CN1165716C

CN1165716C - Air condtioner with water drainage pump

Info

Publication number: CN1165716C
Application number: CNB011159316A
Authority: CN
Inventors: 具亨谟
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2000-12-13
Filing date: 2001-05-31
Publication date: 2004-09-08
Anticipated expiration: 2021-05-31
Also published as: KR100361189B1; CN1358968A; JP2002195598A; KR20020047698A

Abstract

The invention provides an air conditioner having a drainage pump. This air conditioner has the drainage pump provided with a pump case having a suction opening which is dipped in a condensate in its bottom face and a discharge port in its side face, an impeller which is rotatably provided in the case, and a motor which drives the impeller. The drainage pump is also provided with a noise insulating member which wraps the external surface of the case so as to intercept the drive noise of the pump, and is further extended downward from the lower end of the suction opening and a check valve which is installed to the discharge port to prevent the reverse flow of a discharged condensate.

Description

The air conditioner that has draining pump

Technical field

The present invention relates to a kind of air conditioner that has draining pump, relate to a kind of air conditioner that has draining pump that reduces noise and prevent the discharge water refluence in detail.

Background technology

In general, the indoor set of air conditioner has the heat exchanger of generation cold air and the blowing fan of room air circulation.Heat exchanger in such indoor set is kept cold state by the phase change at the cold medium of internal flow.Hot-air that sucks from the interior space and cold heat exchanger are carried out heat exchange become cold air by driving blowing fan then, and then the supply interior space.

In addition, the indoor set of air conditioner, indoor hot-air and heat exchanger are being carried out in the process of heat exchange, owing to can generate condensed water, so be provided with the condensate draining of collecting and discharge the condensed water that flows out from heat exchanger in the bottom of heat exchanger on the surface of heat exchanger.Though the structure that the condensed water that is collected in the condensate draining is discharged naturally by the osculum that is formed on the condensate draining bottom is arranged, but when being enclosed in indoor set in the ceiling, when drainage condition is bad, will utilize draining pump that the condensed water that accumulates in the condensate draining is discharged by force.

Fig. 1 is the structure chart that has loaded draining pump in the indoor set of air conditioner in the past.As shown in the figure, draining pump 1 comprises, portion is formed with the pump box body 2 of pump chamber 3 and is arranged on the motor 5 on the rotatable impeller 4 and drives impeller 4 and fixed pump casing 2 in the pump chamber 3 of pump box body 2 within it.

For pump box body 2 is communicated with the pump chamber 3 of inside, be formed with suction inlet 6 in its underpart, and the side is formed with outlet 7, the suction inlet 6 of bottom is set up and is immersed in the condensed water underwater of collecting in the air conditioner condensate draining 8.And on the outlet 7 of pump box body 2, connecting the drainpipe 9 of the condensed water guiding air conditioner outside of discharging.In the condensate draining 8 of such air conditioner that draining pump 1 is housed, be provided with the water level inductor 10 that the water level of condensed water is responded to and the driving of draining pump 1 is controlled.

Draining pump in the past 1 with this spline structure, when the water level of learning condensed water by water level inductor 10 when ormal weight is above, connect power drives impellers 4 to motor 5, by impeller 4 condensed water is discharged.At this moment, the suction inlet 6 of condensed water by pump box body 2 that accumulates in the condensate draining 8 sucks, and discharges to the outside by outlet 7 and drainpipe 9 again.

But, have the draining pump in the past 1 of this spline structure, because the driving of impeller 4 of rotating with high speed in pump box body 2 discharged condensed water, noise just becomes very big problem so driving noise and fluid flow.

And draining pump 1 in the past when the water level of condensed water arrives the suction inlet 6 of pump box body 2, the phenomenon of the suction inlet 6 of pump box body 2 will occur water and air is drawn into together in the process of discharging condensed water, and this sucks noise also becomes very big problem.

