CN107202360B - High-wind-speed air purifier and superposition method - Google Patents
High-wind-speed air purifier and superposition method Download PDFInfo
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- CN107202360B CN107202360B CN201710391107.7A CN201710391107A CN107202360B CN 107202360 B CN107202360 B CN 107202360B CN 201710391107 A CN201710391107 A CN 201710391107A CN 107202360 B CN107202360 B CN 107202360B
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- wind speed
- high wind
- ionizer
- speed air
- elastic pin
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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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
- F24F13/28—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention provides a high wind speed air purifier and a superposition method, comprising the following steps: the purifier housing includes a first portion, a second portion, and a third portion; a plurality of rows and columns of units are arranged in the frame structure; the frame structure is arranged in the first part; each unit comprises a bottom plate, four supporting bars and four guide rails; a plurality of through holes are formed in the length direction of each guide rail; the primary filter is arranged at the front end of the first part through a bolt; each ionizer is arranged in a unit, first elastic pin bolts are arranged at four corners of each ionizer, and each first elastic pin bolt is matched with a through hole of the guide rail; each dust collector is arranged in a unit; the four corners of each dust collector are provided with second elastic pin bolts, and each second elastic pin bolt is matched with the through hole of the guide rail; the fan is arranged at the third part; the direction-adjustable air outlet is arranged at the air outlet. The distance between the ionizer and the dust collector can be adjusted, and the contact time of pollutants in an electric field can be increased or reduced.
Description
Technical Field
The invention relates to the technical field of air purifiers, in particular to the technical field of high-wind-speed air purifiers.
Background
In the field of purifiers, wind speeds up to 5-20 m/s are known as high wind speed purification.
Under the prior art condition, flat plate electrostatic purification is generally adopted, and the air flow rate is reduced by enlarging the area of the air pipe, so that the application range of flat plate static electricity is reached. However, flat static electricity is expensive, large in volume and heavy, and cannot be maintained manually. Therefore, the method achieves the aim of high wind speed purification by adopting the low resistance combined design of the purification unit and improving the purification efficiency of high wind speed purification.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a high-wind-speed air purifier, which solves the problem that the volume of the large-space air purifier is overlarge.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the purifier comprises a purifier shell, wherein the purifier shell is of a rectangular structure and comprises a first part, a second part and a third part, the first part, the second part and the third part are all rectangular frames, the rear end of the first part is connected with the front end of the second part, and the rear end of the second part is connected with the front end of the third part; the front end of the first part is provided with an air inlet, and the rear end of the third part is provided with an air outlet;
the frame structure is internally provided with a plurality of rows and a plurality of columns of units; the frame structure is disposed within the first portion; each unit is a rectangular frame and comprises a bottom plate, four support bars and four guide rails; four supporting bars are arranged at four corners of the bottom plate; the upper ends and the lower ends of every two supporting bars along the width direction of the bottom plate are respectively provided with a guide rail, and the four guide rails are parallel to the width direction of the bottom plate; a plurality of through holes are formed in the length direction of each guide rail;
the primary filter comprises a filter frame and a plurality of primary filter panels, and the plurality of primary filter panels are arranged in the filter frame; the filter frame is arranged at the front end of the first part through a bolt;
the ionization device comprises a plurality of ionization devices, a plurality of guide rails and a plurality of guide rails, wherein each ionization device is arranged in one unit, first elastic pin bolts are arranged at four corners of each ionization device, and each first elastic pin bolt is matched with the guide rail through holes of the unit;
a plurality of dust collectors, each of which is disposed in one of the units, and each of which is disposed at a rear side of the ionizer; second elastic pin bolts are arranged at four corners of each dust collector, and each second elastic pin bolt is matched with a through hole of the guide rail of the unit;
the fan is arranged on the third part;
the host is electrically connected with the fan;
the direction-adjustable air outlet is arranged at the air outlet.
The above-mentioned high wind speed air purifier, wherein still includes: the wind speed sensor is arranged 10-20 meters in front of the air inlet and is connected with the host through a cable.
The above-mentioned high wind speed air purifier, wherein still includes: a maintenance access door disposed in the second portion.
The high-wind-speed air purifier is characterized in that detachable hanging pieces are arranged at four corners of the upper end face of the purifier shell.
The high-wind-speed air purifier is characterized in that the ionizer is a saw-tooth ionizer.
The high-wind-speed air purifier is characterized in that the dust collector is a micro-electrostatic dust collector.
A method of stacking high wind speed air cleaners, comprising: the purifier housing is a spatially rectangular array.
