CN103075789B - Split floor type air-conditioner indoor unit and noise control method thereof - Google Patents
Split floor type air-conditioner indoor unit and noise control method thereof Download PDFInfo
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Abstract
The invention relates to the technical field of a split floor type air-conditioner indoor unit and specifically relates to the improvement for the split floor type air-conditioner indoor unit and a noise control method thereof. The noise control method comprises the following steps: S1, starting an air conditioner; S2, setting rotating speeds of a left through-flow fan and a right through-flow fan and rotating the left through-flow fan and the right through-flow fan according to the rotating speeds; and S3, controlling a second left air outlet control mechanism and a second right air outlet control mechanism by a control module according to the rotating speeds of the left through-flow fan and the right through-flow fan to respectively adjust the size reduction of a second left air outlet and a second right air outlet, thereby eliminating abnormal noise and increasing the comfortable sense of user application. At high air speed, the resistance of an air channel is effectively reduced and the air quantity of the products is increased. Under the condition of the increasing of the resistance of the air channel, no abnormal noise is generated by the air conditioner.
Description
Technical field
The present invention relates to Split floor-type indoor machine of air conditioner technical field, more specifically, relate to the improvement of Split floor-type indoor machine of air conditioner and noise control method thereof.
Background technology
Split-type air conditioner: formed by indoor set and off-premises station, be arranged on respectively indoor and outdoors, the middle air regulator coupling together by pipeline and electric wire.It is a corresponding outer machine of interior machine, and it is relative with package AC plant, and package AC plant is all-in-one, without dividing of inside and outside machine; That split-type air conditioner indoor set has is wall-hanging, cabinet-type, ceiling mounting type, embedded.Detachable air conditioner is divided into indoor units and outdoor unit two parts air-conditioner exactly, the larger compressor of noise ratio, aerofoil fan etc., is placed in off-premises station; The indoor indispensable parts such as electric control circuit parts and indoor heat exchanger are arranged in indoor units; We claim this air-conditioner consisting of indoor set and off-premises station to be called detachable air conditioner.
Existing indoor unit of floor type air conditioner air outlet structure, its air outlet structure is all the mentality of designing with reference to traditional cross flow fan, the size of air outlet is fixed, as the indoor set of the disclosed a kind of cabinet air conditioner of Chinese patent (Granted publication CN201416958Y), comprise housing, be arranged on the evaporimeter in housing, front induced draft plate, rear induced draft plate and air-supply wind wheel, the upper back of its middle shell is provided with return air inlet, the front upper part both sides of housing are respectively equipped with air outlet, it is characterized in that described air-supply wind wheel is 2 of left and right tubular wine wheel, vertically be arranged on respectively in the air channel of air outlet inner side.The disclosed floor air conditioner indoor machine of Chinese patent (Granted publication CN202040903U) and for example, comprise the upper frame being arranged on body, the air channel that heat exchanger, tubular wine wheel assembly is set in upper frame and holds heat exchanger, tubular wine wheel assembly, the left side of upper frame, right side and rear side are respectively arranged with air inlet, this air inlet comprises left air inlet, right air inlet and rear air inlet, and left air inlet, right air inlet and rear air inlet connecting place are respectively arranged with left back air inlet and right back air inlet; The front side of upper frame is provided with the air outlet being connected with air inlet, and air outlet is left air outlet and right air outlet.
But its air outlet structure of above-mentioned patent is all the mentality of designing with reference to traditional cross flow fan, the size of air outlet is changeless.And this kind of fixing air outlet structure very easily produces suddenly big or suddenly small abnormal sound when low velocity wind; Especially when air-conditioning duct resistance strengthens (such as: screen pack, condenser are dirty when stifled), this abnormal sound can further strengthen, and the harassing and wrecking that user is produced have affected user's effect.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Split floor-type indoor machine of air conditioner and noise control method thereof, and it can eliminate the abnormal sound of air channel structure, reduces level of noise.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of Split floor-type indoor machine of air conditioner, comprise housing, be located at the heat exchanger in housing, dividing plate, left axial-flow fan and right axial-flow fan, left axial-flow fan and right axial-flow fan are located at respectively dividing plate both sides, wherein, on described left axial-flow fan and right axial-flow fan, be also respectively equipped with left air-out air channel and right air-out air channel, left air-out air channel comprises left air channel cavity, in the cavity of left air channel, comprise left the first air outlet, left the second air outlet and left the 3rd air outlet, left the first air outlet size is greater than left the second air outlet, left the first air outlet size is less than left the 3rd air outlet,
Right air-out air channel comprises right air channel cavity, comprises right the first air outlet, right the second air outlet and right the 3rd air outlet in the cavity of right air channel, and right the first air outlet size is greater than right the second air outlet, and right the first air outlet size is less than right the 3rd air outlet;
Split floor-type indoor machine of air conditioner also comprises control module, for regulating a left side second air outlet controlling organization of left the second air outlet size and for regulating the right side second air outlet controlling organization of right the second air outlet size, control module connects left axial-flow fan and right axial-flow fan, and control module connects left the second air outlet controlling organization and right the second air outlet controlling organization.Control module connects left axial-flow fan and right axial-flow fan, the rotating speed of left axial-flow fan and right axial-flow fan can be detected, and control module, again according to this rotating speed, is controlled left the second air outlet controlling organization and right the second air outlet controlling organization.
