CN109738424A - A kind of air real-time detection method - Google Patents
A kind of air real-time detection method Download PDFInfo
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- CN109738424A CN109738424A CN201811651583.9A CN201811651583A CN109738424A CN 109738424 A CN109738424 A CN 109738424A CN 201811651583 A CN201811651583 A CN 201811651583A CN 109738424 A CN109738424 A CN 109738424A
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Abstract
A kind of air real-time detection method includes the following steps: Step 1: preparing the inlet chamber of a variable volume；Step 2: substance in inlet chamber is emptied；Step 3: injecting absorbing liquid in inlet chamber；Step 4: admitting air into inlet chamber；Step 5: inlet chamber internal volume is become smaller, increase pressure；Step 6: absorbing liquid in inlet chamber is taken out and is detected after pressurization pressure maintaining.The present invention is on the basis of conventional suction liquid measures, environmental pressure is increased, substantially increase infiltration rate, function of increasing pressure is realized by hydraulic system, pressure is more accurate, to prevent hydraulic medium from mixing with absorbing liquid, provided with separate cavities, and it is greater than the hydraulic medium of water using specific gravity, even if hydraulic medium, which breaks through first layer sealing, is sunken to bottom of chamber since specific gravity is larger into separate cavities, absorbing liquid will not be polluted, the variable condition and internal leakage problem of absorbing liquid can be observed at any time using the ontology of transparent material.
Description
Technical field
The present invention relates to a kind of gas-detecting device, in particular to a kind of air real-time detection method.
Background technique
Nowadays, since the requirement to safety is gradually increased, in large-scale office or business place, air detection equipment quilt
It is widely applied.Existing air detection means are to be examined using spectrum analysis, ion mobility spectrometry, or using absorbing liquid absorption
It surveys, spectrum analysis and ionic migration spectrum detection equipment cost are high, are not suitable for large-scale application, although absorbing liquid measures cost advantage
Greatly, but since infiltration rate can not ensure, lead to detect that speed is slow, low precision, be not suitable for the wider real-time monitoring of range.
Summary of the invention
In view of the deficiencies of the prior art, the present invention a kind of detection speed is provided fast, air detecting device with high accuracy.
The technical solution adopted by the present invention is that: a kind of air real-time detection method, it is characterized in that: including the following steps:
Step 1: preparing the inlet chamber of a variable volume；
Step 2: substance in inlet chamber is emptied；
Step 3: injecting absorbing liquid in inlet chamber；
Step 4: admitting air into inlet chamber；
Step 5: inlet chamber internal volume is become smaller, increase pressure；
Step 6: absorbing liquid in inlet chamber is taken out and is detected after pressurization pressure maintaining.
A kind of air real-time detection method, it is characterized in that: inlet chamber pressure increases same in the step 5
When, its pressure is monitored, when reaching specified numerical value, stops pressurization and pressure maintaining.
A kind of air real-time detection method, it is characterized in that: the inlet chamber is set in ontology, the ontology is perpendicular
It is straight to be arranged, first piston, second piston are from top to bottom set gradually in the ontology, two-piston will be divided into three in ontology
Chamber, from top to bottom respectively inlet chamber, separate cavities and booster cavity, the bodies top are provided with air inlet, exhaust outlet, it is described into
Port, exhaust outlet are connected to the inlet chamber, and the two-piston is matched with First piston bar, second piston bar respectively, and described
One piston rod is set in the second piston and second piston bar, and the first piston top surface is provided with the first inlet and
The second inlet and the second leakage fluid dram is arranged in one leakage fluid dram, second piston top surface, and each feed liquor, leakage fluid dram are by being set to each piston
And corresponding runner is connected to outside in piston rod, hydraulic port, the hydraulic port and the booster cavity is arranged in the body bottom portion
Connection, the air inlet are provided with Pneumatic check valve, and electric gate valve is arranged in the exhaust outlet, and pressure is surveyed in the bodies top setting
Mouthful, the pressure tap is matched with pressure transmitter, and the hydraulic port is matched with hydraulic system, described in the pressure transmitter control
The opening and closing of hydraulic system, the ontology use transparent material.
In step 2, before being detected, hydraulic system fuel feeding into booster cavity, push first piston, second piston to
Upper movement, until first piston is contacted with ontology inner top surface, so that inlet chamber be emptied.
