WO2001016045A1 - The method for manufacturing vacuum glazing and its application mechanical system - Google Patents
The method for manufacturing vacuum glazing and its application mechanical system Download PDFInfo
- Publication number
- WO2001016045A1 WO2001016045A1 PCT/CN1999/000129 CN9900129W WO0116045A1 WO 2001016045 A1 WO2001016045 A1 WO 2001016045A1 CN 9900129 W CN9900129 W CN 9900129W WO 0116045 A1 WO0116045 A1 WO 0116045A1
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- WO
- WIPO (PCT)
- Prior art keywords
- vacuum
- glass
- sealing
- cavity
- vacuum glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/6612—Evacuated glazing units
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
- E06B3/6775—Evacuating or filling the gap during assembly
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/249—Glazing, e.g. vacuum glazing
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/22—Glazing, e.g. vaccum glazing
Definitions
- the present invention relates to a method for manufacturing a vacuum glass and a device for manufacturing a vacuum glass. Background technique
- Vacuum glass is a kind of thermal insulation material, which is often used in the construction field, for example, it is used as doors, windows, and so on.
- FIG. 1 A typical vacuum glass structure is shown in Figure 1.
- the number 101 indicates two glasses
- 102 indicates a support
- 103 indicates a low-melting glass sealing layer
- 104 indicates a suction port
- the space between the two glasses is in a vacuum state.
- the vacuum glass is vacuum-processed using the traditional process, similar to the production process of vacuum flasks, etc.
- the suction port of each vacuum glass is connected to the vacuum system through the suction pipe.
- Figure 2A The long glass suction port 106 on the vacuum glass directly extends to the outside of the oven 105 and is connected to the vacuum system 107. After baking and vacuuming, the glass tube is blown to seal.
- FIG. 2B Another method is shown in FIG. 2B.
- a cup-shaped device 109 with a sealing ring 108 is buckled on the suction port of the vacuum glass, and connected to the vacuum system 107 through a metal tube.
- the heating coil 1 10 installed in the vacuum cup is heated to make the glass suction port melt and seal.
- the present invention also provides a vacuum glass manufacturing apparatus for manufacturing vacuum glass with high efficiency and energy saving.
- a method for manufacturing a vacuum glass including the following steps:
- Vacuum glass original plate placing step placing two glasses opposite to each other with a space therebetween, and placing a plurality of supports between the two glasses to maintain the space, wherein at least one glass has an air exhaust port, and the air exhaust port Communicate with the internal space formed by the two glasses;
- Edge-sealing step sealing the periphery of the vacuum glass original plate so that the vacuum glass original plate forms a completely closed periphery;
- Another aspect of the present invention provides a method for manufacturing a vacuum glass, including the following steps:
- Vacuum glass original plate placing step Place two glasses facing each other at intervals, and place a plurality of supports between the two glasses to maintain the interval, and place sealing glass powder for edge sealing at the edge of the interval 7. At least one of the glass original plates has an air suction port, and a glass tube for sealing and glass powder are placed on the air suction port;
- Heating and edge-sealing step including heating the placed vacuum glass original plate to the melting temperature of the sealing glass powder for edge-sealing, so that the vacuum glass original plate forms a completely sealed periphery; Empty glass original plate forms a closed perimeter;
- sealing step sealing the suction port on the vacuum glass original plate which has been evacuated by heating and melting the glass tube;
- Cooling step The sealed original glass plate is cooled, thereby obtaining a vacuum glass having a desired vacuum degree.
- a vacuum glass manufacturing device including: an air-tight cavity, which is suitable for accommodating a plurality of vacuum glass original plates, each vacuum glass original plate includes two glass placed opposite to each other, There is a space between the two glasses, and a plurality of supports are placed in the space to maintain the space between the two glasses. At least one of the glasses has an opening. The opening communicates with the space formed between the two glasses. For pumping air
- a heating part which can be controlled to increase or decrease the temperature of the cavity
- a mouthpiece which is suitable for heating and sealing the opening of each vacuum glass original plate when the space formed between the two glasses reaches a predetermined vacuum degree
- a control device that can control the operation of the heating part and the vacuum system, so that the cavity can be at least the following stages:
- the evacuation stage At this stage, the cavity is at a temperature that can fully exhaust the vacuum glass original plate, and the space formed between the two glasses reaches a predetermined vacuum degree.
