CN105485780A - Indoor air conditioner - Google Patents
Indoor air conditioner Download PDFInfo
- Publication number
- CN105485780A CN105485780A CN201610053488.3A CN201610053488A CN105485780A CN 105485780 A CN105485780 A CN 105485780A CN 201610053488 A CN201610053488 A CN 201610053488A CN 105485780 A CN105485780 A CN 105485780A
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- CN
- China
- Prior art keywords
- heat exchanger
- air
- air conditioner
- spiral case
- indoor apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/16—Details or features not otherwise provided for mounted on the roof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/17—Details or features not otherwise provided for mounted in a wall
Abstract
The invention relates to an indoor air conditioner which comprises a shell, a heat exchanger and a fan, wherein a return air inlet is formed in the lower side surface of the shell; an air outlet is formed in the front side of the shell; the heat exchanger is arranged above the return air inlet; the fan is arranged above the heat exchanger; the fan comprises a cross-flow wind wheel and a volute casing which are arranged in a mutually matched manner; an air-outlet opening is formed in the volute casing; the heat exchanger is formed by combining a first heat exchange plate and a second heat exchange plate; the first heat exchange plate and the second heat exchange plate are spliced to form a structure with a V-shaped cross section; the first heat exchange plate is arranged on the rear side below the cross-flow wind wheel; the second heat exchange plate is arranged on the front side below the cross-flow wind wheel; the minimum distance between the edge of the cross-flow wind wheel and the first heat exchange plate is delta 1, and delta 1 is greater than or equal to 12 mm and smaller than or equal to 30 mm. The indoor air conditioner has the benefits as follows: the mounting is convenient, the thickness is small, and both embedded installation and ceiling installation are acceptable; by optimizing delta 1, the air volume is improved while noise is reduced as far as possible, so that the ratio of air volume to noise is further increased.
Description
Technical field
The present invention relates to a kind of indoor apparatus of air conditioner.
Background technology
An existing patent of invention, its notification number is CN101619875B, the indoor set of a kind of split-type air conditioner of this disclosure of the invention, comprise the shell of indoor set, tubular wine wheel, heat exchanger, drainage mechanism and more than one air outlet and air inlet, air outlet is positioned at the front of indoor set shell, and the shortest spacing point on the vertical direction in the center of circle of tubular wine wheel and rear snail tongue is-10 ~+70 to spend to the scope of the angle α of the line in the center of circle of tubular wine wheel.Described heat exchanger is √ shape, heat exchanger is combined by two heat exchange tabs, the heat exchange tabs being positioned at long side is arranged on rear side below tubular wine wheel, the heat exchange tabs being positioned at short side is arranged on front side below tubular wine wheel, tubular wine wheel is arranged on the top of heat exchanger, and the angle β between these two heat exchange tabs is 80 ~ 120 degree.The ratio range of the length of the length being positioned at the heat exchange tabs of long side and the heat exchange tabs being positioned at short side is 1.4 ~ 4.
Another patent of invention existing, CN102644975A, the invention provides a kind of indoor apparatus of air conditioner, comprises housing, and is arranged on return air inlet on housing downside and is arranged on the air outlet in housing front; The top of return air inlet is provided with heat exchanger, is provided with drip tray between return air inlet and heat exchanger, and the top of heat exchanger is provided with blower fan; Blower fan comprises the through-flow fan blade and spiral case that cooperatively interact and arrange, spiral case has air-out opening; Spiral case comprises the front spiral case forming air-out opening downside and the rear spiral case forming air-out open upper side face, and the angle between front spiral case and rear spiral case opens to air side, forms the air-out diffusion angle Φ of indoor apparatus of air conditioner, wherein, and 10 °≤Φ≤40 °.According to indoor apparatus of air conditioner of the present invention, by optimizing its air-out diffusion angle Φ, when its air quantity of raising, reducing noise as much as possible, thus improving its air quantity noise ratio.When air-out diffusion angle Φ is when the scope of 10 ° ~ 40 °, there is good air quantity noise ratio.
