CN101276717A - Exhaustion bench for full-automatic glass vacuum system - Google Patents
Exhaustion bench for full-automatic glass vacuum system Download PDFInfo
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- CN101276717A CN101276717A CNA2008100670188A CN200810067018A CN101276717A CN 101276717 A CN101276717 A CN 101276717A CN A2008100670188 A CNA2008100670188 A CN A2008100670188A CN 200810067018 A CN200810067018 A CN 200810067018A CN 101276717 A CN101276717 A CN 101276717A
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Abstract
A full-automatic glass vacuum system exhausting table is disclosed, comprising a full glass vacuum pipeline, a glass target connected with a lamp to be exhausted, four electric control glass valves, a glass argon gas bottle and a photoelectric reading U-shaped glass pressure gauge. The vacuumization system is composed by a glass dispersing pump and a mechanical vacuum pump, and installed with an oven whose temperature is automatically controlled, an oven temperature preservation door and a control system for controlling the oven to automatic ascend and descend. The invention realize the automatization of the glass vacuum system by using above technical proposal. The full-automatic glass vacuum system exhausting table not only has good airproof performance and the advantage that preservation time of the glass vacuum system is far longer than that of common metal vacuum system, but also has low cost and convenient maintenance, thus completely eliminating the influence by human factors to the quality of products, reducing the waste product rate and enhancing production efficiency.
Description
Technical field
The present invention relates to the process units of light source, the key equipment-exhaust station during particularly light source is made.
Background technology
The production of electric light source, Ru Pupao, fluorescent lamp, compact fluorescent lamp and Halogen lamp LED or the like all be unable to do without exhaust station.Deairing step is the of paramount importance operation of decision electric light source quality.Exhaust station generally divides garden row's machine and two kinds in long row's machine, and garden row's machine generally all is full automatic, and long row's machine generally all is manual, and its quality of product that long row's machine is worked it out is subjected to artificial factor very big.Exhaustion bench for full-automatic glass vacuum system of the present invention is full automatic long row's machine, has got rid of artificial factor fully.
Deairing step is generally by bakeout degassing, and decomposition activation is washed argon, and several big steps such as argon filling are formed, and each big step is divided some little steps again.All be provided with twenty or thirty on the row's machine of various gardens and do not wait to six or seven ten stations, each station is only finished a specific step.After the lamp for the treatment of exhaust was plugged garden row's machine, the rotation successively of a station of a station till forwarding last station to, had just been finished each step of exhaust, then lamp was burnt and sealed.The present invention is then different, the lamp that we treat exhaust with twenty or thirty together burn-back to exhaustion bench for full-automatic glass vacuum system, simultaneously step 1 of this twenty or thirty lamp step ground is down carried out by controller, till to the last a step is finished, the lamp burning is sealed.
Garden row's machine complex structure, component of machine is many.Sealing-in between metal vacuum system and the lamp has to adopt rubber seal, and in the bakeout degassing stage, rubber seal must be through 300 ℃--400 ℃ high-temperature baking, quickened the aging of rubber seal, and reduced air-tightness.Mostly adopt flange disc to be connected between the vacuum component with rubber seal, seepage is comparatively serious, and the workbench of garden row's machine rotates, and relative motion is not only arranged between Moving plate and the quiet dish but also will keep very high air-tightness, for this reason, have to pay extra cost.So garden row's machine not only costs an arm and a leg, and reliability can not show a candle to the present invention.Garden row's machine is not only maintained very difficult, and the expense of maintenance is higher than the present invention far away.Exhaustion bench for full-automatic glass vacuum system has adopted automatically controlled glass valves, and photoelectricity is read U-shaped glass manometer and controller, has realized the automation of glass vacuum system.The omnidistance monitoring that realizes temperature and vacuum degree.Exhaustion bench for full-automatic glass vacuum system of the present invention is not only simple in structure, and is cheap, the reliability height, and the qualification rate height, the production efficiency height, and maintain very convenient.