With the technical scheme, the following beneficial effects can be achieved:
1. the high wind speed air purifier can be vertically and horizontally expanded and freely placed according to the requirement.
2. The distance between the ionizer and the dust collector can be adjusted, the contact time of pollutants in an electric field can be increased or reduced, the particle electrification degree in air flow can be optimized, and the purification efficiency can be improved.
3. The invention adopts the installation mode of the guide rail, and meanwhile, the guide rail is internally provided with the through holes matched with the elastic pin bolts, so that the dust collector can be arranged in a single layer, a double layer or a three layer according to the requirements of air flow speed, air quantity to be cleaned and efficiency.
4. The maintenance access door of the present invention facilitates replacement of dust collectors, which may be made of or include different materials to achieve proper performance for collecting material to be removed from the air stream, by personnel selecting dust collectors of different thickness or adding or subtracting dust collectors.
Drawings
FIG. 1 is a perspective view of a frame structure within a first portion of a high wind speed air cleaner housing of the present invention;
FIG. 2 is a perspective view of a purifier housing of a high wind speed air purifier according to the present invention;
FIG. 3 is a schematic view of an air outlet and a direction-adjustable air outlet according to the present invention;
FIG. 4 is a schematic view of the frame structure and ionizer of the present invention;
FIG. 5 is a schematic view of the frame structure and dust collector of the present invention;
FIG. 6 is an enlarged view of A of FIG. 5;
fig. 7 is a perspective view of a high wind speed air cleaner of the present invention.
FIG. 8 is a front view of an ionizer of a high wind speed air cleaner of the present invention;
FIG. 9 is a side view of an ionizer of a high wind speed air cleaner of the present invention;
FIG. 10 is a perspective view of a dust collector of a high wind speed air cleaner according to the present invention;
fig. 11 is a front view of a dust collector of a high wind speed air cleaner according to the present invention.
In the accompanying drawings: 1. a purifier housing; 11. a first portion; 12. a second portion; 13. a third section; 131. An air outlet; 14. a hanging piece; 2. a frame structure; 211. a bottom plate; 212. a support bar; 213. a guide rail; 2131. a through hole; 3. a primary filter; 31. a filter frame; 4. an ionizer; 41. a first elastic pin; 42. saw tooth strip ionization piece; 43. an ionization grounding plate; 44. an ionization piece supporting shaft; 5. a dust collector; 51. a second elastic pin; 52. a dust collection high pressure plate; 53. a dust collection grounding plate; 54. a microporous cavity; 6. a blower; 7. maintaining an access door; 8. an air outlet with adjustable direction; 9. and an air inlet.
Detailed Description
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a perspective view of a frame structure within a first portion of a high wind speed air cleaner housing of the present invention. Fig. 2 is a perspective view of a purifier housing of a high wind speed air purifier according to the present invention. FIG. 3 is a schematic view of the air outlet and the direction-adjustable air outlet of the present invention. Fig. 4 is a schematic view of the frame structure and ionizer of the present invention. Fig. 5 is a schematic view of the frame structure and dust container of the present invention. Fig. 6 is an enlarged view of a of fig. 5. Fig. 7 is a perspective view of a high wind speed air cleaner of the present invention. Fig. 8 is a front view of an ionizer of a high wind speed air cleaner of the present invention. Fig. 9 is a side view of an ionizer of a high wind speed air cleaner of the present invention. Fig. 10 is a perspective view of a dust collector of a high wind speed air cleaner according to the present invention. Fig. 11 is a front view of a dust collector of a high wind speed air cleaner according to the present invention.
Referring to fig. 1 to 11, in a preferred embodiment, a high wind speed air cleaner is shown, comprising:
first embodiment:
the purifier comprises a purifier shell 1, wherein the purifier shell 1 is of a rectangular structure, the rectangular structure comprises a first part 11, a second part 12 and a third part 13, the first part 11, the second part 12 and the third part 13 are all rectangular frames, the rear end of the first part 11 is connected with the front end of the second part 12, and the rear end of the second part 12 is connected with the front end of the third part 13; the front end of the first part 11 is provided with an air inlet 9, and the rear end of the third part 13 is provided with an air outlet 131.
The frame structure 2 is internally provided with a plurality of rows and a plurality of columns of units; the frame structure 2 is arranged in the first part 11; each unit is a rectangular frame and comprises a bottom plate 211, four support bars 212 and four guide rails 213; four supporting bars 212 are arranged at four corners of the bottom plate 211; the upper end and the lower end of each two supporting bars 212 along the width direction of the bottom plate 211 are respectively provided with a guide rail 213, and the four guide rails 213 are parallel to the width direction of the bottom plate 211; a plurality of through holes 2131 are formed in the longitudinal direction of each guide rail 213.