But above-mentioned two patent documents all disclose the structure of indoor apparatus of air conditioner, the minimum range of the Edge Distance heat exchanger fin of heat exchanger fin their all unexposed tubular wine wheels, according to actual production draw the distance between them to the air quantity of product and noise effect very large.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of indoor apparatus of air conditioner, solves the deficiencies in the prior art.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of indoor apparatus of air conditioner, and it comprises housing, heat exchanger, blower fan; The downside of housing is provided with return air inlet, and the front of housing is provided with air outlet; Heat exchanger is arranged on the top of return air inlet; Blower fan is arranged on the top of heat exchanger, and blower fan comprises the tubular wine wheel and spiral case that cooperatively interact and arrange, spiral case has air-out opening; Heat exchanger is combined by the first heat exchanger fin and the second heat exchanger fin, and the first heat exchanger fin and the second heat exchanger fin are spliced into a V-shaped structure in cross section; First heat exchanger fin is arranged on rear side below tubular wine wheel, and the second heat exchanger fin is arranged on front side below tubular wine wheel; The minimum range of Edge Distance first heat exchanger fin of tubular wine wheel is δ 1, wherein, and 12mm≤δ 1≤30mm.
The invention has the beneficial effects as follows: the present invention have be convenient to install, thickness is little, not only can adopt installation by adhering, but also the feature that ceiling mounting type can be adopted to install, by optimizing δ 1, when its air quantity of raising, reduce noise as much as possible, thus improve its air quantity noise ratio.
Further: 16mm≤δ 1≤22mm.
The beneficial effect of above-mentioned further scheme is: the comparatively satisfaction of the air output of indoor apparatus of air conditioner and noise.
Further: the minimum range of Edge Distance second heat exchanger fin of tubular wine wheel is δ 2, wherein, 12mm≤δ 2≤30mm.
The beneficial effect of above-mentioned further scheme is: air quantity is relative with noise all smaller.
Further: 16mm≤δ 2≤22mm.
The beneficial effect of above-mentioned further scheme is: the effect playing noise reduction further.
Further: spiral case comprises the front spiral case forming air-out opening downside and the rear spiral case forming air-out open upper side face; Angle between front spiral case and rear spiral case opens to air side, forms the air-out diffusion angle Φ of indoor apparatus of air conditioner, wherein, and 5 °≤Φ≤50 °.
The beneficial effect of above-mentioned further scheme is: air quantity is relative with noise all smaller.
Further: before the Edge Distance of tubular wine wheel, the minimum range of spiral case is δ 3, wherein, 3.5mm≤δ 3≤7mm.
The beneficial effect of above-mentioned further scheme is: the effect playing noise reduction.
Further: after the Edge Distance of tubular wine wheel, the minimum range of spiral case is δ 4, wherein, 4mm≤δ 4≤7mm.
The beneficial effect of above-mentioned further scheme is: the effect playing noise reduction further.
Further: rear spiral case is set to rear snail tongue curve near tubular wine wheel place, and/or front spiral case is set to front snail tongue curve near tubular wine wheel place.
The beneficial effect of above-mentioned further scheme is: the effect playing noise reduction further.
Further: the ratio range of the length of the first heat exchanger fin and the length of the second heat exchanger fin is 1.5 ~ 3.5.
The beneficial effect of above-mentioned further scheme is: the back space that effectively can utilize indoor set, reduces the thickness of body.
Further: also to comprise drip tray, drip tray is arranged between return air inlet and heat exchanger.
The beneficial effect of above-mentioned further scheme is: can facilitate draining.
Accompanying drawing explanation
Fig. 1 is the key diagram of structural representation of the present invention and δ 1 and δ 2;
Fig. 2 is the key diagram of air-out diffusion angle Φ of the present invention;
Fig. 3 is the key diagram of δ 3 of the present invention and δ 4.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of indoor apparatus of air conditioner, it comprises housing 1, heat exchanger 2, blower fan 3.
The downside of housing 1 is provided with return air inlet 11, and the front of housing 1 is provided with air outlet 12.
Heat exchanger 2 is arranged on the top of return air inlet 11.
