CN106773881A - A kind of gas in container method for monitoring state, apparatus and system - Google Patents
A kind of gas in container method for monitoring state, apparatus and system Download PDFInfo
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- CN106773881A CN106773881A CN201510810898.3A CN201510810898A CN106773881A CN 106773881 A CN106773881 A CN 106773881A CN 201510810898 A CN201510810898 A CN 201510810898A CN 106773881 A CN106773881 A CN 106773881A
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- oxygen content
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
This application discloses a kind of gas in container method for monitoring state, apparatus and system, method includes：Processor obtains oxygen content value and atmospheric pressure value in the target container of sensor collection, and then carry out size contrast with preset oxygen content critical value, air pressure critical value, obtain the gentle pressure comparison of oxygen content comparison, the operation strategy corresponding with the combination of the oxygen content comparison and the air pressure comparison is finally inquired about, and performs the operation strategy for inquiring.The application is compared by sensor monitor in real time gas in container oxygen content and atmospheric pressure value with critical value set in advance, and then performs corresponding operation strategy, reaches monitor in real time, at any time by the purpose of Developing Tactics, it is ensured that the safety of powder storage.
Description
Technical field
The application is related to electric power underlying device technologies field, more specifically to a kind of gas in container
Method for monitoring state, apparatus and system.
Background technology
Powder metallurgy product is widely applied in modern science and technology, for example：Space industry, navigational field etc..
At present for powder metallurgy product when powder is deposited, use in sealing container mostly and be filled with the inertia such as nitrogen
The mode of gas.
It is typically regular by operating personnel in the prior art in order to ensure that powder is stored in hypoxemia positive pressure environment
Hold gas detection equipment and check air pressure and topping up in container.But, operating personnel are to container
It is ageing not strong that interior gas station is monitored, it is more likely that is just sent out in container generation leakage a very long time
Existing problem, it is impossible to enough to take relative strategy in time, increases the risk of Powder Oxidation in container.
The content of the invention
In view of this, this application provides a kind of gas in container method for monitoring state, apparatus and system,
For solving Powder Oxidation risk in the ageing low, container of monitoring existing for the mode of existing manual detection
Problem high.
To achieve these goals, it is proposed that scheme it is as follows：
A kind of gas in container method for monitoring state, including：
Obtain the oxygen content value and atmospheric pressure value in the target container of sensor collection, the target container internal memory
Contain hypoxemia powder；
The oxygen content value is contrasted to face with preset oxygen content critical value, the atmospheric pressure value and preset air pressure
The size of dividing value, obtains the gentle pressure comparison of oxygen content comparison；
The inquiry operation plan corresponding with the combination of the oxygen content comparison and the air pressure comparison
Omit, and perform the operation strategy for inquiring.
Preferably, the operation strategy includes that buzzer warning, LED are lighted and topping up, institute
State the corresponding relation bag between the combination of oxygen content comparison and the air pressure comparison and operation strategy
Include：
When oxygen content is less than air pressure critical value less than oxygen content critical value, atmospheric pressure value, control buzzer is not
Work, LED are in OFF state, inert gas switch valve and are in open mode.
Preferably, between the combination of the oxygen content comparison and the air pressure comparison and operation strategy
Corresponding relation also include：
When oxygen content is more than air pressure critical value less than oxygen content critical value, atmospheric pressure value, control buzzer is not
Work, LED are in OFF state, inert gas switch valve and are closed.
Preferably, between the combination of the oxygen content comparison and the air pressure comparison and operation strategy
Corresponding relation also include：
When oxygen content is less than air pressure critical value more than oxygen content critical value, atmospheric pressure value, control buzzer is not
Work, LED are in illuminating state, inert gas switch valve and are in open mode.
Preferably, between the combination of the oxygen content comparison and the air pressure comparison and operation strategy
Corresponding relation also include：
When oxygen content is more than air pressure critical value more than oxygen content critical value, atmospheric pressure value, buzzer work is controlled
Make, LED is in illuminating state, inert gas switch valve and is closed.
A kind of gas in container state monitoring device, including：
Data capture unit, for oxygen content value and atmospheric pressure value in the target container for obtaining sensor collection,
The target container internal memory contains hypoxemia powder；
Data Computation Unit, for contrasting the oxygen content value with preset oxygen content critical value, the gas
Pressure value and the size of preset air pressure critical value, obtain the gentle pressure comparison of oxygen content comparison；
Strategy execution unit, for inquiring about and the oxygen content comparison and the air pressure comparison
The corresponding operation strategy of combination, and perform the operation strategy for inquiring.