Summary of the invention
The invention provides a kind of exhaustion bench for full-automatic glass vacuum system, the core of this exhaust station is the glass vacuum system that can control automatically, and glass vacuum system comprises the all-glass vacuum pipeline, connect and to treat that the glass rake of gas discharge lamp, four automatically controlled glass valves, glass argon bottle, photoelectricity read the U-shaped glass manometer.The connection of all these parts all is the glass burn-back, and air-tightness is fine.The direct burn-back of fluorescent tube is on the glass rake, avoid using metal grinding idol part and rubber sealing element in the whole system, solved that the metal automatic equipment involves great expense in the prior art, the seal non-refractory, changed frequent and the relatively poor problem of air-tightness, solved the technical problem that the all-glass vacuum system realizes automation.
The present invention is a kind of exhaustion bench for full-automatic glass vacuum system.The baking oven that its bakeout degassing is used adopts electric heating, and baking oven can move up and down automatically, during work, baking oven moves down into work top, contact with the table top thermal insulation board, the heating space that forms a sealing toasts the lamp that is deflated, and is not only energy-conservation but also temperature constant is even again.The work baking oven that finishes rises automatically, and the baking oven thermal insulating door thermally insulated door closes immediately automatically, prevents that heat runs off, and energy-conservationly saves time again, and operative employee's hand can not improved condition of work by scorching hot baking yet, has improved production efficiency.The decomposition activation instrument is the constant-current source of sequencing control, it decomposes the electronics powder on the filament successively according to the program of setting, and activates and brightness is put, and according to the requirement of exhaust air technique many grades of electric currents and conduction time can be set, improved decomposable process greatly, the electronics powder is fully decomposed.Controller is controlled exhaust process by the program of setting.The digital temperature control instrument of band output and vacuum gauge are carried out complete monitoring to the vacuum degree of baking temperature and vacuum system.
Fill brightness and put argon, the U-shaped glass manometer is read by vacuum valve, pressure gauge valve, argon-filling valve, photoelectricity by the argon filling system of washing argon and filling the work argon and controller is formed.In all applying argon gas programs, read the U-shaped glass manometer by photoelectricity and directly read argon filling pressure in the vacuum system, without any the conversion to pressure of flow or volume, the pressure accuracy height of applying argon gas has been guaranteed the quality of product.
The scheme that the present invention solves the problems of the technologies described above is: design a kind of exhaustion bench for full-automatic glass vacuum system, the core of this exhaust station is the glass vacuum system that can control automatically, and glass vacuum system comprises the all-glass vacuum pipeline, connect and to treat that the glass rake of gas discharge lamp, four automatically controlled glass valves, glass argon bottle, photoelectricity read the U-shaped glass manometer.The connection of all these parts all is the glass burn-back, and air-tightness is fine.Automatically controlled glass valve is respectively an argon-filling valve, connects glass argon bottle and glass rake; The glass manometer valve; Vacuum valve, connection vacuumizes machinery and glass vacuum system; And vent valve, connect vacuum system and atmosphere.Argon filling pipeline and exhaust pipe are separately.This exhaust station also is furnished with the temperature baking oven of control automatically, the control system of baking oven thermal insulating door thermally insulated door and baking oven automatic lifting.Described controller is electrically connected four automatically controlled glass valves, photoelectricity respectively by the exhaust air technique flow process of setting and reads U-shaped glass manometer, vacuum pump and baking oven control system.This controller can be the controller that single-chip microcomputer, single board computer, Programmable Logic Controller or a group relay are formed.The glass evacuated rule of band output vacuum gauge are inserted vacuum system, and are electrically connected with controller, realize omnidistance vacuum degree monitoring.
The described temperature baking oven of control automatically comprises baking oven casing, transmission mechanism, drive motors, baking oven thermal insulating door thermally insulated door and caging system, the described drive motors drive transmission device action that is controlled by the controller, the displacement of control baking oven casing, described baking oven thermal insulating door thermally insulated door is controlled by the controller, realize opening or closing, described caging system comprises first limit switch and second limit switch that is electrically connected controller, and described baking oven casing can move between these two limit switches and can be parked in respectively on the position of being determined by these two limit switches.