And, draining pump 1 in the past, for preventing because the refluence that remains in condensed water in the drainpipe 9 makes overflowing of condensed water in the condensate draining 8, even when stopping to drive air conditioner, also will continue to drive draining pump 1 at the appointed time, so the driving noise is not only arranged, and also has the energy loss problem when driving draining pump 1.

Summary of the invention

The present invention is in order to address the above problem, and its purpose is to provide a kind of air conditioner that has draining pump, can not flow noise to impeller-driven noise and the fluid in pump box body inside to the transmission of pump box external body, and quietly turn round.

Another object of the present invention is to, do not pass air into pump box body suction inlet and do not suck noise.

Another purpose of the present invention is, when stopping draining pump being driven, the condensed water that remains in the drainpipe can not flow backwards.

For achieving the goal, the air conditioner that has draining pump of the present invention, have the draining pump of when carrying out heat exchange, the condensed water that produces being discharged and having the pump box body of establishing impeller in inside, it is characterized by, for reducing the driving noise of described draining pump, be provided with to wrap in the sound-insulating member of external of described pump box.

In addition, described draining pump, it is characterized by, described pump box body, be formed with the suction inlet of the immersion condensed water water surface in its underpart and be formed with outlet in its side, described sound-insulating member forms opening on the position corresponding to described suction inlet, form the part of described opening, further prolong downwards in the lower end of described suction inlet.

In addition, it is characterized by,, be provided with the detection valve for preventing to flow backwards from the condensed water that described outlet is discharged.

In addition, it is characterized by, described sound-insulating member is made in the outside of described pump box body and by telescopic elastomeric material for closely contacting.

Description of drawings

Fig. 1 is the cutaway view of air conditioner draining pump structure in the past.

Fig. 2 is for using pack into the stereogram of air conditioner of ceiling-type of draining pump of the present invention.

Fig. 3 is along the cutaway view of III-III line among Fig. 2.

Fig. 4 is air conditioner draining pump structure of the present invention and the cutaway view that structure is set.

Fig. 5 is the stereogram of air conditioner draining pump structure of the present invention.

Among the figure: 20-host housing, 21-circulation fan, 22-heat exchanger, the 24-condensate draining, 25-water level inductor, 30-ceiling board, the 40-draining pump, 41-pump box body, 42-pump box, the 43-impeller, 44-motor, 45-suction inlet, the 46-outlet, 47-drainpipe, 50-sound-insulating member, 60-detects valve, 61-jam plate.

The specific embodiment

Below, with reference to the accompanying drawings most preferred embodiment of the present invention is elaborated.

Use the indoor set of the air conditioner of the ceiling-type of packing into of the present invention, as shown in Figures 2 and 3, have the host housing 20 of putting into the long box-shaped that is arranged on ceiling 11 inside and encase to putting into the ceiling board 30 of the ceiling opening 12 that host housing 20 forms.

Side in the inside of host housing 20 is provided with and is that circulation room air, its length are arranged on host housing 20 length directions, drive the circulating fan 21 that is rotated by motor 23, in central authorities, and on host housing 20 length directions, be provided with the heat exchanger 22 of long distance.

On ceiling board 30, for the air that makes the interior space from circulating fan 21 1 side inflows, in the bottom of circulating fan 21 and along the length direction of host housing 20, be formed with a plurality of air suction inlets 31 that long distance is provided with, in air suction inlet 31 opposites one side, for the air that carried out heat exchange with heat exchanger 22 is discharged to the interior space again, be formed with a plurality of air outlets 32 that long distance is provided with.

In addition, bottom at heat exchanger 22, be provided with condensed water collection that will in heat exchanging process, generate and the condensate draining 24 of discharging, in the inside of condensate draining 24 1 sides, be provided with and force draining pump 40 of discharging and the water level that can respond to condensed water and control to drive the water level inductor 25 of draining pump 40 condensed water that is collected in the condensate draining 24.At this moment, can accumulate in draining pump 40 1 sides, the bottom surface of condensate draining 24 is formed to draining pump 40 lopsidedness for making the condensed water that flows out from heat exchanger 22.