A kind of gas in container condition monitoring system, including：
Sensor and single-chip microcomputer, wherein,
The sensor is used for, oxygen content value and atmospheric pressure value in collection target container, the target container
Internal memory contains hypoxemia powder；
The single-chip microcomputer is used for, and receives the oxygen content value and atmospheric pressure value of the sensor collection, and contrast is described
Oxygen content value and preset oxygen content critical value, the size of the atmospheric pressure value and preset air pressure critical value,
Obtain the gentle pressure comparison of oxygen content comparison, inquiry and the oxygen content comparison and the gas
The operation strategy for pressing the combination of comparison corresponding, and perform the operation strategy for inquiring.
Preferably, the sensor includes zirconium oxide, titanium oxide formula oxygen sensor, pressure-sensitive silicon fiml formula gas
Pressure sensor.
Preferably, the single-chip microcomputer is Arduino pro mini single-chip microcomputers.
It can be seen from above-mentioned technical scheme that, the gas in container condition monitoring that the embodiment of the present application is provided
Method, processor obtain sensor collection target container in oxygen content value and atmospheric pressure value, and then with it is pre-
The oxygen content critical value put, air pressure critical value carry out size contrast, obtain oxygen content comparison and air pressure
Comparison, finally inquires about relative with the combination of the oxygen content comparison and the air pressure comparison
The operation strategy answered, and perform the operation strategy for inquiring.The application passes through sensor monitor in real time container
The interior gentle pressure value of gas oxygen content, and compare with critical value set in advance, and then perform corresponding
Operation strategy, reaches monitor in real time, at any time by the purpose of Developing Tactics, it is ensured that the safety of powder storage.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to reality
The accompanying drawing to be used needed for example or description of the prior art is applied to be briefly described, it should be apparent that, below
Accompanying drawing in description is only embodiments herein, for those of ordinary skill in the art, not
On the premise of paying creative work, other accompanying drawings can also be obtained according to the accompanying drawing for providing.
Fig. 1 is a kind of gas in container method for monitoring state flow chart disclosed in the embodiment of the present application；
Fig. 2 is a kind of gas in container state monitoring device structural representation disclosed in the embodiment of the present application；
Fig. 3 is a kind of single-chip microcomputer wiring schematic diagram of the embodiment of the present application example.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out
Clearly and completely describe, it is clear that described embodiment is only some embodiments of the present application, and
It is not all, of embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of the application protection.
First, scheme is introduced from the angle of processor.Processor can be single-chip microcomputer, its with set
The sensor put in container sets up communication.Referring to Fig. 1, Fig. 1 is a kind of disclosed in the embodiment of the present application appearance
Gaseous state monitoring method flow chart in device.
As shown in figure 1, the method includes：
Step S100, the oxygen content value and atmospheric pressure value obtained in the target container of sensor collection, the mesh
Mark container memory storage has hypoxemia powder；
Specifically, sensor can be set in target container, it is gentle with the oxygen content value in collection container
Pressure value.Sensor can be zirconium oxide, titanium oxide formula oxygen sensor, pressure-sensitive silicon fiml formula baroceptor.
Step S110, contrast the oxygen content value and preset oxygen content critical value, the atmospheric pressure value with it is pre-
The size of the air pressure critical value put, obtains the gentle pressure comparison of oxygen content comparison；
Specifically, the application can determine oxygen content critical value and air pressure critical value beforehand through experiment, enter
And processor can face when the oxygen content value and atmospheric pressure value of sensor transmission is received with advance oxygen content
Dividing value and air pressure critical value carry out size contrast, obtain the gentle pressure comparison of oxygen content comparison.Its
In, oxygen content comparison shows that the oxygen content value of sensor collection is big with preset oxygen content critical value
Small relation；Air pressure comparison shows the atmospheric pressure value of sensor collection and the size of preset air pressure critical value
Relation.
Step S120, inquiry are relative with the combination of the oxygen content comparison and the air pressure comparison
The operation strategy answered, and perform the operation strategy for inquiring.
Specifically, the application has preset the combination of oxygen content comparison and air pressure comparison, with
Corresponding relation between operation strategy, and then obtain the gentle pressure comparison of oxygen content comparison in contrast
Afterwards, corresponding operation strategy is inquired about, and performs the operation strategy for inquiring.
