CN111703186A - Ink viscosity adjusting method and ink viscosity adjusting system - Google Patents
Ink viscosity adjusting method and ink viscosity adjusting system Download PDFInfo
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- CN111703186A CN111703186A CN202010607631.5A CN202010607631A CN111703186A CN 111703186 A CN111703186 A CN 111703186A CN 202010607631 A CN202010607631 A CN 202010607631A CN 111703186 A CN111703186 A CN 111703186A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/061—Inking devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/005—Ink viscosity control means
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
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Abstract
The invention provides an ink viscosity adjusting method and an ink viscosity adjusting system, which comprises the steps of collecting oil, comparing ink viscosity parameters to obtain a highest viscosity value and a lowest viscosity value, and obtaining an average value of the ink viscosity parameters; judging whether the average value of the ink viscosity parameters is equal to the preset ink viscosity or not; if the viscosity of the ink is not equal to the preset viscosity of the ink, the viscosity of the ink is adjusted to the preset viscosity of the ink, and the viscosity adjusting method and the viscosity adjusting system of the ink change the viscosity of the printing ink by adding a thinner or a thickener in real time in the printing process.
Description
Technical Field
The invention relates to the technical field of printing, in particular to an ink viscosity adjusting method and an ink viscosity adjusting system.
Background
At present, the viscosity control of gravure ink is a very critical problem in the gravure printing process, and particularly in the high-speed rotogravure printing process, the printing viscosity control of the ink is proper and is directly related to the pigment and the saturation of a printed product, and meanwhile, the problem of plate fog and ink flying exist when the printing is carried out according to the direct relation of the printing viscosity of the ink. Therefore, during gravure printing, the ink viscosity should be controlled well to ensure print quality.
Disclosure of Invention
In view of the above problems, the present invention is directed to solving the above-described problems. An object of the present invention is to provide an ink viscosity adjusting method and an ink viscosity adjusting system which solve the above problems by changing the viscosity of printing ink by adding a thinner or a thickener in real time during printing.
An ink viscosity adjusting method comprising:
collecting viscosity parameters of ink at a plurality of positions in an ink box;
transmitting the ink viscosity parameter to an ink management system;
comparing the ink viscosity parameters to obtain the highest viscosity value and the lowest viscosity value and obtain the average value of the ink viscosity parameters;
judging whether the average value of the ink viscosity parameters is equal to the preset ink viscosity or not;
if not, adjusting the viscosity of the ink to the preset viscosity
Preferably, determining whether the average of the ink viscosity parameter is equal to the predetermined ink viscosity comprises:
if the printing speed of the printing machine is not changed:
collecting printing speed parameters of a printing machine;
judging whether the viscosity of the ink corresponding to the printing speed parameter is equal to the average value of the viscosity parameter of the ink or not;
if not, judging that the viscosity of the ink is not equal to the preset viscosity of the ink, and switching to the adjustment of the viscosity of the ink;
if the printing speed of the printing machine is changed, a change program is executed, and the ink viscosity is adjusted.
Preferably, if the printing speed of the printing machine changes, the changing program is executed, and the step of adjusting the viscosity of the ink comprises the following steps:
when the printing machine changes the preset printing speed according to the printing speed parameter:
changing the printing speed parameter to a preset printing speed at a first acceleration within a first preset time;
and in the first preset time, the average value of the ink viscosity parameter is adjusted to be the preset ink viscosity corresponding to the preset printing speed.
Preferably, the adjustment of the ink viscosity further comprises the correction of the ink viscosity,
the ink viscosity correction includes:
collecting the viscosity parameters of the printing ink once every 1.0-2.0s within second preset time;
the ink management system analyzes the change situation of the ink viscosity within the time interval of 1.0-2.0s to obtain the ink viscosity change amplitude rule;
and correcting the adjustment of the viscosity of the ink in a variation range to ensure that the viscosity of the ink keeps stable and unchanged.