- a vacuum glass manufacturing device for manufacturing vacuum glass from a vacuum glass original plate.
- the vacuum glass original plate includes two glasses placed opposite to each other with a space between the two glasses.
- the device includes: A first cavity, where the first cavity can reach a first temperature, at which the edge temperature is suitable for the edge sealing operation of the vacuum glass original plate;
- a second cavity the second cavity can reach a second temperature and a first vacuum degree, the second temperature is lower than the first temperature, at which the second temperature is suitable for the decomposition of glass adsorption,
- the first degree of vacuum is suitable for preliminary exhaustion of the original vacuum glass plate;
- a third cavity, the third cavity can reach a third temperature and a second vacuum degree, and the second vacuum degree is higher than the first vacuum degree; the third temperature and the second vacuum degree are suitable So that the adsorbed material of the vacuum glass original plate can be desorbed and discharged, and the space between the two original plates is maintained at a predetermined vacuum after the other openings are sealed;
- the third cavity further includes a mouthpiece, which is adapted to heat-seal the opening of the vacuum glass original plate;
- the first cavity, the second cavity, and the third cavity are connected by a vacuum valve, so that the second and third cavities maintain their vacuum.
- the invention also provides a vacuum glass manufacturing device, which includes:
- the vacuum glass original plate conveying part is used for conveying the vacuum glass original plate
- sealing part used for sealing the air suction port on the vacuum glass original plate
- Cooling part It is used for cooling the sealed glass plate, thereby obtaining a vacuum glass having a desired degree of vacuum.
- the invention also provides a vacuum glass manufacturing device, which includes:
- a heating part which can be controlled to increase or decrease the temperature of the cavity
- a carrying device is suitable for accommodating a plurality of original vacuum glass plates.
- Each original vacuum glass plate includes two glasses placed opposite to each other with a space between the two glasses.
- a plurality of supports are placed in the space to maintain two Space between pieces of glass, at least one of which has an opening Mouth, the space formed between the rising mouth and the two glasses of glass is in communication, and is used for pumping air;
- a mouthpiece which is suitable for heating and sealing the opening of each vacuum glass original plate when the space formed between the two glasses reaches a predetermined vacuum degree
- a control device that can control the operation of the heating part and the vacuum system; wherein the carrying device includes a barrier surrounding the installed vacuum glass original plate, and the carrying device can be pushed into the cavity and Removed from the cavity, the barrier can be controlled in a first open state and a second closed state.
- the first open state the original vacuum glass plate communicates with the cavity to facilitate heating and Vacuuming
- the second closed state the vacuum glass original plate is shielded and insulated.
- Another aspect of the present invention provides a method for manufacturing vacuum glass, including the following steps: placing at least one vacuum glass original plate on a carrying device, wherein each vacuum glass original plate includes two glasses placed opposite to each other, and There is a gap in the gap. Multiple supports are placed in the gap to maintain the gap between the two glasses. At least one of the glasses has a liter opening. The opening communicates with the space formed between the two glasses and is used for pumping.
- the carrier device includes a barrier, and the vacuum glass original plate is surrounded by the barrier; a sealing glass is provided on the periphery of each vacuum glass original plate;
- the carrier is placed in a cavity, so that the barrier is in a first open state; the cavity is heated up to the temperature at which the sealing glass is melted, and then gradually cooled, so that the vacuum glass is sealed by the sealing glass Peripheral seal of the original plate;
- the barrier is placed in a second closed state, and the carrier is removed from the cavity as a whole.
- Figure 1 is a schematic diagram of a typical vacuum glass crust
- 3A and 3B show two basic principles of the manufacturing method of the present invention
- 4 is a schematic diagram showing a process flow of a method for manufacturing a multi-block vacuum glass and a device for manufacturing a vacuum glass original plate according to a preferred embodiment of the present invention, the device having a plurality of continuous chambers;
- FIG. 5 is a schematic diagram showing a process flow of a monolithic vacuum glass manufacturing method and a device for manufacturing a vacuum glass original plate according to another preferred embodiment of the present invention, the device having a plurality of continuous chambers;
- 6 ⁇ and 6B respectively show two methods of manufacturing the multi-block vacuum glass manufacturing method and manufacturing device of the present invention, which use an independent chamber;
- the original vacuum glass plate 10 includes two glass la, lb placed opposite each other. There is a space between the two glass la, lb, and a plurality of supports 2 are placed in the space to maintain the space between the two glasses, at least A piece of glass la has an opening, and the opening communicates with the space formed between the two pieces of glass for air extraction.
