CN103570231A - Intelligent chemical enhanced furnace control method and device - Google Patents
Intelligent chemical enhanced furnace control method and device Download PDFInfo
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- CN103570231A CN103570231A CN201210285229.5A CN201210285229A CN103570231A CN 103570231 A CN103570231 A CN 103570231A CN 201210285229 A CN201210285229 A CN 201210285229A CN 103570231 A CN103570231 A CN 103570231A
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Abstract
The invention discloses a device with an intelligent chemical enhanced furnace control method. The device comprises an enhanced furnace, a manual operation interface and a control system, wherein a chemical enhanced solution is filled in the enhanced furnace; the manual operation interface is used for inputting enhanced parameters and displaying and enhancing the related data; the control system is used for controlling the enhanced parameters of the enhanced furnace. According to the device with the intelligent chemical enhanced furnace control method, the enhanced parameters of glass can be automatically regulated, so that the parameters are optimized to the greatest degree, the manual cost is saved, and the enhanced surface stress value and the numerical value of depth of an exchange layer are accurately controlled.
Description
Technical field
The present invention relates to chemical enhancement furnace, particularly the device of a kind of intelligent chemical enhancement furnace control method and this intelligent chemical enhancement furnace control method of tool.
Background technology
Action electronic device comprises mobile telephone, tablet PC etc. to be needed to use sheet glass as the covering surfaces of screen conventionally.The sheet glass being applied on the action electronic device with touch controllable function contacts because of bearing touch-control frequently, and must be through strengthening and scratch resistant processing.
Traditional chemically enhancing glass processing procedure, is that glass is soaked in the chemical enhancement furnace of high temperature completely, has the potassium nitrate solution of very high purity in chemical enhancement furnace, utilizes potassium ion and sodium ion that replacement(metathesis)reaction at high temperature occurs, and carries out chemical enhanced.General strengthening stove all adopts and enhanced time is set fixedly and strengthening temperature obtains required strengthening effect.
Saltpetre is after ion exchange reaction, and in chemical enhancement furnace, potassium concentration is understood continuous decrease, and Na ion concentration can continue to rise.Fig. 1 is the trend map with chemical enhanced sodium ion in liquor change in concentration at strengthening temperature, time permanence condition lower surface stress value or value of compressive stress (compressive stress/CS).As shown in Figure 1, if strengthening temperature and enhanced time are constant, glass is strengthened in the chemical enhanced solution of different Na ion concentrations, after strengthening the surface stress of glass can be along with the increase of chemical enhanced sodium ion in liquor concentration continuous decrease.And surface stress decline can make the strength degradation of glass.Therefore for guaranteeing the intensity of glass, surface stress value need be guaranteed a higher level.As adopt fixing strengthening temperature and time to produce, cannot guarantee that surface stress maintains a higher level.And potassium nitrate solution is because of the rising of Na ion concentration in strengthening process, and it recycles number of times also will be limited.
Fig. 2 is the graph of a relation with exchange layer depth (depth of exchange layer/DOL) at difference strengthening temperature condition lower surface stress value.As shown in Figure 2, when exchange layer depth is while being 55 μ m, the surface stress value of glass about 12.5MPa that declined when the surface stress value of glass is strengthened than 400 ℃ while strengthening with 410 ℃ of temperature.Under the condition of identical exchange layer depth, the impact of glass reinforced temperature effects on surface stress value is that the higher surface stress value of temperature is just lower.At identical glass reinforced temperature, the more shallow glass surface stress value of exchange layer depth is just higher.
