CN102468095A - Timing and quantitative vacuum gassing control method - Google Patents
Timing and quantitative vacuum gassing control method Download PDFInfo
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- CN102468095A CN102468095A CN2010105337545A CN201010533754A CN102468095A CN 102468095 A CN102468095 A CN 102468095A CN 2010105337545 A CN2010105337545 A CN 2010105337545A CN 201010533754 A CN201010533754 A CN 201010533754A CN 102468095 A CN102468095 A CN 102468095A
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Abstract
The invention discloses a timing and quantitative vacuum gassing control method. According to the control method, a PLC sets a program and thus automatic control is carried out according to the program, so that timing and quantitative vacuum pumping and gassing work can be carried out; therefore, defects that precision and consistency are poor and the product quality is unstable can be overcome, wherein the defects are caused by manual operation based on experience; moreover, the operation flow is simplified and the vacuum degree of the host can be ensued, so that it is beneficial to meet a product demand on the vacuum degree.
Description
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Technical field
The present invention relates to the vacuum gas filling control technology, more particularly, relate to a kind of vacuum gas filling control method at regular time and quantity.
Background technology
In the production technology of various lamp & lanterns, generally need to adopt vacuum equipment to vacuumize earlier, and then adopt charger to fill protective gas.Above-mentioned two complete equipments separate, and automatic control measure useless because at present; Caused equipment many, not easy to operate, complex procedures is loaded down with trivial details; Shortcomings such as accuracy and consistency be relatively poor are operated in manual work by rule of thumb, and in the equipment handoff procedure, cause the difficult maintenance of vacuum degree easily; Cause the not high shortcoming of vacuum degree, had a strong impact on and restricted the quality of production and the efficient of a lot of high vacuum products.
Summary of the invention
To the above-mentioned shortcoming that exists in the prior art, the purpose of this invention is to provide a kind of vacuum gas filling control method at regular time and quantity, to realize quantitative the vacuumizing and inflating of self-timing, improve the accuracy and the consistency of operation.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
This vacuum gas filling control method is at regular time and quantity controlled according to the PLC setting program automatically, may further comprise the steps:
A. controlling first and second pneumatic operated valve opens; Mechanical pump is connected with the arm of control desk through the low vacuum pipeline, and controls third and fourth pneumatic operated valve and close, the arm of high vacuum pipeline and control desk is broken off; Start mechanical pump and continued to take out low vacuum 5 minutes, vacuum degree reaches 5 * 10
-2Handkerchief;
B. controlling third and fourth pneumatic operated valve opens; Mechanical pump is connected with the arm of control desk through the high vacuum pipeline; And control first and second pneumatic operated valve and close; The arm of low vacuum pipeline and control desk is broken off, start mechanical pump and high vacuum oil diffuse pump and continued pumping high vacuum 15 minutes, vacuum degree reaches 5 * 10
-5Handkerchief;
C. control all pneumatic operated valves and close, make low, high vacuum pipeline all break off, and control corresponding charge valve and open; Corresponding air accumulator is connected with the arm of control desk through loading line; To inflate, inflationtime was controlled in 1 minute, and aeration quantity and lamp power are suitable.
In the pumping high vacuum process, through water cooling unit to the high vacuum oil diffuse pump cooling that circulates.
In gas replenishment process, regulate the size of pressure with the control aeration gas flow through the decompression table of air accumulator.
In technique scheme; Vacuum gas filling control method at regular time and quantity of the present invention is controlled according to the PLC setting program automatically, thereby realizes vacuumizing at regular time and quantity and inflating operation, makes to vacuumize and inflate on same operation post and accomplishes; Not only simplified operating process; But also guaranteed the vacuum degree of main frame, and improved the accuracy and the consistency of operation, help satisfying the vacuum degree demand of product.
Description of drawings
Fig. 1 is the structural perspective of integrated vacuum gas filling of the present invention system;
Fig. 2 is a low vacuum pipeline of the present invention and the vertical view that is connected of mechanical pump;
Fig. 3 is the vertical view of high vacuum pipeline of the present invention;
Fig. 4 is the structure chart of inflation mechanism of the present invention;
Fig. 5 is the flow chart of vacuum gas filling control method at regular time and quantity of the present invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and embodiment.
