CN109210922A - A kind of rapid moisture removal method of non-dismantling product - Google Patents
A kind of rapid moisture removal method of non-dismantling product Download PDFInfo
- Publication number
- CN109210922A CN109210922A CN201811220648.4A CN201811220648A CN109210922A CN 109210922 A CN109210922 A CN 109210922A CN 201811220648 A CN201811220648 A CN 201811220648A CN 109210922 A CN109210922 A CN 109210922A
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- Prior art keywords
- temperature
- product
- air pressure
- pressure case
- removal method
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Drying Of Solid Materials (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The step of the embodiment of the present application provides a kind of rapid moisture removal method of non-dismantling product, this method includes: that the opposed temperature and air pressure case for having product to be dehumidified is kept the temperature；If the temperature stabilization times of known product, the heat preservation of product is carried out according to known temperature stabilization times, during which synchronous to carry out pressure control, the moisture stable when reaching soaking time in temperature and air pressure case, which then dehumidifies, to be finished；If unknown, according to predetermined insulation levels table, heat preservation and low voltage control are carried out to temperature and air pressure case, and judge the humidity in temperature and air pressure case, if humidity reaches stable, dehumidifying is finished；If humidity not up to stablize, continue to keep the temperature, until temperature and air pressure case in moisture stable when dehumidifying finish.This programme utilizes the principle flowed with air under height from hyperbar to low pressure, in the case where not disassembling product, carries out interiors of products dehumidifying by high temperature hypobaric.
Description
Technical field
It is this application involves product dehumidifying field, in particular to a kind of to be utilized under product situation in temperature and air pressure case without disassembling
The method of high temperature hypobaric progress rapid moisture removal.
Background technique
Space Equipment and subsystem thereon, equipment dependability requirement height, between equipment preparation and batch term, for environment
Control it is particularly stringent, but during product development, airborne equipment is difficult to keep away in test, test and durings deliver transport etc.
Exempt from the intrusion of moisture.
For invading moisture in equipment, conventional dehumanization method is high temperature dry-air blast purging or natural air drying, but is not being torn open
It solves under product situation, this method is difficult for interiors of products moisture to be discharged, and therefore, after usually disassembling product carries out high temperature and does
Wind is swept or natural air drying, however, this dismantling can bring other extra works, such as re-assemblies, the additional screening, product
Calibration etc., screening test routinely, the additional screening time of a product at least need 48h, the calibration time then with product phase
It closes, the calibration of a such as target seeker needs 3-5 days, and moisture certainly will influence lead time, the cost etc. of equipment as a result,.
Summary of the invention
One of in order to solve the above problem, this application provides a kind of rapid moisture removal methods of non-dismantling product.
According to the first aspect of the embodiment of the present application, a kind of rapid moisture removal method of non-dismantling product, the party are provided
The step of method includes:
The opposed temperature and air pressure case for having product to be dehumidified is kept the temperature；
If the temperature stabilization times of known product, the heat preservation of product is carried out according to known temperature stabilization times, during which
Synchronous to carry out pressure control, the moisture stable when reaching soaking time in temperature and air pressure case, which then dehumidifies, to be finished；If unknown, press
According to predetermined insulation levels table, heat preservation and low voltage control are carried out to temperature and air pressure case, and judge the humidity in temperature and air pressure case, if wet
Degree reaches stable, then dehumidifying finishes；If humidity is not up to stablized, continue to keep the temperature, until the moisture stable in temperature and air pressure case
When dehumidifying finish.
Herein described technical solution can carry out rapid moisture removal in the case where not disassembling product, and such as space flight is avoided to produce
Product because after traditional dismantling again dehumanization method bring the additional screening, again the extra works such as calibration and increase time, funds
The problem of cost, make that the dehumidification work of product is more efficient, cost is lower.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 shows the schematic diagram of rapid moisture removal method described in this programme.
Specific embodiment
In order to which technical solution in the embodiment of the present application and advantage is more clearly understood, below in conjunction with attached drawing to the application
Exemplary embodiment be described in more detail, it is clear that described embodiment be only the application a part implement
Example, rather than the exhaustion of all embodiments.It should be noted that in the absence of conflict, embodiment and reality in the application
The feature applied in example can be combined with each other.
The core ideas of this programme is not being disassembled using the principle flowed with air under height from hyperbar to low pressure
In the case where product, by high temperature hypobaric carry out interiors of products dehumidifying, so as to shorten dehumidifying the time, reduce maintenance at
This.
As shown in Figure 1, this programme discloses a kind of rapid moisture removal method of non-dismantling product, this method can not disassembled
In the case where product, the dehumidification work of product is completed within several hours, greatly improves dehumidifying time and maintenance cost.Tool
Body, the step of this method includes:
1, temperature and air pressure case is pre-processed
In the present solution, needing for temperature and air pressure case to be dried could dehumidify to product to be dehumidified.Firstly, sharp
With 40 DEG C or the dry-air blast of the work high temperature of product to be dehumidified, temperature and air pressure case is purged to schedule；After predetermined time reaches,
Judge the humidity of temperature and air pressure case, if humidity is not higher than 15%, can be used for the dehumidification work of product to be dehumidified；If temperature is high
It in 15%, then needs to continue to purge, until humidity is down to 15% or less.In the present solution, preferably, can will be arranged the predetermined time
For 2 hours.It can also be according to the factors such as type, the property of product to be dehumidified, the predetermined time of appropriate adjustment purging.