Optionally, operation strategy can including buzzer warning, LED light and topping up etc..
The gas in container method for monitoring state that the embodiment of the present application is provided, processor obtains sensor collection
Target container in oxygen content value and atmospheric pressure value, it is and then critical with preset oxygen content critical value, air pressure
Value carries out size contrast, obtains the gentle pressure comparison of oxygen content comparison, finally inquires about and the oxygen
The comparision contents relation operation strategy corresponding with the combination of the air pressure comparison, and execution inquire
Operation strategy.The application by sensor monitor in real time gas in container oxygen content and atmospheric pressure value, and with
Critical value set in advance is compared, and then performs corresponding operation strategy, reach monitor in real time, with
When by Developing Tactics purpose, it is ensured that powder storage safety.
In another embodiment of the application, oxygen content critical value is introduced true with the experiment of air pressure critical value
Determine process.
The measuring process of oxygen content (PPM) is introduced first：
The powder of certain mass is spread out and is stored in different oxygen environment, by oxygen analyser monitoring experiment
During oxygen content, resting period T be (the resting period t*130% of technological requirement), reach the resting period
After T, the powder is pressed into blank, blank performance and oxygen content are tested after sintering, chosen performance and oxygen contains
Amount meets one oxygen content of storage environment oxygen content highest of quality requirements, used as oxygen content critical value.
Secondly, the measuring process of air pressure critical value (MPa) is introduced：
Air pressure critical value is that inert gas is filled with container, reaches container during oxygen content critical value/130%
Interior air pressure.
For example, existing a collection of hypoxemia NdFeB powder, the resting period of technological requirement is 48h, performance requirement
Br≥12.8kGs；Hcj≥17.5kOe；O%≤2500PPM.
Take respectively 400g powder spread out be positioned over oxygen content 5000PPM, 10000PPM, 20000PPM,
In the glove box of 30000PPM, 50000PPM, glove box sealing, and there is the internal oxygen of oxygen analyser monitoring to contain
Amount.5 groups of powder are placed into 48h*130%=62h, during ensure in glove box oxygen content and setting value difference
Different≤1000PPM, takes out the blank block that powder is suppressed into same specification, by after sintering circuit after 62h
The blank magnetic property and oxygen content of the different storage environments of sampling and testing correspondence, the result form listed are as follows：
According to performance requirement, selected oxygen content critical value is：20000PPM.
According to selected oxygen content critical value, container is sealed after being filled with inert gas deoxygenation to storing containers,
Persistently be filled with inert gas, during using oxygen content in oxygen analyser monitoring of containers, oxygen content reaches in container
During to oxygen content critical value 20000/130%, stopping is filled with inert gas, is measured using hand pneumatic table
Air pressure is 0.08MPa in current container.
In another embodiment of the application, the combination of the gentle pressure comparison of oxygen content comparison is introduced
Corresponding relation between operation strategy.
In the present embodiment, we include that indifferent gas is lighted and supplemented to buzzer warning, LED with operation strategy
Body is illustrated as a example by these three.
Corresponding relation can be with example as table 1 below：
| Oxygen content situation | ＜ critical values | ＜ critical values | ＞ critical values | ＞ critical values |
| Pressure condition | ＜ critical values | ＞ critical values | ＜ critical values | ＞ critical values |
| Buzzer | Do not ring | Do not ring | Do not ring | Ring |
| LED | Go out | Go out | It is bright | It is bright |
| Magnetic valve | Open | Close | Open | Close |
Table 1
Next the corresponding relation to the example of upper table 1 carries out character introduction：
Corresponding to the first oxygen content in table 1 and air pressure syntagmatic：
When oxygen content is less than air pressure critical value less than oxygen content critical value, atmospheric pressure value, control buzzer is not
Work (namely buzzer does not ring), LED are in OFF state, inert gas switch valve and are in open shape
State (when switch valve is in open mode, continues to topping up in container).
Corresponding to second oxygen content in table 1 and air pressure syntagmatic：
When oxygen content is more than air pressure critical value less than oxygen content critical value, atmospheric pressure value, control buzzer is not
Work, LED are in OFF state, inert gas switch valve and are closed.
Corresponding to the third oxygen content in table 1 and air pressure syntagmatic：
When oxygen content is less than air pressure critical value more than oxygen content critical value, atmospheric pressure value, control buzzer is not
Work, LED are in illuminating state, inert gas switch valve and are in open mode.
