CN1218891A - Indoor machine of air conditioner - Google Patents

Indoor machine of air conditioner Download PDF

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Publication number
CN1218891A
CN1218891A CN98116796A CN98116796A CN1218891A CN 1218891 A CN1218891 A CN 1218891A CN 98116796 A CN98116796 A CN 98116796A CN 98116796 A CN98116796 A CN 98116796A CN 1218891 A CN1218891 A CN 1218891A
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CN
China
Prior art keywords
cover
air
closing device
air conditioner
suction inlet
Prior art date
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Granted
Application number
CN98116796A
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Chinese (zh)
Other versions
CN1134618C (en
Inventor
徐祥镐
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CN1218891A publication Critical patent/CN1218891A/en
Application granted granted Critical
Publication of CN1134618C publication Critical patent/CN1134618C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1486Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by bearings, pivots or hinges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise

Abstract

An indoor machine of air conditioner in which an open/close device for suction port and discharge port can prevent other things flow in a cover when the air conditioner is not being used and can improve the cooling efficiency of the heat exchanger and the cool gas discharging, and the machine has a fine appearance. The indoor machine of air conditioner comprises a cover 10, a fan 20, a heat exchanger 30, a suction port opening/closing device and a discharge port opening/closing device. The suction port opening/closing device is composed of a triangle bar shape main body 50 and a suction grille 53; the discharge port opening/closing device is composed of an obstruction plate 40, a swiveling lever 42 and a connecting member 43.