A noise control method, comprises the following steps:
S1. open air-conditioning; First user can open air-conditioning by panel or the remote controller of air-conditioner body.
S2. set the rotating speed of left axial-flow fan and right axial-flow fan, left axial-flow fan and right axial-flow fan are according to this rotational speed; The panel of air-conditioner body or remote controller are provided with the button of wind speed, and this button can be set the wind speed of air-conditioning, and the wind speed of air-conditioning is equivalent to the rotating speed of left axial-flow fan and right axial-flow fan, and after setting, left axial-flow fan and right axial-flow fan are according to this rotational speed.The rotation of left axial-flow fan and right axial-flow fan and cause Air Flow, after air is entered by air inlet, through heat exchanger, carry out exchange heat, dividing plate can separate two regions, then flow through after left axial-flow fan and right axial-flow fan, through left air-out air channel and right air-out air channel, discharge.
S3. control module is according to the rotating speed of left axial-flow fan and right axial-flow fan, and control module is controlled the size that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet, right the second air outlet.The rotating speed of left axial-flow fan and right axial-flow fan reduces, and control module is controlled the size reduction that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet, right the second air outlet.Traditional left axial-flow fan and right axial-flow fan are along with rotating speed reduces, and the size of left the second air outlet, right the second air outlet is constant, and air-flow, by unstable, produces suddenly big or suddenly small abnormal sound; In this noise control method, along with the rotating speed of left axial-flow fan and right axial-flow fan reduces, control module is controlled the size reduction that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet, right the second air outlet, thereby can eliminate abnormal sound, improve the comfort of user's application.
Further, the rotating speed of setting left axial-flow fan and right axial-flow fan in described step S2 is three kinds, is respectively high wind speed, middle wind speed and low wind speed;
If setting the rotating speed of left axial-flow fan and right axial-flow fan is high wind speed, in step S3, the size of left the second air outlet and right the second air outlet remains unchanged; The initial value of the size of left the second air outlet and right the second air outlet is according to high wind speed design, and the size of left the second air outlet and right the second air outlet remains unchanged and can reduce noise, effectively reduces duct resistance, improves product air quantity.
If setting the rotating speed of left axial-flow fan and right axial-flow fan is middle wind speed, in step S3, control module is controlled the size reduction 5%～15% that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet, right the second air outlet; Through test, during central wind speed, the size reduction 5%～15% of left the second air outlet, right the second air outlet can effectively reduce noise, has improved the comfort of user's application.
If setting the rotating speed of left axial-flow fan and right axial-flow fan is low wind speed, in step S3, control module is controlled the size reduction 15%～30% that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet, right the second air outlet.Through test, when low wind speed, the size reduction 15%～30% of left the second air outlet, right the second air outlet can effectively reduce noise, has improved the comfort of user's application.
Further, a described left side the first air outlet cross-sectional distance is D1, left the second air outlet cross-sectional distance is D2, left the 3rd air outlet cross-sectional distance is D3, right the first air outlet cross-sectional distance is D4, and right the second air outlet cross-sectional distance is D5, and right the 3rd air outlet cross-sectional distance is D6, D2 < D1 < D3, D5 < D4 < D6.Left air channel cavity and right air channel cavity are similar columnar structure, but similar columnar middle part cross-sectional distance is less than the cross-sectional distance at two ends, a left side first air outlet of close left axial-flow fan is, the cross-sectional distance of the right side first air outlet of close right axial-flow fan is less than a left side the 3rd air outlet of far-end, the cross-sectional distance of right the 3rd air outlet.
Further, described D1 is D2 1.3～2.0 times, D4 is D5 1.3～2.0 times.When D1 is D2 1.3～2.0 times, D4 is D5 1.3～2.0 times, through test, its level of noise, lower than the air outlet structure increasing gradually, therefore, can be eliminated the abnormal sound in left air-out air channel and right air-out air channel, has improved the comfort of user's application.