Draining pump 40 as shown in Figure 4 and Figure 5, comprises the pump box body 41 that forms its inner pump chamber 42 and is arranged on rotatable impeller 43 in the pump chamber 42 of pump box body 41, and for drives impeller 43 and be fixed on motor 44 on the pump box body 41.And draining pump 40 also has the detection valve 60 that flows backwards for the condensed water that encases the set sound-insulating member 50 in pump box body 41 outsides and prevent to be discharged from except above-mentioned basic comprising.

If be elaborated, that is, pump box body 41 is made up of upper box 41a and lower box 41b, by the combination of upper box 41a and lower box 41b, forms the pump chamber 42 of discharging fluid.Be formed with the suction inlet 45 with pump chamber 42 internal communication in the bottom of lower box 41b, be formed with outlet 46 at its sidepiece.At this moment, the suction inlet 45 of lower box 41b is set to immerse in the condensation water surface that accumulates in the condensate draining 24, and is connected with on outlet 46 the drainpipe 47 of the condensed water guiding air conditioner outside of discharging.

Impeller 43 in the pump chamber 42 is for the condensed water that will flow into by the suction inlet 45 of pump box body 41 is discharged from the outlet 46 that the circumferencial direction at pump box body 41 forms, by the centrifugal fan of a plurality of blades with the tubular of radial setting constituted.Be arranged on the sound-insulating member 50 of pump box body 41 outsides, for encasing pump box body 41 outsides, be formed with profile corresponding shape with pump box body 41, when the outside with pump box body 41 combines, in order closely to contact the outside of pump box body 41, make with having specific thickness and flexible telescopic rubber or resin material.And, in the side of sound-insulating member 50, be formed with the drainpipe combined hole 52 that drainpipe 47 is passed, at an upper portion thereof, cover on the outside of pump box body 41 for making sound-insulating member 50, be formed with the last side opening 53 littler than pump box body 41 external diameters.With such structure, when sound-insulating member 50 is contained in the outside of pump box body 41, at first insert drainpipe 47 by drainpipe combined hole 52, then, stretch side opening 53, make sound-insulating member can cover on the outside of pump box body 41.After having adorned, will go up side opening 53 and tighten up once more in addition, sound-insulating member 50 is closely contacted with the outside of pump box body 41, and can prevent the noise that causes by vibration like this.

In addition, sound-insulating member 50, the part at the suction inlet 45 that forms pump box body 41 is formed with open lower side 51, makes the lower end of formed this open lower side 51, than the suction inlet 45 further prolongation downwards of length (L) in accordance with regulations of pump box body 41.This is because when the water level of the action condensed water that passes through draining pump 40 descends, draining pump 40 moves and suction inlet 45 lower ends of the pump box body 41 of margin line B down that arrive even the water level of condensed water arrives, and also can prevent the suction inlet 45 of air inflow pump casing 41 and prevent to produce noise.That is, the effect that the length of suction inlet 45 is prolonged to the bottom is played in the lower end of sound-insulating member 50.

Here, decision draining pump 40 action and stop the water level upper limit boundary line A and the following margin line B of condensed water constantly, decide by setting water level inductor 25, the present invention extends to suction inlet 45 by sound-insulating member 50 bottom of margin line B under the water level of condensed water, prevent to suck noise like this, have reliable soundproof effect.

Detect valve 60 and be set on the outlet 46 of pump box body 41, prevent from when the action of draining pump 40 stops, remaining in the refluence of the condensed water in the drainpipe 47.Such detection valve 60 as shown in Figure 4, is opened stream when draining pump 40 drainings, close closed channel when draining pump 40 stops, and is made of the jam plate 61 in the valve body 62 that is fixed in drainpipe 47 ways.That is, jam plate 61 has the structure of closing when adverse current hydraulic pressure is arranged.

Below, the action of air conditioner of the present invention with above structure is described.

