CN107560023B - Electrostatic dust removing module and air conditioning device - Google Patents
Electrostatic dust removing module and air conditioning device Download PDFInfo
- Publication number
- CN107560023B CN107560023B CN201710815561.0A CN201710815561A CN107560023B CN 107560023 B CN107560023 B CN 107560023B CN 201710815561 A CN201710815561 A CN 201710815561A CN 107560023 B CN107560023 B CN 107560023B
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- Prior art keywords
- dust collection
- negative ion
- generating device
- ionization
- ion generating
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- 239000000428 dust Substances 0.000 title claims abstract description 79
- 238000004378 air conditioning Methods 0.000 title claims abstract description 9
- 150000002500 ions Chemical class 0.000 claims abstract description 52
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims description 20
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 16
- 239000004917 carbon fiber Substances 0.000 claims description 16
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 16
- 230000005284 excitation Effects 0.000 claims description 12
- 239000012717 electrostatic precipitator Substances 0.000 claims description 9
- 230000005684 electric field Effects 0.000 claims description 8
- 238000005367 electrostatic precipitation Methods 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims 2
- 150000001450 anions Chemical class 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000752 ionisation method Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
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- Electrostatic Separation (AREA)
Abstract
The invention discloses an electrostatic dust collection module and an air conditioning device, wherein the electrostatic dust collection module comprises a shell and a plurality of dust collection units arranged in the shell, and any dust collection unit comprises: the ionization assembly is used for ionizing and electrifying airflow to be purified, the dust collection assembly is correspondingly arranged on the air outlet side of the ionization assembly, the dust collection assembly comprises a collector and a repeller which are oppositely arranged, and a dust removal channel is formed between the repeller and the collector; the electrostatic dust collection module further comprises a negative ion generating device arranged on the shell, and the negative ion generating device is located outside the dust collection channel. The electrostatic dust collection module provided by the invention is provided with the negative ion generating device, and the negative ion generating device can increase the content of negative ions in the air and reduce ozone generated by the ionization electrode.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to an electrostatic dust collection module and an air conditioning device.
Background
With the enhancement of the importance of people on the respiratory health, air conditioning devices with purification function are beginning to take an important role in the home appliance market in recent years, wherein air conditioners with electrostatic dust collection modules are widely used because of no consumable materials and low wind resistance. The working principle of the electrostatic dust collection module is that pollutants such as dust particles in the air are charged by utilizing a high-voltage electric field, and the charged pollutants are adsorbed on a dust collection electrode under the action of an offset electric field so as to be separated from the air flow.
Although the electrostatic dust removal module can reduce the amount of pollutants in the air and purify the air, the requirement of a user is far not limited to the amount, and along with the continuous promotion of the attention to the health of people, how to increase anions in the air so that the air is beneficial to the health of the human body is a problem of great concern to current consumers. In addition, since the high-voltage electric field easily generates ozone in the process of ionizing pollutants, when the concentration of ozone in the air is too high, adverse effects are generated on human health, so how to reduce ozone generated in the working process of the electrostatic dust collection module is a problem to be solved in the industry.
Disclosure of Invention
The invention mainly aims to provide an electrostatic dust collection module which aims to increase negative ions in air and reduce ozone generated by an ionization electrode.
In order to achieve the above object, the electrostatic precipitation module according to the present invention includes: the casing with locate a plurality of dust removal units in the casing, any dust removal unit includes: an ionization assembly for ionizing and electrically charging a gas stream to be purified; the dust collection assembly is correspondingly arranged on the air outlet side of the ionization assembly and comprises a collector and a repeller which are oppositely arranged, and a dust removal channel is formed between the repeller and the collector; the electrostatic dust collection module further comprises a negative ion generating device arranged on the shell, and the negative ion generating device is located outside the dust collection channel.
Preferably, the dust removing channel is provided with an air inlet and an air outlet, and the negative ion generating device is arranged close to the air outlet.