- the riser is located near the perimeter or corner of the glass.
- the opening may be plural.
- the glass used to make the vacuum glass may be a commonly used glass, for example, float glass, glass-coated glass, coated glass, stained glass, and the like.
- the support may be a commonly used support, for example, a support prepared from materials such as metal, ceramic, and alloy.
- the placed vacuum glass original plate 10 is placed in a sealable chamber such as a vacuum chamber 5 with a volume sufficient to accommodate the entire vacuum glass original plate.
- the vacuum chamber 5 is connected to the vacuum extraction system 7 through a large-diameter pipe 6. You can make the chamber reach the required vacuum when needed. For this reason, firstly, the periphery of the vacuum glass original plate needs to be sealed to form a completely sealed periphery.
- sealing glass 3 can be used, such as sealing glass strips and glass frit.
- the periphery of the vacuum glass original plate 10 is sealed by using a sealing glass in a molten state, or by melting the sealing glass 3 by heating.
- the vacuum glass is heated by heating
- the glass original plate 10 melts the sealing glass 3 placed around the vacuum glass original plate 10 in advance, and then cools down to solidify the sealing glass to seal the periphery of the vacuum glass original plate.
- the heating temperature is the melting temperature of the sealing glass or higher. Because different sealing glasses have different melting temperatures, the heating temperature is usually about 350 ° C-550 ° C.
- the vacuum glass original plate can be heated by electric heating or hot air heating means.
- sealing glass conventional sealing glass can be used, and it is available on the market.
- the preferred sealing glass of the present invention is glass frit for sealing. There are many types of glass frit, preferably glass 3 ⁇ 4 v whose expansion coefficient matches that of the original vacuum glass plate.
- the vacuum degree of the interior space of the vacuum glass original plate is changed by changing the vacuum degree of the vacuum chamber in which the vacuum glass original plate is located.
- the vacuum glass original plate 10 is placed in the vacuum chamber 5 as a whole, the air in the interior space of the vacuum glass original plate 10 and the air in the vacuum chamber can circulate each other due to the existence of the suction port on the glass. Therefore, when the vacuum degree of the vacuum chamber is increased, the vacuum degree of the internal space of the vacuum glass original plate 10 is correspondingly increased.
- the vacuum evacuation step of the present invention may be performed when the vacuum glass original plate 10 is at room temperature or it may be performed at high temperature.
- the vacuum glass substrate is preferably heated at a high temperature, such as 150 ° C or more and below the melting point temperature of the sealing glass used, and more preferably when the temperature of the original vacuum glass plate is about 300 ° C to the melting point of the sealing glass used. Vacuum is applied at all times. Evacuating at high temperature helps the moisture absorbed on the inner surfaces of the two glasses to be fully discharged from the interior space of the vacuum glass original plate.
- the temperature at which the vacuum glass original plate can desorb substances such as adsorbed water is also referred to as exhaust temperature.
- the sealing step is started, i.e., the original glass plate vacuum suction port is sealed to prepare Vacuum glass with the required degree of vacuum in the internal space-sealing can be performed using commonly used sealing methods.
- the sealing step is achieved by heating and melting the glass tube 4 on the suction port.
- One end of the glass tube 4 is connected to the air suction port, and the other end is connected to the outside, for example, it can protrude from the outer surface of the glass. The shorter the part of the glass tube protruding from the outer surface of the glass, the better.
- Heating can be performed using, for example, an electric heating device, or an infrared or laser ray device as shown in ⁇ 3A, which is placed on the exhaust port 4 in advance
- the heating line shown in Figure 9 is heated by electricity, the glass suction port is melted and sealed, and qualified vacuum glass is made.
- Figure 3B is basically the same as Figure 3A, except that an infrared or laser ray-transmissive material is opened on the vacuum chamber 5, such as a quartz glass window 9 '.