Described baking oven thermal insulating door thermally insulated door comprises support, linkage, drive unit and door body, drive unit drive link mechanism rotates the unlatching that realizes a body or closes, described door body caging system also includes the 3rd limit switch and the 4th limit switch that is electrically connected controller, and described door body is moving between the 3rd limit switch and the 4th limit switch and can be parked in respectively on the position of being determined by these two limit switches.
Described four automatically controlled glass valves include the optoelectronic switch that valve seat, glass valves, drive stepping motor, drive system and valve zero adjustment are used, described drive stepping motor is controlled by controller, instructs drive stepping motor to drive 90 ° of Kai Heguan that realize valve of valve core rotation at every turn.
The valve core through hole of described argon-filling valve must be enough little, the response time that the speed that argon gas discharges when making argon filling and automatically controlled glass valves, photoelectricity are read the argon filling system of U-shaped glass manometer and controller composition is complementary, and makes the argon filling error little of the acceptable degree.
Described four automatically controlled glass valves can also be realized during fault manually except being controlled by controller; During the end-of-job powered-down, during the outage of breaking down property, the standby DC power supply of machine can be powered to controller in perhaps working, and controller can be controlled this four valve return-to-zero immediately.
Described photoelectricity is read the U-shaped glass manometer and is comprised U-shaped glass tube, hydraulic fluid, photoelectric sensor and floating thing; Described hydraulic fluid places the U-shaped glass tube, and described floating thing places on the liquid level of hydraulic fluid in the pipe, and described photoelectric sensor is arranged at the body outside of U-shaped glass tube, and is electrically connected controller.
Described exhaustion bench for full-automatic glass vacuum system is provided with total power switch, mechanical pump switch, diffusion pump switch and filament continuity check button.
The exhaust and the applying argon gas of this exhaustion bench for full-automatic glass vacuum system may further comprise the steps:
A. go up the lamp preliminary examination: fluorescent tube is sintered on the rake, has linked seal wire, the filament of remaining gas discharge lamp is connected in series, press filament continuity check button, check whether all filaments are communicated with, and close vent valve, open vacuum valve, forvacuum, the check system vacuum condition guarantees system's ne-leakage.
B. bakeout degassing: press the start button of controller, controller is opened the baking oven thermal insulating door thermally insulated door by the program work of setting, and baking oven moves down into desired location, covers the lamp of all treating exhaust, starts the heater in the baking oven, and the lamp for the treatment of exhaust is carried out heated baking.
C. switch on and decompose: the temperature in the baking oven reaches the temperature of setting, and the vacuum degree in the vacuum system reaches the vacuum degree of setting, and controller starts the decomposition instrument switches on to lamp tube electrode, and the electronics powder is carried out decomposition activation; Decomposition activation is closed vacuum valve and pressure gauge valve after finishing, and then opens the argon-filling valve applying argon gas; Ar pressure reaches when setting pressure, closes argon-filling valve, opens the pressure gauge valve, and the decomposition instrument begins brightness and puts.
D. wash argon: brightness is put end, opens vacuum valve and takes out the assorted gas of remnants that brightness is put generation, behind one section setting-up time, close vacuum valve and pressure gauge valve, open argon-filling valve, the pressure that charges into argon gas is closed argon-filling valve after reaching and setting pressure, open pressure gauge valve and vacuum valve, take out the argon gas that charges into, this is to wash argon for the first time, behind one section setting-up time, repeat said process, carry out washing the second time argon.
E. fill the work argon gas: after washing the argon end for the second time, when the vacuum degree in the vacuum system reaches setting vacuum degree, close vacuum valve and pressure gauge valve, open argon-filling valve, fill the work argon gas; When ar pressure reaches set point, close argon-filling valve, open the pressure gauge valve.Move on to desired location on the baking oven, the baking oven thermal insulating door thermally insulated door is closed.
F. lamp under the sealed-off.
In the last lamp program of described steps A, seal wire hinge joint place hangs up weight and weighs down, and not only fast but also reliable, contact resistance was stable in the connection that makes seal wire, and it is good to guarantee that the electronics powder decomposes.
In the bakeout degassing program of described step B, baking oven is displaced downwardly to desired location and closely contacts with work top, forms the thermal environment of a sealing, and the temperature uniformity in the baking oven not only, and energy-conservation is guaranteed the good result of bakeout degassing.