Further, a described left side the second air outlet controlling organization, right the second air outlet controlling organization are motor control mechanism or rack-and-pinion transmission controlling mechanism or four bar rotation controling mechanisms.During for motor control mechanism, motor is directly controlled left the second air outlet, right the second air outlet reduces; During for rack-and-pinion transmission controlling mechanism, by rack-and-pinion transmission control left the second air outlet, right the second air outlet reduces; During four bar rotation controling mechanisms, by mechanical linkage control left the second air outlet, right the second air outlet reduces.Due to above-mentioned be the known technology of theory of mechanics, Machine Design aspect, at this, do not describe in detail.
Compared with prior art, beneficial effect is: along with the rotating speed of left axial-flow fan and right axial-flow fan reduces, control module is controlled the size reduction that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet, right the second air outlet, thereby can eliminate abnormal sound, improve the comfort of user's application; During high wind speed, effectively reduce duct resistance, improve product air quantity; In the situation that duct resistance increase in the situation that (screen pack, heat exchanger dirty), air-conditioning can not produce abnormal sound.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is schematic flow sheet of the present invention.
The specific embodiment
As shown in Figure 1, a kind of Split floor-type indoor machine of air conditioner, comprise housing, be located at the heat exchanger 1 in housing, dividing plate 2, left axial-flow fan 3 and right axial-flow fan 4, left axial-flow fan 3 and right axial-flow fan 4 are located at respectively dividing plate 2 both sides, wherein, on described left axial-flow fan 3 and right axial-flow fan 4, be also respectively equipped with left air-out air channel 5 and right air-out air channel 6, left air-out air channel 5 comprises left air channel cavity 54, in left air channel cavity 54, comprise left the first air outlet 51, left the second air outlet 52 and left the 3rd air outlet 53, left the first air outlet 51 sizes are greater than left the second air outlet 52, left the first air outlet 51 sizes are less than left the 3rd air outlet 53,
Right air-out air channel 6 comprises right air channel cavity 64, in right air channel cavity 64, comprise right the first air outlet 61, right the second air outlet 62 and right the 3rd air outlet 63, right the first air outlet 61 sizes are greater than right the second air outlet 62, and right the first air outlet 61 sizes are less than right the 3rd air outlet 63.
As shown in Figure 1, for schematic cross-section, left the first air outlet 51 cross-sectional distance are D1, left the second air outlet 52 cross-sectional distance are D2, and left the 3rd air outlet 53 cross-sectional distance are D3, and right the first air outlet 61 cross-sectional distance are D4, right the second air outlet 62 cross-sectional distance are D5, right the 3rd air outlet 63 cross-sectional distance are D6, D2 < D1 < D3, D5 < D4 < D6.In Fig. 1, left air channel cavity 54 is tilted to the right, and right air channel cavity 64 is tilted to the left, and the distance of left the 3rd air outlet 53 and right the 3rd air outlet 63 is close.Left air channel cavity 54 and right air channel cavity 64 are similar columnar structure, but similar columnar structure middle part cross-sectional distance is less than the cross-sectional distance at two ends, and a left side first air outlet 51 of close left axial-flow fan 3 is, the cross-sectional distance of the right side first air outlet 61 of close right axial-flow fan 4 is less than a left side the 3rd air outlet 53 of far-end, the cross-sectional distance of right the 3rd air outlet 63.Namely left air channel cavity 54, right air channel cavity 64 are all that size diminishes gradually, the structure that then size increases gradually, and this structure can be eliminated the abnormal sound in air channel, reduces level of noise; In addition, in the situation that duct resistance increase in the situation that (screen pack, heat exchanger dirty), air-conditioning can not produce abnormal sound.
D1 is 1.3～2.0 times of D2, D4 is D5 1.3～2.0 times.When D1 is D2 1.3～2.0 times, D4 is D5 1.3～2.0 times, through test, its level of noise, lower than the air outlet structure increasing gradually, therefore, can be eliminated the abnormal sound in left air-out air channel and right air-out air channel, has improved the comfort of user's application.
As shown in Figure 2, a kind of noise control method, comprises the following steps:
S1. open air-conditioning; First user can open air-conditioning by panel or the remote controller of air-conditioner body.