- an external infrared spotlight or laser 9 is used for heating
- the suction pipe 4 located at the suction port also achieves the purpose of sealing.
- the suction pipe can also be directly heated by an infrared spotlight or a laser (not shown) in the vacuum chamber 5 to achieve the purpose of sealing.
- the glass tube used may be an ordinary glass tube or an infrared absorbing glass tube, preferably an infrared absorbing glass tube.
- the above-mentioned one end of the glass tube 4 can be connected to the exhaust port in various ways.
- the glass tube 4 is placed on the air suction port, and a sealing glass is provided at a position where the glass pipe 4 is connected to the air suction port, for example, a sealing glass ring that is pressed in advance, and then the glass tube and the glass pipe are heated and melted.
- the suction port is connected. This heating and melting step is preferably performed simultaneously with the step of sealing the periphery of the vacuum glass original plate 10.
- Cooling can be natural cooling, or it can be achieved by providing water cooling or direct air cooling.
- the present invention adopts the method of putting the entire vacuum glass original plate into a vacuum chamber for evacuation, multiple vacuum glass original plates can be placed in the same vacuum chamber and evacuated at the same time. According to the method of the present invention, multiple pieces of vacuum glass can be produced at one time, that is, multiple pieces of vacuum glass original plates are edge-sealed, evacuated, and sealed at the same time.
- FIG. 4 An embodiment of the present invention is shown in FIG. 4.
- a plurality of vacuum glass original plates are placed at a distance from each other, and the steps of edge-sealing, vacuuming, and sealing are performed at the same time to produce a plurality of vacuum glass at one time.
- the production of vacuum glass can be performed in one chamber, or in multiple chambers, as shown in Figs. 4, 5, and 6, respectively.
- the vacuum glass manufacturing method of the present invention has the advantages that: ⁇ ) eliminates the exhaust pipe (including glass thin tube and metal bellows) connected to each vacuum glass, so that the vacuum The vacuum system is directly matched with the vacuum chamber, and the entire vacuum glass original plate is evacuated together with the vacuum chamber in a closed vacuum chamber, which greatly improves the vacuum speed and efficiency, and simplifies the operating procedure, which is convenient for industrial production; (2 ) Eliminate the vacuum
- the sealing ring necessary for the cup method the heating temperature is not limited, and the baking temperature can be increased to above 300 ° C, so that the vacuum degree of the vacuum glass is higher and more stable; (3) Since there is no need to leave an adsorption area for the sealing ring, The suction port can be made at the corners of the vacuum glass to make the finished vacuum glass product more beautiful; (4)
- the temperature is reduced and the sealing is performed after the furnace is released. Instead, the residual temperature
- a vacuum glass manufacturing device system which includes: a vacuum glass original plate conveying section 30, which may be, for example, a carriage 1 1, a continuous or stepwise roller or imperial conveyor 35, It is used to transport the original vacuum glass plate; heating edge sealing part 31: There are heating means (components), such as commonly used electric heating or gas heating devices, for heating the placed vacuum glass original plate to the sealing glass for edge sealing Powder melting temperature; Evacuation part 32: There are vacuum extraction methods. For example, commonly used air pumps and pipes can be used in a closed vacuum chamber to extract the entire sealed glass original plate together with the vacuum chamber.
- Sealing element 9 For example, it can be a sealing coil or infrared and laser devices commonly used in the field of vacuum glass, used to seal the exhaust port on the vacuum glass original plate;
- Cooling section 33 For example, A common gas cooling and water cooling device is used to cool the sealed glass plate, thereby obtaining a vacuum glass having a required vacuum degree. Glass.
- the sealing member 9 is a sealing coil fixed in advance on the glass suction port 4, and is heated by applying electricity (such as AC, DC, or high frequency) to the glass.
- the suction port is sealed. It can also be an infrared or laser ray-transparent window 9 'located on the vacuum chamber 13 and an infrared or laser heating device 9 "located outside the vacuum chamber.
- the exhaust port' 4 can be heated by using it to thereby make the glass
- the suction port is sealed; or the infrared light or laser heating device located in the vacuum chamber 1 3 is used to seal the glass suction port by adding the suction port.
- the conveying part 30 is a bracket 11 for stacking and conveying at least two original vacuum glass plates in layers, thereby forming multiple pieces at a time. -1 o-Vacuum glass plate.