Therefore in order to reach best or optimal glass reinforced effect, must be optimized for above-mentioned parameter.If comprising Na ion concentration in chemical enhancement furnace, strengthening temperature, enhanced time, exchange layer depth and surface stress value etc., these parameters estimate in artificial mode, very may produce deviation, expend higher human cost and cannot reach predetermined strengthening target value, cannot guarantee that the product of a large amount of batches of productions maintains stable quality simultaneously
Summary of the invention
The invention provides a kind of device with intelligent chemical enhancement furnace control method, comprise a strengthening stove, a manual operation interface and a Controlling System.Strengthening stove is equipped with chemical enhanced solution, and manual operation interface is used for inputting strengthening parameter and show augmentation data, and this Controlling System is for controlling the strengthening parameter of strengthening stove.Controlling System includes a sampling detecting unit, an analytical unit and a controlled processing unit.Sampling detecting unit samples the Na ion concentration that detects chemical enhanced solution.Analytical unit is for calculating enhanced time and strengthen temperature in conjunction with default equation coefficients analysis meter according to the correlation parameter of the strengthening of input and Na ion concentration that this sampling detecting unit records.The enhanced time that controlled processing unit is calculated according to this analytical unit institute analysis meter and strengthening temperature are controlled the strengthening parameter of strengthening stove.
In an embodiment of the present invention, in strengthening stove, comprise a chemical enhanced solution.The strengthening parameter that sees through the input of manual operation interface comprises glass material, thickness of glass, required surface stress target value and exchange layer depth target value.Controlling System system sees through and regulates enhanced time and temperature to guarantee that the effect after glass reinforced reaches required surface stress target value and exchanges layer depth target value to the detection of the Na ion concentration of chemical enhanced solution.
Further, this Controlling System comprises a judging unit, and this judging unit judges whether the Na ion concentration of chemical enhanced solution surpasses the default value of defining.
Further, default value of defining of the Na ion concentration of this chemical enhanced solution is 6500PPM.
In another embodiment of the present invention, a kind of control method of intelligent chemical enhancement furnace is proposed, this method comprises the following steps.First input strengthening parameter is on manual operation interface.Then the sampling of Controlling System detects the Na ion concentration of chemical enhanced solution, and this chemical enhanced solution Na ion concentration is presented on manual operation interface.Then the analytical unit of Controlling System receives the Na ion concentration of this strengthening parameter and this chemical enhanced solution, according to the equation coefficients analysis meter having set, calculates desirable enhanced time and temperature.The controlled processing unit of last Controlling System is controlled the strengthening parameter of strengthening stove according to this chemical enhanced temperature and enhanced time.
Further, when the Na ion concentration that monitors chemical enhanced solution when the sampling detecting unit of this Controlling System exceeds the default value of defining, the controlled processing unit of this Controlling System is indicated this device with intelligent chemical enhancement furnace control method message that gives the alarm through digital-to-analogue conversion.
Further, default value of defining of the Na ion concentration of this chemical enhanced solution is 6500PPM.
Therefore, the present invention proposes a kind of device with intelligent chemical enhancement furnace control method, the monitoring that can automatically adjust for glass reinforced parameter is optimized parameter to greatest extent, to save human cost, accurately control surface stress value and exchange layer depth numerical value after strengthening, guarantee the constant product quality of a large amount of batches of productions simultaneously.
Accompanying drawing explanation
Fig. 1 is the trend map that value of compressive stress changes with Na ion concentration under strengthening temperature, time permanence condition.
Fig. 2 is the graph of a relation with exchange layer depth at difference strengthening temperature condition lower surface stress value.
Fig. 3 is the device of the intelligent strengthening stove of having of a preferred embodiment of the present invention control method.
Fig. 4 is the control method schema of intelligent chemical enhancement furnace according to an embodiment of the invention.
Embodiment
To in detail each embodiment of this case be described in detail below, and coordinate accompanying drawing as illustration.Except these are described in detail, the present invention can also be implemented in other embodiment widely, the substituting easily of any described embodiment, revise, equivalence changes and is included in the scope of this case, and with after the scope of the claims be as the criterion.In the description of specification sheets, in order to make reader have more complete understanding to the present invention, many specific detail are provided; Yet the present invention may, at clipped or all under the prerequisite of these specific detail, still can implement.In addition, well-known step or assembly are not described in details, with the restriction of avoiding causing the present invention unnecessary.Assembly identical or similar in accompanying drawing will represent with identical or simileys.Pay special attention to, accompanying drawing is only the use of signal, not represents actual size or quantity, unless otherwise specified.
