluid that a certain position from the drain pan to the housing exterior is provided.In installation, some place only depends on that gravity can not be from the pipeline system draining, thereby is provided with condensate pump.Also be provided with water leg and sensor correspondingly to start this pump.
The accompanying drawing summary:
Fig. 1 has shown the perspective view according to evaporator unit of the present invention.
Fig. 2 has shown the side view that is installed in the evaporator unit on the ceiling.
Fig. 3 has shown the side view of the evaporator unit that is installed in the wall base portion.
Fig. 4 has shown the end perspective view that is installed in the unit on the ceiling, has wherein shown its right side and has removed end cap.
Fig. 5 has shown the end perspective view of the unit that is installed in the wall lower, has wherein removed end cap.
Fig. 6 has shown the end cross-section that is installed in the unit on the ceiling that has condensate pump.
Fig. 7 has shown the fragmentary, perspective view of a unit shown in Figure 6 part, has wherein removed water leg.
Fig. 8 has shown the fragmentary, perspective view of a unit shown in Figure 6 part, has wherein removed sump/sensor.
Detailed Description Of The Invention
Evaporator unit entity of the present invention is with label 11 marks, and its rear side 12 is installed against the lower part of wall and close floor.As what will see, such system can alternatively flatly install, and makes the ceiling of its rear side 12 against the room.Yet, be convenient and describe, this unit 11 be described as have front side 13, top 14, left end 16, right part 17 and bottom 18.Comprise air intake grid (grill) 19 on front side 13, the air by its room sucks to regulate.14 are provided with exhaust port 21 at the top, are used for the air that air-conditioning was handled is discharged in the room.
Fig. 2 has shown the evaporator unit 11 that level is installed, and its rear side 12 is installed on the ceiling 22 and its bottom 18 sidewalls 23 against the room.Similarly, shown the unit 11 of vertical installation in Fig. 3, its rear side 12 is reclining, and wall 23 is provided with and its bottom 18 is provided with near floor 24.
Will be appreciated that except cooling air, evaporator unit often comes the air dewetting handled to air-conditioning by remove moisture from air.The reason of this generation is that condensate trends towards being formed on the colder relatively coil pipe, and condensate trends towards the drain pan below the flow direction under the effect of gravity is arranged on it.Therefore must handle the condensate that is collected in the drain pan rightly.Usually this will make it to flow to outdoor the realization by the condensate of conducts liquid.For as shown in Figure 2 ceiling-type unit or wall-hanging unit as shown in Figure 3, best implementation is that (fluidly) is connected to condenser pipe on the drain pan by fluidly, makes it flow through sidewall and arrives outside or flow to sidewall and lead to externally ported downwards.Among Fig. 2, shown condenser pipe 26 passes the bottom 18 of unit 11.In Fig. 3, shown condenser pipe 27 passes the rear side 12 of unit 11.
With reference now to Fig. 3,, the right part 17 of shown evaporator unit exposes, also be about to its right end cap and remove, comprise cold-producing medium tube connector 29 (it provides the part that fluid is communicated to the circuit of the pipeline system that is positioned at heat exchanger inside) to show components inside 28 and some internal parts.Condenser pipe 26 (on its position below the unit being installed in ceiling time, be used for the discharging from the condensate of condensate pan) portion's end within it is connected to each other with discharge conduit 31, and discharge conduit 31 fluidly interconnects with drain pan 32 successively.Here, will see that unit bottom 18 has the opening 33 that is formed at wherein, is used to make condenser pipe 26 therefrom to pass through.Opening 33 can be located in all unit, and can use in the embodiment shown in fig. 4, if perhaps can keep as the space of opening as shown in Figure 5---and the mobile of condensate taked and different another kind of route shown in Figure 5.
