CN1206814A

CN1206814A - air conditioner

Info

Publication number: CN1206814A
Application number: CN98103060A
Authority: CN
Inventors: 姜东昱; 朱正源; 白贤三
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 1997-07-24
Filing date: 1998-07-23
Publication date: 1999-02-03
Anticipated expiration: 2018-07-23
Also published as: CN1114802C

Abstract

The invention relates to an air conditioner, which comprises: a housing with an inlet and an outlet; a blower arranged in the housing for sending air from the inlet to the outlet; a heat exchanger arranged in the housing; a a stepping motor provided in the housing; an entrance door that opens/closes the entrance according to the operating state of the stepping motor. The entrance door includes an entrance part, a closing part and an opening part, and is arranged at the entrance part of the casing, and the entrance/exit part is at the entrance position according to the running state of the stepping motor.

Description

Air-conditioner

The present invention relates to a kind of air-conditioner, more particularly, relate to a kind of air-conditioner that is provided with the device of open and close air-conditioner inlet.

Fig. 1 and Fig. 2 are respectively the front view and the vertical sectional view of existing air-conditioner.Existing air-conditioner plays a part to reduce indoor temperature, as shown in the figure, it generally includes: a shell 10,3 and one outlet 4 of one inlet is arranged in the front of shell, also comprise fuselage 1 and front panel 2, the outlet grid 5 that forms at outlet 4 places, flase floor 6 and the entry grates 7 that forms at inlet 3 places, be located at the air blast 9 and the blower motor 8 of shell 10 inside, and be arranged on shell 10 inside, work to reduce entering the heat exchanger 11 of the air themperature of shell 10 by inlet 3.

After air-conditioner was chosen to be the type of cooling, heat exchanger 11 just got into smooth, and blower motor 8 also starts, and air blast 9 is rotated, and air is sucked shell 10.So warm air enters shell 10 by inlet 3, becomes cold air by heat exchanger 11.Then, cold air is discharged shell from exporting 4, makes the room cooling.Flase floor 6 is hinged on the front panel bottom, and this does not show in the drawings.In order to filter dust and dirt, on the inner surface of flase floor 6, be provided with an air cleaner, can take off and clean.

But existing air-conditioner has a defective, even exactly when machine does not start, outlet 3 is also opened wide, and makes dust and dirt pile up on shell, flase floor and air cleaner.

Purpose of the present invention just provides a kind of air-conditioner, and its inlet is closed when machine does not start.

For reaching this purpose, air-conditioner of the present invention comprises: one have into/outlet housing; An air blast that is arranged in the described shell is delivered to outlet to air from inlet; A heat exchanger that is arranged in the described shell; A motor that is arranged in the described shell; An entrance door that is arranged on the described housing, be used for ON/OFF inlet, wherein, this entrance door has an intake section, a closing section and an opening portion, and according to the rotation situation of above-mentioned motor above-mentioned intake section or closing section is positioned on the above-mentioned entry position.

Feature of the present invention just is above-mentioned entrance door.According to the present invention, a kind of air-conditioner is provided, it has the entrance door that is the triangular column.On its three sides intake section, closing section and opening portion are arranged respectively, wherein, its upper surface is hinged on the described shell, and lower surface is bound up on the described motor, makes described entrance door to rotate along with the working order of described motor.

According to the present invention, a kind of air-conditioner that strengthens cooling effect is provided, wherein, described shell also is provided with another inlet in the side.

Below, describe embodiments of the invention in detail with reference to accompanying drawing.In the accompanying drawing:

Fig. 1 is the front view of existing air-conditioner;

Fig. 2 is the vertical sectional view of air-conditioner shown in Figure 1;

Fig. 3 A is the stereogram according to air-conditioner of the present invention;

Fig. 3 B is the exploded view of the entrance door among the present invention;

Fig. 3 C represents the inner surface of the intake section of entrance door;

Fig. 4 is when inlet is closed by entrance door, along the cutaway view of the horizontal plane of Fig. 3 A;

Fig. 5 is when inlet is opened by entrance door, along the cutaway view of the horizontal plane of Fig. 3 A;

Fig. 6 A is the stereogram of second embodiment of the invention;

Fig. 6 B is the stereogram of second second inlet of implementing;

Fig. 6 C is the cutaway view along the horizontal plane of Fig. 6 A.