S2. set the rotating speed of left axial-flow fan 3 and right axial-flow fan 4, left axial-flow fan 3 and right axial-flow fan 4 are according to this rotational speed; The panel of air-conditioner body or remote controller are provided with the button of wind speed, and this button can be set the wind speed of air-conditioning, and the wind speed of air-conditioning is equivalent to the rotating speed of left axial-flow fan 3 and right axial-flow fan 4, and after setting, left axial-flow fan 3 and right axial-flow fan 4 are according to this rotational speed.The rotation of left axial-flow fan 3 and right axial-flow fan 4 and cause Air Flow, after air is entered by air inlet, through heat exchanger 1, carry out exchange heat, dividing plate 2 can separate two regions, then flow through after left axial-flow fan 3 and right axial-flow fan 4, through left air-out air channel 5 and right air-out air channel 6, discharge.
S3. control module is according to the rotating speed of left axial-flow fan 3 and right axial-flow fan 4, and control module is controlled the size that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet 52, right the second air outlet 62.The rotating speed of left axial-flow fan 3 and right axial-flow fan 4 reduces, and control module is controlled the size reduction that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet 52, right the second air outlet 62.
Traditional left axial-flow fan and right axial-flow fan are along with rotating speed reduces, and the size of left the second air outlet, right the second air outlet is constant, and air-flow, by unstable, produces suddenly big or suddenly small abnormal sound; In this noise control method, along with the rotating speed of left axial-flow fan 3 and right axial-flow fan 4 reduces, control module is controlled the size reduction that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet 52, right the second air outlet 62, thereby can eliminate abnormal sound, improve the comfort of user's application.
Further, the rotating speed of setting left axial-flow fan 3 and right axial-flow fan 4 in step S2 is three kinds, is respectively high wind speed, middle wind speed and low wind speed;
If setting the rotating speed of left axial-flow fan 3 and right axial-flow fan 4 is high wind speed, in step S3, the size of left the second air outlet 52 and right the second air outlet 62 remains unchanged; The initial value of the size of left the second air outlet 52 and right the second air outlet 62 is according to high wind speed design, and the size of left the second air outlet 52 and right the second air outlet 62 remains unchanged and can reduce noise, effectively reduces duct resistance, improves product air quantity.
If setting the rotating speed of left axial-flow fan 3 and right axial-flow fan 4 is middle wind speed, in step S3, control module is controlled the size reduction 5%～15% that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet 52, right the second air outlet 62; Through test, during central wind speed, the size reduction 5%～15% of left the second air outlet 52, right the second air outlet 62 can effectively reduce noise, has improved the comfort of user's application.
If setting the rotating speed of left axial-flow fan 3 and right axial-flow fan 4 is low wind speed, in step S3, control module is controlled the size reduction 15%～30% that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet 52, right the second air outlet 62.Through test, when low wind speed, the size reduction 15%～30% of left the second air outlet 52, right the second air outlet 62 can effectively reduce noise, has improved the comfort of user's application.
Further, a described left side the second air outlet controlling organization, right the second air outlet controlling organization are motor control mechanism or rack-and-pinion transmission controlling mechanism or four bar rotation controling mechanisms.During for motor control mechanism, motor is directly controlled left the second air outlet 52, right the second air outlet 62 reduces; During for rack-and-pinion transmission controlling mechanism, by rack-and-pinion transmission control left the second air outlet 52, right the second air outlet 62 reduces; During four bar rotation controling mechanisms, by mechanical linkage control left the second air outlet 52, right the second air outlet 62 reduces.Due to above-mentioned be the known technology of theory of mechanics, Machine Design aspect, at this, do not describe in detail.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can do the improvement of some applicable actual conditions to the technical scheme of invention.Therefore, protection scope of the present invention is not limited to this, and those of skill in the art are any to be included within protection domain of the present invention based on non-material change in technical solution of the present invention.
Claims (7)
1. a Split floor-type indoor machine of air conditioner, comprise housing, be located at the heat exchanger (1) in housing, dividing plate (2), left axial-flow fan (3) and right axial-flow fan (4), left axial-flow fan (3) and right axial-flow fan (4) are located at respectively dividing plate (2) both sides, it is characterized in that, on described left axial-flow fan (3) and right axial-flow fan (4), be also respectively equipped with left air-out air channel (5) and right air-out air channel (6), left air-out air channel (5) comprises left air channel cavity (54), in left air channel cavity (54), comprise left the first air outlet (51), left the second air outlet (52) and left the 3rd air outlet (53), left the first air outlet (51) size is greater than left the second air outlet (52), left the first air outlet (51) size is less than left the 3rd air outlet (53),
Right air-out air channel (6) comprises right air channel cavity (64), in right air channel cavity (64), comprise right the first air outlet (61), right the second air outlet (62) and right the 3rd air outlet (63), right the first air outlet (61) size is greater than right the second air outlet (62), and right the first air outlet (61) size is less than right the 3rd air outlet (63);
Split floor-type indoor machine of air conditioner also comprises control module, for regulating a left side second air outlet controlling organization of left the second air outlet (52) size and for regulating the right side second air outlet controlling organization of right the second air outlet (62) size, control module connects left axial-flow fan (3) and right axial-flow fan (4), and control module also connects left the second air outlet controlling organization and right the second air outlet controlling organization simultaneously.