- the conveying part 30 may also be a roller or emperor conveying emperor 35 which is continuously moved or stepped as shown in FIG. 5.
- the apparatus shown in FIG. 5 is used to transport one vacuum glass original plate at a time and form one vacuum glass plate at a time.
- the heated edge-sealing portion 31 and the vacuum-evacuated portion 32 and / or between the vacuum-evacuated portion 32 and the cooling portion 33 there are further provided between the heated edge-sealing portion 31 and the vacuum-evacuated portion 32 and / or between the vacuum-evacuated portion 32 and the cooling portion 33.
- the first buffer chamber 15 and the second buffer chamber 16 are used to adjust the vacuum degree and temperature, respectively, to pre-evacuate the glass plate and / or adjust the temperature from the edge-sealing temperature to the vacuum temperature and to make the sealed vacuum glass plate low. Vacuum chamber and / or temperature adjustment to enter the cooling chamber.
- a preheating section is provided before the heated edge sealing section 31 to preheat the placed vacuum glass original plate.
- the vacuum glass manufacturing apparatus further includes a temperature measuring means and / or a vacuum measuring means.
- the sections 31, 32, and 33 refer to a plurality of chambers connected in series, as shown in FIGS. 4 and 5, for example.
- sections 31, 32, and 33 are all located in one chamber, for example, as shown in Figs. 6A and 6B.
- a vacuum glass original plate includes two glasses and a support 2 placed therebetween, and glass frit for edge sealing is placed on the edge of the vacuum glass original plate.
- the glass powder for sealing and the glass tube 4 for sealing and their fixtures are placed at the suction port. Fix the sealing coil 9 at the suction port 4 of the glass plate in advance, and connect the power supply.
- the bracket first enters the heating chamber (first cavity) 12, and the temperature is raised to the melting temperature of the glass frit for edge sealing, about 300-550 ° C, and then the temperature is lowered to solidify the edge frit with glass powder to complete the edge seal.
- the bracket 1 1 passes through the optional first buffer chamber (second cavity) 15 and enters the vacuum chamber (third cavity) 1 3.
- the temperature of the original vacuum glass plate is about 300 ° C, the glass frit for edge sealing is melted.
- the vacuum is, when the degree of vacuum reached 10- 10- 'Pa, preferably to reach 10- 2 - 10 - 1 Pa inch' closure device power is turned on (AC, DC or high frequency) was sealed thereafter
- the bracket 11 can enter the cooling furnace (fifth cavity) 1 1 through the optional second buffer chamber (fourth cavity) 16 for cooling, and then come out of the furnace.
- the functions of the first and second buffer chambers 1 5 and 16 here are to adjust the vacuum and Temperature, respectively, to make the glass plate pre-evacuate and / or adjust the temperature from the edge sealing temperature to the evacuation temperature and seal the vacuum glass plate into the low vacuum chamber and / or adjust the temperature from the evacuation temperature to the temperature of entering the cooling chamber.
- These two buffer chambers can be omitted.
- Fig. 5 is a manufacturing scheme of a monolithic vacuum glass. It differs from the previous solution only in that only one vacuum glass plate is formed at a time. Similar to Figure 4, put the vacuum glass original plate 10 into the heating chamber 12 to seal the edge, and then enter the flat vacuum chamber 13 to evacuate. At this time, the infrared spotlight or laser rays 9 "outside or inside the vacuum can be used for sealing. Alternatively, the sealing coil 9 fixed in the vacuum chamber can be used to energize and seal, and then enter the cooling chamber 14 to cool out of the furnace. Since the sealing coil does not need to be fixed on the vacuum glass, this solution obviously can bring many conveniences. In this embodiment It is also possible to use the first and second buffer chambers 15 and 16 as described above.
- a preheating chamber is preferably provided before the heating chamber 12, so that the loaded vacuum glass original plate 10 is preheated before entering the heating chamber 12.
- FIG. 6A and 6B schematically show an apparatus for manufacturing a vacuum glass using a separate cavity according to a preferred embodiment of the present invention.
- the biggest difference between this embodiment and the previous two solutions is that the above-mentioned main steps such as heating, evacuation, and cooling are all completed in a single chamber, and it does not need to use multiple continuous chambers.