Description

Air conditioner indoor unit
The invention relates to air conditioner, the opening and closing device of saying so in more detail and opening and closing about air suction inlet and outlet to air conditioner indoor unit.
Generally, the effect of air conditioner is: indoor hot-air is sucked in such high temperature season in summer, makes its cooling by heat exchange action, and then be discharged to indoor, thereby to the indoor air temperature adjusting that suit.
Air conditioner moves pipe by indoor set, off-premises station and cold-producing medium and constitutes, and wherein indoor set is located at indoorly, and air is carried out cool cycles; Off-premises station is located at outdoor, and the cold-producing medium of supplying with described indoor set is compressed and condensation; Cold-producing medium moves pipe described indoor set and off-premises station is coupled together, and cold-producing medium is moved between indoor set and off-premises station.
Indoor set can be divided into wall-hangingly according to set-up mode, promptly be installed on the wall; Push up hangingly, promptly be located at the top, house; Vertical, promptly vertically be located on the bottom.
The structure of wall indoor unit as shown in Figure 1, it has cover 10, this cover 10 is installed on the wall; Fan 2, it is located in the described cover 10, is driven and is moved by motor (not shown), and room air is flowed through cover 10; Heat exchanger 30, its effect are to utilize cold cold-producing medium that the air themperatures in the inflow cover 10 are reduced.
In addition, epimere in a side of described cover 10 is provided with suction inlet 10a, room air is sucked in the cover 10, suction grid 12 is housed at described suction inlet 10a place, these suction grid 12 belows are equipped with the outlet opening and closing device that outlet 10b is opened and closed, and the air that this outlet 10b is used for flowing in the cover 10 is discharged to indoor again.At the rear of described fan 20, be provided with rear portion guider 22, it is air guide outlet 10b one side that flows into through described suction grid 12 in the cover 10.The front end of described suction grid 12 is connected in the hinge joint mode on the end of cover 10, as shown in Figure 2, sucks the structure of grid for starting upward.Sucking between grid 12 and the heat exchanger 30, be provided with air cleaner 14 and dust arrester 16, the foreign matters such as dust in air that are used for flowing in the cover 10 leach.
Outlet opening and closing device 40 comprises following a few part: inaccessible plate 40, and it is used to close outlet 10b; Pivoted lever 42, one end are supported on the described inaccessible plate 40, and the other end is installed in the cover 10, can turn round; The slew gear of stepping motor etc. (not shown), its effect are that described pivoted lever is rotated.
Described outlet opening and closing device as shown in Figure 3, the rotation by inaccessible plate 40 opens and closes outlet 10b.Therefore, in the revolution range of inaccessible plate 40, between the formed revolution inner diameter d of connecting portion of the formed revolution outer diameter D of the front end of inaccessible plate 40 and inaccessible plate 40 and pivoted lever 42, any structure can not be arranged, so that inaccessible plate 40 can turn round.For this reason, between the front end of the downside front end of described rear portion guider 22 and cover 10, be formed with gap 22a, inaccessible plate 40 is passed through.
Adopt described air conditioner, fan 20 revolutions, indoor hot-air just is inhaled in the cover 10 by sucking grid 12, and the hot-air that is inhaled into cools off by heat exchanger 30, discharges by outlet 10b after the cooling again.Like this, indoor air temperature just can obtain suitable the adjusting.
In addition, carry out the cold-producing medium that heat exchange has elevated the temperature, make its cooling by cyclic process again through off-premises station (not shown) by heat exchanger 30 and hot-air.
The effect of air cleaner 14 and dust arrester 16 is, in the process that room air circulates through cover 10, foreign matters such as dust filtered out, and air is purified.When changing or cleaning described air cleaner 14, will suck grid 12 and lift upward, carry out operation after making the open-front of cover 10.
Again, in air conditioner when action,, the action of outlet opening and closing device as shown in Figure 3, is in the state that the outlet 10b of cover 10 opens, and promptly slew gear makes pivoted lever 42 revolutions, makes inaccessible plate 40 be positioned at the state of the below of rear portion guider 22.
But this prior art exists following problems.
1. often maintain open state owing to suck grid 12, therefore, when not using air conditioner, airborne foreign matter also can flow into cover 10 inner products and store away.And when starting under the situation of not using for a long time air conditioner, the foreign matter of accumulation just is discharged to indoor again without air cleaner 14 again, so, can pollute room air on the contrary.
2. because air cleaner 14 is provided with far from sucking grid 12, filter well, just air cleaner 14 that need be bigger than suction grid 12 in order to make the air that disperses through sucking grid 12.As a result, the production cost of air conditioner just can raise.
3. owing to flow into air in the covers 10 and lay particular stress on upside, so heat exchanger effectiveness reduces, and form eddy current and cause air quantity minimizing etc., thereby make the refrigerating capacity reduction at heat exchanger 30 through sucking grid 12.