See also Fig. 1 ~ shown in Figure 4, integrated vacuum gas filling of the present invention system 100 comprises cabinet 110, is located at the operation post 120 on cabinet 110 tops, is located at vacuum device 130 and inflation mechanism 140 and control cabinet 160 in the cabinet 110.Wherein, described cabinet 110 is a frame structure, is used for the fixing of each parts; Described operation post 120 comprises a horizontally disposed operation pipe 121, operation pipe 121 sealed at both ends, and the upper end vertically is connected with a plurality of arms 122, is used to settle the light fixture that will carry out vacuum gas filling; Described vacuum device 130 comprises mechanical pump 131, low vacuum pipeline and high vacuum pipeline; The low vacuum pipeline comprises the first pneumatic operated valve 132a, the first three-way pipe 133a, the second pneumatic operated valve 132b, the second three-way pipe 133b that is communicated with successively; The first pneumatic operated valve 132a, one end is communicated with mechanical pump 131, and the second three-way pipe 133b, one end is communicated with operation pipe 121; The high vacuum pipeline comprises the 3rd pneumatic operated valve 132c, high vacuum oil diffuse pump 134 and the 4th pneumatic operated valve 132d that links to each other successively; The 3rd pneumatic operated valve 132c is communicated with the first three-way pipe 133a, one end; The 4th pneumatic operated valve 132d one end is communicated with the second three-way pipe 133b, and passes to operation pipe 121; Described inflation mechanism 140 comprises air accumulator 141 and corresponding loading line; Air accumulator 141 can comprise argon tanks 141a and krypton gas tank 141b; In order to independent inflation respectively; Each loading line then comprises decompression table 142, spiral separator tube 143 and the charge valve 144 that is communicated with successively, and charge valve 144 1 ends are communicated with operation pipe 121.The setting of spiral separator tube 143, the connection between two connectors that help being difficult for locating is identical, and arrives cushioning effect preferably.Be connected through the first metal hose 135a between the described first three-way pipe 133a and the second pneumatic operated valve 132b; Then be connected between described the 3rd pneumatic operated valve 132c and the high vacuum oil diffuse pump 134 through the second metal hose 135b.In addition; The described first pneumatic operated valve 132a, the first three-way pipe 133a, the second pneumatic operated valve 132b, the second three-way pipe 133b, the 3rd pneumatic operated valve 132c, high vacuum oil diffuse pump 134, the 4th pneumatic operated valve 132d, spiral separator tube 143, operation pipe 121 and arm 122 all adopt glass material to make, the stability and the purity that vacuumize and inflate with raising.Control cabinet 160 is electrically connected with parts such as mechanical pump 131, each pneumatic operated valve 132a ~ 132d, high vacuum oil diffuse pump 134, charge valves 144 respectively, in order to realize automatic control.
Need to prove that at this among Fig. 1 is a cooling-water machine 150, is connected with high vacuum oil diffuse pump 134 through circulating water pipe; Can displays temperature; The water level height makes the temperature that water temperature remains to be needed, in order to the high vacuum oil diffuse pump 134 in the work is carried out recirculated water cooling.Arrow among Fig. 2 is expressed as the flow direction of taking out low vacuum, and the A place meets the second metal hose 135b, and the B place meets the second three-way pipe 133b; Arrow among Fig. 3 is expressed as the flow direction of pumping high vacuum, and the C place meets the first metal hose 135a, the F place in the D place map interlinking 4; Arrow among Fig. 4 is expressed as the inflation direction.
Please combine shown in Figure 5ly, vacuum gas filling control method at regular time and quantity of the present invention can adopt PLC to control; May further comprise the steps: after on the arm 122 of light fixture being located at operation post 120, on control cabinet 160, carry out the program setting of PLC, quantitatively control in order to carry out self-timing according to the manufacturing technique requirent of different lamp & lanterns; If the words that promptly only need low vacuum to bleed; First, second pneumatic operated valve of may command 132a, 132b open, and the 3rd, the 4th pneumatic operated valve 132c, 132d close, thereby make the sealing of high vacuum pipeline; Mechanical pump 131 is communicated with operation pipe 121 and arm 122 through the low vacuum pipeline; Make low vacuum pipeline carry out independently working through 131 startups of control mechanical pump this moment, light fixture carried out low vacuum bleed, through test of many times and repeated calculation; Taking out the low vacuum time is 5 minutes, makes the vacuum degree in the light fixture reach 5 * 10
-2Handkerchief; 5 minutes to the back directly the corresponding charge valve 144 of switching controls open, and, light fixture is charged into required protective gas through the size that decompression table 142 is regulated pressure control air-flows, inflationtime is no more than 1 minute, the power of aeration quantity and light fixture (wattage) is suitable.If need the words of fine pumping; Can after exhausting low vacuum, control first, second pneumatic operated valve 132a, 132b closes, and opens the 3rd, the 4th pneumatic operated valve 132c, 132d; Thereby make the sealing of low vacuum pipeline; Mechanical pump 131 is connected with operation pipe 121 and arm 122 through the high vacuum pipeline, is carrying out the extraction of oil spout and mechanical pump 131 through control high vacuum oil diffuse pump 134, thereby is realizing light fixture is carried out fine pumping; The time of pumping high vacuum is 15 minutes, makes the vacuum degree in the light fixture reach 5 * 10
-5Handkerchief; After 15 minutes, automatically switch to the inflation operation equally.