- a plurality of placed vacuum glass original plates 10 are layered on a carrying device, such as a bracket 11, and then placed in a vacuum chamber 5.
- the vacuum chamber 5 is equipped with a heater 8, a heat insulation layer 29, a temperature measuring device 27, and a vacuum degree measuring device 28.
- the heater 8 is used to heat the vacuum chamber 5 to the melting temperature of the glass frit for edge banding, about 300-550 ° C, and then the temperature is lowered to solidify the edge frit with glass powder to complete the edge seal.
- vacuum evacuation means when the degree of vacuum reached 10- l O- iPa, preferably to reach 10- 2 - 10 - 1 Pa inch,
- the sealing machine ⁇ is started to perform sealing, and after the sealing is completed, the vacuum chamber 5 is cooled and then comes out of the furnace.
- the difference from FIG. 6A is that in FIG.
- the original heater 8 is a cold and heat adjustable fan 8, that is, the hot air heating method is used at this time, and the cold air can be used for cooling at the same time.
- Heater 8 in ⁇ 6A can also be replaced by a hot and cold adjustable fan.
- the sealing machine can be an infrared lamp, a laser or a heating coil.
- the carrier 1 1 may further be provided with a barrier 1 ⁇ with a switchable ventilation window, which plays a role of heat insulation.
- the finished vacuum glass can be pulled out of the cavity at a high temperature and protected by a closed barrier to reduce cooling.
- Another semi-finished product carrying device can enter the cavity when the cavity is at a high temperature, which improves the work efficiency and reduces the energy consumption.
- a pre-heating step can also be set before the heating step, so as to pre-heat the vacuum glass plate, for example, the waste heat of the cooling process can be used for pre-heating.
- This vacuum glass manufacturing device is used to manufacture vacuum glass from a vacuum glass original plate 10, which includes two glass glass la placed oppositely, lb-there is a space between the two glasses, and a plurality of supports are placed in the space 2. It is used to maintain a gap between two glasses, and at least one of the glasses has an opening, and the opening communicates with a space formed between the two glasses for air extraction.
- the device includes:
- a first cavity 12, the first cavity 12 can reach a first temperature, for example, about 50 CTC, and is suitable for edge-sealing operation of the vacuum glass original plate at the first temperature;
- a second cavity 15, the second cavity 15 can reach a second temperature and a first vacuum degree, the second temperature is lower than the first temperature, for example, about 380 ° C, at which the second temperature is suitable
- the first degree of vacuum of glass adsorption is decomposed and absorbed, and the vacuum glass original plate is initially exhausted, for example, 10 Pa; the second cavity 15 plays a buffering role with respect to temperature and vacuum degree of the third cavity described below ;
- a third cavity 13, the third cavity 13 can reach a third temperature and a second vacuum degree, the second vacuum degree is higher than the first vacuum degree; the third temperature and the second vacuum The degree is suitable so that the adsorbed material of the vacuum glass original plate can be desorbed and discharged, and the space between the two original plates is maintained at a predetermined vacuum degree after the opening is sealed; the second vacuum degree is, for example, 10 10 Pa, better is to reach 1 ( ⁇ 2 - 10- 1 Pa .
- the third cavity 13 further includes a mouthpiece 9 which is suitable for heating and sealing the opening of the vacuum glass original plate;
- the mouthpiece may be an infrared lamp or a laser, or a heating coil;
- a vacuum valve is connected between the first cavity 12, the second cavity 15, and the third cavity 1 3. 3, so that the second and third cavities maintain their vacuum.
- a fourth cavity 16 connected to the third cavity 13 by a vacuum valve is further included.
- the fourth cavity 16 can reach a third vacuum degree and a fourth temperature.
- the third vacuum degree Below the second degree of vacuum, the fourth temperature is lower than the third temperature.
- the second degree of vacuum is, for example, 10-Pa.
- the fifth cavity M further includes a fifth cavity 14 connected to the fourth cavity 16 by a vacuum valve.
- the fifth cavity M has a fifth temperature and a normal pressure, and the fifth temperature is lower than the first temperature. Four temperatures, and the temperature of the fifth cavity can be reduced with a predetermined gradient.