Preferably, the ionization assembly comprises an excitation pole and an ionization pole, which together form an excitation electric field.
Preferably, the excitation electrode and the collector electrode are integrally formed.
Preferably, the housing comprises: the first mounting frame is provided with a first opening, the second mounting frame is provided with a second opening, and a mounting space is formed between the first mounting frame and the second mounting frame; the support is arranged in the installation space; the collector and the repeller are fixedly arranged on the support, the air inlet of the dust removing channel corresponds to the first opening, and the air outlet of the dust removing channel corresponds to the second opening.
Preferably, a plurality of installation cavities are arranged on the second installation frame at intervals along the outer edge of the second opening, and each installation cavity is internally provided with one negative ion generating device.
Preferably, the negative ion generating device includes: the mounting part is adaptively embedded in the mounting cavity and protrudes out of the mounting cavity; and the carbon fiber bundles comprise a plurality of carbon fiber filaments, and the carbon fiber bundles are fixedly arranged at the protruding ends of the mounting parts.
Preferably, the plurality of carbon fiber filaments are radially disposed in a direction away from the mounting portion.
Preferably, the surface of the repeller is provided with an ozone reducing substance layer.
The invention also provides an air conditioning device, which comprises the electrostatic dust collection module, wherein the electrostatic dust collection module comprises:
The casing with locate a plurality of dust removal units in the casing, any dust removal unit includes: an ionization assembly for ionizing and electrically charging a gas stream to be purified; the dust collection assembly is correspondingly arranged on the air outlet side of the ionization assembly and comprises a collector and a repeller which are oppositely arranged, and a dust removal channel is formed between the repeller and the collector; the electrostatic dust collection module further comprises a negative ion generating device arranged on the shell, and the negative ion generating device is located outside the dust collection channel.
The electrostatic dust collection module is provided with the negative ion generating device which is arranged outside the dust collection channel, so that the negative ion generating device can increase the content of negative ions in the air, and the negative ions have oxidation resistance, so that the activity of cells can be improved after the negative ions are combined with free radicals in the human body, and the human body is healthy, young and active; in addition, because the negative ions generated by the negative ion generating device can be combined with dust particles in the air, the dust particles actively carry negative electricity, so that the working frequency of the ionization electrode can be reduced, the ozone generated by the ionization electrode is further reduced, and the influence of excessive ozone on the health of a user is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of an electrostatic precipitator module according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic diagram of the airflow to be purified passing through the electrostatic precipitation module;
FIG. 4 is an enlarged view of a portion of FIG. 3at A;
FIG. 5 is a partial enlarged view at B in FIG. 3;
Fig. 6 is a partial enlarged view at C in fig. 3.
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Shell body | 120 | Second mounting frame |
| 200 | Collector electrode | 130 | Support seat |
| 300 | Repeller electrode | 410 | Mounting part |
| 400 | Anion generating device | 420 | Carbon fiber bundle |
| 500 | Exciting electrode | 111 | First opening |
| 600 | Ionization electrode | 121 | Second opening |
| 110 | First mounting frame |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides an electrostatic dust collection module which can increase the anion content in the air and reduce the ozone content
In an embodiment of the present invention, as shown in fig. 1 to 6, the electrostatic dust collection module includes a housing 100 and a plurality of dust collection units disposed in the housing 100, and any one of the dust collection units includes: the ionization assembly and the dust collecting assembly are used for ionizing and electrifying airflow to be purified, the dust collecting assembly is correspondingly arranged on the air outlet side of the ionization assembly, the dust collecting assembly comprises a collector 200 and a repeller 300 which are oppositely arranged, and a dust removing channel is formed between the repeller 300 and the collector 200; the electrostatic dust collection module further comprises a negative ion generating device 400 installed on the housing 100, wherein the negative ion generating device 400 is located outside the dust collection channel.
