CN102617027B - System and method for heating automobile glass - Google Patents
System and method for heating automobile glass Download PDFInfo
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- CN102617027B CN102617027B CN201210097081.2A CN201210097081A CN102617027B CN 102617027 B CN102617027 B CN 102617027B CN 201210097081 A CN201210097081 A CN 201210097081A CN 102617027 B CN102617027 B CN 102617027B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention relates to a system and a method for heating automobile glass, in particular to a system and a method for heating the automobile glass in the processes of tempering the automobile glass and bending the automobile glass by baking. The system comprises conveying rollers for conveying glass, an upper half part heating system, and a lower half part heating system; the upper half part heating system comprises a magnetic material plate, a radio-frequency induction coil assembly and an insulation board; and the lower half part heating system comprises a plurality of air pipelines, wherein each air pipeline is provided with a plurality of nozzles, and is provided with a valve switch which is independently controlled. By the system and the method, the glass can be heated quickly, energy is saved, and heating temperature and a heating area are easy to control; and a heating process is stable, a uniform heating effect is achieved, and the lower half part heating system is heated by using hot air to ensure that the surface of the glass is not scratched easily in the conveying process of the glass. Meanwhile, by the system and the method, production efficiency is greatly improved, and production cost is reduced.
Description
Technical field
The present invention relates to a kind of system and method for vehicle glass is heated, the system and method that specially refers to vehicle glass at tempering, heats in drying curved process.
Background technology
The production of windshield glass of automobile and skylight glass is that the sheet glass of well cutting is placed on forming mould, and then the dolly of baking and bending furnace is sent into glass in stove and heated, and making its dead load forming is desired shape, finally closes sheet, is made into laminated glass.As Chinese patent, CN00266194.2 discloses furnace wire arrangement structure of single cavity furnace, adopts electric stove wire as the heating unit of stove.Adopt electric stove wire heating to there are some shortcomings: the thermo-efficiency heating with electric stove wire is not high, and electric stove wire is used after for some time easily fracture of wire, power is opened to obtain the higher electric stove wire fracture of wire that also easily makes, thereby cause the temperature field of heating region to change, and then affect the brake forming effect of glass, the yield rate that impact is produced, and the compartment time will carry out the maintenance maintenance of stove, production cost is increased.
The need of production of toughened glass by glass heats near the softening temperature of glass or higher than the temperature of softening temperature, and then softening glass is carried out cooling fast, to form toughened glass.Existing glass tempering furnace is also to adopt electric stove wire as heating unit, the thermo-efficiency that adopts electric stove wire to heat is not high, and electric stove wire uses after for some time easily fracture of wire, thereby cause the temperature field of heating region to change, and then affect the heats of glass.Temperature required for glass is heated to faster, just must strengthen the power of electric stove wire, when power is higher, electric stove wire is easier to fracture of wire.Because stove silk disconnects, cause equipment often to keep in repair, cause whole production efficiency to reduce, thereby improved production cost.
Summary of the invention
Technical problem to be solved by this invention is to have the shortcomings such as fracture of wire, thermo-efficiency are not high for existing electric stove wire heating system, a kind of system for vehicle glass is heated is provided, a kind of application method that this system heats vehicle glass is provided simultaneously.
The present invention solves the technical scheme that its technical problem takes: a kind of system for vehicle glass is heated, comprise delivery roll, upper part heating system and lower part heating system for transmission glass, and it is characterized in that:
Upper part heating system comprises
Magnetically permeable material plate, is arranged near needing heated glass top, for glass heats is arrived temperature required;
Radio-frequency induction coil group, is arranged on the top of the magnetically permeable material plate of glass top, for magnetically permeable material plate is heated to temperature required;
Thermal baffle, is arranged between the radio-frequency induction coil group and magnetically permeable material plate of glass top, and the heat producing for isolated magnetically permeable material plate is to the transmission of radio-frequency induction coil group;
Lower part heating system comprises the many gas pipelines with a plurality of nozzles, and described gas pipeline is arranged side by side the below in delivery roll, and every gas pipeline is provided with the independent valve switch of controlling separately.
