CN202209733U - air conditioner - Google Patents
air conditioner Download PDFInfo
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- CN202209733U CN202209733U CN2011203202685U CN201120320268U CN202209733U CN 202209733 U CN202209733 U CN 202209733U CN 2011203202685 U CN2011203202685 U CN 2011203202685U CN 201120320268 U CN201120320268 U CN 201120320268U CN 202209733 U CN202209733 U CN 202209733U
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- snail tongue
- aircondition
- fan blade
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- 241000237858 Gastropoda Species 0.000 claims description 188
- 230000002093 peripheral effect Effects 0.000 claims description 32
- 238000004378 air conditioning Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 22
- 238000010438 heat treatment Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 238000005057 refrigeration Methods 0.000 description 8
- 238000010998 test method Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to an air conditioning device, including evaporimeter, through-flow fan blade, preceding spiral shell tongue, back spiral shell tongue and wind channel, the wind channel is located between through-flow fan blade, the evaporimeter, and the wind channel includes the first arc line section in wind channel and wind channel second arc line section, the centre of a circle O of the first arc line section in wind channel1The track of the cross-flow fan blade is the circle center O of the cross-flow fan blade0Radius as the center of circle is R1The first arc line of the air ductThe arc length of the segment is 115 mm-129 mm, and the center of a circle O of a second arc segment of the air duct2The track of the cross-flow fan blade is the circle center O of the cross-flow fan blade0Radius as the center of circle is R2The arc length of the second arc segment of the air duct is 60 mm-70 mm, and the center O of the first arc segment of the air duct1And the circle center O of the cross-flow fan blade0On the straight line O0O1Center of circle O of second arc segment of air duct2And the circle center O of the cross-flow fan blade0On the straight line O0O2The included angle between the first arc line segment and the second arc line segment is 60-65 degrees, and a common tangent line is arranged at the end point of the first arc line segment of the air duct and the starting point of the second arc line segment of the air duct.
Description
Technical field
The utility model relates to a kind of aircondition.
Background technology
Air-conditioner is can be according to different application targets; Room air is remained on a kind of apparatus of the most comfortable state; Under summer indoor temperature condition with higher, it can reduce indoor temperature to indoor discharge low-temperature cold wind; Then can indoor temperature be raise in the winter time to the hot blast of indoor discharge higher temperature.The operation principle of air-conditioner is with the refrigerant through compressor, condensing machine, expansion gear, heat exchanger circulation, carry out heat exchange with air through heat exchanger after, interior space air is carried out changes in temperature regulates.
The structure of air-conditioner comprises, off-premises station that constitutes by compressor, condensing machine and expansion gear and the indoor set that constitutes by fan and heat exchanger, off-premises station and indoor set between interconnect through coolant piping.
The kind of air-conditioner can be divided into integral type and split type according to overall structure.Integral air conditioner integral body is made up of a cabinet, and detachable air conditioner is made up of with the off-premises station that is installed in the exterior space the indoor set that is installed in the space that needs air conditioning, and indoor set and off-premises station are separately independently.In recent years, the raising of Along with people's quality of life produces Effects of Noise when air-conditioner is worked, and detachable air conditioner is used widely.In addition, air-conditioner is provided with the position and can be divided into again according to indoor set, and the cabinet air conditioner, the suspension that uprightly are placed on indoor use are installed in the wall-hanging air conditioner that uses on the indoor wall and are installed in the ceiling board air conditioner device that use at indoor top.
The structure of the indoor set of cabinet air conditioner comprises substantially; Housing, the housing front is connected and installed with front panel, and housing is connected and installed with back shroud at the back; Enclosure interior is equipped with fan, spiral case and heat exchanger; Spiral case is installed in lower housing portion, and fan is installed in spiral case inside, and heat exchanger is installed in the spiral case exit.Be provided with the ponding dish between spiral case and the heat exchanger.After air-conditioning was opened, fan rotated, and wind through spiral case and blow to indoorly through heat exchanger, is carried out the adjusting of indoor air temperature.
The raising of Along with people's living standard and national efficiency standard, performances such as the air quantity of aircondition and noise have more and more received people's attention.The air channel of tradition aircondition is for being generally horizontal centrifugal air channel, and the air channel molded lines is more fixing, and has that air quantity is smaller, noise is bigger, the tonequality of complete machine is general.Therefore, for better head it off, need carry out new molded lines optimization to the air channel.
The utility model content
The purpose of the utility model is to provide a kind of can reduce noise, improve psycho-acoustical quality and the big aircondition of air quantity.
A kind of aircondition; Comprise evaporimeter, through-flow fan blade, preceding snail tongue, back snail tongue and air channel, said air channel is characterized in that between said through-flow fan blade, evaporimeter; Said air channel comprises air channel first arc and air channel second arc, the center of circle O of said air channel first arc
1Track be center of circle O with said through-flow fan blade
0For center of circle radius is R
1Circle, the arc length of said air channel first arc is 115mm～129mm, the center of circle O of said air channel second arc
2Track be center of circle O with said through-flow fan blade
0For center of circle radius is R
2Circle, the arc length of said air channel second arc is 60mm～70mm, the center of circle O of said air channel first arc
1Center of circle O with said through-flow fan blade
0Place straight line O
0O
1, said air channel second arc center of circle O
2Center of circle O with said through-flow fan blade
0Place straight line O
0O
2Between angle be 60 °～65 °, said air channel second arc is a starting point with the terminal point of said air channel first arc, the terminal point of first arc and the second arc starting point place, said air channel have common tangent in said air channel.
Further, the arc length of said air channel first arc is 119mm～121mm; The arc length of said air channel second arc is 63mm～65mm.
Further, the arc length of said air channel first arc is 120.15mm; The arc length of said air channel second arc is 64.46mm.
Further, the center of circle O of said air channel first arc
1Center of circle O with said through-flow fan blade
0Place straight line O
0O
1, said air channel second arc center of circle O
2Center of circle O with said through-flow fan blade
0Place straight line O
0O
2Between angle be 62 °～64 °.