In the work of the filling argon gas program of described step e, when moving on to desired location on the baking oven, the baking oven thermal insulating door thermally insulated door is closed immediately, prevents that heat runs off, and not only lamp employee's hand is not subjected to scorching hot baking up and down, has improved working condition, has improved production efficiency, and energy-conservation.
In the work of the filling argon gas program of described step e, read the U-shaped glass manometer by photoelectricity and directly read argon filling pressure in the vacuum system,, fill the pressure accuracy height of work argon gas, guaranteed the quality of product without any the conversion of flow or volume to pressure.
Exhaustion bench for full-automatic glass vacuum system has adopted automatically controlled glass valves, and photoelectricity is read U-shaped glass manometer and controller, has realized the automation of glass vacuum system.The omnidistance monitoring that realizes temperature and vacuum degree.Exhaustion bench for full-automatic glass vacuum system of the present invention is not only simple in structure, and is cheap, the reliability height, and the qualification rate height, the production efficiency height, and maintain very convenient.
Description of drawings
Fig. 1-exhaustion bench for full-automatic glass vacuum system schematic front view.
Fig. 2-glass vacuum system schematic diagram.
Fig. 3-baking oven jacking system schematic diagram.
Fig. 4-controller flow chart-1.
Fig. 5-controller flow chart-2.
Fig. 6-controller flow chart-3.
Fig. 7-adjacent lamps lead hinge silk schematic diagram.
Embodiment
Describe specific embodiments of the invention in detail in conjunction with above-mentioned accompanying drawing.
Referring to figs. 1 to Fig. 7, elder generation was by 71 energized of the total power switch on the master control borad 70 when exhaust began.By logical mechanical pump switch 72, start mechanical pump 28.By logical diffusion pump switch 73, start diffusion pump 29.Manual-lock vacuum valve 26 is also opened vent valve 27, inserts low-pressure air to vacuum system, uses for the burn-back fluorescent tube.The lamp burn-back that the employee will treat exhaust connects on the lamp rake 211 to vacuum system 21 tops of vacuum system 20, like this, treats that the lamp of exhaust just has been access in vacuum system.Linked seal wire, hung up weight W, pressed the filament continuity check button 74 on the master control borad 70, checked whether all filaments are connected in series connection.Close vent valve 27, open vacuum valve 26, system inspects by random samples leakage in advance.The affirmation system does not leak just can be by the start button on movement controller 40 panels, and system enters automatic control state immediately.
After vacuum valve 26 is opened, vacuumize for glass vacuum system 21 by the mechanical pump 28 of having worked and diffusion pump 29 by exhaust pipe 212, the vacuum degree that the vacuum degree that vacuscope 60 detects glass vacuum system 21 has reached setting is notification controller 40 immediately just.
The connection temperature controller is after 80s, connects the heating wire in the baking oven 31, to heating in the baking oven, and just notification controller 40 immediately when temperature controller 80 detects temperature in the baking oven 31 and reached design temperature.
When controller 40 confirms that vacuum degree and temperature have all reached set point, just instruct decomposition activation instrument 50 to carry out decomposition activation length by length by the step of prior setting, decomposition activation finishes, and decomposition activation instrument 50 is notification controller 40 immediately.
The weight of the counterweight 341 of Weighting system 34 and the weight of baking oven are almost equal, the energy consumption in the time of can reducing baking oven 31 rise and fall like this.Counterweight 341 usefulness chains 342 are suspended on the opposite side of baking oven through sprocket wheel 343.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (12)
1. exhaustion bench for full-automatic glass vacuum system, it is characterized in that: the core of this exhaust station is the glass vacuum system that can control automatically, glass vacuum system comprises the all-glass vacuum pipeline, connect and to treat that the glass rake of gas discharge lamp, four automatically controlled glass valves, glass argon bottle, photoelectricity read the U-shaped glass manometer, the connection of all these parts all is the glass burn-back, air-tightness is fine, automatically controlled glass valve is respectively an argon-filling valve, connects glass argon bottle and glass rake; The glass manometer valve; Vacuum valve, connection vacuumizes machinery and glass vacuum system; And vent valve, connect vacuum system and atmosphere, argon filling pipeline and exhaust pipe are separately, this exhaust station also is furnished with the temperature baking oven of control automatically, the control system of baking oven thermal insulating door thermally insulated door and baking oven automatic lifting, described controller is electrically connected four automatically controlled glass valves respectively by the exhaust air technique flow process of setting, photoelectricity is read the U-shaped glass manometer, vacuum pump and baking oven control system, this controller can be a single-chip microcomputer, single board computer, the controller that a Programmable Logic Controller or a group relay are formed, the glass evacuated rule of band output vacuum gauge are inserted vacuum system, and and controller be electrically connected, realize omnidistance vacuum degree monitoring.