The method that application said system heats vehicle glass, comprises the steps:
Step 1: to the energising of upper part heating system, make radio-frequency induction coil group carry out induction heating to magnetically permeable material plate;
Step 2: in lower part heating system, open gas pipeline valve, pass into heated gas in gas pipeline;
Step 3: utilize delivery roll that glass transmission is entered in process furnace, upper part heating system and lower part heating system heat glass simultaneously, and glass heats is arrived to required temperature.
The present invention is owing to having taked technique scheme, and it has following beneficial effect:
The system and method that the present invention adopts can heat glass faster, compare and have the following advantages with traditional electric stove wire heating: effciency of energy transfer every gas pipeline side by side high and Lower Half heating system is all independent control, when when heating compared with the glass of small pieces, can close a part of gas pipeline, thus more energy-conservation; Heating temperature and heating region are easier to control; Heat-processed is stable, has homogeneous heating effect; Can carry out high-power heating, and be afraid of heating unit, not be burned; Continuous working period is long, and heating unit has the ability working long hours; Lower Half heating system adopts warm air beating, serves as the effect of air cushion transmission in glass transmitting procedure, makes glass its surface in transmitting procedure be difficult for producing and scratches defect; Device structure is simple, and equipment maintainability is good.The present invention simultaneously can enhance productivity largely, reduces production costs.
Accompanying drawing explanation
Fig. 1 is the structural representation of system of the present invention;
Fig. 2 is a kind of structural representation of the radio-frequency induction coil described in the present invention;
Fig. 3 is the vertical view of Lower Half heating system of the present invention;
In figure: 1, radio-frequency induction coil group; 2, thermal baffle; 3, magnetically permeable material plate; 4, glass; 5, delivery roll; 6, nozzle; 7, gas pipeline; 8, gas flow.
Embodiment
Below in conjunction with accompanying drawing, content of the present invention is described further.
Of the present invention a kind of system for vehicle glass is heated as shown in Figure 1, comprises delivery roll 5, upper part heating system and lower part heating system for transmission glass, it is characterized in that:
Upper part heating system comprises
Magnetically permeable material plate 3, is arranged near needing heated glass 4 tops, for glass 4 is heated to temperature required;
Radio-frequency induction coil group 1, is arranged on the top of the magnetically permeable material plate 3 of glass 4 tops, for magnetically permeable material plate 3 is heated to temperature required;
Thermal baffle 2, is arranged between the radio-frequency induction coil group 1 and magnetically permeable material plate 3 of glass 4 tops, and the heat producing for isolated magnetically permeable material plate 3 transmits to radio-frequency induction coil group 1;
Lower part heating system comprises the many gas pipelines 7 with a plurality of nozzles 6, and described gas pipeline 7 is arranged side by side in the below of delivery roll 5, and every gas pipeline 7 is provided with the independent valve switch of controlling separately.
Meanwhile, a kind of structural representation of the radio-frequency induction coil 1 described in the present invention as shown in Figure 2, figure medium-high frequency ruhmkorff coil group 1 be rectangular disk around structure, but be not limited to this, it can be also square, circular or oval etc. coiling structure.Described radio-frequency induction coil group 1 is comprised of a plurality of sub-modules that can independently control, the module that described sub-module forms at least one ruhmkorff coil, be convenient to that so different hot spots on glass is carried out to meticulous temperature and control, be convenient to the complex-curved heating of glass heats moulding.
Further, the energy range of frequency of described radio-frequency induction coil group 1 transmitting is 1kHz to 3500kHz, described thermal baffle 2 at least can bear the high temperature of 1000 ℃, and described magnetically permeable material plate 3 is made by metal or alloy material, and described magnetically permeable material plate 3 at least can bear the high temperature of 800 ℃.
The gas passing in described gas pipeline 7 is warm air or the warm air that contains certain proportion steam, and described gas pipeline 7 at least can bear the high temperature of 900 ℃.
Meanwhile, the present invention also provides a kind of method that said system heats vehicle glass of applying, and comprises the steps:
Step 1: to the energising of upper part heating system, make 1 pair of magnetically permeable material plate of radio-frequency induction coil group 3 carry out induction heating;
Step 2: in lower part heating system, open gas pipeline valve, pass into heated gas in gas pipeline 7;
Step 3: utilize delivery roll 5 that glass 4 transmission are entered in process furnace, upper part heating system and lower part heating system heat glass 4 simultaneously, and glass 4 is heated to required temperature.