The device that the invention provides a kind of control method of intelligent chemical enhancement furnace and there is intelligent chemical enhancement furnace control method.Need special instruction, for ease of explanation, the present invention only proposes preferred embodiment as illustration, but other meet spirit of the present invention replacement, revise the person that maybe can reach identical function, also belong to scope of the present invention.For the person that has general technology of this area, each side of the present invention is further revised will be for obviously with alternative embodiment.
Fig. 3 is the device of the intelligent strengthening stove of having of a preferred embodiment of the present invention control method.As shown in Figure 3, the present invention's the device 100 with intelligent strengthening stove control method comprises a strengthening stove 102, a manual operation interface 108 and a Controlling System 101.Strengthening stove 102 is equipped with chemical enhanced solution, can be used for glass and carries out chemical enhanced.This chemical enhanced solution is to adopt highly purified potassium nitrate solution, carries out replacement(metathesis)reaction, to carry out chemical enhanced to glass with potassium ion and sodium ion under high temperature.Because potassium ion is larger, therefore with potassium ion, replace the surface stress that the less sodium ion of glass surface can improve glass surface.Manual operation interface 108 is for inputting strengthening parameter, comprises glass material, thickness of glass, required surface stress target value, exchange layer depth target value.Controlling System 101 is calculated required ideal strengthening parameter according to the strengthening parameter being input on manual operation interface 108 in conjunction with default equation coefficients analysis meter, seeing through digital-to-analogue conversion (digital to analog converter, D/A conversion) controls the strengthening parameter of this strengthening stove 102 and this ideal is strengthened to parameter display on manual operation interface 108.
Chemical enhanced solution in 106 pairs of strengthening stoves 102 of sampling detecting unit samples and detects the Na ion concentration of this chemical enhanced solution.Analytical unit 110 is calculated enhanced time according to the strengthening parameter of input and the chemical enhanced solution Na ion concentration that records of this sampling detecting unit 106 in conjunction with default equation coefficients analysis meter and is strengthened temperature and chemical enhanced solution Na ion concentration that this sampling detecting unit 106 is recorded is sent to judging unit 112, the enhanced time that controlled processing unit 104 is calculated according to 110 analysis meters of this analytical unit and strengthening temperature, seeing through D/A changes control the strengthening parameter of chemical enhancement furnace 102 and strengthen, control the heater switch of strengthening stove 102 and the running of strengthening stove 102 to reach predetermined strengthening temperature and enhanced time simultaneously.Judging unit 112 judges according to the value of defining of acquiescence whether the Na ion concentration of the chemical enhanced solution of strengthening stove 102 surpasses the default value of defining, and this judged result is fed back to controlled processing unit 104.If the Na ion concentration in the chemical enhanced solution of strengthening stove 102 surpasses the predetermined value of defining, controlled processing unit 104 by D/A change device 100 that indication has an intelligent strengthening stove control method give the alarm message and not output parameter in manual operation interface 108, can therefore guarantee quality product.The device 100 with intelligent strengthening stove control method calculates by analytical unit 110, can optimize to greatest extent strengthening parameter, increases the chemical enhanced solution circulated access times of strengthening stove 102.
Controlling System 101 can further comprise required relative unit software and hardware, and for example software program, Storage Media, internal memory are with software program for execution storage and data parameters data.Above-mentioned software program, Storage Media, internal memory and display unit belong to the Yan Junke for being familiar with the art and tool general technology person and understand, and can be to be applicable to device or implement software and can to reach or implement without excessive experiment or extra effort, therefore general well-known assembly does not show especially at this.Software program can be any software program that is applicable to and can reaches the function of embodiment of the present invention requirement.