4. for the outlet opening and closing device can be moved, between the front end of the lower end of rear portion guider 22 and cover 10, be formed with gap 22a, cause phenomenon shown in Figure 4 therefrom, promptly from the inside of cover 10 when cold air is discharged in the outside, produce vortex phenomenon.Therefore, can produce noise, and make cold air discharge decrease in efficiency.In addition, the outward appearance of indoor set is also plain.
The objective of the invention is provides a kind of air conditioner indoor unit in order to solve described existing in prior technology problem, its suction inlet and outlet opening and closing device be not when using air conditioner, foreign matter can not flow in the cover, when air conditioner moves, can improve the refrigerating efficiency and the cold air of heat exchanger and discharge efficient, and outward appearance is also beautiful.
In order to reach described purpose, air conditioner indoor unit of the present invention has cover 10; Fan 20, it is located in the cover 10, is subjected to the driving force effect and limit revolution, limit provide the power that sucks and discharge air; Heat exchanger 30, the air themperature that it utilizes cold cold-producing medium to make and flows in the cover 10 reduces; Opening-closing device for suction inlet is used to open and close suction inlet 10a, and this suction inlet 10a passes air in the described cover 10; The outlet opening and closing device is used to open and close outlet 10b, and this outlet 10b is used for described air is discharged to the outside in cover 10; In this air conditioner indoor unit, described opening-closing device for suction inlet is made of triangle rod-shaped body 50 and suction grid 53, wherein: triangle rod-shaped body 50 is installed in the cover 10 near suction inlet 10a place, can turn round, it is inner to form empty space, and three sides form suction face 52, open surface 54, airtight 56 respectively; Sucking grid 53 can be located on the described main body 50 with opening and closing, and on the suction face of being positioned at 52; Described outlet opening and closing device comprises inaccessible plate 40, pivoted lever 42 and connecting elements 43, wherein an end of pivoted lever 42 vertically is installed on the described inaccessible plate 40, the other end is installed in the cover 10 pivotally, connecting elements 43 is used for inaccessible gap 22a, this gap is to form like this, promptly in order to open outlet 10b, when inaccessible plate 40 is positioned at rear portion guider 22 belows, between the downside front end of the front end of cover 10 and rear portion guider 22, form.
Air when Fig. 1 is an expression common air-conditioning machine with the structure of indoor set and action thereof flows into the broad cross-section map of state.
Fig. 2 is the sectional drawing that sucks the grid open state in the presentation graphs 1.
Fig. 3 is illustrated in the sectional drawing that utilizes the state after the outlet opening and closing device is opened outlet among Fig. 1.
Fig. 4 is illustrated in by existing outlet opening and closing device to open under the state of outlet, the partial enlarged drawing of Fig. 3 of the flow regime when cold air is discharged.
Fig. 5 is the sectional drawing of structure that expression is applicable to the opening-closing device for suction inlet of air conditioner indoor unit of the present invention.
Fig. 6 represents that opening-closing device for suction inlet of the present invention makes and sucks the sectional drawing that grid is in open mode in order to change air cleaner.
Fig. 7 is the side view that expression is applicable to the outlet opening and closing device structure of air conditioner indoor unit of the present invention.
Fig. 8 it (A), (B), (C) are the suction inlet of expression air conditioner indoor unit of the present invention and the movement state diagram of the whole process of outlet opening and closing device from the closed condition to the open mode.
Following with reference to Fig. 5-Fig. 8 (C) detailed description embodiments of the invention.In structure of the present invention, with the employing of structure same section prosign, the no longer repeat specification of existing apparatus.
The suction inlet of the air conditioner indoor unit of the embodiment of the invention and outlet opening and closing device can be divided into opening-closing device for suction inlet and outlet opening and closing device.
Described opening-closing device for suction inlet as shown in Figure 5, it is by triangle rod-shaped body 50, sucks slew gear (not shown) formation of grid 53 and stepping motor and so on, the inside of described triangle rod-shaped body 50 forms empty space, suck grid 53 and be located on the described main body 50, slew gear is used to make main body 50 revolutions.
Three sides of described main body 50, be by airtight 56, be connected on airtight 56 and suck the suction face 52 of extraneous air and open surface 54 that the outer gas that will suck is discharged constitutes.In addition, described suction grid 53 1 ends can be connected on the main body 50 in the hinge joint mode and on the suction face of being positioned at 52 with opening and closing.In main body 50, be provided with air cleaner 14 and dust arrester 16, described air cleaner is located at the back that sucks grid 53.