When driving circulation fan 21, room air is inhaled into the inside of host housing 20 by the air suction inlet 31 of ceiling board 30, Yi Bian the air that is inhaled into carries out heat exchange and becomes cold air by heat exchanger 22 on one side.Then, heat exchanger 22 is supplied with the interior space with the cold air that finishes heat exchange once more by the air outlet 32 of ceiling board 30.

In the process of this action, on heat exchanger 22, the moisture that is contained in the air in the suction chamber is by contacts with cold heat exchanger 22 surfaces, the condensed water that generation is condensed, and condensed water flows down along heat exchanger 22, accumulates in the condensate draining 24 of bottom.Accumulate in the condensed water in the condensate draining 24, discharge to the outside by driving draining pump 40.At this moment, according to the water level information that is arranged on the water level inductor 25 in the condensate draining 24, the action of control draining pump 40.That is, water level inductor 25 is when the water level of condensed water arrives the upper limit boundary line A of designated water level, connect motor 44 power supplys, drive draining pump 40, when the water level of condensed water arrives the following margin line B (generally being positioned at the lower end of pump chamber) of designated water level, cut off the electricity supply, stop driving draining pump 40.

In addition, draining pump 40 is to be driven by motor 44 to make impeller 43 rotation at a high speed, discharges condensed water.At this moment, from the condensed water that the suction inlet 45 of pump box body 41 sucks, discharge from outlet 46 through the impeller 43 of pump box body 41 inside, the condensed water that is discharged from is discharged to the outside by drainpipe 47.Make the jam plate 61 that detects in the valve 60 lift and open by discharging fluid pressure, the condensed water that is discharged from is discharged smoothly.

When doing these actions, draining pump 40 of the present invention cuts off the noise of the impeller 43 that sends from pump box body 41 inside and the mobile noise of fluid by the sound-insulating member 50 that wraps in pump box body 41 outsides, so can prevent that noise from spilling to the outside.In addition, even because the action of draining pump 40 makes the water level of condensed water arrive margin line B under the general water level, also can prevent the suction of air and can not suck noise by the sound-insulating member 50 that prolongs to the bottom.

Then, when the water level of condensed water arrives margin line B down and when driving to draining pump 40 is stopped, owing to remain in the hydraulic pressure of the condensed water in the drainpipe 47 jam plate 61 that detects in the valve 60 closed, flow backwards with the condensed waters that prevent to remain in the drainpipe 47.

As mentioned above, the air conditioner that has draining pump of the present invention can cut off the driving noise of impeller and the mobile noise of fluid by the sound-insulating member that setting wraps in the pump box external body, so have quiet driving effect.

In addition, the present invention has obtained prolongation effect with suction inlet by further prolonging sound-insulating member in pump box body lower end to the bottom, so have the effect that can prevent the noise when suction inlet flows into air and prevent to suck.

In addition, the present invention when stopping to drive draining pump, is cut off by the detection valve that is arranged on outlet, and the residual condensed water that prevents to remain in the drainpipe flows backwards, so have the effect that can prevent that water overflows in the condensate draining.

Claims

1. air conditioner that has draining pump, have the draining pump that the condensed water that produces when the heat exchange can be discharged and had the pump box body of establishing impeller in inside, it is characterized in that, for reducing the driving noise of described draining pump, be provided with to wrap in the sound-insulating member of external of described pump box.

2. according to the described air conditioner that has draining pump of claim 1, it is characterized in that, described pump box body, be formed with the suction inlet of the immersion condensed water water surface in its underpart and be formed with outlet in its side, described sound-insulating member forms opening corresponding to the position of described suction inlet, form the part of described opening, further prolong downwards in described suction inlet lower end.

3. according to the described air conditioner that has draining pump of claim 2, it is characterized in that,, be provided with the detection valve for preventing to flow backwards from the condensed water that described outlet is discharged.

4. according to the described air conditioner that has draining pump of claim 1, it is characterized in that described sound-insulating member for closely contacting in the outside of described pump box body, is made by telescopic elastomeric material.