- a pre-heating cavity may be further included before the first cavity 12 for pre-heating the vacuum glass original plate 10.
- the above-mentioned edge-sealing step, evacuation step, and sealing step are performed in a temperature range of 200 to 550 C, and more preferably in a temperature range of 300 to 510 ° C.
- One of the advantages of this method is that there is no need to reduce the temperature to a very low level after the edge-sealing step. This has the effect of saving energy and saving time. On the other hand, the original vacuum glass plate experiences less thermal shock, so the yield high.
- a preferred procedure for manufacturing vacuum glass in the preferred apparatus described above is as follows. First, at least one vacuum glass original plate is preheated in the preheating cavity to avoid excessive thermal shock when it enters the first cavity 12.
- the outer periphery of this vacuum glass original plate has been provided with sealing glass, and the suction port is provided with sealing glass and a sealing glass tube.
- the crusts then enter the first cavity 12 and are heated to the melting temperature of the sealing glass, so that the outer periphery of the vacuum glass original plate is sealed, and the glass tube used for sealing is also hermetically connected to the suction port.
- the obtained scab is then transported to the second cavity 15, where the temperature is appropriately reduced and the vacuum is initially evacuated: the obtained scab is then conveyed to the third cavity 13, and further exhausted in this cavity.
- the radon is transferred to the fifth cavity 1.1 for stepwise cooling.
- the cavity 1.1 is a normal-pressure environment, which facilitates controlled temperature reduction.
- a heating part 8 which can be controlled to increase or decrease the temperature of the cavity
- a carrying device 11 is suitable for accommodating a plurality of vacuum glass original plates, and each vacuum glass original plate 10 includes two glasses placed opposite to each other with a space between the two glasses, and a plurality of supports are placed in the space.
- each vacuum glass original plate 10 includes two glasses placed opposite to each other with a space between the two glasses, and a plurality of supports are placed in the space.
- at least one of the glasses has an opening, and the space formed between the rising opening and the two glasses is communicated with each other for air extraction;
- a mouthpiece ⁇ 9 is suitable for heating and sealing the opening of each vacuum glass original plate 10 when the space formed between the two glasses reaches a predetermined vacuum degree;
- a control device that can control the operation of the heating part and the vacuum system; wherein the carrying device 1 1 includes a barrier 1 1a surrounding a mounted vacuum glass original plate.
- the carrying device 1 1 can push The barrier 11a can be controlled to be in a first open state and a second closed state in and out of the cavity 5, and in the first opened state, the original vacuum glass plate 10 communicates with the cavity, so as to facilitate The vacuum glass original plate 10 is heated and evacuated. In the second closed state, the vacuum glass original plate is shielded and insulated.
- the barrier has a ventilation window that can be raised and lowered, such as a louvered or sliding blade crust.
- This barrier is in the first lifting state, it is easy to heat and evacuate, and the beam can be transmitted through the raised part, so the sealing operation can be realized by infrared or laser device.
- a method for manufacturing a vacuum glass according to a preferred embodiment of the present invention includes the following steps:
- At least one vacuum glass original plate is placed on a carrying device 5, wherein each vacuum glass original plate 10 includes two glasses placed opposite to each other with a space between the two glasses, and a plurality of supports are placed in the space for maintaining An interval between two glasses, at least one of which has an opening, and the opening communicates with the space formed between the two glasses for air extraction;
- the carrying device includes a barrier, and the vacuum glass is used by the barrier Original plate surround:
- a heating coil is further provided in this step;
- the carrier device 1 1 is placed in a cavity 5 so that the barrier 1 1 a is in a first open state; the cavity 5 is heated to the desired temperature.
- the melting temperature of the sealing glass is gradually lowered, so as to seal the periphery of the original vacuum glass plate with the sealing glass. If the glass tube 4 for sealing and the sealing glass around the glass tube are also provided as described above, the glass tube is at this step. Also connected at the open ⁇ position;
- the opening is sealed; the opening may be sealed by various methods described above;
- the barrier 1 1a is placed in the second closed position, and the carrier 1 1 is taken out of the cavity as a whole.