In addition, described main body 50 is installed in the cover 10, and gyroaxis 58 that can length direction turns round [with reference to Fig. 8 (A)] for the center.Again, at the front end of main body 50, be formed with sealed seat 51 at the position up and down of open surface 54, be formed with sealed projection 11 at the front end of the cover 10 that forms suction inlet 10a, this sealed projection 11 matches with described sealed 51 and determines the angle of revolution of main body 50.
In addition, described outlet opening and closing device as shown in Figure 7, it is made of slew gears (not shown) such as inaccessible plate 40, pivoted lever 42, connecting elements 43 and stepping motors, and wherein an end of pivoted lever 42 is installed on the described inaccessible plate 40, and the other end can be installed in the cover 10 pivotally; Connecting elements is used for inaccessible gap 22a, and this gap is to form like this, promptly in order to open outlet 10b, in the time of below inaccessible plate 40 is positioned at rear portion guider 22, forms between the downside front end of the front end of cover 10 and rear portion guider 22; The effect of slew gear is to make described pivoted lever 42 revolutions.
Here, described connecting elements 43 preferably forms a kind of like this platy structure, and promptly an end of this connecting elements 43 is that an end of self-closing seben 40 extends to form, and steering pivot lever 42 1 side bendings, and keeps specified gap between the inaccessible plate 40.
In addition, different with illustrated embodiment, described connecting elements 43 also can constitute like this, promptly forms the form of suitable bending, and the one end is installed in the front end of inaccessible plate 40, and the other end and inaccessible plate 40 keep predetermined distance.
Again, the length of described connecting elements and shape are to form [with reference to Fig. 8 (C)] like this, promptly under the state below inaccessible plate 40 is positioned at rear portion guider 22, connecting elements is in the downside front end and the gap 22a between cover 10 front ends of rear portion guider 22, and the air flow line that is guided along rear portion guider 22 interruptedly is not connected to the front end of cover 10 always.
Below with reference to Fig. 8 (A)~Fig. 8 (C), the suction inlet of the air conditioner indoor unit of the embodiment of the invention with described structure and the action of outlet opening and closing device are described.
At first, when air conditioner did not move as yet, shown in Fig. 8 (A), suction inlet and outlet opening and closing device kept the suction inlet 10a of cover 10 and the blocking of outlet 10b.That is, opening-closing device for suction inlet makes airtight 56 of main body 50 to be positioned on the suction inlet 10a position, forms the blocking of suction inlet 10a, and the outlet opening and closing device also makes inaccessible plate 40 be positioned on the position of outlet 10b, forms the blocking of outlet 10b.Like this, when air conditioner is failure to actuate, can prevent that airborne foreign matter from flowing into cover 10 interior accumulations and rotting, therefore, can prevent that the phenomenon that can pollute room air when air conditioner reruns on the contrary from taking place.
Then, in case air conditioner entry into service, shown in Fig. 8 (B), the main body 50 of opening-closing device for suction inlet and the pivoted lever 42 of outlet opening and closing device are owing to the effect of each slew gear is turned round, thereby, shown in Fig. 8 (C), suction grid 52 is positioned on the suction inlet 10a position, inaccessible plate 40 is positioned at the below of rear portion guider 22.
Again, because fan 20 actions, air just flows in the main body 50 by sucking grid 52.According to the structure of main body 50, leaked-in air is discharged by open surface 54 after airtight 56 is guided again, and discharges towards the lower end side of heat exchanger 30.But, when the action of air conditioner continues to carry out, just have the hot-air higher and flow into than the temperature in the cover 10, therefore, leaked-in air is discharged from the main body 50 of opening-closing device for suction inlet on one side, Yi Bian float upward.As a result, the whole position of heat exchanger 30 and air even contact.Like this, just, improved the operating efficiency of heat exchanger 30.
In addition, through over-heat-exchanger 30 and chilled air is just guided to outlet 10b by rear portion guider 22.At this moment, because the gap 22a between the front end of the downside front end of rear portion guider 22 and cover 10 is by connecting elements 43 obturations, so air stream can not interrupt.So, can improve the discharge efficient of air, reduce the noise that causes because of eddy current.
Again, owing to air cleaner 14 is closely to contact to be provided with sucking grid 52, so can before through the air dispersion that sucks grid 52, finish filter process.Therefore, can make the size of air cleaner 14 be reduced to the same size, like this, just can reduce the whole manufacturing cost of air conditioner with the size that sucks grid 52.
Make to suck grid 52 revolutions and open, utilize and pull out or just installation or removal air cleaner 14 simply of pushing style, therefore, can more easily carry out the replacing or the washing and cleaning operation of air cleaner.
In embodiments of the present invention, be that example is illustrated to be applicable to wall air conditioner with the suction inlet and the outlet opening and closing device of indoor set, but the present invention is not limited to this pattern, also can be applicable to the air conditioner of vertical air conditioner with various types such as indoor sets.