A kind of air real-time detection method, it is characterized in that: after filling liquid, hydraulic system is to increasing in step 4
Intracavitary oil pumping is pressed, first piston moves downward, and inlet chamber volume becomes larger, and outside air enters inlet chamber due to negative pressure.
A kind of air real-time detection method, it is characterized in that: after air inlet, hydraulic system is again in step 5
To fuel feeding in booster cavity, first piston is moved upwards, and inlet chamber volume constantly becomes smaller, and internal pressure is gradually increased, according to detection
Project and detection gas relevant nature set a pressure values, and when pressure reaches setting value, pressure transmitter transmits signal, make
Hydraulic system stops working, into state of pressure keeping.
A kind of air real-time detection method commutates it is characterized in that: obtaining reversal valve electromagnet electric in step 6
Valve is opened, and absorbing liquid is entered in detection container by the first leakage fluid dram, detected.
A kind of air real-time detection method, it is characterized in that: the ontology uses transparent material, the Ontology Matching
There is camera, the camera connects display；In step 6, the real-time pictures that camera is passed back are monitored by display, are passed through
Whether absorbing liquid, which changes colour, in real-time pictures judges testing result.
Environmental pressure is increased on the basis of conventional suction liquid measures, substantially increases infiltration rate by the present invention, is pressurized
Function realizes that pressure is more accurate by hydraulic system, to prevent hydraulic medium from mixing with absorbing liquid, is provided with separate cavities, and
And it is greater than the hydraulic medium of water using specific gravity, and even if hydraulic medium breaks through first layer, sealing enters separate cavities, since specific gravity is larger,
It is sunken to bottom of chamber, absorbing liquid will not be polluted, the variable condition of absorbing liquid can be observed at any time using the ontology of transparent material and inside is let out
Dew problem.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is 2 schematic diagram of use state of the present invention；
Fig. 3 is 3 schematic diagram of use state of the present invention；
Fig. 4 is 4 schematic diagram of use state of the present invention；
Fig. 5 is 5 schematic diagram of use state of the present invention；
Fig. 6 is camera schematic view of the mounting position of the present invention；
Fig. 7 is camera of the present invention and display attachment structure schematic diagram；
In figure: 1- ontology, 11- air inlet, 12- exhaust outlet, 13- hydraulic port, 14- Pneumatic check valve, 15- electric gate valve, 16- are surveyed
Press mouth, 17- pressure transmitter, 2- first piston, the first inlet of 21-, the first leakage fluid dram of 22-, 23- First piston bar, 24- liquid
Pressure check valve, 25- reversal valve, 3- second piston, the second inlet of 31-, the second leakage fluid dram of 32-, 33- second piston bar, 4- are living
Stopper rod, 5- inlet chamber, 6- separate cavities, 7- booster cavity.
Specific embodiment
A kind of air real-time detection method is realized by device as shown in Figure 1, including ontology 1, first piston 2, and second is living
Plug 3, piston rod 4, ontology 1 is vertically arranged, and first piston 2, second piston 3 are set in ontology 1, and first piston 2 is set to the
Two pistons, 3 top, forms inlet chamber 5, is formed between first piston 2 and second piston 3 between 2 top surface of first piston and ontology 1
Separate cavities 6 form booster cavity 7 between 3 bottom surface of second piston and ontology 1, first piston 2 is matched with First piston bar 23, and second
Piston 3 is matched with second piston bar 33, and First piston bar 23 is set in second piston and second piston bar, second piston bar 33
Lower part is pierced by ontology 1, and first piston 2, First piston bar 23, second piston 3, second piston bar 33 form " dry " font.
Air inlet 11, exhaust outlet 12 and pressure tap 16 are set at the top of ontology 1, and above-mentioned three mouthfuls are connected to inlet chamber 21, wherein
Air inlet 11 is provided with Pneumatic check valve 14, and exhaust outlet 12 is provided with electric gate valve 15, and pressure tap 16 is provided with pressure transmitter
17,1 bottom of ontology is provided with hydraulic port 13.
The first inlet 21 and the first leakage fluid dram 22 are opened in 2 top surface of first piston, and the second inlet 31 is opened in 3 top surface of second piston
With the second leakage fluid dram 32, each feed liquor, leakage fluid dram are connected to by being set in each piston and piston rod corresponding runner with outside,
In, the first inlet 21 connects hydraulically-controlled one-way valve 24, and the first liquid outlet connects reversal valve 25, and reversal valve 25 is bi-bit bi-pass electromagnetism
Reversal valve.