Further, the energy range of frequency of described radio-frequency induction coil group 1 transmitting is 1kHz to 3500kHz, and the temperature of described heated gas is 500 ℃ to 900 ℃.
The vertical view of Lower Half heating system of the present invention as shown in Figure 3, gas pipeline 7 and nozzle 6 are positioned at the below of delivery roll 5.
Below for example to adopting system and method for the present invention and the time that adopts traditional heating stove silk to heat glass to contrast:
Embodiment 1
Adopt system and method for the present invention: to radio-frequency induction coil group 1 energising in heating system of the present invention, make 1 transmitting of radio-frequency induction coil group there is the energy that frequency is 300kHz, make it to magnetically permeable material plate 3, carry out induction heating; With this, open the valve switch of gas pipeline 7 simultaneously, in gas pipeline 7, pass into dry warm air, the temperature of warm air is 800 ℃; After magnetically permeable material plate 3 is heated to certain temperature and warm air and passes in stove, utilize the float transparent glass 4 that delivery roll 5 is 4.0mm by a slice thickness with certain transmission speed, its transmission to be entered in process furnace, now magnetically permeable material plate 3 transfers heat to glass 4 by the radiation of self, warm air also passes to glass 4 by self-contained heat, when glass 4 is heated to mold temperature, be 100 seconds required heat-up time.
Adopt traditional process furnace silk: by the heating of switching on of the stove silk in traditional heating stove, when stove is heated to after certain temperature, utilize the float transparent glass that delivery roll is 4.0mm by a slice thickness with certain transmission speed, its transmission to be entered in process furnace, with the stove silk in this while process furnace, transfer heat to glass, when glass is heated to mold temperature, be 120 seconds required heat-up time.
Embodiment 2
Adopt system and method for the present invention: to radio-frequency induction coil group 1 energising in heating system of the present invention, make 1 transmitting of radio-frequency induction coil group there is the energy that frequency is 300kHz, make it to magnetically permeable material plate 3, carry out induction heating; With this, open the valve switch of gas pipeline 7 simultaneously, in gas pipeline 7, pass into the warm air that contains 5wt% steam, the temperature of this warm air is 800 ℃; After magnetically permeable material plate 3 is heated to certain temperature and warm air and passes in stove, utilize the float transparent glass 4 that delivery roll 5 is 4.0mm by a slice thickness with certain transmission speed, its transmission to be entered in process furnace, now magnetically permeable material plate 3 transfers heat to glass 4 by the radiation of self, warm air containing 5wt% steam also passes to glass 4 by self-contained heat, when glass 4 is heated to mold temperature, be 98 seconds required heat-up time.
Adopt traditional process furnace silk: by the heating of switching on of the stove silk in traditional heating stove, when stove is heated to after certain temperature, utilize the float transparent glass that delivery roll is 4.0mm by a slice thickness with certain transmission speed, its transmission to be entered in process furnace, with the stove silk in this while process furnace, transfer heat to glass, when glass is heated to mold temperature, be 120 seconds required heat-up time.
From above embodiment 1 and embodiment 2 explanations, adopt heating system of the present invention than higher with the thermo-efficiency of traditional burner silk heating, can enhance productivity.
Above content is to a kind of system for vehicle glass is heated of the present invention; and the method for applying this system all specifically describes; but the present invention is not subject to the limitation of embodiment content described above; so any improvement, equivalent modifications and replacement etc. that all foundations technical essential of the present invention is carried out, all belong to the scope of protection of the invention.
Claims (7)
1. the system for vehicle glass is heated, comprises delivery roll, upper part heating system and lower part heating system for transmission glass, it is characterized in that:
Upper part heating system comprises
Magnetically permeable material plate, is arranged near needing heated glass top, for glass heats is arrived temperature required;
Radio-frequency induction coil group, be arranged on the top of the magnetically permeable material plate of glass top, temperature required for magnetically permeable material plate is heated to, described radio-frequency induction coil group is comprised of a plurality of sub-modules that can independently control, the module that described sub-module forms at least one ruhmkorff coil;
Thermal baffle, is arranged between the radio-frequency induction coil group and magnetically permeable material plate of glass top, and the heat producing for isolated magnetically permeable material plate is to the transmission of radio-frequency induction coil group;
Lower part heating system comprises the many gas pipelines with a plurality of nozzles, and described gas pipeline is arranged side by side the below in delivery roll, and every gas pipeline is provided with the independent valve switch of controlling separately.