Blower fan 3 is arranged on the top of heat exchanger 2, and blower fan 3 comprises the tubular wine wheel 31 and spiral case 32 that cooperatively interact and arrange, spiral case 32 has air-out opening.
Heat exchanger 2 is in √ shape, and heat exchanger 2 is combined by the first heat exchanger fin 21 and the second heat exchanger fin 22; First heat exchanger fin 21 is arranged on rear side below tubular wine wheel 31, and the second heat exchanger fin 22 is arranged on front side below tubular wine wheel 31; The minimum range of Edge Distance first heat exchanger fin 21 of tubular wine wheel 31 is δ 1, wherein, and 12mm≤δ 1≤30mm.
Table one: the experimental data of the noise of indoor apparatus of air conditioner under different δ 1
Found through experiments, when in the scope of δ 1 at 16mm ~ 22mm, the air quantity noise ratio of indoor apparatus of air conditioner is ideal, and optimum is 19mm.
According to above-mentioned experiment, the minimum range that can also obtain Edge Distance second heat exchanger fin 22 of tubular wine wheel 31 is δ 2, and wherein, 12mm≤δ 2≤30mm, preferred 16mm≤δ 2≤22mm, optimum is 19mm.
As shown in Figure 2, spiral case 32 comprises the front spiral case 321 forming air-out opening downside and the rear spiral case 322 forming air-out open upper side face; Angle between front spiral case 321 and rear spiral case 322 opens to air side, forms the air-out diffusion angle Φ of indoor apparatus of air conditioner, wherein, and 5 °≤Φ≤50 °.
In air-out diffusion angle Φ tests, control other parameter constants of this experimental machine, constantly the number of degrees of debugging air-out diffusion angle Φ.In this experiment, with regard to the air-out diffusion angle Φ of indoor apparatus of air conditioner, when air-out diffusion angle Φ designs too small, unit air quantity is too little, wind speed is larger, cause noise of indoor unit of air conditioner excessive, when air-out diffusion angle Φ designs too large, when namely the air outlet of unit is too large, air-out speed is too low, the air quantity of unit also reduces to a certain extent, is found, when air-out diffusion angle Φ is when the scope of 15 ° ~ 25 ° by a series of test.The comparatively satisfaction of the air output of indoor apparatus of air conditioner and noise, has good air quantity noise ratio.Concrete experimental data is as shown in the table:
Table two: the experimental data of indoor apparatus of air conditioner air quantity and noise under different diffusion angles of giving vent to anger
| Air-out diffusion angle (°) | Air quantity (m 3/h) | Noise (decibel) |
| 5 | 418 | 38.1 |
| 15 | 501 | 40 |
| 20 | 610 | 41.5 |
| 25 | 625 | 40 |
| 35 | 615 | 43 |
| 40 | 600 | 45 |
| 50 | 580 | 41 |
As shown in Figure 3, before the Edge Distance of tubular wine wheel 31, the minimum range of spiral case 321 is δ 3, wherein, and 3.5mm≤δ 3≤7mm.This minimum range δ 3 is also a key point that indoor apparatus of air conditioner designs, when minimum range δ 3 is excessive, front spiral case 321 refluxes seriously with flow field, tubular wine wheel 31 cooperation place, air quantity is little, when minimum range δ 3 is too small, front spiral case 321 and flow field, the tubular wine wheel 31 cooperation place flow velocity that refluxes is excessive, and noise is higher.In like manner can draw, after the Edge Distance of tubular wine wheel 31, the minimum range of spiral case 322 is δ 4, wherein, and 4mm≤δ 4≤7mm.Found through experiments, when δ 3 and δ 4 is in above-mentioned claimed range, the air quantity noise ratio of indoor apparatus of air conditioner is ideal, in this experiment, controls other parameter constants of this experimental machine, constantly debugging minimum clearance δ 3 and δ 4, thus obtains following experimental data:
Table three: indoor apparatus of air conditioner is in the experimental data of different minimum range δ 3 and δ 4 times noises
Preferably, rear spiral case 322 is set to rear snail tongue curve near tubular wine wheel 31 place, and rear snail tongue curve is curved structure substantially, and/or front spiral case 321 is set to front snail tongue curve near tubular wine wheel 31 place, and front snail tongue curve is curved structure substantially.