Further, the center of circle O of said air channel first arc
1Center of circle O with said through-flow fan blade
0Place straight line O
0O
1, said air channel second arc center of circle O
2Center of circle O with said through-flow fan blade
0Place straight line O
0O
2Between angle be 63 °.
Further, the radius of said through-flow fan blade is R
0, R
1/ R
0Scope is 0.25～0.55, R
2/ R
0Scope is 2.25～4.45.
Further, the radius of said through-flow fan blade is R
0, R
1/ R
0Value is 0.45, R
2/ R
0Value is 3.35.
Further, the radius R of said air channel first arc
3Scope is 77.5mm～87.5mm, the radius R of said air channel second arc
4Scope is 78.5mm～188.6mm.
Further, the radius R of said air channel first arc
3Scope is 85mm～87mm, the radius R of said air channel second arc
4Scope is 185mm～188mm.
Further, the radius R of said air channel first arc
3Be 86.67mm, the radius R of said air channel second arc
4Be 187.65mm.
Further, said preceding snail tongue and the outer peripheral minimum clearance of said through-flow fan blade are 6.5mm～7.5mm, and the minimum clearance of said preceding snail tongue and said air channel second arc is 110mm～112mm.
Further, said preceding snail tongue and the outer peripheral minimum clearance of said through-flow fan blade are 7.12mm, and the minimum clearance of said preceding snail tongue and said air channel second arc is 111mm.
Further; Snail tongue first arc, preceding snail tongue first straightway, preceding snail tongue second arc, preceding snail tongue second straightway, preceding snail tongue the 3rd arc before the molded lines of snail tongue comprises successively before said, the angular range between said preceding snail tongue first straightway and preceding snail tongue second straightway is 40 °～50 °.
Further, the radius of snail tongue first arc is that the radius of 6.78mm, preceding snail tongue second arc is that the radius of 3.05mm, preceding snail tongue the 3rd arc is 0.21mm before said.
Further, the angle between said preceding snail tongue first straightway and said preceding snail tongue second straightway is 46 °.
Further, the minimum clearance at said back snail tongue and said through-flow fan blade edge is 5～6mm.
Further, said back snail tongue and the outer peripheral minimum clearance of said through-flow fan blade are 5.43mm.
Further, the end angle of said back snail tongue is 2 °～6 °.
Further, the end angle of said back snail tongue is 3 °.
Further, said aircondition also comprises housing, in the front side of said housing air inlet is set, and said air inlet and said evaporimeter are oppositely arranged, and the rear side of said housing sets out the air port.
Further, said preceding snail tongue is arranged on the air outlet place, said preceding snail tongue and said housing clamping.
Further, said air channel and said through-flow fan blade vertically are provided with respect to said base.
Further; Said air channel also comprises air channel the 3rd straightway; Said air channel the 3rd straightway and said air channel second arc are tangent; The starting point of said air channel the 3rd straightway, the terminal point of air channel second arc, air channel the 3rd straightway overlap with the point of contact of said air channel second arc, and the length of said air channel the 3rd straightway is 20mm～25mm.
The utility model also provides other a kind ofly can reduce noise, improve psycho-acoustical quality and the big aircondition of air quantity.
A kind of aircondition comprises housing, base, end cap, evaporimeter, through-flow fan blade, preceding snail tongue, back snail tongue and air channel.The air channel is characterized in that between through-flow fan blade and evaporimeter the air channel comprises air channel first arc, air channel first straightway and air channel second straightway, the center of circle O of air channel first arc
1Track be center of circle O with through-flow fan blade
0Be the center of circle, radius is R
1Circle, length is 115mm～129mm; The terminal point of the starting point of air channel first straightway and air channel first arc is tangent; The length of said air channel first straightway is 10mm～15mm; Said air channel second straightway links to each other with said air channel first straightway; And angle is 170 °～180 °, and the length of said air channel second straightway is 60mm～65mm.
Further, the arc length of said air channel first arc is 119mm～129mm.
Further, the arc length of said air channel first arc is 126.7mm.
Further, the length of said air channel first straightway is 13.22mm, and the length of said air channel second straightway is 61.4mm.
Further, said air channel second straightway and the said air channel first straightway angle are 174 °.
Further, the radius R of said air channel first arc
3Scope is 77.5mm～87.5mm.
Further, the radius R of said air channel first arc
3Value is 78.5mm.
Further; Snail tongue first arc, preceding snail tongue first straightway, preceding snail tongue second arc, preceding snail tongue second straightway, preceding snail tongue the 3rd arc before the molded lines of snail tongue comprises successively before said; Angle between preceding snail tongue first straightway and preceding snail tongue second straightway is 25 °～35 °; Preceding snail tongue first arc and preceding snail tongue first straightway are tangent, and preceding snail tongue second straightway and preceding snail tongue second arc and preceding snail tongue the 3rd arc are tangent.
Further, the radius of snail tongue first arc is that the radius of 5.57mm, preceding snail tongue second arc is that the radius of 2.93mm, preceding snail tongue the 3rd arc is 0.20mm before said.
Further, the minimum clearance of said preceding snail tongue and through-flow fan blade is 2.50～3.50mm.
Further, said preceding snail tongue and the outer peripheral minimum clearance of through-flow fan blade are 3mm.
Further, the minimum clearance of said preceding snail tongue and said air channel second straightway is 50.50～60.50mm.
Further, the minimum clearance of said preceding snail tongue and said air channel second straightway is 55.42mm.
Further, said back snail tongue and the outer peripheral minimum clearance of through-flow fan blade are 6.5～7.5mm.
Further, said back snail tongue and the outer peripheral minimum clearance of said through-flow fan blade through-flow fan blade are 5.43mm.
Further, the end angle of said back snail tongue is 4 °～8 °.
Further, the end angle of said back snail tongue is 6 °.
Further, said aircondition also comprises housing, in the front side of said housing air inlet is set, and said air inlet and said evaporimeter are oppositely arranged, and the rear side of said housing sets out the air port.
Further, in the front side of said housing air inlet is set, and air inlet and evaporimeter be oppositely arranged, the rear side of housing sets out the air port.