Shown in Fig. 3 A, 3B and 3C, the first embodiment of the present invention comprises a shell 20, and this shell has 23 and outlets 24 of first inlet on front surface, and comprises: a fuselage 21 and a front panel 22; The entrance door 30 of one fan ON/OFF inlet, this entrance door includes notch portion I, closing section II and opening portion III, and be arranged on the inlet position of shell 20, when running, be positioned at first inlet, 23 places of shell 20 along with turning handle intake section I that is contained in the stepping motor 36 in the shell 20 or closing section II; An outlet grid 25 that is contained in the outlet 24; A blower motor 26 and an air blast 27 shown in Fig. 4,5, are delivered to outlet 24 to the air in the shell from first inlet 23 during their runnings; And a heat exchanger 28 that is contained in the shell 20, its function is the warm air that cooling sucks in the shell 20 by first inlet 23.

Shown in Fig. 3 B, this embodiment of the present invention is characterised in that entrance door 30.This entrance door comprises a triangular prism shaped framework 31, this framework has import grid 37 at its inlet part I place, its opening portion III and closing section II open wide, and a closure plate 32 is hinged on this framework 31, in order to close the closing section II of this framework 31.The upper surface of this framework 31 and front panel 22 are hinged, and its lower surface connects mutually with the rotating shaft of stepping motor 36.Like this, entrance door 30 just rotates along with the ruuning situation of stepping motor 36.

In framework 31, a border ledge 38 is being arranged respectively between opening portion III and the intake section I and between opening portion III and closing section II.When entrance door stopped operating, shown in Figure 4 and 5, one of them border ledge 38 just contacted with the inner surface of front panel 22, thereby blocked the space between entrance door 30 and the front panel 22.Two hinges 33 are arranged on the closure plate 32, and there is twice groove 39 at place, corresponding hinge place on framework 31, and like this, closure plate 32 just connects with framework 31, so that the opening plywood.

In addition, two dead bolts 34 are arranged on closure plate 32, and on framework 31, one with holes 41 snap close 42 is arranged respectively with these two dead bolts, 34 corresponding positions.As the switching device of lock, when closure plate 32 is closed, push this closure plate 32 snap close 42 is separated with dead bolt 34; When then pushing this closure plate 32 again, both just lock together again, close the closing section II of framework 31.The diameter of dead bolt 34 ends like this, just can not thrown off when dead bolt 34 and snap close 42 combine greater than the diameter of main part.

The inner surface of the intake section I of Fig. 3 C display frame 31.As shown in the figure, on the inner surface of the intake section I of framework 31, two guiders 40 that respectively carry gathering sill 41 are arranged,, make it and guider 40 connects so that air cleaner 35 is inserted in the guiders 40.

The running of above-mentioned air-conditioner is as follows:

As shown in Figure 4, when air-conditioner did not start, the closing section II of entrance door 30 was positioned at first inlet 23 places and it is closed.Like this, dust and dirt are blocked in outside the shell 20; And because entry grates 37 is in the inside of shell, so dust and dirt can not piled up on it yet.

As shown in Figure 5, when air-conditioner is selected the type of cooling, its just work of heat exchanger 28, blower motor 26 also starts simultaneously, makes air blast 27 rotations.Meanwhile, the driving signal that stepping motor 36 is also sent by a control device (not shown in the diagram) and starting drives the entrance door 30 that the rotating shaft with this stepping motor links together and turns clockwise.So the intake section I of entrance door 30 just is positioned at first inlet, 23 places, the hot-air in the room just enters shell 20 by first inlet.Subsequently, hot-air is cooled to cold air by heat exchanger 28, relends the air blast 27 that helps rotation and by exporting 24 cold air is discharged shell 20, makes indoorly to become nice and cool.

When air-conditioner is selected when closing mode, blower motor 26 and heat exchanger 28 shut down, and stepping motor 36 is started by control device simultaneously, drives entrance door 30 rotation counterclockwise.So as shown in Figure 4, the closing section II of entrance door 30 is positioned at first inlet, 23 places, makes first entrance door, 23 closures.