Preferably, the ratio range of the length of the first heat exchanger fin 21 and the length of the second heat exchanger fin 22 is 1.3 ~ 3.5.The length being positioned at the first heat exchanger fin 21 of long side obviously will be greater than the length of the second heat exchanger fin 22 being positioned at short side, thus effectively can utilize the back space of indoor set, reduces the thickness of body.
Preferably, the present invention also comprises drip tray 4, and drip tray 4 is arranged between return air inlet 11 and heat exchanger 2, and drip tray 4 is also arranged on the below of heat exchanger 2, is mainly used in discharging the condensed water that heat exchanger 2 drips.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an indoor apparatus of air conditioner, it comprises housing (1), heat exchanger (2) and blower fan (3);
The downside of described housing (1) is provided with return air inlet (11), and the front of described housing (1) is provided with air outlet (12);
Described heat exchanger (2) is arranged on the top of described return air inlet (11);
Described blower fan (3) is arranged on the top of described heat exchanger (2), described blower fan (3) comprises the tubular wine wheel (31) and spiral case (32) that cooperatively interact and arrange, and (32) have air-out opening to described spiral case;
It is characterized in that: described heat exchanger (2) is combined by the first heat exchanger fin (21) and the second heat exchanger fin (22), described first heat exchanger fin (21) and described second heat exchanger fin (22) are spliced into a V-shaped structure in cross section; Described first heat exchanger fin (21) is arranged on described tubular wine wheel (31) below rear side, and described second heat exchanger fin (22) is arranged on front side, tubular wine wheel (31) below; Described in the Edge Distance of described tubular wine wheel (31), the minimum range of the first heat exchanger fin (21) is δ 1, wherein, and 12mm≤δ 1≤30mm.
2. a kind of indoor apparatus of air conditioner according to claim 1, is characterized in that: 16mm≤δ 1≤22mm.
3. a kind of indoor apparatus of air conditioner according to claim 1, is characterized in that: described in the Edge Distance of described tubular wine wheel (31), the minimum range of the second heat exchanger fin (22) is δ 2, wherein, and 12mm≤δ 2≤30mm.
4. a kind of indoor apparatus of air conditioner according to claim 3, is characterized in that: 16mm≤δ 2≤22mm.
5. a kind of indoor apparatus of air conditioner according to claim 1, is characterized in that: described spiral case (32) comprises the front spiral case (321) forming described air-out opening downside and the rear spiral case (322) forming described air-out open upper side face; Angle between described front spiral case (321) and described rear spiral case (322) opens to air side, forms the air-out diffusion angle Φ of described indoor apparatus of air conditioner, wherein, and 5 °≤Φ≤50 °.
6. a kind of indoor apparatus of air conditioner according to claim 5, is characterized in that: before described in the Edge Distance of described tubular wine wheel (31), the minimum range of spiral case (321) is δ 3, wherein, and 3.5mm≤δ 3≤7mm.
7. a kind of indoor apparatus of air conditioner according to claim 5, is characterized in that: after described in the Edge Distance of described tubular wine wheel (31), the minimum range of spiral case (322) is δ 4, wherein, and 4mm≤δ 4≤7mm.
8. a kind of indoor apparatus of air conditioner according to claim 5, it is characterized in that: described rear spiral case (322) is set to rear snail tongue curve near described tubular wine wheel (31) place, and/or described front spiral case (321) is set to front snail tongue curve near described tubular wine wheel (31) place.
9. a kind of indoor apparatus of air conditioner according to any one of claim 1 to 8, is characterized in that: the ratio range of the length of described first heat exchanger fin (21) and the length of described second heat exchanger fin (22) is 1.5 ~ 3.5.