2, the opposed temperature and air pressure case for having product to be dehumidified is kept the temperature；
Product to be dehumidified is placed in to meet the volume of desired indicator be 3 to 5 times of small product size of temperature and air pressure to be dehumidified
It is kept the temperature in case.In the present solution, product to be dehumidified can be installed on and be blown by high temperature dry-air blast in product to be dehumidified installation
Having on certain altitude support frame in the temperature and air pressure case swept, guarantees the exposed aerial area of product to be dehumidified as far as possible
Greatly, specifically ensure that the link positions such as the negotiable screw of gas are exposed in air.And it is arranged around product to be dehumidified wet
Sensor is spent, sensor is arranged in as far as possible near the link positions such as the negotiable screw of gas.Wherein, in the present solution, for
Temperature control in temperature and air pressure case needs to be controlled and adjusted according to the gentle pressure of work high temperature of product to be dehumidified.For example,
Dehumidifying high temperature in temperature and air pressure case can choose temperature not less than 40 DEG C, and not higher than product nominal operation high temperature to be dehumidified
Temperature；Preferably, 5 DEG C except wet temp at least below product nominal operation high temperature to be dehumidified of temperature and air pressure case.For another example warm
The low pressure extreme value that the dehumidifying low pressure spent in pneumatic pressure tank can be undergone according to life of product phase domestic demand chooses low pressure, it is desirable that choosing
Fixed air pressure is not less than the low pressure extreme value of product；Preferably, according to it is long in the life of product phase when height that works be determined.
3, dehumidification operation is carried out to product to be dehumidified, and judges whether that dehumidifying finishes；If the temperature of known product is stablized
Between, then the heat preservation of product is carried out according to known temperature stabilization times, it is during which synchronous to carry out pressure control, when reaching soaking time
When temperature and air pressure case in moisture stable then dehumidify and finish；If unknown, according to predetermined insulation levels table, to temperature and air pressure case into
Row heat preservation, and synchronous progress low pressure control, guarantee that the dehumidified environment in temperature and air pressure case is stablized；It is real-time using humidity sensor
The temperature around product to be dehumidified is monitored, judges the humidity in temperature and air pressure case, if humidity reaches stable, dehumidifying is finished；If
Humidity not up to stablize, then continue to keep the temperature, until temperature and air pressure case in moisture stable when dehumidifying finish.Predetermined heat preservation registration form
As shown in table 1,
1 temperature of table stablizes soaking time grade
| Test product mass M (kg) | Soaking time (h) |
| M≤15 | 4 |
| 15<M≤150 | 6 |
| M>150 | 10 |
So far, in such a way that high temperature is hypobaric, the dehumidification operation under non-dismantling product situation is completed.
Below by taking a certain nominal operation high temperature is 70 DEG C, quality is the product to be dehumidified of 10Kg as an example, described in this programme
One kind do not disassemble the rapid moisture removal method of product and be described further book.
First step dehumidifying high temperature is selected
According to the nominal operation high temperature of product to be dehumidified, choosing the dehumidifying high temperature in temperature and air pressure case is 60 DEG C.
Second step dehumidifying is hypobaric selected
The low pressure extreme value of life of product phase domestic demand experience is 0.5KPa, is mainly worked in 10Km height, accordingly, it is determined that
The low pressure of temperature and air pressure case is the air pressure extreme value 22.6KPa of corresponding 10Km height.
Third step high temperature dry-air blast purges temperature and air pressure case
The product size to be dehumidified is 60cm × 60cm × 60cm, thus selection volume be 3-5 times of product greatly (1m × 1m ×
Temperature and air pressure case 1m)；It is blown in temperature and air pressure case before use, first carrying out the 2h dry-air blast at 40 DEG C of high temperature to the temperature and air pressure case
It sweeps, measures humidity in case after purging 2h, humidity reaches 15%, stops high temperature dry-air blast purging.
4th step installs product in temperature and air pressure case
Product is placed using the shelf with 20cm high, other than the side contacted with shelf, remaining surface is all exposed in sky
In gas, the especially link positions such as screw are exposed in air.And the cloth near the link positions such as the negotiable screw of gas
Set humidity sensor.
5th step carries out dehumidification work to product to be dehumidified
Temperature, the air pressure that temperature and air pressure case is arranged are 60 DEG C, 22.6KPa, start to keep the temperature in 4h, same stepping except wet test
Row low pressure control, and monitor the humidity sensor around product, the value of monitoring discovery humidity sensor is not also stable when 4h, after
High temperature low pressure, and monitoring temperature sensor are held in continuation of insurance, until the value of humidity sensor reaches stable when 6h, stop dehumidifying examination
It tests.