In order to obtain required ideal strengthening parameter, applicable software can be used to carry out experimental design (design of experiment/DOE).The software using can be minitab software, but is not limited to minitab software.Utilize minitab software design to go out experimental design example as shown in Table 1.
Table one
| Standard order | Carry out order | Central point | District's group | Strengthening temperature ℃ | Na ion concentration | Enhanced time | Surface stress value | |
| 5 | 1 | 0 | 1 | 420 | 4700 | 6 | ||
| 2 | 2 | 1 | 1 | 440 | 1600 | 4 | ||
| 1 | 3 | 1 | 1 | 400 | 1600 | 8 | ||
| 4 | 4 | 1 | 1 | 440 | 7800 | 8 | ||
| 3 | 5 | 1 | 1 | 400 | 7800 | 4 |
Then experimental design result is carried out to formula fitting, as shown in Table 2.
Table two
By equation coefficients Input Software system, input correlation parameter and target value simultaneously and carry out analog calculation, to draw desirable strengthening parameter.
Fig. 4 is the control method schema of intelligent chemical enhancement furnace according to an embodiment of the invention.Shown in Fig. 3 and Fig. 4, application the present invention has the device of intelligent chemical enhancement furnace control method, can implement the control method of intelligent chemical enhancement furnace, and this method comprises the following steps.First in step 202, input strengthening parameter is on manual operation interface 108; Then in step 204,106 samplings of sampling detecting unit detect the Na ion concentration of chemical enhanced solution, and this Na ion concentration is presented on manual operation interface 108; Then in step 206, analytical unit 110 receives the Na ion concentration of this strengthening phase related parameter and this chemical enhanced solution, and calculates desirable enhanced time and temperature according to the equation coefficients analysis meter having set; Finally, in step 208, controlled processing unit 104 is controlled the strengthening parameter of strengthening stove according to this chemical enhanced temperature and enhanced time.
Strengthening phase related parameter by 108 inputs of manual operation interface comprises glass material, thickness of glass, strengthening surface stress objective value and strengthening degree of depth target value.The Na ion concentration of the chemical enhanced solution that analytical unit 110 further records this sampling detecting unit 106 is sent to judging unit 112.Judging unit 112 judges according to the value of defining of acquiescence whether the Na ion concentration of the chemical enhanced solution of strengthening stove 102 surpasses the default value of defining, and this judged result is fed back to controlled processing unit.If the Na ion concentration of the chemical enhanced solution of judging unit 112 judgement strengthening stoves 102 surpasses the default value of defining, and this judged result is fed back to controlled processing unit 104.Controlled processing unit 104 see through device 100 that D/A conversion indication has intelligent strengthening stove control method give the alarm message and not output parameter in manual operation interface 108, therefore guarantee quality product.The value of defining of the chemical enhanced solution Na ion concentration of strengthening stove 102 is 6500PPM (or other represents).
The device with intelligent chemical enhancement furnace control method of one embodiment of the invention is compared with the device with traditional chemical strengthening stove control method, the deviation that can avoid artificial estimation strengthening parameter to cause.Set after surface stress target value and exchange layer depth target value, the present invention's the device with intelligent chemical enhancement furnace control method can see through and automatically regulate enhanced time and temperature to guarantee that the effect after glass reinforced reaches required surface stress target value and exchanges layer depth target value to the monitoring of sodium ion.The Na ion concentration of chemical enhanced solution exceeds that device that acquiescence has intelligent chemical enhancement furnace control method after the value of defining can give a warning automatically and output parameter not, therefore can guarantee the constant product quality of producing for large quantities of times.By micro computer, calculate, parameters optimization, increases potassium nitrate solution and recycles number of times to greatest extent, accurately controls surface stress and exchange layer depth numerical value after strengthening, and saves human cost.
The foregoing is only the present invention's preferred embodiment, not in order to limit the present invention's claim; All other do not depart from lower equivalence completing of disclosed spirit and change or modify, and all should be included in following claim.