10. a kind of indoor apparatus of air conditioner according to any one of claim 1 to 8, it is characterized in that: also comprise drip tray (4), described drip tray (4) is arranged between described return air inlet (11) and described heat exchanger (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053488.3A CN105485780B (en) | 2016-01-26 | 2016-01-26 | A kind of air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053488.3A CN105485780B (en) | 2016-01-26 | 2016-01-26 | A kind of air conditioner indoor unit |
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| Publication Number | Publication Date |
|---|---|
| CN105485780A true CN105485780A (en) | 2016-04-13 |
| CN105485780B CN105485780B (en) | 2018-09-11 |
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| CN201610053488.3A Active CN105485780B (en) | 2016-01-26 | 2016-01-26 | A kind of air conditioner indoor unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322535A (en) * | 2016-09-20 | 2017-01-11 | Tcl空调器(中山)有限公司 | Indoor unit of air conditioner and air conditioner |
| CN108534232A (en) * | 2018-05-09 | 2018-09-14 | 青岛海尔空调器有限总公司 | Air-supply assembly and cabinet type air conditioner indoor set with the air-supply assembly |
| CN109405220A (en) * | 2018-11-07 | 2019-03-01 | 广东美的暖通设备有限公司 | Control method, air conditioner and the computer readable storage medium of air conditioner |
| CN113757807A (en) * | 2020-06-01 | 2021-12-07 | 广东美的暖通设备有限公司 | Air duct type air conditioner |
| CN114198327A (en) * | 2021-12-09 | 2022-03-18 | 珠海格力电器股份有限公司 | Air duct structure and indoor unit |
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| JPH08327083A (en) * | 1995-06-06 | 1996-12-10 | Mitsubishi Heavy Ind Ltd | Ceiling suspended type air conditioner |
| KR0146113B1 (en) * | 1995-07-01 | 1998-08-17 | 구자홍 | Indoor machine of separative airconditioner |
| JP2000161765A (en) * | 1998-11-25 | 2000-06-16 | Daikin Ind Ltd | Indoor unit for air conditioner |
| CN101182941A (en) * | 2006-11-15 | 2008-05-21 | 三星电子株式会社 | Ceiling type air conditioner |
| CN202561910U (en) * | 2012-05-18 | 2012-11-28 | 珠海格力电器股份有限公司 | Air conditioner indoor unit |
| CN103968517A (en) * | 2013-02-05 | 2014-08-06 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and volute tongue component |
| CN205536143U (en) * | 2016-01-26 | 2016-08-31 | 广东美的制冷设备有限公司 | Air -condition indoor machine |
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2016
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|---|---|---|---|---|
| JPH08327083A (en) * | 1995-06-06 | 1996-12-10 | Mitsubishi Heavy Ind Ltd | Ceiling suspended type air conditioner |
| KR0146113B1 (en) * | 1995-07-01 | 1998-08-17 | 구자홍 | Indoor machine of separative airconditioner |
| JP2000161765A (en) * | 1998-11-25 | 2000-06-16 | Daikin Ind Ltd | Indoor unit for air conditioner |
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| CN103968517A (en) * | 2013-02-05 | 2014-08-06 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and volute tongue component |
| CN205536143U (en) * | 2016-01-26 | 2016-08-31 | 广东美的制冷设备有限公司 | Air -condition indoor machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322535A (en) * | 2016-09-20 | 2017-01-11 | Tcl空调器(中山)有限公司 | Indoor unit of air conditioner and air conditioner |
| CN108534232A (en) * | 2018-05-09 | 2018-09-14 | 青岛海尔空调器有限总公司 | Air-supply assembly and cabinet type air conditioner indoor set with the air-supply assembly |
| CN108534232B (en) * | 2018-05-09 | 2023-04-18 | 青岛海尔空调器有限总公司 | Air supply assembly and cabinet air conditioner indoor unit with same |
| CN109405220A (en) * | 2018-11-07 | 2019-03-01 | 广东美的暖通设备有限公司 | Control method, air conditioner and the computer readable storage medium of air conditioner |
| CN113757807A (en) * | 2020-06-01 | 2021-12-07 | 广东美的暖通设备有限公司 | Air duct type air conditioner |
| CN114198327A (en) * | 2021-12-09 | 2022-03-18 | 珠海格力电器股份有限公司 | Air duct structure and indoor unit |
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| Publication number | Publication date |
|---|---|
| CN105485780B (en) | 2018-09-11 |
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