CN108802101A - A method of control interiors of products filling gas moisture content - Google Patents
A method of control interiors of products filling gas moisture content Download PDFInfo
- Publication number
- CN108802101A CN108802101A CN201810617271.XA CN201810617271A CN108802101A CN 108802101 A CN108802101 A CN 108802101A CN 201810617271 A CN201810617271 A CN 201810617271A CN 108802101 A CN108802101 A CN 108802101A
- Authority
- CN
- China
- Prior art keywords
- moisture content
- nitrogen
- dew point
- filling gas
- interiors
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
- G01N25/66—Investigating or analyzing materials by the use of thermal means by investigating moisture content by investigating dew-point
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
Abstract
The invention discloses a kind of methods of control interiors of products filling gas moisture content, and product is positioned in the closed container of vacuum, and is toasted；Steam in product and closed container is drained；It is filled with the nitrogen of setting moisture content；Sealing cover is carried out to product.The object of the invention is to provide a kind of method of interiors of products filling gas moisture content, and this method enables to internal atmosphere moisture content to be maintained at 200PPM~3000PPM ranges, and this method is simple, of low cost.
Description
Technical field
The invention belongs to technical field of electric equipment, specifically, being related to a kind of control interiors of products filling gas steam
The method of content.
Background technology
With the development of aeronautical and space technology, micro sealing relay is as a kind of high performance component using increasingly
Extensively, reliability requirement is higher and higher.Research shows that filling Trace Water Vapor inside micro sealing relay, (200PPM≤steam contains
Amount≤5000PPM) functional reliability of product can be improved.The moisture content of filling gas is mainly by air source inside relay
(high-purity N 2) determines, but the high-purity N 2 that air source producer is conveyed cannot adjust moisture content, and the moisture content included exists
100PPM brings inconvenience to the production of relay producer hereinafter, the equipment price that can adjust steam is expensive.
Invention content
The technical problem to be solved in the present invention is to overcome the deficiencies of the prior art and provide a kind of control interiors of products filling
The method of gas moisture content, this method enable to internal atmosphere moisture content to be maintained at 200PPM~3000PPM ranges,
And this method is simple, it is of low cost.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution：
A kind of method of control interiors of products filling gas moisture content of the present invention, includes the following steps：
Product is positioned in the closed container of vacuum, and is toasted；
Steam in product and closed container is drained；
It is filled with the nitrogen of setting moisture content；
Sealing cover is carried out to product.
Further, in the baking process, temperature in closed container is 130~180 DEG C, vacuum degree is 10~
100pa, baking time are 10~16 hours.
Further, the nitrogen of the setting moisture content is passed through：
Pure nitrogen gas and the nitrogen after humidifier humidifies are led into mixing match device with mixing；
Pass through the dew point of gas after dew point tester test mixing；
Adjustment mixing match device makes dew point value in the dew point value section of setting.
Further, the vacuum airtight container that the nitrogen of the setting moisture content is passed through, when baking oven air pressure is equal to air
When pressure, stopping is passed through nitrogen.
Further, it is described be filled with the nitrogen of setting moisture content after, by the interior glove box filled with pure nitrogen gas by product
It takes out, and passes through the sealing cover in melting welding seal box.
Further, the adjustment mixing match device so that the method for dew point value is：It, can when dew point value exceeds setting value
The flow of the pure nitrogen gas tuned up turns the nitrogen flow after humidifier humidifies down；If dew point value is less than setting value, adjust
Nitrogen greatly after humidifier humidifies or the flow for turning pure nitrogen gas down.
Further, the dew point value section is -50~-20.
Further, the dew point value section is -40~-30.
The nitrogen acquisition of setting moisture content is obtained by steam regulating device, and steam regulating device structure includes air inlet pipe
And air inlet pipe, air inlet pipe are connected to mixing match device, air inlet pipe is connected with flow control valve and humidifier, humidifier in turn
Be connected to mixing match device, humidifier include a container equipped with deionized water and stretch to deionized water come tracheae and
Escape pipe on deionized water liquid level, deionized water depth are the 1/2~1/3 of container height.
Above-mentioned product can be relay.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
Setting gas can be filled to relay inside by the method for the control interiors of products filling gas moisture content
The gas of content, especially for relay so that moisture content is within the scope of 200PPM~3000PPM, so as to increase
The functional reliability of relay；The method of the filling nitrogen moisture content is simple, at low cost, enables to most of manufacturers
It can use, be with a wide range of applications.
The specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
A part of the attached drawing as the application, for providing further understanding of the invention, of the invention is schematic
Embodiment and its explanation do not constitute inappropriate limitation of the present invention for explaining the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings：
Fig. 1 is steam regulating device structure chart.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but is that those skilled in the art illustrate idea of the invention by referring to specific embodiments.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, following embodiment for illustrating the present invention, but
It is not limited to the scope of the present invention.
In the description of the present invention, it should be noted that term "upper", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment one：
The method of the control interiors of products filling gas moisture content of the present invention, includes the following steps：
Product is positioned in the closed container of vacuum, and is toasted；Steam in product and closed container is drained；It is filled with and sets
Determine the nitrogen of moisture content, the vacuum airtight container that the nitrogen for setting moisture content is passed through, when baking oven air pressure is equal to air
When pressure, stopping is passed through nitrogen；Sealing cover is carried out to product, then obtains inside filled with the product containing setting steam gas, especially
It is to be directed to relay, controls inside it moisture content filled with nitrogen between 200PPM~3000PPM.
In the baking process, temperature in closed container is 130~180 DEG C, and vacuum degree is 10~100pa, when baking
Between be 10~16 hours.
The nitrogen of the setting moisture content is passed through：
Pure nitrogen gas and the nitrogen after humidifier humidifies are led into mixing match device with mixing；
Pass through dew point tester test mixing after gas dew point so that the moisture content of the N2 of output 20PPM~
Within the scope of 600PPM, the formula that wherein dew point is scaled PPM is：Td=P/1013*104, Td are dew-point temperature, and P is that PPM is dense
Degree；
Adjustment mixing match device makes dew point value in the dew point value section of setting, and the dew point value section is -50~-20,
Preferably dew point value section is -40~-30, it is highly preferred that dew point value section is -35.
It is described be filled with setting moisture content nitrogen after, product is taken out by the interior glove box filled with pure nitrogen gas, gloves
Fill the nitrogen of 99.9% purity in case, and by melting welding seal box sealing cover, whole process be not exposed in air.
The adjustment mixing match device so that the method for dew point value is：When dew point value exceeds setting value, what can be tuned up is pure
The flow of nitrogen turns the nitrogen flow after humidifier humidifies down；If dew point value is less than setting value, tune up by adding
Nitrogen after wet device humidification or the flow for turning pure nitrogen gas down, so as to adjust to appropriate section.
The nitrogen of setting moisture content is obtained by steam regulating device, as shown in Figure 1, steam regulating device includes air inlet
Pipe 1a and air inlet pipe 1b, air inlet pipe 1a are connected to mixing match device 3, and air inlet pipe 1b is connected with flow control valve 2 and humidification in turn
Device 4, humidifier 4 are connected to mixing match device 3, and humidifier 4 includes a container 41 that deionized water is housed and stretches into
Come tracheae 42 and the escape pipe 43 on deionized water liquid level to deionized water, deionized water depth is the 1/ of container height
2~1/3.Flow control valve 2 can be also installed on air inlet pipe 1a.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, it is right according to the technical essence of the invention as long as being the content without departing from technical solution of the present invention
Any simple modification, equivalent change and modification made by above example, in the range of still falling within the present invention program.
Claims (9)
1. a kind of method of control interiors of products filling gas moisture content, which is characterized in that include the following steps：
Product is positioned in the closed container of vacuum, and is toasted；
Steam in product and closed container is drained；
It is filled with the nitrogen of setting moisture content；
Sealing cover is carried out to product.
2. the method for control interiors of products filling gas moisture content according to claim 1, which is characterized in that the baking
During roasting, the temperature in closed container is 130~180 DEG C, and vacuum degree is 10~100pa, and baking time is 10~16 hours.
3. the method for control interiors of products filling gas moisture content according to claim 1, which is characterized in that described to set
The nitrogen for determining moisture content is passed through：
Pure nitrogen gas and the nitrogen after humidifier humidifies are led into mixing match device with mixing；
Pass through the dew point of gas after dew point tester test mixing；
Adjustment mixing match device makes dew point value in the dew point value section of setting.
4. the method for control interiors of products filling gas moisture content according to claim 1, which is characterized in that described to set
Determine the vacuum airtight container that the nitrogen of moisture content is passed through, when baking oven air pressure is equal to atmospheric pressure, stopping is passed through nitrogen.
5. the method for control interiors of products filling gas moisture content according to claim 1, which is characterized in that setting water
The nitrogen acquisition of vapour content is obtained by steam regulating device, and steam regulating device structure includes air inlet pipe and air inlet pipe, air inlet
Pipe is connected to mixing match device, and air inlet pipe is connected with flow control valve and humidifier in turn, and humidifier is connected to mixing and matches
Than device, humidifier includes a container equipped with deionized water and stretches to carrying out tracheae and being located at deionized water for deionized water
Escape pipe on liquid level, deionized water depth are the 1/2~1/3 of container height.