2. a noise control method, is characterized in that utilizing a kind of Split floor-type indoor machine of air conditioner described in claim 1, comprises the following steps:
S1. open air-conditioning;
S2. set the rotating speed of left axial-flow fan (3) and right axial-flow fan (4), left axial-flow fan (3) and right axial-flow fan (4) are according to this rotational speed;
S3. control module is according to the rotating speed of left axial-flow fan (3) and right axial-flow fan (4), and control module is controlled the size that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet (52), right the second air outlet (62).
3. a kind of noise control method according to claim 2, it is characterized in that: in described step S3, the rotating speed of left axial-flow fan (3) and right axial-flow fan (4) reduces, and control module is controlled the size reduction that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet (52), right the second air outlet (62).
4. a kind of noise control method according to claim 3, is characterized in that: the rotating speed of setting left axial-flow fan (3) and right axial-flow fan (4) in described step S2 is three kinds, is respectively high wind speed, middle wind speed and low wind speed;
If setting the rotating speed of left axial-flow fan (3) and right axial-flow fan (4) is high wind speed, in step S3, the size of left the second air outlet (52) and right the second air outlet (62) remains unchanged;
If setting the rotating speed of left axial-flow fan (3) and right axial-flow fan (4) is middle wind speed, in step S3, control module is controlled the size reduction 5%～15% that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet (52), right the second air outlet (62);
If setting the rotating speed of left axial-flow fan (3) and right axial-flow fan (4) is low wind speed, in step S3, control module is controlled the size reduction 15%～30% that left the second air outlet controlling organization, right the second air outlet controlling organization regulate respectively left the second air outlet (52), right the second air outlet (62).
5. a kind of noise control method according to claim 4, it is characterized in that: a described left side the first air outlet (51) cross-sectional distance is D1, left the second air outlet (52) cross-sectional distance is D2, left the 3rd air outlet (53) cross-sectional distance is D3, right the first air outlet (61) cross-sectional distance is D4, right the second air outlet (62) cross-sectional distance is D5, right the 3rd air outlet (63) cross-sectional distance is D6, D2 < D1 < D3, D5 < D4 < D6.
6. a kind of noise control method according to claim 5, is characterized in that: described D1 is D2 1.3～2.0 times, D4 is D5 1.3～2.0 times.
7. a kind of noise control method according to claim 2, is characterized in that: a described left side the second air outlet controlling organization, right the second air outlet controlling organization are motor control mechanism or rack-and-pinion transmission controlling mechanism or four bar rotation controling mechanisms.
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| CN104422023B (en) * | 2013-08-29 | 2017-06-06 | 广东美的制冷设备有限公司 | Air conditioner room unit and its control method |
| CN104279707B (en) * | 2014-10-08 | 2017-06-06 | 广东美的制冷设备有限公司 | The air-out control method of air-conditioner and air-conditioner |
| CN104566790B (en) * | 2014-12-17 | 2017-08-15 | 美的集团股份有限公司 | Control method, system and the air conditioner of air conditioner |
| CN105387518B (en) * | 2015-10-21 | 2019-01-22 | 珠海格力电器股份有限公司 | A kind of air conditioner and its control method |
| CN109718613B (en) * | 2018-12-11 | 2021-09-21 | 中国船舶重工集团公司第七一九研究所 | Noise-based control method for air purification device and air purification device |
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| CN1415905A (en) * | 2001-10-31 | 2003-05-07 | 三星电子株式会社 | Outdoor unit of air conditioner |
| CN2583554Y (en) * | 2002-09-05 | 2003-10-29 | 伍永全 | Electronic tuyere |
| CN202133039U (en) * | 2010-12-30 | 2012-02-01 | 美的集团武汉制冷设备有限公司 | Air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415905A (en) * | 2001-10-31 | 2003-05-07 | 三星电子株式会社 | Outdoor unit of air conditioner |
| CN2583554Y (en) * | 2002-09-05 | 2003-10-29 | 伍永全 | Electronic tuyere |
| CN202133039U (en) * | 2010-12-30 | 2012-02-01 | 美的集团武汉制冷设备有限公司 | Air conditioner |
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