Preferably, adjusting the viscosity of the ink comprises:
adding a diluent to the ink to reduce the viscosity of the ink;
adding a thickener to the ink increases the ink viscosity.
Preferably, the diluent is one or a combination of acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone in any proportion;
the thickening agent is one or the combination of any proportion of polyacrylamide, polyvinyl alcohol, xanthan gum, cellulose ether and the like.
Preferably, the ink viscosity adjusting method includes:
analyzing the reason of the viscosity change;
if the viscosity change is caused by temperature, the ink temperature is adjusted.
Preferably, adjusting the ink temperature comprises:
collecting ink temperature parameters;
transmitting the acquired ink temperature parameters to an ink management system;
judging whether the ink temperature parameter is equal to a preset ink temperature or not;
if not, adjusting the ink temperature.
An ink viscosity adjustment system comprising:
the viscosity acquisition part comprises a plurality of acquisition points arranged in the ink box and is used for acquiring ink viscosity parameters of the ink box;
the ink management system is in signal communication with the viscosity acquisition part and is used for receiving the ink viscosity parameters and analyzing to obtain a highest viscosity value and a lowest viscosity value;
the viscosity analysis part is in signal communication with the ink management system and is used for judging whether the average value of the ink viscosity parameters is equal to the preset ink viscosity or not;
and the viscosity execution part is in signal communication with the viscosity analysis part and is used for adjusting the viscosity of the ink.
Preferably, the method comprises the following steps:
the temperature acquisition part is used for acquiring the temperature parameters of the printing ink;
the ink management system is in signal communication with the temperature acquisition part and is used for receiving ink temperature parameters;
the temperature analysis part is in signal communication with the ink management system and is used for judging whether the ink temperature parameter is equal to the preset ink temperature or not;
and the temperature execution part is in signal communication with the temperature analysis part and is used for adjusting the temperature of the ink.
The ink viscosity adjusting method and the ink viscosity adjusting system have the following technical effects:
1. the application discloses an ink viscosity adjusting method, which can adjust and control ink viscosity in real time, effectively solve the problems of plate fog and ink flying during printing and ensure good quality of printed products.
2. The application discloses printing ink viscosity adjusting method, through the viscosity of printing ink when adjusting printing speed, effectively solves the flying ink problem during printing, improves the stability of printing.
3. The application discloses an ink viscosity adjusting method, and the ink viscosity changing rule is researched to obtain an ink viscosity changing amplitude value, the value is applied to ink viscosity, the ink viscosity is corrected at any time, the constancy within a time interval of 1.0-2.0s during printing is guaranteed, and the printing stability and the quality of a printed matter are guaranteed.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
FIG. 1 is a view schematically showing the structure of example 1 of the ink viscosity adjusting method of the present invention;
FIG. 2 is a view schematically showing the structure of example 2 of the ink viscosity adjusting method of the present invention;
FIG. 3 is a view schematically showing the structure of example 3 of the ink viscosity adjusting method of the present invention;
FIG. 4 is a view schematically showing the structure of example 4 of the ink viscosity adjusting method of the present invention;
FIG. 5 is a block diagram illustrating an exemplary ink viscosity adjustment system of the present invention;
FIG. 6 is a block diagram schematically illustrating an ink temperature adjustment system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The basic idea of the ink viscosity adjusting method and the ink viscosity adjusting system is as follows: the viscosity of the printing ink is changed by adding a diluent or thickener at the moment during the printing process.
The ink viscosity adjusting method and the ink viscosity adjusting system will be described in detail below with reference to the accompanying drawings.
One object of the present invention is: an ink viscosity adjusting method and an ink viscosity adjusting system are provided, as shown in the structural diagram of example 1 of the ink viscosity adjusting method in fig. 1, which may include:
and collecting viscosity parameters of the ink at a plurality of positions in the ink box.
The ink viscosity parameter is communicated to an ink management system.