A primary filter 3, the primary filter 3 comprising a filter frame 31 and a plurality of primary filter panels; a plurality of primary filter panels are mounted within the filter frame 31; the filter frame 31 is mounted to the front end of the first portion 11 by a latch. The primary filter 3 prevents foreign matter from entering the purifier housing 1, such as plastic bags, paper, etc., which are easily carried by wind and may be sucked in.
The ionizer 4 is arranged in a unit, the four corners of each ionizer 4 are provided with first elastic pins 41, and each first elastic pin 41 is matched with a through hole 2131 of a guide rail 213 of the unit, so that the ionizer 4 is fixed in the unit through the four first elastic pins 41. Meanwhile, since the first elastic pin 41 is an elastic member, each ionizer 4 can slide on the four rails 213 of one unit after the protrusions of the first elastic pin 41 are recovered. The protrusion of each first elastic pin 41 is inserted into a through hole 2131, and the ionizer 4 is fixed in the unit.
A plurality of dust collectors 5, each dust collector 5 being disposed in a unit, and each dust collector 5 being disposed at a rear side of the ionizer 4; the four corners of each dust container 5 are provided with second elastic pins 51, and each second elastic pin 51 is fitted with a through hole 2131 of the guide rail 213 of the unit. So that the dust container 5 is fixed in a unit by four second elastic pins 51. Meanwhile, since the second elastic pin 51 is an elastic member, each dust container 5 can slide on the four rails 213 of a unit after the protrusions of the second elastic pin 51 are recovered. The distance between the ionizer 4 and the dust collector 5 is changed, the contact time of pollutants in an electric field is increased or reduced, the particle charging degree in the air flow is optimized, and the purification efficiency is improved. When it is required to fix the dust container 5 to the unit, the protrusion of each second elastic pin 41 is inserted into a through hole 2131.
Blower 6, blower 6 is arranged in third portion 13.
And the host is electrically connected with the fan 6.
The direction-adjustable air outlet 8, the direction-adjustable air outlet 8 is disposed at the air outlet 131.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the embodiments and the protection scope of the present invention.
Second embodiment:
the purifier comprises a purifier shell 1, wherein the purifier shell 1 is of a rectangular structure, the rectangular structure comprises a first part 11, a second part 12 and a third part 13, the first part 11, the second part 12 and the third part 13 are all rectangular frames, the rear end of the first part 11 is connected with the front end of the second part 12, and the rear end of the second part 12 is connected with the front end of the third part 13; the front end of the first part 11 is provided with an air inlet 9, and the rear end of the third part 13 is provided with an air outlet 131.
The frame structure 2, 2 lines and 2 columns of units are arranged in the frame structure 2; the frame structure 2 is arranged in the first part 11; each unit is a rectangular frame and comprises a bottom plate 211, four support bars 212 and four guide rails 213; four supporting bars 212 are arranged at four corners of the bottom plate 211; the upper end and the lower end of each two supporting bars 212 along the width direction of the bottom plate 211 are respectively provided with a guide rail 213, and the four guide rails 213 are parallel to the width direction of the bottom plate 211; a plurality of through holes 2131 are formed in the longitudinal direction of each guide rail 213.
A primary filter 3, the primary filter 3 comprising a filter frame 31 and four primary filter panels; the filter frame 31 is a 2-row 2-column frame, and a primary filter panel is arranged in each blank of the filter frame 31; the filter frame 31 is mounted to the front end of the first portion 11 by a latch. The primary filter 3 prevents foreign matter from entering the purifier housing 1, such as plastic bags, paper, etc., which are easily carried by wind and may be sucked in.
Four ionizers 4, each ionizer 4 is disposed in a unit, and first elastic pins 41 are disposed at four corners of each ionizer 4, and each first elastic pin 41 is matched with a through hole 2131 of a guide rail 213 of the unit. So that the ionizer 4 is fixed in a unit by four first elastic pins 41. Meanwhile, since the first elastic pin 41 is an elastic member, each ionizer 4 can slide on the four rails 213 of one unit after the protrusions of the first elastic pin 41 are recovered. The protrusion of each first elastic pin 41 is inserted into a through hole 2131, and the ionizer 4 is fixed in the unit.