Further, through-flow fan blade is installed on base and the end cap, and the area of base is greater than the area of end cap.
The utility model has following beneficial effect compared with prior art:
The utility model will improve the parameter of air channel molded lines, the spacing of snail tongue and through-flow fan blade improved, and the diameter that strengthens through-flow fan blade, above-mentioned improvement makes that the aircondition noise reduces, psycho-acoustical quality improves and air quantity also increases.
Description of drawings
Fig. 1 is the stereogram of present technique scheme specific embodiment aircondition;
Fig. 2 is the part stereogram of present technique scheme specific embodiment aircondition;
Fig. 3 is the sectional view of present technique scheme specific embodiment aircondition;
Fig. 4 is the air channel molded lines sketch map of first kind of specific embodiment of present technique scheme;
Fig. 5 is the air channel molded lines sketch map of second kind of present technique scheme, the third specific embodiment;
Fig. 6 is air quantity, the noise relationship figure that the air channel of first kind of specific embodiment of present technique scheme records in arc length, radius;
Fig. 7 is air quantity, the noise relationship figure that the air channel of first kind of specific embodiment of present technique scheme records in preceding snail tongue and through-flow fan blade interstice coverage;
Fig. 8 is air quantity, the noise relationship figure that the air channel of first kind of specific embodiment of present technique scheme records in back snail tongue and through-flow fan blade interstice coverage;
Fig. 9 is air quantity, the noise relationship figure that the air channel of second kind of specific embodiment of present technique scheme records in arc length, radius;
Figure 10 is that the air channel of second kind of specific embodiment of present technique scheme is at O
0O
1With O
0O
2The air quantity that records in the scope, noise relationship figure;
Figure 11 is air quantity, the noise relationship figure that the air channel of second kind of specific embodiment of present technique scheme records in preceding snail tongue and through-flow fan blade interstice coverage;
Figure 12 is air quantity, the noise relationship figure that the air channel of second kind of specific embodiment of present technique scheme records in back snail tongue and through-flow fan blade interstice coverage;
Figure 13 is the sketch map of snail tongue 7 before the present technique scheme.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Below in conjunction with a plurality of accompanying drawings and embodiment the present technique scheme is done further explanation.
Please consult Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Figure 13 in the lump, the utility model provides first kind of embodiment, and aircondition 1 comprises housing 2, base 3, end cap 4, evaporimeter 5, through-flow fan blade 6, preceding snail tongue 7, back snail tongue 8 and air channel 9.Air channel 9 is between through-flow fan blade 6 and evaporimeter 5, and air channel 9 comprises air channel first arc 11, the air channel first straightway 9a and the air channel second straightway 9b, the center of circle O of the air channel first arc 9a
1Track be center of circle O with through-flow fan blade
0Be the center of circle, radius is R
1Circle, length is 115～129mm, the arc length of said air channel first arc is 119～129mm, present embodiment is preferably 126.7mm; The radius R of air channel first arc
3Scope is 77.5mm～87.5mm, and the present embodiment preferred value is 78.5mm.
Air channel first straightway 9a and air channel first arc 11 are tangent, and its length is 10～15mm, and present embodiment is preferably: 13.22mm; The air channel second straightway 9b links to each other with air channel first arc 11, and angle is 170 °～180 °, and present embodiment is preferably 174 °, and the length of said air channel second straightway is 60～65mm, and the present embodiment preference data is 61.4mm.
In the front side of housing 2 air inlet 12 is set, and air inlet 12 is oppositely arranged with evaporimeter 5, the rear side of housing 2 sets out air port 13.
Preceding snail tongue 7 is arranged on air outlet 13 places, preceding snail tongue 7 and housing 2 clampings.Preceding snail tongue 7 is 2.50～3.50mm with through-flow fan blade 6 outer peripheral minimum clearances, and the present embodiment preference data is 3.00mm; Preceding snail tongue 7 is 50.50～60.50mm with the minimum clearance of air channel second straightway, and the present embodiment preference data is 55.42mm; The snail tongue first arc 7a, the preceding snail tongue first straightway 7b, the preceding snail tongue second arc 7c, the preceding snail tongue second straightway 7d, preceding snail tongue the 3rd arc 7e before the molded lines of preceding snail tongue 7 comprises successively; Angle between preceding snail tongue first straightway 7b and the preceding snail tongue second straightway 7d is 25 °～35 °; Preferably; Angle between preceding snail tongue first straightway 7b and the preceding snail tongue second straightway 7d is 30 °; Preceding snail tongue first arc and preceding snail tongue first straightway are tangent, and preceding snail tongue second straightway and preceding snail tongue second arc and preceding snail tongue the 3rd arc are tangent.Before the radius of snail tongue first arc be that the radius of 5.57mm, preceding snail tongue second arc is that the radius of 2.93mm, preceding snail tongue the 3rd arc is 0.20mm.Snail tongue 7 is 5.50～6.50mm with the minimum clearance H1 of through-flow fan blade 6 before the preceding snail tongue, and the preferred data of present embodiment are 5.98mm.
Back snail tongue 8 is 6.5～7.5mm with through-flow fan blade 6 outer peripheral minimum clearance H 2, and the present embodiment preference data is 6.32mm.The end angle [alpha] of back snail tongue 7 is 4 °～8 °, and present embodiment is preferably 6 °.
Through-flow fan blade 6 is installed on base 3 and the end cap 4.The area of base 3 is greater than the area of end cap 4.