In conclusion rapid moisture removal method described in this programme, after can be avoided such as space product because of traditional dismantling
Again dehumanization method bring the additional screening, again the extra works such as calibration and increase the time, through costly problem, make product
Dehumidification work is more efficient, cost is lower.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The above is only the embodiment of the present invention, are not intended to restrict the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent substitution, improvement and etc. done, be all contained in apply pending scope of the presently claimed invention it
It is interior.
Claims (10)
1. a kind of rapid moisture removal method of non-dismantling product, which is characterized in that the step of this method includes:
The opposed temperature and air pressure case for having product to be dehumidified is kept the temperature；
If the temperature stabilization times of known product, the heat preservation of product is carried out according to known temperature stabilization times, it is during which synchronous
Pressure control is carried out, the moisture stable when reaching soaking time in temperature and air pressure case, which then dehumidifies, to be finished；If unknown, according to pre-
Determine insulation levels table, heat preservation and low voltage control is carried out to temperature and air pressure case, and judge the humidity in temperature and air pressure case, if humidity reaches
To stabilization, then dehumidifying finishes；If humidity not up to stablize, continue to keep the temperature, until temperature and air pressure case in moisture stable when remove
It is wet to finish.
2. rapid moisture removal method according to claim 1, which is characterized in that the step of this method further include: to temperature gas
Pressure case is pre-processed.
3. rapid moisture removal method according to claim 2, which is characterized in that described pretreated to the progress of temperature and air pressure case
Step includes:
Using 40 DEG C or the dry-air blast of the work high temperature of product to be dehumidified, temperature and air pressure case is purged to schedule；
Judge the humidity of temperature and air pressure case, if humidity is higher than 15%, continue to purge, until humidity is down to 15% or less.
4. rapid moisture removal method according to claim 3, which is characterized in that the predetermined time is 2 hours.
5. rapid moisture removal method according to claim 1, which is characterized in that the holding temperature is not less than 40 DEG C, and not
Higher than the nominal operation high temperature of product to be dehumidified.
6. rapid moisture removal method according to claim 5, which is characterized in that the holding temperature works at least below product
5 DEG C of nominal operation high temperature.
7. rapid moisture removal method according to claim 1, which is characterized in that the dehumidifying air pressure in the temperature and air pressure case is not
Lower than the barometric minimum extreme value of product to be dehumidified.
8. rapid moisture removal method according to claim 1, which is characterized in that the volume of the temperature and air pressure case is to be dehumidified
3 to 5 times of product.
9. rapid moisture removal method according to claim 1, which is characterized in that the product to be dehumidified is placed in temperature and air pressure case
On the support frame of interior setting；
On support frame as described above, humidity sensor is equipped with close to the position of product surrounding to be dehumidified.
10. rapid moisture removal method according to claim 1, which is characterized in that the predetermined insulation levels table are as follows:
。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811220648.4A CN109210922B (en) | 2018-10-19 | 2018-10-19 | Rapid dehumidification method for non-disassembled product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811220648.4A CN109210922B (en) | 2018-10-19 | 2018-10-19 | Rapid dehumidification method for non-disassembled product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109210922A true CN109210922A (en) | 2019-01-15 |
| CN109210922B CN109210922B (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811220648.4A Active CN109210922B (en) | 2018-10-19 | 2018-10-19 | Rapid dehumidification method for non-disassembled product |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060265A (en) * | 2015-08-06 | 2015-11-18 | 贵州开磷集团股份有限公司 | Dehumidifying method by using low-pressure waste heat steam |
| US20180066890A1 (en) * | 2012-02-01 | 2018-03-08 | Revive Electronics, LLC | Methods and apparatuses for drying electronic devices |
| CN107799714A (en) * | 2016-09-06 | 2018-03-13 | 深圳格林德能源有限公司 | Rapid draing water-eliminating method before polymer Li-ion battery fluid injection |
| CN207515359U (en) * | 2017-11-07 | 2018-06-19 | 深圳市美雅洁技术股份有限公司 | A kind of intelligent low-temperature vacuum shelf dryer |
-
2018
- 2018-10-19 CN CN201811220648.4A patent/CN109210922B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180066890A1 (en) * | 2012-02-01 | 2018-03-08 | Revive Electronics, LLC | Methods and apparatuses for drying electronic devices |
| CN105060265A (en) * | 2015-08-06 | 2015-11-18 | 贵州开磷集团股份有限公司 | Dehumidifying method by using low-pressure waste heat steam |
| CN107799714A (en) * | 2016-09-06 | 2018-03-13 | 深圳格林德能源有限公司 | Rapid draing water-eliminating method before polymer Li-ion battery fluid injection |
| CN207515359U (en) * | 2017-11-07 | 2018-06-19 | 深圳市美雅洁技术股份有限公司 | A kind of intelligent low-temperature vacuum shelf dryer |
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| CN109210922B (en) | 2021-01-22 |
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