2. according to the described exhaustion bench for full-automatic glass vacuum system of claim 1, it is characterized in that: the described temperature baking oven of control automatically comprises the baking oven casing, transmission mechanism, drive motors, baking oven thermal insulating door thermally insulated door and caging system, the described drive motors drive transmission device action that is controlled by the controller, the displacement of control baking oven casing, described baking oven thermal insulating door thermally insulated door is controlled by the controller, realize opening or closing, described caging system comprises first limit switch and second limit switch that is electrically connected controller, and described baking oven casing can move between these two limit switches and can be parked in respectively on the position of being determined by these two limit switches.
3. according to the described exhaustion bench for full-automatic glass vacuum system of claim 2, it is characterized in that: described baking oven thermal insulating door thermally insulated door comprises support, linkage, drive unit and door body, drive unit drive link mechanism rotates the unlatching that realizes a body or closes, described door body caging system also includes the 3rd limit switch and the 4th limit switch that is electrically connected controller, and described door body is moving between the 3rd limit switch and the 4th limit switch and can be parked in respectively on the position of being determined by these two limit switches.
4. according to the described exhaustion bench for full-automatic glass vacuum system of claim 1, it is characterized in that: described four automatically controlled glass valves include the optoelectronic switch that valve seat, glass valves, drive stepping motor, drive system and valve zero adjustment are used, described drive stepping motor is controlled by controller, instructs drive stepping motor to drive 90 ° of Kai Heguan that realize valve of valve core rotation at every turn.
5. according to the described exhaustion bench for full-automatic glass vacuum system of claim 1, it is characterized in that: what the valve core through hole of described argon-filling valve must be enough is little, the response time that the speed that argon gas discharges when making argon filling and automatically controlled glass valves, photoelectricity are read the argon filling system of U-shaped glass manometer and controller composition is complementary, and makes the argon filling error little of the acceptable degree.
6. according to the described exhaustion bench for full-automatic glass vacuum system of claim 1, it is characterized in that: described four automatically controlled glass valves can also be realized during fault manually except being controlled by controller; During the end-of-job powered-down, during the outage of breaking down property, the standby DC power supply of machine can be powered to controller in perhaps working, and controller can be controlled this four valve return-to-zero immediately.
7. according to the described exhaustion bench for full-automatic glass vacuum system of claim 1, it is characterized in that: described photoelectricity is read the U-shaped glass manometer and is comprised U-shaped glass tube, hydraulic fluid, photoelectric sensor and floating thing; Described hydraulic fluid places the U-shaped glass tube, and described floating thing places on the liquid level of hydraulic fluid in the pipe, and described photoelectric sensor is arranged at the body outside of U-shaped glass tube, and is electrically connected controller.