If adopt sound pick-up to existing indoor apparatus of air conditioner with adopt the noise radiation of the regulation and control indoor set of indoor apparatus of air conditioner back cover among the utility model embodiment to test, sound pick-up is placed on 1m place before the indoor apparatus of air conditioner, and sound pick-up is apart from ground level 1m; And be provided with civil power to indoor apparatus of air conditioner; And indoor apparatus of air conditioner in the pattern of quiet windscreen, low wind shelves, middle windscreen, high wind shelves and superpower windscreen, is given tacit consent to the wind-guiding angle, specified cooling condition respectively; Air-conditioning is to test under the refrigeration mode condition, and the experimental data that draws is following:
(1) the total level of noise, air quantity and the rotary speed data that under the preference data condition, record for first kind of embodiment of the utility model of table 1; Total level of noise, air quantity and rotary speed data that table 2 records for existing air-conditioner under these conditions.Contrast can know that under refrigeration mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 1
Table 2
If adopt sound pick-up to existing indoor apparatus of air conditioner with adopt the noise radiation of the regulation and control indoor set of indoor apparatus of air conditioner back cover among the utility model embodiment to test, sound pick-up is placed on 1m place before the indoor apparatus of air conditioner, and sound pick-up is apart from ground level 1m; And be provided with civil power to indoor apparatus of air conditioner; And indoor apparatus of air conditioner in the pattern of quiet windscreen, low wind shelves, middle windscreen, high wind shelves and superpower windscreen, is given tacit consent to the wind-guiding angle, specified heating condition respectively; Air-conditioning is to test under the heating mode condition, and the experimental data that draws is following:
(2) the total level of noise, air quantity and the rotary speed data that under the preference data condition, record for first kind of embodiment of the utility model of table 3; Total level of noise, air quantity and rotary speed data that table 4 records for existing air-conditioner under these conditions.Contrast can know that under heating mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 3
Table 4
Same, Fig. 6 is air quantity, the noise relationship figure that the air channel of a kind of specific embodiment of present technique scheme records in arc length, radius; The arc length of first arc is 115～129mm in the air channel; Radius is under the condition of 77.5～87.5mm; Adopt sound pick-up to existing indoor apparatus of air conditioner; Test with the noise radiation that adopts the regulation and control indoor set of indoor apparatus of air conditioner back cover among the utility model embodiment, sound pick-up is placed on 1m place before the indoor apparatus of air conditioner, and sound pick-up is apart from ground level 1m; And be provided with civil power to indoor apparatus of air conditioner, and indoor apparatus of air conditioner is respectively in the pattern of quiet windscreen, low wind shelves, middle windscreen, high wind shelves and superpower windscreen, acquiescence wind-guiding angle; Specified cooling condition, air-conditioning are to test under the heating mode condition, noise that draws and air quantity concern sketch map; As can be seen from the figure; Arc length at first arc is 115～129mm, and radius is under the condition of 77.5～87.5mm, and noise was also corresponding when air quantity increased reduces.
(3) arc length of air channel first arc is 115mm; Radius is 77.5; The length of air channel first straightway is 10mm, and the length of air channel second straightway is 60mm, and the angle of air channel first straightway and air channel second straightway is 170 °; Preceding snail tongue 7 is 2.50mm with through-flow fan blade 6 outer peripheral minimum clearances; Back snail tongue 8 is 6.5mm with through-flow fan blade 6 outer peripheral minimum clearance H2, and the end angle of back snail tongue is under 4 ° the condition, to record following data: total level of noise, air quantity and rotary speed data that table 5 records for the utility model embodiment under these conditions; Total level of noise, air quantity and rotary speed data that table 6 records for existing air-conditioner under these conditions.Contrast can know that under refrigeration mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 5
Table 6
(4) arc length of air channel first arc is 129mm; Radius is 87.5; The length of air channel first straightway is 15mm, and the length of air channel second straightway is 65mm, and the angle of air channel first straightway and air channel second straightway is 180 °; Preceding snail tongue 7 is 3.50mm with through-flow fan blade 6 outer peripheral minimum clearances; Back snail tongue 8 is 7.5mm with through-flow fan blade 6 outer peripheral minimum clearance H 2, and the end angle of back snail tongue is under 8 ° the condition, to record following data: total level of noise, air quantity and rotary speed data that table 7 records for the utility model embodiment under these conditions; Total level of noise, air quantity and rotary speed data that table 8 records for existing air-conditioner under these conditions.Contrast can know that under refrigeration mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 7
Table 8
(5) arc length of air channel first arc is 119mm; Radius is 77.5; The length of air channel first straightway is 10mm, and the length of air channel second straightway is 60mm, and the angle of air channel first straightway and air channel second straightway is 170 °; Preceding snail tongue 7 is 2.50mm with through-flow fan blade 6 outer peripheral minimum clearances; Back snail tongue 8 is 6.5mm with through-flow fan blade 6 outer peripheral minimum clearance H 2, and the end angle of back snail tongue is under 4 ° the condition, to record following data: total level of noise, air quantity and rotary speed data that table 9 records for the utility model embodiment under these conditions; Total level of noise, air quantity and rotary speed data that table 10 records for existing air-conditioner under these conditions.Contrast can know that under refrigeration mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 9
Table 10
(6) arc length of air channel first arc is 129mm; Radius is 77.5; The length of air channel first straightway is 10mm, and the length of air channel second straightway is 60mm, and the angle of air channel first straightway and air channel second straightway is 180 °; Preceding snail tongue 7 is 3.50mm with through-flow fan blade 6 outer peripheral minimum clearances; Back snail tongue 8 is 7.5mm with through-flow fan blade 6 outer peripheral minimum clearance H 2, and the end angle of back snail tongue is under 8 ° the condition, to record following data: total level of noise, air quantity and rotary speed data that table 11 records for the utility model embodiment under these conditions; Total level of noise, air quantity and rotary speed data that table 12 records for existing air-conditioner under these conditions.Contrast can know that under refrigeration mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 11
Table 12
Fig. 7 is air quantity, the noise relationship figure that the air channel of first kind of specific embodiment of present technique scheme records in preceding snail tongue and through-flow fan blade interstice coverage; Method of testing is identical with Fig. 6, do not give unnecessary details at this, and as can be seen from the figure, be that noise was also corresponding when air quantity increased reduces under 5.5～6.5 the condition in preceding snail tongue and through-flow fan blade gap.Fig. 8 is air quantity, the noise relationship figure that the air channel of a kind of specific embodiment of present technique scheme records in back snail tongue and through-flow fan blade interstice coverage; Method of testing is identical with Fig. 6, do not give unnecessary details at this, and as can be seen from the figure, be that noise was also corresponding when air quantity increased reduces under 6.5～7.5 the condition in preceding snail tongue and through-flow fan blade gap.