At this moment, separate with entrance door 30, push closure plate 32 in order to make air cleaner 35.Then, air cleaner 35 is pulled out from guider 40.Behind replacing or cleaned air cleaner 35, again it is inserted guider, combine with framework 31.After this, closure plate 32 closures, and dead bolt 34 is inserted in the hole 41 of snap close 42, and closure plate 32 and framework 31 are bound up.

Border ledge 38 has determined the scope of entrance door 30 rotations, and has eliminated the step difference between entrance door 30 and the front panel 22, has blocked the space shown in Fig. 4,5.

As mentioned above, when air-conditioner did not start, first inlet, the 23 closing section II by entrance door 30 closed.Like this, dust and dirt just can not enter shell 20, thereby have reduced the necessity of cleaning shell 20 inside and entry grates 37.

Fig. 6 A, 6B and 6C represent the second embodiment of the present invention.The place that this embodiment is different from last embodiment is that it also has second inlet 50 in a side of shell 20.Below, still represent with the member that last embodiment is similar with identical label.Shown in Fig. 6 B, can be hinged on second porch of shell 20 for making flase floor 51 with entry grates 63, this shell has twice groove 55, and there are two hinges 53 in the place corresponding with it on flase floor 51.Two guiders 52 that have gathering sill 61 are arranged, in order to two air cleaners 60 are tied on the inner surface of flase floor 51.On flase floor 51, be provided with a baffle plate 59, prevent that filter 60 from also then gliding after inserting fully.

Second porch at shell 20 forms a snap close 56 that has hole 57, and dead bolt 62 place corresponding with this lock and 56 on flase floor 51 forms.When flase floor 51 closures, in dead bolt 62 patchholes 57, flase floor 51 and shell 20 are tied.

In the present embodiment and since shell many one second inlet 50, shown in Fig. 6 C, more air is inhaled in the shell 20, thereby has utilized in the heat exchanger 28 unemployed part in last embodiment, has strengthened cooling effect.

Though top is described the preferred embodiments of the present invention, to one skilled in the art, under the prerequisite that does not depart from inventive concept of the present invention, can make all improvement to the present invention.Therefore protection scope of the present invention should be decided by claims.

Claims

1. An air conditioner comprising:

a shell with one inlet and one outlet;

a blower disposed within said housing, the blower directing air from the inlet to the outlet;

a heat exchanger disposed within said housing;

an electric motor disposed within said housing; and

an entrance door provided on the housing for opening/closing the entrance, wherein the entrance door has an entrance portion, a closing portion and an opening portion, and operates the One of the entry portion or the closure portion is positioned at the entry location.

2. The air conditioner according to claim 1, wherein the entrance door is in the shape of a triangular prism, and its three side surfaces are respectively an entrance, a closing portion and an opening portion, and its upper surface is hinged to the casing, The lower surface is connected to the motor so that the entry door can rotate according to the operation of the motor.

3. The air conditioner according to claim 2, wherein the upper and lower surfaces of the entrance door are equilateral triangles.

4. The air conditioner according to claim 1, wherein boundary protrusions are formed between the opening portion and the entrance portion of the entrance door and between the opening portion and the closing portion, respectively, to determine the opening of the entrance door. operating limit.

5. The air conditioner according to claim 1, wherein the entrance door comprises:

a triangular prism-shaped frame with closed, inlet and open portions on three sides, a guide is provided on the inner surface of said inlet portion to combine an air filter with the inlet portion; and

A closure plate hinged to said frame for opening/closing said closure portion.

6. The air conditioner according to claim 5, characterized in that a lock with a hole is formed on the frame, and a lock tongue is formed on the closing plate to combine the closing plate with the frame together.

7. The air conditioner according to claim 1, wherein said housing has another inlet.

8. An air conditioner as claimed in claim 7, further comprising a grille plate hinged to another inlet portion on said housing, and having a guide on its inner surface so that an air The filter is combined with the guide.

9. The air conditioner according to claim 8, wherein a baffle is formed on said grill plate thereof so as to limit the movement of said air filter when said air filter is fully combined with said guider .

10. The air conditioner according to claim 8, characterized in that a lock with a hole is formed on the other inlet part of the housing, and a lock is provided on the grill plate at a position corresponding to the lock. Tongues, thereby coupling the grille plate to the housing.