In the embodiment of Fig. 5, unit rear side 12 is placed against the sidewall in room, discharge conduit 31 fluidly interconnects with drain pan 32 once more, but pipeline system 34 fluidly interconnects with ell 36, and horizontal tube 37 is passed in opening 38 in the rear side 12 fluidly to be connected with condenser pipe 27.Opening 38 as opening 33, is formed in the unit of each manufacturing, and both can use like that by embodiment as shown in Figure 5, also can be retained in like that on the untapped position by embodiment as shown in Figure 4.
The alternative that has shown the ceiling-type unit in Fig. 6 has wherein shown the relation between evaporator coil 39 and the drain pan 32.Drain pan 32 is arranged on evaporator coil 39 belows, and the feasible condensate that is formed on the evaporator coil 39 flows to drain pan 32 and accumulates in the liquid storage tank 41 under the gravity effect, and is discharged to therefrom in discharge conduit 31 and the pipeline system 34.Yet in this example, special installation configuration does not allow only to pass through the simple draining of gravity, therefore must have mechanical device and be used for condensate is extracted out and is extracted into the drainage system from this unit.Pipeline system 34 fluidly is connected on the sump/sensor, fluidly is connected with inlet tube 43, pump 44 and outlet 46 and delivery pipe 47 again then.
At work, when condensate accumulated in the liquid reservoir 41, it arrived sump/sensor 42 by discharge conduit 31 and pipeline system 34.When the water level of sump/sensor 42 arrived certain altitude, sensor started pump 44, and then pump 44 extraction condensates make it pass through inlet tube and it is discharged from outlet 46, so that it is then discharged from drainpipe 47.When the height of the condensate in the sump/sensor is reduced to certain altitude when following, pump 44 is just cut off automatically, and keeps closed condition to bring up to once more up to the height of condensate making on the point that pump 44 starts once more.
As indicated above, prevailing installation configuration does not need sump/sensor 42 or pump 44.Yet for convenience such sump/sensor 42 and the A/C of pump 44 install (when needs), allow to carry out the simple installation of these auxiliary units by the assembler.This realizes by provide the structural support body on the inner surface 48 of components inside 49, as shown in Figure 7.Here, be provided with a pair of that separate, flexible finger piece 51 and 52, pump 44 is linked in the middle of them.This flexible finger piece 51 and finger piece 52 have keeper 53 and keeper 54 separately, and it is inwardly outstanding toward each other as shown in the figure.For pump 44 is installed, can be very simply that finger piece 51 and finger piece 52 is outwardly-bent with on the correct position that snaps over pump 44, and keeper 53 and keeper 54 are clamped in it on the installation site.
Fig. 8 has shown and utilizes supporting structure so that a kind of different setting of sump/sensor to be installed.Here, be provided with many rib shape flanges 56,57 and 58 and a pair of side belt 59 and 61, be used for the downside that cradle-type ground jointly holds up sump/sensor 42.Also be provided with belt or other simple securing member 62, thereby so that sump/sensor 42 is wrapped up on the installation site that is fixed in it.