Corresponding to the 4th kind of oxygen content in table 1 and air pressure syntagmatic：
When oxygen content is more than air pressure critical value more than oxygen content critical value, atmospheric pressure value, buzzer work is controlled
Make, LED is in illuminating state, inert gas switch valve and is closed.
Certainly, above-mentioned corresponding relation is only a kind of mode of the application example, in addition may be used also
There are other corresponding relations.
The gas in container state monitoring device that the embodiment of the present application is provided is described below, is hereafter retouched
The gas in container state monitoring device stated can be mutual with above-described gas in container method for monitoring state
To should refer to.
Referring to Fig. 2, Fig. 2 is a kind of gas in container state monitoring device structure disclosed in the embodiment of the present application
Schematic diagram.
As shown in Fig. 2 the device includes：
Data capture unit 21, for oxygen content value and air pressure in the target container for obtaining sensor collection
Value, the target container internal memory contains hypoxemia powder；
Data Computation Unit 22, for contrasting the oxygen content value and preset oxygen content critical value, described
Atmospheric pressure value and the size of preset air pressure critical value, obtain the gentle pressure comparison of oxygen content comparison；
Strategy execution unit 23, for inquiring about and the oxygen content comparison and the air pressure comparison
The corresponding operation strategy of combination, and perform the operation strategy for inquiring.
The gas in container state monitoring device that the embodiment of the present application is provided can apply in processor, first
First obtain sensor collection target container in oxygen content value and atmospheric pressure value, and then with preset oxygen content
Critical value, air pressure critical value carry out size contrast, obtain the gentle pressure comparison of oxygen content comparison,
Finally inquire about the operation plan corresponding with the combination of the oxygen content comparison and the air pressure comparison
Omit, and perform the operation strategy for inquiring.The application is contained by sensor monitor in real time gas in container oxygen
Amount and atmospheric pressure value, and compare with critical value set in advance, and then corresponding operation strategy is performed,
Reach monitor in real time, at any time by the purpose of Developing Tactics, it is ensured that powder storage safety.
Present invention also provides a kind of gas in container condition monitoring system.
Monitoring system includes：
Sensor and single-chip microcomputer, wherein,
The sensor is used for, oxygen content value and atmospheric pressure value in collection target container, the target container
Internal memory contains hypoxemia powder；
The single-chip microcomputer is used for, and receives the oxygen content value and atmospheric pressure value of the sensor collection, and contrast is described
Oxygen content value and preset oxygen content critical value, the size of the atmospheric pressure value and preset air pressure critical value,
Obtain the gentle pressure comparison of oxygen content comparison, inquiry and the oxygen content comparison and the gas
The operation strategy for pressing the combination of comparison corresponding, and perform the operation strategy for inquiring.
Optionally, the sensor can include zirconium oxide, titanium oxide formula oxygen sensor, pressure-sensitive silicon fiml
Formula baroceptor.
Optionally, the single-chip microcomputer can be Arduino pro mini single-chip microcomputers.
Next, referring to Fig. 3, Fig. 3 is a kind of single-chip microcomputer wiring schematic diagram of the embodiment of the present application example.
As shown in Figure 3：
Oxygen level sensor 301 and baroceptor 302 are installed in storing containers 300, with storing containers
300 internal cavity UNICOMs, storing containers internal memory contains powder.
Two input interfaces of sensor are connected with the 5V interfaces of single-chip microcomputer 303, obtain positive voltage, and gnd connects
Mouthful it is connected with the gnd interfaces of single-chip microcomputer 303, the out interfaces of oxygen level sensor 301 and the mould of single-chip microcomputer 403
Intend input 0 interface connection, the out interfaces of baroceptor 302 connect with the interface of simulation input 1 of single-chip microcomputer 303
Connect.
Inert gas switch electromagnetic valve 304, buzzer 305, LED 306 are connected to single-chip microcomputer 303
Digital interface 10,12,11 on, these three digital interfaces are set to output mode in SCM program,
According to program setting, different oxygen contents and air pressure input condition can make three interfaces export high and low level,
So that buzzer warning or do not alarm, LED is bright or do not work, magnetic valve on or off.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms
It is used merely to make a distinction an entity or operation with another entity or operation, and not necessarily requires
Or imply between these entities or operation there is any this actual relation or order.And, art
Language " including ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that
So that process, method, article or equipment including a series of key elements not only include those key elements, and
Also include other key elements for being not expressly set out, or also include for this process, method, article or
The intrinsic key element of person's equipment.In the absence of more restrictions, by sentence "including a ..."