8. the exhaust of an exhaustion bench for full-automatic glass vacuum system and applying argon gas method, it is characterized in that: this method may further comprise the steps:
A. go up the lamp preliminary examination: fluorescent tube is sintered on the rake, has linked seal wire, the filament of remaining gas discharge lamp is connected in series, press filament continuity check button, check whether all filaments are communicated with, and close vent valve, open vacuum valve, forvacuum, the check system vacuum condition guarantees system's ne-leakage;
B. bakeout degassing: press the start button of controller, controller is opened the baking oven thermal insulating door thermally insulated door by the program work of setting, and baking oven moves down into desired location, covers the lamp of all treating exhaust, starts the heater in the baking oven, and lamp is carried out heated baking;
C. energising is decomposed: the temperature in the baking oven reaches the temperature of setting, and the vacuum degree in the vacuum system reaches the vacuum degree of setting, and controller starts and decomposes instrument and switches on to lamp tube electrode, and the electronics powder is decomposed and activates; Decomposition activation is closed vacuum valve and pressure gauge valve after finishing, and then opens the argon-filling valve applying argon gas; Ar pressure reaches when setting pressure, closes argon-filling valve, opens the pressure gauge valve, and the decomposition instrument begins brightness and puts;
D. wash argon: brightness is put end, opens vacuum valve and takes out the assorted gas of remnants that brightness is put generation, behind one section setting-up time, close vacuum valve and pressure gauge valve, open argon-filling valve, the pressure that charges into argon gas is closed argon-filling valve after reaching and setting pressure, open pressure gauge valve and vacuum valve, take out the argon gas that charges into, this is to wash argon for the first time, behind one section setting-up time, repeat said process, carry out washing the second time argon;
E. fill the work argon gas: after washing the argon end for the second time, when the vacuum degree in the vacuum system reaches setting vacuum degree, close vacuum valve and pressure gauge valve, open argon-filling valve, fill the work argon gas; When ar pressure reaches set point, close argon-filling valve, open the pressure gauge valve.Move on to desired location on the baking oven, the baking oven thermal insulating door thermally insulated door is closed;
F. lamp under the sealed-off.
9. method according to claim 8 is characterized in that: in the last lamp program of described steps A, seal wire hinge joint place hangs up weight and weighs down, and not only fast but also reliable, contact resistance was stable in the connection that makes seal wire, and it is good to guarantee that the electronics powder decomposes.
10. method according to claim 8, it is characterized in that: in the bakeout degassing program of described step B, baking oven is displaced downwardly to desired location and closely contacts with work top, form the thermal environment of a sealing, the temperature uniformity in the baking oven not only, and energy-conservation, guarantee the good result of bakeout degassing.
11. method according to claim 8, it is characterized in that: in the work of the filling argon program of described step e, when moving on to desired location on the baking oven, the baking oven thermal insulating door thermally insulated door is closed immediately, prevent that heat runs off, not only lamp employee's hand is not subjected to scorching hot baking up and down, has improved working condition, improved production efficiency, and energy-conservation.
12. method according to claim 8, it is characterized in that: in the work of the filling argon gas program of described step e, read the U-shaped glass manometer by photoelectricity and directly read argon filling pressure in the vacuum system, without any the conversion of flow or volume to pressure, fill the pressure accuracy height of work argon gas, guaranteed the quality of product.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2008100670188A CN100545988C (en) | 2008-05-05 | 2008-05-05 | Exhaustion bench for full-automatic glass vacuum system |
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| CNB2008100670188A CN100545988C (en) | 2008-05-05 | 2008-05-05 | Exhaustion bench for full-automatic glass vacuum system |
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| CN100545988C CN100545988C (en) | 2009-09-30 |
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| CN109030735A (en) * | 2018-07-24 | 2018-12-18 | 浙江江山三友电子有限公司 | A kind of interior detection device and its detection method in miscellaneous gas of fluorescent tube |
| CN110567488A (en) * | 2019-08-28 | 2019-12-13 | 西安嘉怡天恒精密技术股份有限公司 | Laser gyro vacuum exhaust platform |
| CN113968475A (en) * | 2020-07-22 | 2022-01-25 | 群翊工业股份有限公司 | Baking device |
| CN114809875A (en) * | 2022-03-09 | 2022-07-29 | 四川英诺维新材料科技有限公司 | Automatic control system and method for vacuum glass sealing |
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| CN100545988C (en) | 2009-09-30 |
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Address after: Zhang Jian Xi Lu, Dafeng Industrial Park, Dafeng City, Jiangsu province 224100 Changzhou high tech Zone No. 121 Jiangsu Light Industry Co., Ltd. Forbes Patentee after: Kuang Zhengfang Address before: 223700, Suqian County, Jiangsu province Siyang Industrial Park Road K9 Jiangsu grand Light Co., Ltd. Patentee before: Kuang Zhengfang |
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Granted publication date: 20090930 Termination date: 20140505 |