And comparing the ink viscosity parameters to obtain the highest viscosity value and the lowest viscosity value and obtain the average value of the ink viscosity parameters.
And judging whether the average value of the ink viscosity parameters is equal to the preset ink viscosity.
And if the viscosity of the ink is not equal to the preset ink viscosity, adjusting the ink viscosity to the preset ink viscosity.
Its theory of operation does, gathers the point at a plurality of printing ink viscosities of printing ink box, through the multiple spot accuracy of gathering improvement collection, after gathering, will gather printing ink viscosity parameter and transmit for printing ink management system, and printing ink management system carries out the analysis to printing ink viscosity parameter, obtains the viscosity scope value of ink horn: and (4) obtaining the average value of the viscosity parameters of the ink from the highest viscosity value to the lowest viscosity value, judging whether the viscosity range value is the viscosity value required by the printing machine or not, and adjusting the viscosity value if not.
Referring to fig. 2, the method for adjusting ink viscosity as shown in example 2, the step of determining whether the average value of the ink viscosity parameters is equal to the predetermined ink viscosity may include:
if the printing speed of the printing machine is not changed:
collecting printing speed parameters of a printing machine.
And judging whether the viscosity of the ink corresponding to the printing speed parameter is equal to the average value of the viscosity parameter of the ink.
If not, judging that the viscosity of the ink is not equal to the preset viscosity of the ink, and turning to the adjustment of the viscosity of the ink.
This application is as a reference basis of judgement printing ink viscosity with printing speed, because different printing speed need correspond different printing ink viscosity, just can obtain the best printing effect, and printing speed is the change constantly again, if printing machine printing speed this moment, can directly judge, then carry out printing ink viscosity adjustment, through to printing ink viscosity adjustment, the problem of droplet in the time of can effectively solving the printing.
If the printing speed of the printing machine is changed, a change program is executed, and the ink viscosity is adjusted.
Specifically, the changing the printing speed of the printing press, executing the change program, and the shifting to the adjusting the viscosity of the ink may include:
when the printing machine changes the preset printing speed according to the printing speed parameter:
the printing speed parameter is changed from the printing speed parameter to a predetermined printing speed at a first acceleration for a first predetermined time.
And in the first preset time, the average value of the ink viscosity parameter is adjusted to be the preset ink viscosity corresponding to the preset printing speed.
When the printing speed of the printing machine changes, the viscosity of the required printing ink is inevitably changed, but if the viscosity of the printing ink is adjusted in a delayed mode, the printing quality is influenced, therefore, when the preset printing speed is changed by the printing speed parameter, the printing acceleration time is set, the buffering time for the viscosity change of the printing ink is given in the time, the printing speed change and the viscosity change of the printing ink are in seamless connection, the printing quality difference caused by the printing speed change is guaranteed, and the stability of the printing process and the attractiveness of the printed patterns are improved.
As shown in the structure diagram of example 3 of the ink viscosity adjusting method of fig. 3, the present application aims to further improve the stability of the ink at the time of printing. The adjustment of the ink viscosity may further include a correction of the ink viscosity.
Correcting the ink viscosity may include:
and collecting the ink viscosity parameter once every 1.0-2.0s in a second preset time.
And the ink management system analyzes the change situation of the ink viscosity within the time interval of 1.0-2.0s to obtain the ink viscosity change amplitude rule.
And correcting the adjustment of the viscosity of the ink in a variation range to ensure that the viscosity of the ink keeps stable and unchanged.
Wherein the second predetermined time period is 30 minutes.
The viscosity of the gravure ink can be increased along with the volatilization of the solvent along with the lapse of time, and the gravure ink with higher viscosity can generate a plurality of adverse effects on the gravure printing of high-speed rotation, so that the yield of printed products is reduced sharply.
In general, the means for adjusting the viscosity of the ink may include:
the addition of a diluent to the ink reduces the viscosity of the ink.