Four dust collectors 5, each dust collector 5 being disposed in a unit, and each dust collector 5 being disposed at the rear side of the ionizer 4; the four corners of each dust container 5 are provided with second elastic pins 51, and each second elastic pin 51 is fitted with a through hole 2131 of the guide rail 213 of the unit. So that the dust container 5 is fixed in a unit by four second elastic pins 51. Meanwhile, since the second elastic pin 51 is an elastic member, each dust container 5 can slide on the four rails 213 of a unit after the protrusions of the second elastic pin 51 are recovered. The distance between the ionizer 4 and the dust collector 5 is changed, the contact time of pollutants in an electric field is increased or reduced, the particle charging degree in the air flow is optimized, and the purification efficiency is improved. When it is required to fix the dust container 5 to the unit, the protrusion of each second elastic pin 41 is inserted into a through hole 2131.
Blower 6, blower 6 is arranged in third portion 13.
And the host is electrically connected with the fan 6.
The direction-adjustable air outlet 8, the direction-adjustable air outlet 8 is disposed at the air outlet 131.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the embodiments and the protection scope of the present invention.
Further, in a preferred embodiment, since large-scale purification equipment is installed in the tunnel, investment is huge, and such purification devices cannot be added in the existing tunnel due to space limitation, the purifier housing 1 of the present invention can be directly installed between two ventilation fans in the tunnel without changing the existing tunnel structure, and electricity consumption is not large, thereby achieving the problem of purifying air in the tunnel in a large scale. When a fire disaster occurs, purified air is provided for ground evacuation personnel by changing the angle of the blades of the direction-adjustable air outlet 8, so that precious escape time is provided for personnel evacuation.
Further, in a preferred embodiment, the method further comprises: the wind speed sensor is arranged at the position about 10 meters in front of the air inlet 9 and is connected with the host computer 1 through a cable. The wind speed sensor detects the wind speed of the external air flow, and the automatic control fan 6 sets the corresponding wind speed so as to work more effectively when the external air flow is unstable, reduce the dragging of the air flow or reduce the wind speed of the air flow, and save ventilation energy consumption. When the wind speed is insufficient, the wind speed sensor sends a signal to enable the fan 6 to rotate, so that the insufficient wind speed is compensated.
Further, in a preferred embodiment, the method further comprises: a maintenance access door 7, the maintenance access door 7 being arranged at the second part 12. By opening the maintenance access door 7, the ionizer 4 and the dust collector 5 can be changed more conveniently.
Further, in a preferred embodiment, referring to fig. 8 and 9, the ionizer 4 is a saw tooth ionizer, and the ionizer 4 includes: a plurality of saw-tooth strip ionization sheets 42, a plurality of ionization grounding plates 43 and a three ionization sheet supporting shaft 44; a plurality of saw-tooth strip ionization sheets 42 and a plurality of ionization grounding plates 43 are parallel to the width direction of the ionizer 4; and a plurality of saw-tooth strip ionization sheets 42 are arranged in one-to-one correspondence with a plurality of ionization grounding plates 43 at uniform intervals; the three ionization piece supporting shafts 44 are parallel to the length direction of the ionizer 4, and the upper ends, the middle parts and the lower ends of the plurality of saw-tooth strip ionization pieces 42 and the plurality of ionization grounding plates 43 are respectively fixed on one ionization piece supporting shaft 44; both ends of each ionization piece supporting shaft 44 are fixed to both side inner walls of the ionizer 4 in the length direction, respectively.
Further, in a preferred embodiment, a plurality of spacer sleeves (not shown) are provided on each ionization piece support shaft 44, each spacer sleeve being disposed between a saw-tooth strip ionization piece 42 and a plurality of ionization grounding plates 43; each spacer sleeve plays a role in axial limiting.
Further, in a preferred embodiment, as shown in fig. 10 and 11, the dust collectors 5 are micro-electrostatic dust collectors, each of which includes a plurality of dust collecting high-pressure plates 52, a plurality of dust collecting grounding plates 53 and a plurality of micro-cavity bodies 54, wherein the plurality of dust collecting high-pressure plates 52 are in one-to-one correspondence with the plurality of dust collecting grounding plates 53 and are uniformly spaced from each other; the dust collecting high-pressure plates 52 and the dust collecting grounding plates 53 are parallel to the length direction or the width direction of the dust collector; a plurality of micro-porous cavities 54 are arranged between each dust collecting high-pressure plate 52 and each dust collecting grounding plate 53, and each micro-porous cavity 54 can be called an independent dust containing unit.
Further, in a preferred embodiment, the four corners of the upper end surface of the purifier housing 1 are provided with detachable hanging members 14. The purifier housing 1 can be lifted to the ceiling by the hanger 14; is suitable for various indoor sports venues and large-scale entertainment venues.