The utility model also provides second kind of embodiment, please consults Fig. 1, Fig. 2, Fig. 3, Fig. 5 and Figure 13 in the lump, and aircondition 1 comprises housing 2, base 3, end cap 4, evaporimeter 5, through-flow fan blade 6, preceding snail tongue 7, back snail tongue 8 and air channel 9.Air channel 9 is between through-flow fan blade 6 and evaporimeter 5, and air channel 9 comprises air channel first arc, air channel second arc, the center of circle O of air channel first arc
1Track be center of circle O with through-flow fan blade
0Be the center of circle, radius is R
1Circle, the arc length of said air channel first arc is 115～129mm, the arc length of said air channel first arc also can be 119～121mm, present embodiment is preferably 120.15mm; The radius R of air channel first arc
3Scope is 77.5～87.5mm, and the present embodiment preferred value is 86.67mm; The center of circle O of said air channel second arc
2Track be center of circle O with said through-flow fan blade
0For center of circle radius is R
2Circle, the arc length of said air channel second arc is 60～70mm, the arc length of said air channel second arc also can be 63～65mm, the present embodiment preference data is 64.46mm.
Center of circle O
2Track be center of circle O with through-flow fan blade
0For center of circle radius is R
2Circle, length is 60～70mm, present embodiment is preferably 64.46mm.
The radius of wherein setting through-flow fan blade is R
0, R
1/ R
0Scope is 0.25～0.55, R
2/ R
0Scope is 2.25～4.45, the center of circle O of air channel first arc
1Center of circle O with through-flow fan blade
0Place straight line O
0O
1, air channel second arc center of circle O
2Center of circle O with through-flow fan blade
0Place straight line O
0O
2Between angle be 60 °～65 °, the center of circle O of said air channel first arc
1Center of circle O with said through-flow fan blade
0Place straight line O
0O
1, said air channel second arc center of circle O
2Center of circle O with said through-flow fan blade
0Place straight line O
0O
2Between angle also can be 62 °～64 °.The present embodiment preference data is 63 °, and air channel second arc is a starting point with the terminal point of air channel first arc, and the terminal point of first arc and the second arc starting point place, air channel have common tangent in the air channel.Wherein, the radius R of air channel first arc
3Scope is 77.5mm～87.5mm, the radius R of said air channel first arc
3Scope also can be 85mm～87mm, and preferred value is 86.67mm; Radius R 4 scopes of air channel second arc are 78.5mm～188.6mm, and radius R 4 scopes of said air channel second arc also can be 185mm～188mm, and the present embodiment preferred value is 187.65mm.
In the front side of housing 2 air inlet 12 is set, and air inlet 12 is oppositely arranged with evaporimeter 5, the rear side of housing 2 sets out air port 13.
Preceding snail tongue 7 is arranged on air outlet 13 places, preceding snail tongue 7 and housing 2 clampings.Preceding snail tongue 7 is 6.5～7.5 with through-flow fan blade 6 outer peripheral minimum clearance H1; The present embodiment preference data is 7.12mm; Preceding snail tongue 7 is 110～112mm with the minimum clearance of air channel second arc; The present embodiment preference data is 111mm; Snail tongue first arc, preceding snail tongue first straightway, preceding snail tongue second arc, preceding snail tongue second straightway, preceding snail tongue the 3rd arc before the molded lines of preceding snail tongue 7 comprises successively, the angle between preceding snail tongue first straightway and preceding snail tongue second straightway is 40 °～50 °, the present embodiment preference data is 46 °.Before the radius of snail tongue first arc be that the radius of 6.78mm, preceding snail tongue second arc is that the radius of 3.05mm, preceding snail tongue the 3rd arc is 0.21mm.
Back snail tongue 8 is that H2 is 5～6mm with through-flow fan blade 6 outer peripheral minimum clearances, and the present embodiment preference data is 5.43mm.The end angle [alpha] of back snail tongue 7 is that 2 °～6 ° present embodiment preference data are 3 °.
Through-flow fan blade 6 is installed on base 3 and the end cap 4.The area of base 3 is greater than the area of end cap 4.
If adopt sound pick-up to existing indoor apparatus of air conditioner with adopt the noise radiation of the regulation and control indoor set of indoor apparatus of air conditioner back cover among the utility model embodiment to test, sound pick-up is placed on 1m place before the indoor apparatus of air conditioner, and sound pick-up is apart from ground level 1m; And be provided with civil power to indoor apparatus of air conditioner; And indoor apparatus of air conditioner in the pattern of quiet windscreen, low wind shelves, middle windscreen, high wind shelves and superpower windscreen, is given tacit consent to the wind-guiding angle, specified cooling condition respectively; Air-conditioning is to test under the refrigeration mode condition, and the experimental data that draws is following:
(7) the total level of noise, air quantity and the rotary speed data that under the preference data condition, record for second kind of embodiment of the utility model of table 13; Total level of noise, air quantity and rotary speed data that table 14 records for existing air-conditioner under these conditions.Contrast can know that under refrigeration mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 13
Table 14
If adopt sound pick-up to existing indoor apparatus of air conditioner with adopt the noise radiation of the regulation and control indoor set of indoor apparatus of air conditioner back cover among the utility model embodiment to test, sound pick-up is placed on 1m place before the indoor apparatus of air conditioner, and sound pick-up is apart from ground level 1m; And be provided with civil power to indoor apparatus of air conditioner; And indoor apparatus of air conditioner in the pattern of quiet windscreen, low wind shelves, middle windscreen, high wind shelves and superpower windscreen, is given tacit consent to the wind-guiding angle, specified heating condition respectively; Air-conditioning is to test under the heating mode condition, and the experimental data that draws is following:
(8) the total level of noise, air quantity and the rotary speed data that under the preference data condition, record for second kind of embodiment of the utility model of table 15; Total level of noise, air quantity and rotary speed data that table 16 records for existing air-conditioner under these conditions.Contrast can know that under heating mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 15
Table 16