Adding a thickener to the ink increases the ink viscosity.
Specifically, the diluent may be one or a combination of acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone in any proportion.
The thickening agent can be one or the combination of any proportion of polyacrylamide, polyvinyl alcohol, xanthan gum, cellulose ether and the like.
It should be noted that the causes of the ink viscosity change are various, and the present application also analyzes the causes of the ink viscosity change, and as shown in the structural diagram of example 4 of the ink viscosity adjusting method of fig. 4, if the viscosity change is caused by temperature, the ink temperature can be adjusted.
Specific adjustments to the ink temperature may include:
and collecting the temperature parameters of the printing ink.
And transmitting the acquired ink temperature parameters to an ink management system.
And judging whether the acquired ink temperature parameter is equal to the preset ink temperature.
If not, adjusting the ink temperature.
The present application further discloses an ink viscosity adjusting system, as shown in the structure diagram of the ink viscosity adjusting system in fig. 5, the ink viscosity adjusting system may include:
the viscosity acquisition part comprises a plurality of acquisition points arranged in the ink box and is used for acquiring ink viscosity parameters of the ink box.
And the ink management system is in signal communication with the viscosity acquisition part and is used for receiving the ink viscosity parameters, analyzing the ink viscosity parameters to obtain the highest viscosity value and the lowest viscosity value and obtaining the average value of the ink viscosity parameters.
And the viscosity analysis part is in signal communication with the ink management system and is used for judging whether the average value of the ink viscosity parameters is equal to the preset ink viscosity or not.
And the viscosity execution part is in signal communication with the viscosity analysis part and is used for adjusting the viscosity of the ink.
Meanwhile, as shown in fig. 6, a structural diagram of an ink temperature adjustment system, the ink viscosity adjustment system may include:
and the temperature acquisition part is used for acquiring the temperature parameters of the printing ink.
And the ink management system is in signal communication with the temperature acquisition part and is used for receiving the ink temperature parameters.
And the temperature analysis part is in signal communication with the ink management system and is used for judging whether the ink temperature parameter is equal to the preset ink temperature or not.
And the temperature execution part is in signal communication with the temperature analysis part and is used for adjusting the temperature of the ink.
The invention discloses an ink viscosity adjusting method and an ink viscosity adjusting system, wherein the ink viscosity adjusting method comprises the following steps: the viscosity of the printing ink is regulated and controlled in real time, the problems of plate fog and ink flying during printing are effectively solved, and the quality of a printed product is good.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.
Claims (10)
1. An ink viscosity adjusting method, comprising:
collecting viscosity parameters of ink at a plurality of positions in an ink box;
transmitting the ink viscosity parameter to an ink management system;
comparing the ink viscosity parameters to obtain a highest viscosity value and a lowest viscosity value and obtain an average value of the ink viscosity parameters;
judging whether the average value of the ink viscosity parameters is equal to the preset ink viscosity or not;
and if the viscosity of the ink is not equal to the preset ink viscosity, adjusting the ink viscosity to the preset ink viscosity.
2. The method of adjusting viscosity of ink according to claim 1,
the judging whether the average value of the ink viscosity parameter is equal to the preset ink viscosity comprises the following steps:
if the printing speed of the printing machine is not changed:
collecting printing speed parameters of a printing machine;
judging whether the viscosity of the ink corresponding to the printing speed parameter is equal to the average value of the viscosity parameter of the ink or not;
if not, judging that the viscosity of the ink is not equal to the preset viscosity of the ink, and switching to the adjustment of the viscosity of the ink;
if the printing speed of the printing machine is changed, a change program is executed, and the ink viscosity is adjusted.
3. The method of adjusting viscosity of ink according to claim 2,
if the printing speed of the printing machine changes, executing a change program, and switching to the adjustment of the viscosity of the ink comprises the following steps:
when the printing machine changes the preset printing speed according to the printing speed parameter:
changing the printing speed parameter to the preset printing speed at a first acceleration within a first preset time;
and within the first preset time, adjusting the average value of the ink viscosity parameter to be the preset ink viscosity corresponding to the preset printing speed.