The key element of restriction, it is not excluded that also deposited in the process including the key element, method, article or equipment
In other identical element.
Each embodiment is described by the way of progressive in this specification, and each embodiment is stressed
The difference with other embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use
The application.Various modifications to these embodiments will be for those skilled in the art aobvious and easy
See, generic principles defined herein can in the case where spirit herein or scope is not departed from,
Realize in other embodiments.Therefore, the application is not intended to be limited to the embodiments shown herein,
And it is to fit to the most wide scope consistent with principles disclosed herein and features of novelty.
Claims (9)
1. a kind of gas in container method for monitoring state, it is characterised in that including：
Obtain the oxygen content value and atmospheric pressure value in the target container of sensor collection, the target container internal memory
Contain hypoxemia powder；
The oxygen content value is contrasted to face with preset oxygen content critical value, the atmospheric pressure value and preset air pressure
The size of dividing value, obtains the gentle pressure comparison of oxygen content comparison；
The inquiry operation plan corresponding with the combination of the oxygen content comparison and the air pressure comparison
Omit, and perform the operation strategy for inquiring.
2. method according to claim 1, it is characterised in that the operation strategy includes buzzer
Alarm, LED are lighted and topping up, the oxygen content comparison and the air pressure comparison
Combination and operation strategy between corresponding relation include：
When oxygen content is less than air pressure critical value less than oxygen content critical value, atmospheric pressure value, control buzzer is not
Work, LED are in OFF state, inert gas switch valve and are in open mode.
3. method according to claim 2, it is characterised in that the oxygen content comparison and institute
The corresponding relation stated between the combination of air pressure comparison and operation strategy also includes：
When oxygen content is more than air pressure critical value less than oxygen content critical value, atmospheric pressure value, control buzzer is not
Work, LED are in OFF state, inert gas switch valve and are closed.
4. method according to claim 2, it is characterised in that the oxygen content comparison and institute
The corresponding relation stated between the combination of air pressure comparison and operation strategy also includes：
When oxygen content is less than air pressure critical value more than oxygen content critical value, atmospheric pressure value, control buzzer is not
Work, LED are in illuminating state, inert gas switch valve and are in open mode.
5. method according to claim 2, it is characterised in that the oxygen content comparison and institute
The corresponding relation stated between the combination of air pressure comparison and operation strategy also includes：
When oxygen content is more than air pressure critical value more than oxygen content critical value, atmospheric pressure value, buzzer work is controlled
Make, LED is in illuminating state, inert gas switch valve and is closed.
6. a kind of gas in container state monitoring device, it is characterised in that including：
Data capture unit, for oxygen content value and atmospheric pressure value in the target container for obtaining sensor collection,
The target container internal memory contains hypoxemia powder；
Data Computation Unit, for contrasting the oxygen content value with preset oxygen content critical value, the gas
Pressure value and the size of preset air pressure critical value, obtain the gentle pressure comparison of oxygen content comparison；
Strategy execution unit, for inquiring about and the oxygen content comparison and the air pressure comparison
The corresponding operation strategy of combination, and perform the operation strategy for inquiring.
7. a kind of gas in container condition monitoring system, it is characterised in that including：
Sensor and single-chip microcomputer, wherein,
The sensor is used for, oxygen content value and atmospheric pressure value in collection target container, the target container
Internal memory contains hypoxemia powder；
The single-chip microcomputer is used for, and receives the oxygen content value and atmospheric pressure value of the sensor collection, and contrast is described
Oxygen content value and preset oxygen content critical value, the size of the atmospheric pressure value and preset air pressure critical value,
Obtain the gentle pressure comparison of oxygen content comparison, inquiry and the oxygen content comparison and the gas
The operation strategy for pressing the combination of comparison corresponding, and perform the operation strategy for inquiring.
8. system according to claim 7, it is characterised in that the sensor include zirconium oxide,
Titanium oxide formula oxygen sensor, pressure-sensitive silicon fiml formula baroceptor.
9. system according to claim 7, it is characterised in that the single-chip microcomputer is Arduino pro
Mini single-chip microcomputers.
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| CN111496850A (en) * | 2020-03-20 | 2020-08-07 | 上海谦闻智能科技有限公司 | Energy-saving device for glove box and glove box |
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Application publication date: 20170531 |