(9) arc length of air channel first arc is 115mm, and radius is 77.5mm, and the arc length of air channel second arc is 60mm, and radius is 78.5mm, O
0O
2With O
0O
1Angle be 60 °, preceding snail tongue 7 is 5.50mm with the outer peripheral minimum clearance of through-flow fan blade, back snail tongue 8 and through-flow fan blade 6 outer peripheral minimum clearances are 6.5mm, the radius of said through-flow fan blade is R
0, R
1/ R
0Be 0.25, R
2/ R
0Be 2.25, the end angle of back snail tongue is under 2 ° the condition, to record following data: total level of noise, air quantity and rotary speed data that table 17 records for second kind of embodiment of the utility model under these conditions; Total level of noise, air quantity and rotary speed data that table 18 records for existing air-conditioner under these conditions.Contrast can know that under heating mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 17
Table 18
(9) arc length of air channel first arc is 129mm, and radius is 87.5mm, and the arc length of air channel second arc is 70mm, and radius is 188.6mm, O
0O
2With O
0O
1Angle be 70 °, preceding snail tongue and the outer peripheral minimum clearance of through-flow fan blade are 6.50mm, back snail tongue 8 is 7.5mm with through-flow fan blade 6 outer peripheral minimum clearances, the radius of said through-flow fan blade is R
0, R
1/ R
0Be 0.55, R
2/ R
0Be 4.45, the end angle of back snail tongue is under 6 ° the condition, to record following data: total level of noise, air quantity and rotary speed data that table 19 records for second kind of embodiment of the utility model under these conditions; Total level of noise, air quantity and rotary speed data that table 20 records for existing air-conditioner under these conditions.Contrast can know that under heating mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 19
Table 20
(10) arc length of air channel first arc is 119mm, and radius is 85mm, and the arc length of air channel second arc is 63mm, and radius is 185mm, O
0O
2With O
0O
1Angle be 62 °, preceding snail tongue 7 is 5.50mm with the outer peripheral minimum clearance of through-flow fan blade, back snail tongue 8 and through-flow fan blade 6 outer peripheral minimum clearances are 6.5mm, the radius of said through-flow fan blade is R
0, R
1/ R
0Be 0.25, R
2/ R
0Be 2.25, the end angle of back snail tongue is under 2 ° the condition, to record following data: total level of noise, air quantity and rotary speed data that table 21 records for second kind of embodiment of the utility model under these conditions; Total level of noise, air quantity and rotary speed data that table 22 records for existing air-conditioner under these conditions.Contrast can know that under heating mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 21
Table 22
(11) arc length of air channel first arc is 121mm, and radius is 87mm, and the arc length of air channel second arc is 65mm, and radius is 188mm, O
0O
2With O
0O
1Angle be 64 °, preceding snail tongue 7 is 5.50mm with the outer peripheral minimum clearance of through-flow fan blade, back snail tongue 8 and through-flow fan blade 6 outer peripheral minimum clearances are 6.5mm, the radius of said through-flow fan blade is R
0, R
1/ R
0Be 0.55, R
2/ R
0Be 4.45, the end angle of back snail tongue is under 6 ° the condition, to record following data: total level of noise, air quantity and rotary speed data that table 23 records for second kind of embodiment of the utility model under these conditions; Total level of noise, air quantity and rotary speed data that table 24 records for existing air-conditioner under these conditions.Contrast can know that under heating mode, the utility model rotating speed reduces through experimental data, and level of noise reduces, and air quantity increases.
Table 23
Table 24
Fig. 9 is air quantity, the noise relationship figure that the air channel of second kind of specific embodiment of present technique scheme records in arc length, radius; Method of testing is identical with Fig. 6, does not give unnecessary details at this, as can be seen from the figure; The arc length of first arc is 115～129mm in the air channel, and the arc length of air channel second arc is 115～129mm, and the radius of air channel first arc is 77.5～87.5mm; The radius of air channel second arc is 77～189mm; The arc length of air channel first arc is 115～129mm, and the arc length of air channel second arc is under the condition of 60～70mm, and noise was also corresponding when air quantity increased reduces.Figure 10 is that the air channel of second kind of specific embodiment of present technique scheme is at O
0O
1With O
0O
2The air quantity that records in the scope, noise relationship figure; Method of testing is identical with Fig. 6, do not give unnecessary details at this, as can be seen from the figure, at O
0O
1With O
0O
2Angle be under 60 °～70 ° the condition, noise was also corresponding when air quantity increased reduces.Figure 11 is air quantity, the noise relationship figure that the air channel of the another kind of specific embodiment of present technique scheme records in preceding snail tongue and through-flow fan blade interstice coverage; Method of testing is identical with Fig. 6, do not give unnecessary details at this, and as can be seen from the figure, be under the condition of 5.5～6.5mm at preceding snail tongue and through-flow fan blade gap, noise was also corresponding when air quantity increased reduces.Figure 12 is air quantity, the noise relationship figure that the air channel of second kind of specific embodiment of present technique scheme records in back snail tongue and through-flow fan blade interstice coverage; Method of testing is identical with Fig. 6, do not give unnecessary details at this, and be in the scope of 6.5～7.5mm at back snail tongue and through-flow fan blade gap, noise was also corresponding when air quantity increased reduces.
As the third embodiment, with reference to Fig. 5, said aircondition is on the basis of second kind of embodiment; Said air channel 9 also comprises air channel the 3rd straightway 14; Said air channel the 3rd straightway 14 is tangent with said air channel second arc 10, and the terminal point of the starting point of air channel the 3rd straightway 14, air channel second arc 10 and air channel the 3rd straightway 14 overlap with the point of contact of said air channel second arc 10, and the length of said air channel the 3rd straightway 14 is 20～25mm; Present embodiment is preferably 24.4mm; Under the situation that increases the straight line section, do not influence the noise and the air quantity in this air channel, the straightway of increase just plays the air channel is acted on more smoothly.With upper air duct can also can be the beam wind road for vertical air channel.
