CN103075789A - 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 the 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 installed in respectively indoor and outdoors, the middle air regulator that couples together by pipeline and electric wire.It is the 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 to air-conditioner exactly, the larger compressor of noise ratio, aerofoil fan etc., is placed in the off-premises station; The indoor indispensable parts such as electric control circuit parts and indoor heat exchanger are installed in the indoor units; We claim this air-conditioner that is made 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 all is the mentality of designing with reference to traditional cross flow fan, the size of air outlet is fixed, indoor set such as the disclosed a kind of cabinet air conditioner of Chinese patent (Granted publication CN201416958Y), comprise housing, be installed in the evaporimeter in the 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 be about 2 tubular wine wheels, vertically be installed in the air channel of air outlet inboard respectively.The disclosed floor air conditioner indoor machine of Chinese patent (Granted publication CN202040903U) and for example, comprise the upper frame that is arranged on the body, the air channel that heat exchanger, tubular wine wheel assembly is set in the 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 that is connected with air inlet, and air outlet is left air outlet and right air outlet.
But its air outlet structure of above-mentioned patent all is the mentality of designing with reference to traditional cross flow fan, and the size of air outlet is changeless.And the fixing air outlet structure of this kind very easily produces suddenly big or suddenly small abnormal sound when low velocity wind; Especially when the air-conditioning duct resistance strengthens (dirty when stifled such as: screen pack, condenser), this abnormal sound can further strengthen, and to the harassing and wrecking that the user produces, has affected user's effect.
Summary of the invention
Technical problem to be solved by this invention provides 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 the 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 the dividing plate both sides, wherein, also be respectively equipped with left air-out air channel and right air-out air channel on described left axial-flow fan and the right axial-flow fan, left air-out air channel comprises left air channel cavity, comprise left the first air outlet in the cavity of left air channel, 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, and 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, is used for regulating a left side second air outlet controlling organization of left the second air outlet size and is used 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, can detect the rotating speed of left axial-flow fan and right axial-flow fan, and control module is controlled left the second air outlet controlling organization and right the second air outlet controlling organization again according to this rotating speed.
A kind of noise control method may further comprise the steps:
S1. open air-conditioning; At first the 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 namely is equivalent to the rotating speed of left axial-flow fan and right axial-flow fan, and after the 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, carry out exchange heat through heat exchanger, dividing plate can separate two zones, then flow through behind left axial-flow fan and the right axial-flow fan, discharge through left air-out air channel and right air-out air channel.
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 are regulated 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 are regulated 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 produces suddenly big or suddenly small abnormal sound with unstable; 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 are regulated respectively left the second air outlet, right the second air outlet, thereby can eliminate abnormal sound, improve the comfort that the user uses.
Further, the rotating speed of setting left axial-flow fan and right axial-flow fan among the 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, among the 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 the 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 the product air quantity.
If setting the rotating speed of left axial-flow fan and right axial-flow fan is middle wind speed, among the 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 are regulated 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 that the user uses.
Be low wind speed if set the rotating speed of left axial-flow fan and right axial-flow fan, among the 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 are regulated 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 that the user uses.
Further, described left 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, and the cross-sectional distance of the right side first air outlet of a left side first air outlet of close left axial-flow fan, 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 1.3～2.0 times of D2, and D4 is 1.3～2.0 times of D5.Be 1.3～2.0 times of D2 as D1, D4 is 1.3～2.0 times of D5, and through test, its level of noise is lower than the air outlet structure that increases gradually, therefore, can eliminate the abnormal sound in left air-out air channel and right air-out air channel, has improved the comfort that the user uses.
Further, described left 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 the rack-and-pinion transmission controlling mechanism, by the 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.Because above-mentioned is the known technology of theory of mechanics, Machine Design aspect, is not described in detail at this.
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 are regulated respectively left the second air outlet, right the second air outlet, thereby can eliminate abnormal sound, improve the comfort that the user uses; During high wind speed, effectively reduce duct resistance, improve the product air quantity; In the situation that duct resistance increases (screen pack, heat exchanger dirty situation under), air-conditioning can not produce abnormal sound.