Claims (16)

1, a kind of A/C evaporator unit, it has evaporator coil and is used to collect the drain pan that is formed on the condensate on the described coil pipe, and described unit is suitable for selectively laying along the direction of roughly vertical direction or approximate horizontal; Comprise:
Shell, it comprises described evaporator coil and described drain pan, and described shell has bottom end wall and rear wall, and has opening separately on described bottom end wall and the described rear wall;
Drainage component, it is connected on the described drain pan like this, makes when it is positioned at horizontal direction or vertical direction in described unit to compare with described drain pan to be positioned on the lower horizontal level always; And
Pipeline system, it is connected with described drainage component, and selectively is communicated with so that the fluid from described drain pan to a certain position of described housing exterior to be provided by one of described opening.
2, A/C evaporator according to claim 1 unit is characterized in that, described unit is placed in the horizontal direction, and described pipeline directly leads to described bottom end opening from described drainage component.
3, A/C evaporator according to claim 1 unit, it is characterized in that, in the vertical direction is placed in described unit, and described pipeline comprises ell, and it allows described pipeline system downwards by described drainage component and then extend back and pass described rear wall openings.
4, A/C evaporator according to claim 1 unit is characterized in that described A/C evaporator unit also comprises the pump that is associated with described pipeline system, so that condensate is released from described unit.
5, A/C evaporator according to claim 4 unit, it is characterized in that, described A/C evaporator unit comprises the water leg that fluidly is connected between described drainage component and the described pump, described water leg is suitable for collecting condensate, and described pump is suitable for condensate is extracted out from described water leg.
6, A/C evaporator according to claim 5 unit, it is characterized in that, described A/C evaporator unit comprises the sensor that is positioned in the described water leg, amount with condensate in the described water leg of sensing, and correspondingly start and the described pump of stopping using, so that the liquid level of condensate in the described water leg is controlled.
7, A/C evaporator according to claim 4 unit is characterized in that, described shell comprises hasp in configuration is installed, be used for described pump is installed to described shell.
8, A/C evaporator according to claim 5 unit is characterized in that, described shell comprises hasp in configuration is installed, be used to insert described water leg.
9, a kind of A/C evaporator unit, have and be easy to make evaporator coil that condensate forms and the drain pan that is used for collecting the condensate that drips down thereon from evaporator coil, described unit is suitable for installing with being configured on the ceiling of approximate horizontal, perhaps install against sidewall, comprise with roughly vertical configuration;
Shell, it has rear side and bottom, and wherein said rear side is used for being provided with against ceiling or sidewall, and described bottom is used for against sidewall or near room floor being provided with;
The condensate drainage openings, it is formed in described rear side and the described bottom; And
Pipeline system, it can optionally be installed, so that the flowability sign that arrives and pass one of described opening from described drain pan to be provided.
10, A/C evaporator according to claim 9 unit is characterized in that, described unit is placed in the horizontal direction, and described pipeline directly is positioned at the condensate drainage openings of described bottom by arrival from described drain pan.
11, A/C evaporator according to claim 9 unit, it is characterized in that, in the vertical direction is placed in described unit, and described pipeline comprises ell, and it allows described pipeline system also then to extend back by described drain pan downwards and passes the condensate drainage openings that is arranged in described rear wall.
12, A/C evaporator according to claim 9 unit is characterized in that described A/C evaporator unit also comprises the pump that is associated with described pipeline system, so that condensate is released from described unit.
13, A/C evaporator according to claim 12 unit, it is characterized in that, described A/C evaporator unit comprises the water leg that fluidly is connected between described drain pan and the described pump, described water leg is suitable for collecting condensate, and described pump is suitable for condensate is extracted out from described water leg.
14, A/C evaporator according to claim 13 unit, it is characterized in that, described A/C evaporator unit comprises the sensor that is arranged in described water leg, the amount that is used for the condensate of the described water leg of sensing, and correspondingly start and the described pump of stopping using, so that the liquid level of the condensate in the described water leg is controlled.
15, A/C evaporator according to claim 12 unit is characterized in that, described A/C evaporator unit also comprises the hasp that is positioned on the described shell in configuration is installed, to insert described pump.
16, A/C evaporator according to claim 13 unit is characterized in that, described A/C evaporator unit also comprises hasp in configuration is installed, to insert described water leg.
CNA2005800512070A 2005-07-29 2005-07-29 Condensate drain hose arrangement for an evaporator unit Pending CN101268315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2005/000148 WO2007012157A1 (en) 2005-07-29 2005-07-29 Condensate drain hose arrangement for an evaporator unit

Publications (1)

Publication Number Publication Date
CN101268315A true CN101268315A (en) 2008-09-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2005800512070A Pending CN101268315A (en) 2005-07-29 2005-07-29 Condensate drain hose arrangement for an evaporator unit

Country Status (5)

Country Link
EP (1) EP1910755A4 (en)
KR (1) KR100947165B1 (en)
CN (1) CN101268315A (en)
BR (1) BRPI0520442A2 (en)
WO (1) WO2007012157A1 (en)

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KR20130048305A (en) * 2011-11-02 2013-05-10 삼성전자주식회사 Air conditioner
JP6218685B2 (en) * 2013-10-16 2017-10-25 三菱電機株式会社 Installation device for floor-standing air conditioner and air conditioning system using the same
KR102004047B1 (en) * 2017-10-23 2019-07-25 엘지전자 주식회사 A tray drip fir compact machine compartment and a refrigerator using the same
EP3473954B1 (en) * 2017-10-23 2020-04-29 LG Electronics Inc. Assembly set including drip tray for a compact machine compartment and refrigerator using a drip tray
US11549720B2 (en) 2018-08-02 2023-01-10 Emerson Climate Technologies, Inc. Refrigeration system having drain pan
US11674741B2 (en) 2019-12-20 2023-06-13 Johnson Controls Tyco IP Holdings LLP Drain spout for drain of HVAC system

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Also Published As

Publication number Publication date
WO2007012157A1 (en) 2007-02-01
KR100947165B1 (en) 2010-03-12
EP1910755A4 (en) 2011-10-26
KR20080017478A (en) 2008-02-26
EP1910755A1 (en) 2008-04-16
BRPI0520442A2 (en) 2009-06-13

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