6. the method for control interiors of products filling gas moisture content according to claim 3, which is characterized in that described to fill
Enter after setting the nitrogen of moisture content, is taken out product by the interior glove box filled with pure nitrogen gas, and by melting welding seal box
Interior sealing cover.
7. the method for control interiors of products filling gas moisture content according to claim 3, which is characterized in that the tune
Whole mixing match device so that the method for dew point value is：When dew point value exceeds setting value, the flow or tune of the pure nitrogen gas that can be tuned up
The small nitrogen flow after humidifier humidifies；If dew point value is less than setting value, tune up after humidifier humidifies
Nitrogen or the flow for turning pure nitrogen gas down.
8. the method for control interiors of products filling gas moisture content according to claim 3, which is characterized in that the dew
Point value section is -50~-20.
9. the method for control interiors of products filling gas moisture content according to claim 7, which is characterized in that the dew
Point value section is -40~-30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617271.XA CN108802101A (en) | 2018-06-15 | 2018-06-15 | A method of control interiors of products filling gas moisture content |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617271.XA CN108802101A (en) | 2018-06-15 | 2018-06-15 | A method of control interiors of products filling gas moisture content |
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| CN108802101A true CN108802101A (en) | 2018-11-13 |
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| CN201810617271.XA Pending CN108802101A (en) | 2018-06-15 | 2018-06-15 | A method of control interiors of products filling gas moisture content |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368786A (en) * | 2019-07-12 | 2019-10-25 | 大连藏龙光电子科技有限公司 | A kind of control method of small-sized sealing optical device internal steam |
| CN111029308A (en) * | 2019-12-16 | 2020-04-17 | 武汉英飞光创科技有限公司 | Method and system for filling dry gas into shell of optical module device |
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| JP2000097890A (en) * | 1998-09-21 | 2000-04-07 | Sony Corp | Device for measuring moisture content in gas, and method for detecting cryopump regeneration finish time |
| CN101030544A (en) * | 2007-04-03 | 2007-09-05 | 清华大学 | Method for packing photoelectric device |
| CN201545901U (en) * | 2009-10-23 | 2010-08-11 | 宝山钢铁股份有限公司 | Humidifying device |
| CN102020235A (en) * | 2010-11-11 | 2011-04-20 | 北京自动化控制设备研究所 | Low-moisture content packaging method for thin outline (TO) packaging structure and packaging assembly thereof |
| CN201864557U (en) * | 2010-11-11 | 2011-06-15 | 北京自动化控制设备研究所 | Degassing and gas-filling equipment for low-moisture-content packaging |
| CN103035540A (en) * | 2012-12-11 | 2013-04-10 | 北京中科飞鸿科技有限公司 | Low moisture content encapsulation device and method of jumbo size non-standard metal encapsulation device |
| CN105709655A (en) * | 2016-03-04 | 2016-06-29 | 中国钢研科技集团有限公司 | Atmosphere united gas distributing device for hot-dip plating experiment and method of atmosphere united gas distributing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000097890A (en) * | 1998-09-21 | 2000-04-07 | Sony Corp | Device for measuring moisture content in gas, and method for detecting cryopump regeneration finish time |
| CN101030544A (en) * | 2007-04-03 | 2007-09-05 | 清华大学 | Method for packing photoelectric device |
| CN201545901U (en) * | 2009-10-23 | 2010-08-11 | 宝山钢铁股份有限公司 | Humidifying device |
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| CN201864557U (en) * | 2010-11-11 | 2011-06-15 | 北京自动化控制设备研究所 | Degassing and gas-filling equipment for low-moisture-content packaging |
| CN103035540A (en) * | 2012-12-11 | 2013-04-10 | 北京中科飞鸿科技有限公司 | Low moisture content encapsulation device and method of jumbo size non-standard metal encapsulation device |
| CN105709655A (en) * | 2016-03-04 | 2016-06-29 | 中国钢研科技集团有限公司 | Atmosphere united gas distributing device for hot-dip plating experiment and method of atmosphere united gas distributing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368786A (en) * | 2019-07-12 | 2019-10-25 | 大连藏龙光电子科技有限公司 | A kind of control method of small-sized sealing optical device internal steam |
| CN111029308A (en) * | 2019-12-16 | 2020-04-17 | 武汉英飞光创科技有限公司 | Method and system for filling dry gas into shell of optical module device |
| CN111029308B (en) * | 2019-12-16 | 2021-11-23 | 武汉英飞光创科技有限公司 | Method and system for filling dry gas into shell of optical module device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |
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| RJ01 | Rejection of invention patent application after publication |