Because the electrostatic dust collection module provided by the patent is provided with the negative ion generating device 400, the negative ion generating device 400 is arranged outside the dust collection channel, so that the negative ion generating device 400 can increase the content of negative ions in the air, the negative ions have oxidation resistance, and the negative ions can convert the free radicals into oxygen molecules after being combined with the free radicals in the human body, so that the cell activity is improved, and the human body is healthy, young and active; in addition, since the negative ions generated by the negative ion generating device 400 can be combined with dust particles in the air, the dust particles actively carry negative electricity, so that the working frequency of the ionization assembly can be reduced, the ozone generated by the ionization assembly is further reduced, and the influence of excessive ozone on the health of a user is avoided.
Referring to fig. 3 to 5, in order to make the negative ions generated by the negative ion generating device 400 fully diffuse in the air, in the above-mentioned embodiment of the present invention, the negative ion generating device 400 is disposed near the air outlet of the dust removing channel. Because the negative ion generating device 400 is arranged on the air outlet side of the dust removing channel, air flowing out from the air outlet of the dust removing channel can carry negative ions under the action of the negative ion generating device 400, and because the air flowing out from the air outlet of the dust removing channel has higher kinetic energy and higher flowing speed, the air carrying the negative ions can be blown to all positions of a room, so that a user can breathe the air rich in the negative ions at any position of the room.
As a preferred way, the ionization assembly comprises an excitation pole 500 and an ionization pole 600, the excitation pole 500 and the ionization pole 600 together forming an excitation electric field. Existing ionization assemblies typically include only an ionization electrode 600 in the form of a corona wire or needle structure, such that the ionization rate is low; this patent is in order to improve the ionization rate of ionization subassembly to improve electrostatic precipitator module's purifying effect, form ionization subassembly with the combination of ionization utmost point 600 and excitation utmost point 500, so, excitation utmost point 500 and ionization utmost point 600 can form the excitation electric field jointly, thereby improve ionization subassembly's ionization rate.
Further, in order to reduce the volume of the electrostatic precipitation module, in an embodiment of the present disclosure, the exciting electrode 500 and the collector 200 are integrally formed, so that the volume of the electrostatic precipitation module can be reduced, and miniaturization of the electrostatic precipitation module is achieved.
Referring now to fig. 1 to 3, the structure of the electrostatic dust collection module housing 100 of the present patent will be described in detail, where the housing 100 includes a first mounting frame 110, a support 130, and a second mounting frame 120, the first mounting frame 110 has a first opening, the second mounting frame 120 has a second opening, a mounting space is formed between the first mounting frame 110 and the second mounting frame 120, the support 130 is disposed in the mounting space, and the collector 200 and the repeller 300 are both fixedly disposed on the support 130 and the air inlet of the dust collection channel corresponds to the first opening, and the air outlet of the dust collection channel corresponds to the second opening. The first mounting frame 110 and the second mounting frame 120 are detachably connected with the support 130, specifically, the first mounting frame 110 and the second mounting frame 120 are fastened and fixed, and the first mounting frame 110 and the second mounting frame 120 are fixed by adopting a detachable structure, so that the process of mounting the support 130 into the mounting space is very convenient.
The installation structure of the negative ion generating device 400 of this patent will now be further described with reference to fig. 3 to 5, a plurality of installation cavities are disposed at intervals on the second installation frame 120 along the outer edge of the second opening, each of the installation cavities is provided with one of the negative ion generating devices 400, specifically, the second installation frame 120 includes a bottom plate and a skirt edge extending upwards from the edge of the bottom plate, the bottom plate is provided with the second opening, a plurality of installation cavities are disposed at intervals on the bottom plate along the outer edge of the second opening, and each of the installation cavities is provided with one of the negative ion generating devices 400. In this patent embodiment, anion generating device 400 is equipped with two, and two anion generating device 400 divide to locate along bottom plate length direction's both sides, because anion generating device 400 is close to the border setting of bottom plate, so, through anion generating device 400 effect and carry the air of anion can also return the air intake of dust removal passageway under the suction effect of electric field to can improve the quantity of electrified dust granule, and then improve electrostatic precipitator module's purifying effect.