The related aircondition of present technique scheme improves the parameter of air channel molded lines; Spacing to snail tongue and through-flow fan blade is improved; And the diameter that strengthens through-flow fan blade, above-mentioned improvement makes that the aircondition noise reduces, psycho-acoustical quality improves and air quantity also increases.
Above-listed detailed description is specifying to one of the utility model possible embodiments; This embodiment is not the claim in order to restriction the utility model; Allly do not break away from the equivalence that the utility model does and implement or change, all should be contained in the claim of this case.
Claims (43)
1. aircondition; Comprise evaporimeter, through-flow fan blade, preceding snail tongue, back snail tongue and air channel, said air channel is characterized in that between said through-flow fan blade, evaporimeter; Said air channel comprises air channel first arc and air channel second arc, the center of circle O of said air channel first arc
1Track be center of circle O with said through-flow fan blade
0For center of circle radius is R
1Circle, the arc length of said air channel first arc is 115mm～129mm, the center of circle O of said air channel second arc
2Track be center of circle O with said through-flow fan blade
0For center of circle radius is R
2Circle, the arc length of said air channel second arc is 60mm～70mm, the center of circle O of said air channel first arc
1Center of circle O with said through-flow fan blade
0Place straight line O
0O
1, said air channel second arc center of circle O
2Center of circle O with said through-flow fan blade
0Place straight line O
0O
2Between angle be 60 °～65 °, said air channel second arc is a starting point with the terminal point of said air channel first arc, the terminal point of first arc and the second arc starting point place, said air channel have common tangent in said air channel.
2. aircondition as claimed in claim 1 is characterized in that, the arc length of said air channel first arc is 119mm～121mm; The arc length of said air channel second arc is 63mm～65mm.
3. aircondition as claimed in claim 2 is characterized in that, the arc length of said air channel first arc is 120.15mm; The arc length of said air channel second arc is 64.46mm.
4. aircondition as claimed in claim 1 is characterized in that, the center of circle O of said air channel first arc
1Center of circle O with said through-flow fan blade
0Place straight line O
0O
1, said air channel second arc center of circle O
2Center of circle O with said through-flow fan blade
0Place straight line O
0O
2Between angle be 62 °～64 °.
5. aircondition as claimed in claim 4 is characterized in that, the center of circle O of said air channel first arc
1Center of circle O with said through-flow fan blade
0Place straight line O
0O
1, said air channel second arc center of circle O
2Center of circle O with said through-flow fan blade
0Place straight line O
0O
2Between angle be 63 °.
6. aircondition as claimed in claim 1 is characterized in that, the radius of said through-flow fan blade is R
0, R
1/ R
0Scope is 0.25～0.55, R
2/ R
0Scope is 2.25～4.45.
7. aircondition as claimed in claim 6 is characterized in that, the radius of said through-flow fan blade is R
0, R
1/ R
0Value is 0.45, R
2/ R
0Value is 3.35.
8. aircondition as claimed in claim 1 is characterized in that, the radius R of said air channel first arc
3Scope is 77.5mm～87.5mm, the radius R of said air channel second arc
4Scope is 78.5mm～188.6mm.
9. aircondition as claimed in claim 8 is characterized in that, the radius R of said air channel first arc
3Scope is 85mm～87mm, the radius R of said air channel second arc
4Scope is 185mm～188mm.
10. aircondition as claimed in claim 9 is characterized in that, the radius R of said air channel first arc
3Be 86.67mm, the radius R of said air channel second arc
4Be 187.65mm.
11. aircondition as claimed in claim 1 is characterized in that, said preceding snail tongue and the outer peripheral minimum clearance of said through-flow fan blade are 6.5mm～7.5mm, and the minimum clearance of said preceding snail tongue and said air channel second arc is 110mm～112mm.
12. aircondition as claimed in claim 11 is characterized in that, said preceding snail tongue and the outer peripheral minimum clearance of said through-flow fan blade are 7.12mm, and the minimum clearance of said preceding snail tongue and said air channel second arc is 111mm.
13. aircondition as claimed in claim 12; It is characterized in that; Snail tongue first arc, preceding snail tongue first straightway, preceding snail tongue second arc, preceding snail tongue second straightway, preceding snail tongue the 3rd arc before the molded lines of snail tongue comprises successively before said, the angular range between said preceding snail tongue first straightway and preceding snail tongue second straightway is 40 °～50 °.
14. aircondition as claimed in claim 13 is characterized in that, said before the radius of snail tongue first arc be that the radius of 6.78mm, preceding snail tongue second arc is that the radius of 3.05mm, preceding snail tongue the 3rd arc is 0.21mm.
15. aircondition as claimed in claim 13 is characterized in that, the angle between said preceding snail tongue first straightway and said preceding snail tongue second straightway is 46 °.
16. aircondition as claimed in claim 1 is characterized in that, the minimum clearance at said back snail tongue and said through-flow fan blade edge is 5～6mm.
17. aircondition as claimed in claim 16 is characterized in that, said back snail tongue and the outer peripheral minimum clearance of said through-flow fan blade are 5.43mm.
18. aircondition as claimed in claim 1 is characterized in that, the end angle of said back snail tongue is 2 °～6 °.
19. aircondition as claimed in claim 18 is characterized in that, the end angle of said back snail tongue is 3 °.
20. aircondition as claimed in claim 1 is characterized in that, said aircondition also comprises housing, in the front side of said housing air inlet is set, and said air inlet and said evaporimeter are oppositely arranged, and the rear side of said housing sets out the air port.
21. the aircondition as claim 20 is stated is characterized in that, said preceding snail tongue is arranged on the air outlet place, said preceding snail tongue and said housing clamping.
22. aircondition as claimed in claim 21 is characterized in that, said air channel and said through-flow fan blade vertically are provided with respect to said base.
23. aircondition as claimed in claim 1; It is characterized in that; Said air channel also comprises air channel the 3rd straightway; Said air channel the 3rd straightway and said air channel second arc are tangent, and the starting point of said air channel the 3rd straightway, the terminal point of air channel second arc, air channel the 3rd straightway overlap with the point of contact of said air channel second arc, and the length of said air channel the 3rd straightway is 20mm～25mm.