Description of drawings
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 the 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, also be respectively equipped with left air-out air channel 5 and right air-out air channel 6 on described left axial-flow fan 3 and the right axial-flow fan 4, left air-out air channel 5 comprises left air channel cavity 54, comprise left the first air outlet 51 in the left air channel cavity 54, 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, and 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, comprise right the first air outlet 61, right the second air outlet 62 and right the 3rd air outlet 63 in the right air channel cavity 64, 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, be 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 the cross-sectional distance of the right side first air outlet 61 of a left side first air outlet 51 of close left axial-flow fan 3, 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 all are that size diminishes gradually, the structure that increases gradually of size then, and this structure can be eliminated the abnormal sound in the air channel, reduces level of noise; In addition, in the situation that duct resistance increases (screen pack, heat exchanger dirty situation under), air-conditioning can not produce abnormal sound.
D1 is 1.3～2.0 times of D2, and D4 is 1.3～2.0 times of D5.Be 1.3～2.0 times of D2 as D1, D4 is 1.3～2.0 times of D5, and through test, its level of noise is lower than the air outlet structure that increases gradually, therefore, can eliminate the abnormal sound in left air-out air channel and right air-out air channel, has improved the comfort that the user uses.
As shown in Figure 2, a kind of noise control method may further comprise the steps:
S1. open air-conditioning; At first the 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 namely is equivalent to the rotating speed of left axial-flow fan 3 and right axial-flow fan 4, and after the 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, carry out exchange heat through heat exchanger 1, dividing plate 2 can separate two zones, then flow through behind left axial-flow fan 3 and the right axial-flow fan 4, discharge through left air-out air channel 5 and right air-out air channel 6.
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 are regulated 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 are regulated 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 produces suddenly big or suddenly small abnormal sound with unstable; 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 are regulated respectively left the second air outlet 52, right the second air outlet 62, thereby can eliminate abnormal sound, improve the comfort that the user uses.
Further, the rotating speed of setting left axial-flow fan 3 and right axial-flow fan 4 among the 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, among the 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 the 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 the product air quantity.
If setting the rotating speed of left axial-flow fan 3 and right axial-flow fan 4 is middle wind speed, among the 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 are regulated 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 that the user uses.
Be low wind speed if set the rotating speed of left axial-flow fan 3 and right axial-flow fan 4, among the 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 are regulated 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 that the user uses.
Further, described left 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 the rack-and-pinion transmission controlling mechanism, by the 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.Because above-mentioned is the known technology of theory of mechanics, Machine Design aspect, is not described in detail at this.
The above only is preferred embodiment of the present invention, should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can do the improvement of some suitable 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 on the technical solution of the present invention.
Claims (7)
1. Split floor-type indoor machine of air conditioner, comprise housing, be located at the heat exchanger (1) in the 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, also be respectively equipped with left air-out air channel (5) and right air-out air channel (6) on described left axial-flow fan (3) and the right axial-flow fan (4), left air-out air channel (5) comprises left air channel cavity (54), comprise left the first air outlet (51) in the left air channel cavity (54), 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), and 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), comprise right the first air outlet (61), right the second air outlet (62) and right the 3rd air outlet (63) in the right air channel cavity (64), 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, is used for regulating a left side second air outlet controlling organization of left the second air outlet (52) size and is used 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 connects left the second air outlet controlling organization and right the second air outlet controlling organization.
2. a noise control method is characterized in that utilizing a kind of Split floor-type indoor machine of air conditioner claimed in claim 1, may further comprise the 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 are regulated 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: among the 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 are regulated 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) among the 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, among the 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, among the 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 are regulated respectively left the second air outlet (52), right the second air outlet (62);
Be low wind speed if set the rotating speed of left axial-flow fan (3) and right axial-flow fan (4), among the 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 are regulated 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: described left 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, and right the second air outlet (62) cross-sectional distance is D5, and 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, it is characterized in that: described D1 is 1.3～2.0 times of D2, D4 is 1.3～2.0 times of D5.
7. a kind of noise control method according to claim 2, it is characterized in that: described left 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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| CN104566790A (en) * | 2014-12-17 | 2015-04-29 | 美的集团股份有限公司 | Control method and system for air conditioner and air conditioner |
| CN105387518A (en) * | 2015-10-21 | 2016-03-09 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN109718613A (en) * | 2018-12-11 | 2019-05-07 | 中国船舶重工集团公司第七一九研究所 | Control method and air cleaning unit of the air cleaning unit based on noise |
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| CN104422023A (en) * | 2013-08-29 | 2015-03-18 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and control method thereof |
| 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 |
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| CN109718613A (en) * | 2018-12-11 | 2019-05-07 | 中国船舶重工集团公司第七一九研究所 | Control method and air cleaning unit of the air cleaning unit based on noise |
| 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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