In order to promote the diffusion of the negative ions, in an embodiment of the present invention, an air flow diffusing device is further provided, and the air flow diffusing device is disposed adjacent to the negative ion generating device 400.
The structure of the anion generating apparatus 400 of the present patent will be further described with reference to fig. 3 to 5, where the anion generating apparatus 400 includes a mounting portion 410 and a carbon fiber bundle 420 fixedly connected to the mounting portion 410, the mounting portion 410 is adaptively embedded in the mounting cavity, and the mounting portion 410 protrudes out of the mounting cavity; the carbon fiber bundles 420 include a plurality of carbon fiber filaments, and the carbon fiber bundles 420 are fixedly disposed at the protruding ends of the mounting portion 410. Specifically, the installation part 410 is cylindrically configured, and since the installation part 410 is protruded from the installation cavity, the installation part 410 can be conveniently inserted into or pulled out of the installation cavity, thereby simplifying the installation process of the negative ion generating device 400.
In order to increase the ionization rate of the negative ion generating device 400, the carbon fiber bundle 420 in the present embodiment includes a plurality of carbon fiber filaments, and the plurality of carbon fiber filaments are radially disposed in a direction away from the mounting portion 410, so that the ionization rate of the negative ion generating device 400 can be increased, and the content of negative ions in the air can be further increased.
Considering that the ionization electrode 600 has a high-voltage ionization process in which dust particles are charged, ozone is generated during the high-voltage ionization process, so as to reduce ozone and avoid the influence of ozone on the health of users, in an embodiment of the present patent, the surface of the repeller 300 is coated with an ozone reducing substance layer, so that, due to the fact that the surface of the repeller 300 is coated with the ozone reducing substance layer, the ozone reducing substance layer can reduce the ozone generated by the ionization electrode 600, thereby reducing ozone and avoiding the discomfort of the respiratory tract of users caused by ozone. In particular, the ozone reducing layer may be a manganese dioxide coating and/or a titanium dioxide coating.
Referring to fig. 3 and 6, in an embodiment of the present disclosure, in order to increase the dust removal capability of the electrostatic dust removal module, the dust removal units are arranged side by side along a first direction, and the first direction is perpendicular to the extending direction of the dust removal channel.
Since the first direction is perpendicular to the extending direction of the dust removing channel (and is also the flowing direction of the air flow to be purified, i.e. the arrow direction in fig. 3), the dust removing channel between the collector 200 and the repeller 300 is parallel to the flowing direction of the air flow to be purified, so that the resistance of the air flow can be reduced, and the noise in the working process of the electrostatic dust removing module can be further reduced.
This patent still provides an air conditioner, and this air conditioner includes the electrostatic precipitator module, and this electrostatic precipitator module's specific structure references above-mentioned embodiment, because this patent puts forward air conditioner and has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and this is no longer described in detail here. Specifically, the air conditioning device may be, but is not limited to, an air conditioner, an air humidifier, an air purifier, or the like.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (5)
1. An electrostatic precipitation module, comprising a housing and a plurality of precipitation units disposed in the housing, any of the precipitation units comprising:
an ionization assembly for ionizing and electrically charging a gas stream to be purified;
The dust collection assembly is correspondingly arranged on the air outlet side of the ionization assembly and comprises a collector and a repeller which are oppositely arranged, and a dust removal channel is formed between the repeller and the collector;
the electrostatic dust collection module further comprises a negative ion generating device arranged on the shell, and the negative ion generating device is positioned outside the dust collection channel;
an ozone reducing substance layer is arranged on the surface of the repeller;
The housing includes:
the first mounting frame is provided with a first opening, the second mounting frame is provided with a second opening, and a mounting space is formed between the first mounting frame and the second mounting frame; and
The support is arranged in the installation space; the collector and the repeller are fixedly arranged on the support, the air inlet of the dust removing channel is arranged corresponding to the first opening, and the air outlet of the dust removing channel is arranged corresponding to the second opening;
a plurality of installation cavities are arranged on the second open outer edge of the second installation frame at intervals, and each installation cavity is internally provided with a negative ion generating device;
The ionization assembly comprises an excitation electrode and an ionization electrode, and the excitation electrode and the ionization electrode form an excitation electric field together; the exciting electrode and the collector are integrally formed.