A method of stacking high wind speed air cleaners, comprising: the purifier housing 1 is a spatially rectangular array. Through setting up a plurality of high wind speed air purifier, increase filtration area, further reduce the maintenance frequency.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included within the scope of the present invention.
Claims (7)
1. A high wind speed air cleaner, comprising:
the purifier comprises a purifier shell, wherein the purifier shell is of a rectangular structure and comprises a first part, a second part and a third part, the first part, the second part and the third part are all rectangular frames, the rear end of the first part is connected with the front end of the second part, the rear end of the second part is connected with the front end of the third part, the front end of the first part is provided with an air inlet, and the rear end of the third part is provided with an air outlet;
the frame structure is internally provided with a plurality of rows and a plurality of columns of units; the frame structure is disposed within the first portion; each unit is a rectangular frame and comprises a bottom plate, four support bars and four guide rails; four supporting bars are arranged at four corners of the bottom plate; the upper ends and the lower ends of every two supporting bars along the width direction of the bottom plate are respectively provided with a guide rail, and the four guide rails are parallel to the width direction of the bottom plate; a plurality of through holes are formed in the length direction of each guide rail;
the primary filter comprises a filter frame and a plurality of primary filter panels, and the plurality of primary filter panels are arranged in the filter frame; the filter frame is arranged at the front end of the first part through a bolt;
the ionization device comprises a plurality of ionization devices, a plurality of guide rails and a plurality of guide rails, wherein each ionization device is arranged in one unit, first elastic pin bolts are arranged at four corners of each ionization device, and each first elastic pin bolt is matched with the guide rail through holes of the unit;
a plurality of dust collectors, each of which is disposed in one of the units, and each of which is disposed at a rear side of the ionizer; second elastic pin bolts are arranged at four corners of each dust collector, and each second elastic pin bolt is matched with a through hole of the guide rail of the unit;
the fan is arranged on the third part;
the host is electrically connected with the fan;
the direction-adjustable air outlet is arranged at the air outlet.
2. The high wind speed air cleaner of claim 1, further comprising: the wind speed sensor is arranged 10-20 meters in front of the air inlet and is connected with the host through a cable.
3. The high wind speed air cleaner of claim 1, further comprising: a maintenance access door disposed in the second portion.
4. The high wind speed air cleaner of claim 1, wherein the upper end surface of the cleaner housing is provided with detachable hanging pieces at four corners.
5. The high wind speed air cleaner of claim 1, wherein the ionizer is a saw tooth ionizer.
6. The high wind speed air cleaner of claim 1, wherein the dust collector is a micro-electrostatic dust collector.
7. A method of stacking high wind speed air cleaners comprising the high wind speed air cleaner of any one of claims 1 to 6, wherein the cleaner housing is a rectangular array of spaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391107.7A CN107202360B (en) | 2017-05-27 | 2017-05-27 | High-wind-speed air purifier and superposition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391107.7A CN107202360B (en) | 2017-05-27 | 2017-05-27 | High-wind-speed air purifier and superposition method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107202360A CN107202360A (en) | 2017-09-26 |
| CN107202360B true CN107202360B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710391107.7A Active CN107202360B (en) | 2017-05-27 | 2017-05-27 | High-wind-speed air purifier and superposition method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112657678A (en) * | 2020-12-03 | 2021-04-16 | 爱优特空气技术（上海）有限公司 | Micro electrostatic dust collection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990345A (en) * | 2014-05-23 | 2014-08-20 | 大连兆和科技发展有限公司 | Carbon-containing electrostatic welding fume purifier |
| CN205316544U (en) * | 2016-01-29 | 2016-06-15 | 浙江亿东环保科技有限公司 | Air -conditioning outlet negative oxygen ion generating device |
| CN207035316U (en) * | 2017-05-27 | 2018-02-23 | 爱优特空气技术（上海）有限公司 | A kind of high wind speed air purifier |
-
2017
- 2017-05-27 CN CN201710391107.7A patent/CN107202360B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990345A (en) * | 2014-05-23 | 2014-08-20 | 大连兆和科技发展有限公司 | Carbon-containing electrostatic welding fume purifier |
| CN205316544U (en) * | 2016-01-29 | 2016-06-15 | 浙江亿东环保科技有限公司 | Air -conditioning outlet negative oxygen ion generating device |
| CN207035316U (en) * | 2017-05-27 | 2018-02-23 | 爱优特空气技术（上海）有限公司 | A kind of high wind speed air purifier |
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| CN107202360A (en) | 2017-09-26 |
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