Claims (10)
1. a control method for intelligent chemical enhancement furnace, is characterized in that, comprising:
Input strengthening parameter is on manual operation interface;
The sampling detecting unit sampling of Controlling System detects the Na ion concentration of chemical enhanced solution, and this Na ion concentration is shown on manual operation interface;
The analytical unit of Controlling System receives the Na ion concentration of this strengthening parameter and this chemical enhanced solution, according to the equation coefficients analysis meter having set, calculates desirable enhanced time and strengthening temperature; And the controlled processing unit of Controlling System is controlled the strengthening parameter of strengthening stove according to this chemical enhanced temperature and enhanced time.
2. the control method of intelligent chemical enhancement furnace according to claim 1, is characterized in that, the strengthening parameter of this input comprises glass material and thickness of glass.
3. the control method of intelligent chemical enhancement furnace according to claim 1, is characterized in that, the strengthening parameter of this input further comprises strengthening surface stress objective value and strengthening degree of depth target value.
4. the control method of intelligent chemical enhancement furnace according to claim 1, is characterized in that, this sampling detecting unit is further monitored the Na ion concentration of this chemical enhanced solution.
5. the control method of intelligent chemical enhancement furnace according to claim 4, it is characterized in that, when the sampling detecting unit of this Controlling System measures Na ion concentration in chemical enhanced solution and exceeds the acquiescence value of defining, the controlled processing unit of this Controlling System sees through digital-to-analogue conversion and indicates the message that gives the alarm of the device with this intelligent chemical enhancement furnace control method.
6. the control method of intelligent chemical enhancement furnace according to claim 5, wherein default value of defining of the Na ion concentration of this chemical enhanced solution is 6500PPM.
7. a device with intelligent chemical enhancement furnace control method, is characterized in that, comprises
One strengthening stove, this strengthening stove is equipped with chemical enhanced solution;
One manual operation interface, parameter is strengthened for inputting and showing in this manual operation interface; And
One Controlling System, this Controlling System is for controlling the strengthening parameter of strengthening stove;
Wherein, this Controlling System includes a sampling detecting unit, for detection of the Na ion concentration of chemical enhanced solution; One analytical unit, calculates enhanced time and strengthening temperature according to the chemical enhanced solution Na ion concentration of the strengthening parameter of input and the detection of this sampling detecting unit in conjunction with default equation coefficients analysis meter; And, a controlled processing unit, the enhanced time of calculating according to this analytical unit institute analysis meter and strengthening temperature are controlled the strengthening parameter of strengthening stove.
8. the device with intelligent chemical enhancement furnace control method according to claim 7, is characterized in that, this sampling detecting unit is the Na ion concentration of the chemical enhanced solution of monitoring further.
9. the device with intelligent chemical enhancement furnace control method according to claim 7, is characterized in that, this Controlling System comprises a judging unit, and this judging unit judges whether the Na ion concentration of chemical enhanced solution surpasses the default value of defining.