24. an aircondition comprises housing, base, end cap, evaporimeter, through-flow fan blade, preceding snail tongue, back snail tongue and air channel.The air channel is characterized in that between through-flow fan blade and evaporimeter the air channel comprises air channel first arc, air channel first straightway and air channel second straightway, the center of circle O of air channel first arc
1Track be center of circle O with through-flow fan blade
0Be the center of circle, radius is R
1Circle, length is 115mm～129mm; The terminal point of the starting point of air channel first straightway and air channel first arc is tangent; The length of said air channel first straightway is 10mm～15mm; Said air channel second straightway links to each other with said air channel first straightway; And angle is 170 °～180 °, and the length of said air channel second straightway is 60mm～65mm.
25. aircondition as claimed in claim 24 is characterized in that, the arc length of said air channel first arc is 119mm～129mm.
26. aircondition as claimed in claim 25 is characterized in that, the arc length of said air channel first arc is 126.7mm.
27. aircondition as claimed in claim 24 is characterized in that, the length of said air channel first straightway is 13.22mm, and the length of said air channel second straightway is 61.4mm.
28. aircondition as claimed in claim 24 is characterized in that, said air channel second straightway and the said air channel first straightway angle are 174 °.
29. aircondition as claimed in claim 28 is characterized in that, the radius R of said air channel first arc
3Scope is 77.5mm～87.5mm.
30. aircondition as claimed in claim 29 is characterized in that, the radius R of said air channel first arc
3Value is 78.5mm.
31. aircondition as claimed in claim 24; It is characterized in that; Snail tongue first arc, preceding snail tongue first straightway, preceding snail tongue second arc, preceding snail tongue second straightway, preceding snail tongue the 3rd arc before the molded lines of snail tongue comprises successively before said; Angle between preceding snail tongue first straightway and preceding snail tongue second straightway is 25 °～35 °; Preceding snail tongue first arc and preceding snail tongue first straightway are tangent, and preceding snail tongue second straightway and preceding snail tongue second arc and preceding snail tongue the 3rd arc are tangent.
32. aircondition as claimed in claim 31 is characterized in that, said before the radius of snail tongue first arc be that the radius of 5.57mm, preceding snail tongue second arc is that the radius of 2.93mm, preceding snail tongue the 3rd arc is 0.20mm.
33. aircondition as claimed in claim 24 is characterized in that, the minimum clearance of said preceding snail tongue and through-flow fan blade is 2.50～3.50mm.
34. aircondition as claimed in claim 33 is characterized in that, said preceding snail tongue and the outer peripheral minimum clearance of through-flow fan blade are 3mm.
35. aircondition as claimed in claim 24 is characterized in that, the minimum clearance of said preceding snail tongue and said air channel second straightway is 50.50mm～60.50mm.
36. aircondition as claimed in claim 35 is characterized in that, the minimum clearance of said preceding snail tongue and said air channel second straightway is 55.42mm.
37. aircondition as claimed in claim 24 is characterized in that, said back snail tongue and the outer peripheral minimum clearance of through-flow fan blade are 6.5～7.5mm.
38. aircondition as claimed in claim 37 is characterized in that, said back snail tongue and the outer peripheral minimum clearance of said through-flow fan blade through-flow fan blade are 5.43mm.
39. aircondition as claimed in claim 24 is characterized in that, the end angle of said back snail tongue is 4 °～8 °.
40. aircondition as claimed in claim 39 is characterized in that, the end angle of said back snail tongue is 6 °.
41. aircondition as claimed in claim 24 is characterized in that, said aircondition also comprises housing, in the front side of said housing air inlet is set, and said air inlet and said evaporimeter are oppositely arranged, and the rear side of said housing sets out the air port.
42. aircondition as claimed in claim 41 is characterized in that, in the front side of said housing air inlet is set, and air inlet and evaporimeter be oppositely arranged, the rear side of housing sets out the air port.
43. aircondition as claimed in claim 42 is characterized in that, through-flow fan blade is installed on base and the end cap, and the area of base is greater than the area of end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203202685U CN202209733U (en) | 2011-08-30 | 2011-08-30 | air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203202685U CN202209733U (en) | 2011-08-30 | 2011-08-30 | air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202209733U true CN202209733U (en) | 2012-05-02 |
Family
ID=45989280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203202685U Expired - Lifetime CN202209733U (en) | 2011-08-30 | 2011-08-30 | air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202209733U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954536A (en) * | 2011-08-30 | 2013-03-06 | 珠海格力电器股份有限公司 | air conditioner |
| CN107477677A (en) * | 2017-08-25 | 2017-12-15 | 重庆凌达压缩机有限公司 | A kind of indoor apparatus of air conditioner and air conditioner |
| CN107559958A (en) * | 2017-08-25 | 2018-01-09 | 珠海凌达压缩机有限公司 | A kind of indoor apparatus of air conditioner and air conditioner |
-
2011
- 2011-08-30 CN CN2011203202685U patent/CN202209733U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954536A (en) * | 2011-08-30 | 2013-03-06 | 珠海格力电器股份有限公司 | air conditioner |
| CN102954536B (en) * | 2011-08-30 | 2015-03-04 | 珠海格力电器股份有限公司 | air conditioner |
| CN107477677A (en) * | 2017-08-25 | 2017-12-15 | 重庆凌达压缩机有限公司 | A kind of indoor apparatus of air conditioner and air conditioner |
| CN107559958A (en) * | 2017-08-25 | 2018-01-09 | 珠海凌达压缩机有限公司 | A kind of indoor apparatus of air conditioner and air conditioner |
| CN107477677B (en) * | 2017-08-25 | 2023-06-06 | 重庆凌达压缩机有限公司 | Air conditioner indoor unit and air conditioner |
| CN107559958B (en) * | 2017-08-25 | 2024-04-09 | 珠海凌达压缩机有限公司 | Air conditioner indoor unit and air conditioner |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120502 Effective date of abandoning: 20150304 |
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