For device in use, hydraulic port 13 connects hydraulic system, 22 connecting detection container of the first leakage fluid dram, separate cavities 6 fill steaming
Distilled water.
As shown in Fig. 2, before being detected, hydraulic system fuel feeding into booster cavity 7 pushes first piston, second piston
It moves upwards, until first piston is contacted with ontology inner top surface, so that inlet chamber 5 be emptied.As shown in figure 3, by first into
Absorbing liquid is filled at the mouth of a river into inlet chamber.As shown in figure 4, after filling liquid, hydraulic system in booster cavity 7 to pumping, first piston
It moves downward, inlet chamber volume becomes larger, and outside air enters inlet chamber due to negative pressure.As shown in figure 5, after air inlet, it is hydraulic
System is again to fuel feeding in booster cavity 7, and first piston moves upwards, and inlet chamber volume constantly becomes smaller, and internal pressure is gradually increased,
A pressure values can be set according to detection project and detection gas relevant nature in advance, when pressure reaches setting value, pressure becomes
It send device to transmit signal, hydraulic system is made to stop working, into state of pressure keeping, in a high voltage state, detect the related gas in air
Body can be quickly absorbed, and later, 25 electromagnet of reversal valve obtains electric, and absorbing liquid is entered in detection container by the first leakage fluid dram.
25 electromagnet power loss of reversal valve after drain, electric gate valve 15 are opened, and hydraulic system continues to fill into booster cavity
Liquid pushes first piston to top, empties gas-liquid in inlet chamber, that is, return to state as shown in Figure 2, in case detect next time.
As shown in Figure 6,7, transparent material can be used in ontology 1, and ontology 1 matches camera 8, and camera 8 connects display 9,
Absorbing liquid realtime graphic in 1 inlet chamber of ontology is transmitted to display 9 and shown by camera 8, when being monitored on a large scale, if will
Dry ontology is set to different location, its real-time pictures is sent to display by the matched camera of each ontology institute, and same aobvious
Show that device can be monitored multiple cameras, if there is absorbing liquid to have obvious reaction, can directly alarm, without waiting for detection knot
Fruit.
Claims (7)
1. a kind of air real-time detection method, it is characterized in that: including the following steps:
Step 1: preparing the inlet chamber of a variable volume；
Step 2: substance in inlet chamber is emptied；
Step 3: injecting absorbing liquid in inlet chamber；
Step 4: admitting air into inlet chamber；
Step 5: inlet chamber internal volume is become smaller, increase pressure；
Step 6: absorbing liquid in inlet chamber is taken out and is detected after pressurization pressure maintaining.
2. a kind of air real-time detection method according to claim 1, it is characterized in that: in the step 5, inlet chamber pressure
While strong increase, its pressure is monitored, when reaching specified numerical value, stops pressurization simultaneously pressure maintaining.
3. a kind of air real-time detection method according to claim 2, it is characterized in that: the inlet chamber is set to ontology
Interior, the ontology is vertically arranged, and from top to bottom sets gradually first piston, second piston in the ontology, and two-piston is by ontology
Inside be divided into three chambers, from top to bottom respectively inlet chamber, separate cavities and booster cavity, the bodies top be provided with air inlet,
Exhaust outlet, the air inlet, exhaust outlet are connected to the inlet chamber, and the two-piston is matched with First piston bar, second respectively
Piston rod, the First piston bar are set in the second piston and second piston bar, and the first piston top surface is provided with
The second inlet and the second leakage fluid dram is arranged in first inlet and the first leakage fluid dram, second piston top surface, and each feed liquor, leakage fluid dram are logical
It crosses and is set in each piston and piston rod corresponding runner and be connected to outside, the body bottom portion setting hydraulic port is described hydraulic
Mouth is connected to the booster cavity, and the air inlet is provided with Pneumatic check valve, and electric gate valve, the ontology is arranged in the exhaust outlet
Pressure tap is arranged in top, and the pressure tap is matched with pressure transmitter, and the hydraulic port is matched with hydraulic system, and the pressure becomes
The opening and closing for sending device to control the hydraulic system, the ontology use transparent material；
In step 2, before being detected, hydraulic system fuel feeding into booster cavity pushes first piston, second piston to transport upwards
It is dynamic, until first piston is contacted with ontology inner top surface, so that inlet chamber be emptied.