Claims (6)

1. air conditioner indoor unit, it has: cover; Fan, this fan is located in the cover, while be subjected to the effect of driving force to turn round, provide the power of suction, discharge air; Heat exchanger, the air themperature that it utilizes cold cold-producing medium to make and flows in the cover reduces; Opening-closing device for suction inlet, it is used to open and close suction inlet, and this suction inlet passes air in the described cover; The outlet opening and closing device is used to open and close outlet, and this outlet makes air be discharged to the outside in described cover; Air conditioner indoor unit with this structure, it is characterized in that, described opening-closing device for suction inlet is by triangle rod-shaped body (50) and suck grid (53) formation, its intermediate cam rod-shaped body (50) is installed in pivotally in the cover (10) and locates near suction inlet (10a), its inner cavity that forms, three sides become suction face (52), open surface (50), sealing surface (56) respectively, described suction grid (53) can be located on the described main body (50) with opening and closing, and is positioned on the described suction face (52).
2. air conditioner indoor unit as claimed in claim 1, it is characterized in that, at the described main body (50) that constitutes described opening-closing device for suction inlet, cover (10) front end of described suction inlet (10a), be respectively equipped with sealed seat (51) and sealed projection (11), so that be mutually locked, the angle of revolution of main body is kept within the specific limits.
3. air conditioner indoor unit as claimed in claim 1 or 2, it is characterized in that, on the described main body (50) of described opening-closing device for suction inlet, be provided with air cleaner (14) and dust arrester (16), described air cleaner (14) is combined on the back of described suction grid (53) dismantledly.
4. air conditioner indoor unit, it comprises following a few part: cover; Fan, this fan is located in the cover, while be subjected to the effect of driving force to turn round, provide the power of suction, discharge air; Heat exchanger, the air themperature that it utilizes cold cold-producing medium to make and flows in the cover reduces; Opening-closing device for suction inlet, it is used to open and close suction inlet, and this suction inlet passes air in the described cover; The outlet opening and closing device, it is used to open and close outlet, and this outlet makes air be discharged to the outside in described cover; Air conditioner indoor unit with this structure is characterized in that described outlet opening and closing device is made of following several parts: inaccessible plate (40); Pivoted lever (42), one end vertically are installed on the described inaccessible plate (40), and the other end is installed in the described cover (10) pivotally; Connecting elements (43), it is used to stop up the gap, this gap is to form like this, promptly in order to open outlet (10b), when inaccessible plate (40) is positioned at the below of rear portion guider (22), just between the downside front end of the front end of described cover (10) and described rear portion guider (22), form the gap.
5. air conditioner indoor unit as claimed in claim 4, it is characterized in that, described connecting elements (43) is made of accessory plate, one end of this accessory plate is to be extended by an end of described inaccessible plate (40) to form, and to described pivoted lever (42) one side bendings, its front end and described inaccessible plate (40) keep predetermined distance; Be positioned at described inaccessible plate (40) under the state of described rear portion guider (22) below, described accessory plate is positioned at the gap that forms between the front end of the downside front end of described rear portion guider (22) and described cover (10), the formation of its length and shape will be satisfied following requirement, does not promptly interruptedly continue up to the front end of described cover (10) along the air flow line of described rear portion guider (22) guiding.
6. as claim 4 or 5 described air conditioner indoor units, it is characterized in that, described connecting elements is to be made of other accessory plate, this accessory plate forms the form of suitable bending, the one end is located at the front end of described inaccessible plate (40), and the other end and described inaccessible plate (40) keep specified gap.
CNB981167969A 1997-12-03 1998-08-03 Indoor machine of air conditioner Expired - Fee Related CN1134618C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1019970065645A KR100262719B1 (en) 1997-12-03 1997-12-03 The structure of indoor unit for air-conditioner
KR65645/97 1997-12-03
KR65645/1997 1997-12-03

Publications (2)

Publication Number Publication Date
CN1218891A true CN1218891A (en) 1999-06-09
CN1134618C CN1134618C (en) 2004-01-14

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Application Number Title Priority Date Filing Date
CNB981167969A Expired - Fee Related CN1134618C (en) 1997-12-03 1998-08-03 Indoor machine of air conditioner

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KR (1) KR100262719B1 (en)
CN (1) CN1134618C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1325852C (en) * 2001-08-28 2007-07-11 东芝开利株式会社 Air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1325852C (en) * 2001-08-28 2007-07-11 东芝开利株式会社 Air conditioner

Also Published As

Publication number Publication date
KR19990047292A (en) 1999-07-05
KR100262719B1 (en) 2000-08-01
CN1134618C (en) 2004-01-14

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