4. The method for adjusting the viscosity of an ink according to claim 1, further comprising correcting the viscosity of the ink after the adjustment,
the correcting the viscosity of the ink comprises the following steps:
collecting the viscosity parameters of the printing ink once every 1.0-2.0s within second preset time;
the ink management system analyzes the change condition of the viscosity of the ink within a time interval of 1.0-2.0s to obtain the change amplitude rule of the viscosity of the ink;
and correcting the adjustment of the viscosity of the ink according to the change amplitude so that the viscosity of the ink keeps stable and unchanged.
5. The ink viscosity adjusting method according to claim 1, wherein the adjusting the ink viscosity includes:
adding a diluent to the ink to reduce the viscosity of the ink;
adding a thickener to the ink increases the ink viscosity.
6. The method of adjusting viscosity of ink according to claim 5,
the diluent is one or the combination of acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone in any proportion;
the thickening agent is one or the combination of any proportion of polyacrylamide, polyvinyl alcohol, xanthan gum, cellulose ether and the like.
7. The ink viscosity adjusting method according to claim 1, comprising:
analyzing the reason of the viscosity change;
if the viscosity change is caused by temperature, the ink temperature is adjusted.
8. The method of adjusting viscosity of ink according to claim 1,
the adjusting the ink temperature includes:
collecting ink temperature parameters;
transmitting the collected ink temperature parameters to the ink management system;
judging whether the ink temperature parameter is equal to a preset ink temperature or not;
and if the temperature is not equal to the preset ink temperature, adjusting the ink temperature.
9. An ink viscosity adjustment system, comprising:
the viscosity acquisition part comprises a plurality of acquisition points arranged in the ink box and is used for acquiring ink viscosity parameters of the ink box;
the ink management system is in signal communication with the viscosity acquisition part and is used for receiving the ink viscosity parameters, analyzing the ink viscosity parameters to obtain a highest viscosity value and a lowest viscosity value and obtaining an average value of the ink viscosity parameters;
the viscosity analysis part is in signal communication with the ink management system and is used for judging whether the average value of the ink viscosity parameters is equal to the preset ink viscosity or not;
and the viscosity execution part is in signal communication with the viscosity analysis part and is used for adjusting the viscosity of the ink.
10. The ink viscosity adjustment system of claim 9, comprising:
the temperature acquisition part is used for acquiring the temperature parameters of the printing ink;
the ink management system is in signal communication with the temperature acquisition part and is used for receiving the ink temperature parameters;
the temperature analysis part is in signal communication with the ink management system and is used for judging whether the ink temperature parameter is equal to a preset ink temperature or not;
and the temperature execution part is in signal communication with the temperature analysis part and is used for adjusting the temperature of the ink.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010607631.5A CN111703186B (en) | 2020-06-29 | 2020-06-29 | Ink viscosity adjusting method |
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| CN202010607631.5A CN111703186B (en) | 2020-06-29 | 2020-06-29 | Ink viscosity adjusting method |
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| CN209274157U (en) * | 2018-12-10 | 2019-08-20 | 玉溪环球彩印纸盒有限公司 | A kind of cooling device of gravure ink |
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| JPH02111554A (en) * | 1988-10-20 | 1990-04-24 | Fujitsu Ltd | Ink viscosity control method |
| JP2009128833A (en) * | 2007-11-27 | 2009-06-11 | Seiko Epson Corp | Droplet ejecting apparatus, manufacturing method of color filter, color filter, image display apparatus and electronic instrument |
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| CN210680090U (en) * | 2019-06-28 | 2020-06-05 | 广西真龙彩印包装有限公司 | Automatic solvent adding equipment of gravure press |
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| CN111703186B (en) | 2022-07-12 |
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