4. a kind of air real-time detection method according to claim 3, it is characterized in that: in step 4, after filling liquid, liquid
To pumping in booster cavity, first piston moves downward pressure system, and inlet chamber volume becomes larger, and outside air enters air inlet due to negative pressure
Chamber.
5. a kind of air real-time detection method according to claim 4, it is characterized in that: in step 5, after air inlet, liquid
Again to fuel feeding in booster cavity, first piston moves upwards pressure system, and inlet chamber volume constantly becomes smaller, and internal pressure gradually increases
Greatly, a pressure values, when pressure reaches setting value, pressure transmitter are set according to detection project and detection gas relevant nature
Signal is transmitted, so that hydraulic system is stopped working, into state of pressure keeping.
6. a kind of air real-time detection method according to claim 5, it is characterized in that: making reversal valve electromagnetism in step 6
Iron obtains electric, and reversal valve is opened, and absorbing liquid entered in detection container by the first leakage fluid dram, detected.
7. a kind of air real-time detection method according to claim 6, it is characterized in that: the ontology uses transparent material,
The Ontology Matching has camera, and the camera connects display；In step 6, monitor what camera was passed back by display
Real-time pictures judge testing result by the way that whether absorbing liquid in real-time pictures changes colour.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811651583.9A CN109738424B (en) | 2018-12-31 | 2018-12-31 | Air real-time detection method |
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| CN201811651583.9A CN109738424B (en) | 2018-12-31 | 2018-12-31 | Air real-time detection method |
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| CN109738424A true CN109738424A (en) | 2019-05-10 |
| CN109738424B CN109738424B (en) | 2022-02-01 |
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| CN102330716A (en) * | 2011-10-13 | 2012-01-25 | 苏州工业园区华焊科技有限公司 | Four-air-chamber cylinder provided with two linear strokes |
| CN104007081A (en) * | 2014-05-29 | 2014-08-27 | 江苏物联网研究发展中心 | Gas detection device, gas detection system and gas detection method |
| CN105443459A (en) * | 2015-12-27 | 2016-03-30 | 天津尚吉液压设备有限公司 | Automatic adjusting gas-liquid pressure cylinder |
| CN205620186U (en) * | 2015-11-24 | 2016-10-05 | 胡勇 | Gas collection device |
| CN106066322A (en) * | 2016-05-25 | 2016-11-02 | 昆明冶研新材料股份有限公司 | Measure the method for Phosphine content in gas to be measured |
| CN107345889A (en) * | 2016-05-05 | 2017-11-14 | 赵东洋 | A kind of experimental provision for determining gas solubility |
| CN207074174U (en) * | 2017-07-28 | 2018-03-06 | 江苏恩测检测技术有限公司 | A kind of air quality detector |
| CN208194144U (en) * | 2018-04-17 | 2018-12-07 | 沧州鸿天朗洁环保科技有限公司 | A kind of dynamic booster-type gas-liquid ratio mixed dissolution device |
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2018
- 2018-12-31 CN CN201811651583.9A patent/CN109738424B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330716A (en) * | 2011-10-13 | 2012-01-25 | 苏州工业园区华焊科技有限公司 | Four-air-chamber cylinder provided with two linear strokes |
| CN104007081A (en) * | 2014-05-29 | 2014-08-27 | 江苏物联网研究发展中心 | Gas detection device, gas detection system and gas detection method |
| CN205620186U (en) * | 2015-11-24 | 2016-10-05 | 胡勇 | Gas collection device |
| CN105443459A (en) * | 2015-12-27 | 2016-03-30 | 天津尚吉液压设备有限公司 | Automatic adjusting gas-liquid pressure cylinder |
| CN107345889A (en) * | 2016-05-05 | 2017-11-14 | 赵东洋 | A kind of experimental provision for determining gas solubility |
| CN106066322A (en) * | 2016-05-25 | 2016-11-02 | 昆明冶研新材料股份有限公司 | Measure the method for Phosphine content in gas to be measured |
| CN207074174U (en) * | 2017-07-28 | 2018-03-06 | 江苏恩测检测技术有限公司 | A kind of air quality detector |
| CN208194144U (en) * | 2018-04-17 | 2018-12-07 | 沧州鸿天朗洁环保科技有限公司 | A kind of dynamic booster-type gas-liquid ratio mixed dissolution device |
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