2. The electrostatic precipitator module of claim 1, wherein the dust collection channel has an air inlet and an air outlet, and the negative ion generator is positioned adjacent the air outlet.
3. The electrostatic precipitator module of claim 1, wherein the negative ion generator comprises:
the mounting part is adaptively embedded in the mounting cavity and protrudes out of the mounting cavity; and
The carbon fiber bundles comprise a plurality of carbon fiber filaments, and the carbon fiber bundles are fixedly arranged at the protruding ends of the mounting parts.
4. The electrostatic precipitator module of claim 3, wherein the plurality of carbon fiber filaments are radially disposed in a direction away from the mounting section.
5. An air conditioning apparatus, characterized in that the air conditioning apparatus comprises the electrostatic precipitator module of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710815561.0A CN107560023B (en) | 2017-09-11 | 2017-09-11 | Electrostatic dust removing module and air conditioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710815561.0A CN107560023B (en) | 2017-09-11 | 2017-09-11 | Electrostatic dust removing module and air conditioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107560023A CN107560023A (en) | 2018-01-09 |
| CN107560023B true CN107560023B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710815561.0A Active CN107560023B (en) | 2017-09-11 | 2017-09-11 | Electrostatic dust removing module and air conditioning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107560023B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076378B (en) * | 2020-08-21 | 2023-04-25 | 广东美的制冷设备有限公司 | Ion generating device, air processing module and electrical equipment |
| CN117531603B (en) * | 2024-01-09 | 2024-04-12 | 中复神鹰碳纤维股份有限公司 | Carbon fiber composite material processing dust collector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60183051A (en) * | 1984-02-29 | 1985-09-18 | Matsushita Electric Ind Co Ltd | Electrostatic air purifier |
| JP2011206665A (en) * | 2010-03-29 | 2011-10-20 | Green Land Co Ltd | Air cleaner and air cleaning system |
| CN207146739U (en) * | 2017-09-11 | 2018-03-27 | 广东美的制冷设备有限公司 | Electrostatic precipitation module and conditioner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1154694A (en) * | 1980-03-06 | 1983-10-04 | Tsuneo Uchiya | Electrostatic particle precipitator |
| JP2010063964A (en) * | 2008-09-09 | 2010-03-25 | Panasonic Corp | Dust collecting apparatus |
| US20150174587A1 (en) * | 2012-12-28 | 2015-06-25 | Suzhou Beiang Technology Ltd | Gas Purification Device and System, And Ionic Wind Purifier |
| CN106642377A (en) * | 2016-11-11 | 2017-05-10 | 爱普瑞环保科技（广东）有限公司 | Air purifying device |
-
2017
- 2017-09-11 CN CN201710815561.0A patent/CN107560023B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60183051A (en) * | 1984-02-29 | 1985-09-18 | Matsushita Electric Ind Co Ltd | Electrostatic air purifier |
| JP2011206665A (en) * | 2010-03-29 | 2011-10-20 | Green Land Co Ltd | Air cleaner and air cleaning system |
| CN207146739U (en) * | 2017-09-11 | 2018-03-27 | 广东美的制冷设备有限公司 | Electrostatic precipitation module and conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107560023A (en) | 2018-01-09 |
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