2. system according to claim 1, is characterized in that: the gas passing in gas pipeline is warm air or the warm air that contains certain proportion steam.
3. system according to claim 1, is characterized in that: the energy range of frequency of described radio-frequency induction coil group transmitting is 1kHz to 3500kHz.
4. system according to claim 1, is characterized in that: described thermal baffle at least can bear the high temperature of 1000 ℃.
5. system according to claim 1, is characterized in that: described magnetically permeable material plate at least can bear the high temperature of 800 ℃.
6. system according to claim 1, is characterized in that: described gas pipeline at least can bear the high temperature of 900 ℃.
7. the method that the system described in application rights requirement 1-6 any one heats vehicle glass, comprises the steps:
Step 1: to the energising of upper part heating system, make radio-frequency induction coil group carry out induction heating to magnetically permeable material plate, the energy range of frequency of described radio-frequency induction coil group transmitting is 1kHz to 3500kHz;
Step 2: in lower part heating system, open gas pipeline valve, pass into heated gas in gas pipeline, the temperature of described heated gas is 500 ℃ to 900 ℃;
Step 3: utilize delivery roll that glass transmission is entered in process furnace, upper part heating system and lower part heating system heat glass simultaneously, and glass heats is arrived to required temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097081.2A CN102617027B (en) | 2012-04-05 | 2012-04-05 | System and method for heating automobile glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097081.2A CN102617027B (en) | 2012-04-05 | 2012-04-05 | System and method for heating automobile glass |
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| Publication Number | Publication Date |
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| CN102617027A CN102617027A (en) | 2012-08-01 |
| CN102617027B true CN102617027B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210097081.2A Active CN102617027B (en) | 2012-04-05 | 2012-04-05 | System and method for heating automobile glass |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623134A (en) * | 2017-03-20 | 2018-10-09 | 蓝思科技（长沙）有限公司 | Novel hot-bending machine and glass bending production line |
| CN113442415B (en) * | 2021-07-07 | 2023-04-07 | 成都巨峰玻璃有限公司 | Automatic forming method for large windshield |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201495170U (en) * | 2009-06-26 | 2010-06-02 | 刘廷振 | High-pressure air convection circulating heating device |
| CN201523465U (en) * | 2009-11-20 | 2010-07-07 | 攀钢集团攀枝花钢铁研究院有限公司 | High frequency induction heating device |
| CN202022847U (en) * | 2011-05-06 | 2011-11-02 | 洛阳兰迪玻璃机器有限公司 | Glass toughening double-chamber furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008020097A (en) * | 2006-07-11 | 2008-01-31 | Kobe Steel Ltd | Fluid heating device and fluid treatment device using the same |
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- 2012-04-05 CN CN201210097081.2A patent/CN102617027B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201495170U (en) * | 2009-06-26 | 2010-06-02 | 刘廷振 | High-pressure air convection circulating heating device |
| CN201523465U (en) * | 2009-11-20 | 2010-07-07 | 攀钢集团攀枝花钢铁研究院有限公司 | High frequency induction heating device |
| CN202022847U (en) * | 2011-05-06 | 2011-11-02 | 洛阳兰迪玻璃机器有限公司 | Glass toughening double-chamber furnace |
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| CN102617027A (en) | 2012-08-01 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120801 Assignee: Foochow Fu Yao mould Science and Technology Ltd. Assignor: Fuyao Glass Industry Group Co., Ltd. Contract record no.: 2015350000056 Denomination of invention: System and method for heating automobile glass Granted publication date: 20140326 License type: Exclusive License Record date: 20150626 |
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Effective date of registration: 20170510 Address after: 350108, Fuzhou County, Fujian City, Minhou Province town science and Technology East Road, Fuzhou hi tech Zone Haixi Park Venture Building Patentee after: Foochow Fu Yao mould Science and Technology Ltd. Address before: Acer Road, Fuqing city Fuzhou City, Fujian Province town 350301 Fuyao Industrial Zone II Patentee before: Fuyao Glass Industry Group Co., Ltd. |
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| TR01 | Transfer of patent right |