Adopt vacuum gas filling control method at regular time and quantity of the present invention; Automatically control according to the PLC setting program, thereby realize vacuumizing and to inflate operation at regular time and quantity, change in the past manual the operation by rule of thumb and cause accuracy and consistency relatively poor; Defectives such as unstable product quality; Not only simplify operating process, but also guaranteed the vacuum degree of main frame, helped satisfying the vacuum degree demand of product.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the present invention; And be not to be used as qualification of the present invention; As long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (3)
1. a vacuum gas filling control method is at regular time and quantity controlled according to the PLC setting program automatically, it is characterized in that,
May further comprise the steps:
A. controlling first and second pneumatic operated valve opens; Mechanical pump is connected with the arm of control desk through the low vacuum pipeline, and controls third and fourth pneumatic operated valve and close, the arm of high vacuum pipeline and control desk is broken off; Start mechanical pump and continued to take out low vacuum 5 minutes, vacuum degree reaches 5 * 10
-2Handkerchief;
B. controlling third and fourth pneumatic operated valve opens; Mechanical pump is connected with the arm of control desk through the high vacuum pipeline; And control first and second pneumatic operated valve and close; The arm of low vacuum pipeline and control desk is broken off, start mechanical pump and high vacuum oil diffuse pump and continued pumping high vacuum 15 minutes, vacuum degree reaches 5 * 10
-5Handkerchief;
C. control all pneumatic operated valves and close, make low, high vacuum pipeline all break off, and control corresponding charge valve and open; Corresponding air accumulator is connected with the arm of control desk through loading line; To inflate, inflationtime was controlled in 1 minute, and aeration quantity and lamp power are suitable.
2. vacuum gas filling control method at regular time and quantity as claimed in claim 1 is characterized in that:
In the pumping high vacuum process, through water cooling unit to the high vacuum oil diffuse pump cooling that circulates.
3. vacuum gas filling control method at regular time and quantity as claimed in claim 1 is characterized in that:
In gas replenishment process, regulate the size of pressure with the control aeration gas flow through the decompression table of air accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105337545A CN102468095A (en) | 2010-11-08 | 2010-11-08 | Timing and quantitative vacuum gassing control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105337545A CN102468095A (en) | 2010-11-08 | 2010-11-08 | Timing and quantitative vacuum gassing control method |
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| Publication Number | Publication Date |
|---|---|
| CN102468095A true CN102468095A (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105337545A Pending CN102468095A (en) | 2010-11-08 | 2010-11-08 | Timing and quantitative vacuum gassing control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869909A (en) * | 2016-09-26 | 2018-04-03 | 宁波江丰电子材料股份有限公司 | Vacuum hotpressing stove |
| CN115382856A (en) * | 2022-10-25 | 2022-11-25 | 江苏容正医药科技有限公司 | Plasma ultra-clean processing method, system, device and medium |
-
2010
- 2010-11-08 CN CN2010105337545A patent/CN102468095A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869909A (en) * | 2016-09-26 | 2018-04-03 | 宁波江丰电子材料股份有限公司 | Vacuum hotpressing stove |
| CN107869909B (en) * | 2016-09-26 | 2019-06-28 | 宁波江丰电子材料股份有限公司 | Vacuum hotpressing stove |
| CN115382856A (en) * | 2022-10-25 | 2022-11-25 | 江苏容正医药科技有限公司 | Plasma ultra-clean processing method, system, device and medium |
| WO2024087570A1 (en) * | 2022-10-25 | 2024-05-02 | 江苏容正医药科技有限公司 | Plasma ultra-cleaning treatment method, system, apparatus and medium |
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Application publication date: 20120523 |