10. the device of the control method of intelligent chemical enhancement furnace according to claim 9, is characterized in that, this default value of defining is 6500PPM.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210285229.5A CN103570231A (en) | 2012-08-03 | 2012-08-03 | Intelligent chemical enhanced furnace control method and device |
| TW102200311U TWM468516U (en) | 2012-08-03 | 2013-01-08 | Intelligent chemical enhance furnace |
| TW102100489A TW201407306A (en) | 2012-08-03 | 2013-01-08 | Intelligent chemical enhance furnace control method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210285229.5A CN103570231A (en) | 2012-08-03 | 2012-08-03 | Intelligent chemical enhanced furnace control method and device |
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| CN103570231A true CN103570231A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210285229.5A Pending CN103570231A (en) | 2012-08-03 | 2012-08-03 | Intelligent chemical enhanced furnace control method and device |
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| CN (1) | CN103570231A (en) |
| TW (2) | TWM468516U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI776003B (en) | 2018-12-14 | 2022-09-01 | 揚明光學股份有限公司 | Manufacturing equipment and method for molded lens |
| CN111377598B (en) * | 2018-12-28 | 2023-08-04 | 扬明光学股份有限公司 | Apparatus and method for manufacturing molded lens |
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|---|---|---|---|---|
| US3772135A (en) * | 1969-07-10 | 1973-11-13 | Asahi Glass Co Ltd | Glass strengthened by ion exchange and method of preparing the same |
| US4156755A (en) * | 1978-04-19 | 1979-05-29 | Ppg Industries, Inc. | Lithium containing ion exchange strengthened glass |
| US20060260364A1 (en) * | 2005-05-18 | 2006-11-23 | City University Of Hong Kong | Method for fabricating buried ion-exchanged waveguides using field-assisted annealing |
| CN201999853U (en) * | 2011-03-10 | 2011-10-05 | 昆山冠益玻璃有限公司 | Chemical enhancement furnace |
| CN102344241A (en) * | 2011-06-14 | 2012-02-08 | 胡伟 | Chemical enhancement furnace system for glass and method of chemical enhancement furnace system |
| WO2012061049A1 (en) * | 2010-11-04 | 2012-05-10 | Apple Inc. | Enhanced strengthening of glass |
| CN102515491A (en) * | 2011-12-26 | 2012-06-27 | 海南中航特玻材料有限公司 | Method for removing potassium nitrate impurity ions on line in chemical tempering production |
| CN102557414A (en) * | 2012-01-16 | 2012-07-11 | 常熟晶玻光学科技有限公司 | Toughened-glass reinforcing furnace |
| CN102612500A (en) * | 2009-09-30 | 2012-07-25 | 苹果公司 | Techniques for strengthening glass covers for portable electronic devices |
| CN202829823U (en) * | 2012-08-03 | 2013-03-27 | 瑞士达光学(厦门)有限公司 | Device with intelligent chemical reinforcing furnace controlling method |
-
2012
- 2012-08-03 CN CN201210285229.5A patent/CN103570231A/en active Pending
-
2013
- 2013-01-08 TW TW102200311U patent/TWM468516U/en not_active IP Right Cessation
- 2013-01-08 TW TW102100489A patent/TW201407306A/en unknown
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3772135A (en) * | 1969-07-10 | 1973-11-13 | Asahi Glass Co Ltd | Glass strengthened by ion exchange and method of preparing the same |
| US4156755A (en) * | 1978-04-19 | 1979-05-29 | Ppg Industries, Inc. | Lithium containing ion exchange strengthened glass |
| US20060260364A1 (en) * | 2005-05-18 | 2006-11-23 | City University Of Hong Kong | Method for fabricating buried ion-exchanged waveguides using field-assisted annealing |
| CN102612500A (en) * | 2009-09-30 | 2012-07-25 | 苹果公司 | Techniques for strengthening glass covers for portable electronic devices |
| WO2012061049A1 (en) * | 2010-11-04 | 2012-05-10 | Apple Inc. | Enhanced strengthening of glass |
| CN201999853U (en) * | 2011-03-10 | 2011-10-05 | 昆山冠益玻璃有限公司 | Chemical enhancement furnace |
| CN102344241A (en) * | 2011-06-14 | 2012-02-08 | 胡伟 | Chemical enhancement furnace system for glass and method of chemical enhancement furnace system |
| CN102515491A (en) * | 2011-12-26 | 2012-06-27 | 海南中航特玻材料有限公司 | Method for removing potassium nitrate impurity ions on line in chemical tempering production |
| CN102557414A (en) * | 2012-01-16 | 2012-07-11 | 常熟晶玻光学科技有限公司 | Toughened-glass reinforcing furnace |
| CN202829823U (en) * | 2012-08-03 | 2013-03-27 | 瑞士达光学(厦门)有限公司 | Device with intelligent chemical reinforcing furnace controlling method |
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| Publication number | Publication date |
|---|---|
| TW201407306A (en) | 2014-02-16 |
| TWM468516U (en) | 2013-12-21 |
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