- the barrier 1 1a has first and second states, which facilitates controlling the cooling rate in the barrier after being removed from the high-temperature cavity.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN1999/000129 WO2001016045A1 (en) | 1999-08-27 | 1999-08-27 | The method for manufacturing vacuum glazing and its application mechanical system |
| AU54063/99A AU5406399A (en) | 1999-08-27 | 1999-08-27 | The method for manufacturing vacuum glazing and its application mechanical system |
| CNB998015539A CN1263698C (zh) | 1999-08-27 | 1999-08-27 | 真空玻璃的制造方法及其装置 |
| EP99939904A EP1216971A1 (en) | 1999-08-27 | 1999-08-27 | The method for manufacturing vacuum glazing and its application mechanical system |
| HK00107995.0A HK1035522B (zh) | 1999-08-27 | 真空玻璃的制造方法及其装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN1999/000129 WO2001016045A1 (en) | 1999-08-27 | 1999-08-27 | The method for manufacturing vacuum glazing and its application mechanical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001016045A1 true WO2001016045A1 (en) | 2001-03-08 |
Family
ID=4575139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN1999/000129 Ceased WO2001016045A1 (en) | 1999-08-27 | 1999-08-27 | The method for manufacturing vacuum glazing and its application mechanical system |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1216971A1 (zh) |
| CN (1) | CN1263698C (zh) |
| AU (1) | AU5406399A (zh) |
| WO (1) | WO2001016045A1 (zh) |
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| WO2003097065A1 (en) * | 2002-05-16 | 2003-11-27 | Medinnova As | 5-ht4 receptor antagonists for the treatment of heart failure |
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| CN111386253A (zh) * | 2018-06-29 | 2020-07-07 | 米雷克斯株式会社 | 双层真空玻璃制造方法及据此制造的双层真空玻璃 |
| CN112142343A (zh) * | 2020-10-20 | 2020-12-29 | 左宪楠 | 一种批量制造真空玻璃的装置及方法 |
| CN118164691A (zh) * | 2024-03-18 | 2024-06-11 | 江苏大煦朗宁新材料科技有限公司 | 玻璃真空封口设备及其在半导体用石英管生产中的应用 |
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- 1999-08-27 CN CNB998015539A patent/CN1263698C/zh not_active Expired - Lifetime
- 1999-08-27 AU AU54063/99A patent/AU5406399A/en not_active Abandoned
- 1999-08-27 EP EP99939904A patent/EP1216971A1/en not_active Withdrawn
- 1999-08-27 WO PCT/CN1999/000129 patent/WO2001016045A1/zh not_active Ceased
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003097065A1 (en) * | 2002-05-16 | 2003-11-27 | Medinnova As | 5-ht4 receptor antagonists for the treatment of heart failure |
| US8829028B2 (en) | 2002-05-16 | 2014-09-09 | Serodus As | 5-HT4 receptor antagonists for the treatment of heart failure |
| CN107915415A (zh) * | 2017-12-29 | 2018-04-17 | 左宪恤 | 连续式真空玻璃制备装置及制备方法 |
| CN111386253A (zh) * | 2018-06-29 | 2020-07-07 | 米雷克斯株式会社 | 双层真空玻璃制造方法及据此制造的双层真空玻璃 |
| CN111386253B (zh) * | 2018-06-29 | 2022-07-29 | 米雷克斯株式会社 | 双层真空玻璃制造方法及据此制造的双层真空玻璃 |
| CN111376549A (zh) * | 2019-11-04 | 2020-07-07 | 青岛锦绣前程节能玻璃有限公司 | 一种夹胶玻璃的连续式真空生产方法 |
| CN111376549B (zh) * | 2019-11-04 | 2022-08-02 | 青岛锦绣前程节能玻璃有限公司 | 一种夹胶玻璃的连续式真空生产方法 |
| CN112142343A (zh) * | 2020-10-20 | 2020-12-29 | 左宪楠 | 一种批量制造真空玻璃的装置及方法 |
| CN118164691A (zh) * | 2024-03-18 | 2024-06-11 | 江苏大煦朗宁新材料科技有限公司 | 玻璃真空封口设备及其在半导体用石英管生产中的应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1263698C (zh) | 2006-07-12 |
| AU5406399A (en) | 2001-03-26 |
| EP1216971A1 (en) | 2002-06-26 |
| HK1035522A1 (zh) | 2001-11-30 |
| CN1286670A (zh) | 2001-03-07 |
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