CN109116008A - A kind of C4F7The toxicity test device of N gas - Google Patents
A kind of C4F7The toxicity test device of N gas Download PDFInfo
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- CN109116008A CN109116008A CN201810703457.7A CN201810703457A CN109116008A CN 109116008 A CN109116008 A CN 109116008A CN 201810703457 A CN201810703457 A CN 201810703457A CN 109116008 A CN109116008 A CN 109116008A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/5005—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells
- G01N33/5008—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells for testing or evaluating the effect of chemical or biological compounds, e.g. drugs, cosmetics
- G01N33/5014—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells for testing or evaluating the effect of chemical or biological compounds, e.g. drugs, cosmetics for testing toxicity
Abstract
The present invention relates to insulating gas experimental technique fields, disclose a kind of C4F7The toxicity test device of N gas, including incubator, oxygen cylinder, nitrogen cylinder and C4F7N gas cylinder, incubator are equipped with air inlet and air outlet, the output end of oxygen cylinder, the output end of nitrogen cylinder and C4F7The output end of N gas cylinder is connected to air inlet respectively, to be passed through oxygen, nitrogen and C into incubator respectively4F7N gas.By the way that incubator is arranged, and make the output end and C of the output end of oxygen cylinder, nitrogen cylinder4F7The output end of N gas cylinder is connected to the air inlet of incubator respectively, to be passed through oxygen, nitrogen and C into incubator respectively4F7N gas, so that building in incubator has C4F7The environment of N gas makes it possible to the behavior situation by observing the subjects in incubator to judge C4F7Whether N gas has toxicity, and then realizes and using C4F7C is detected before N gas4F7The toxicity of N gas, thus it is ensured that the personal safety of personnel.
Description
Technical field
The present invention relates to insulating gas experimental technique fields, more particularly to a kind of C4F7The toxicity test device of N gas.
Background technique
SF6(sulfur hexafluoride) gas is a kind of colourless, tasteless, nontoxic, non-flammable inert gas, with it with excellent
Insulation characterisitic and be applied in power industry.Although SF6Gas is as insulation and arc-extinguishing medium in 110KV and the above voltage etc.
It occupies an leading position in the system of grade, still, SF6The GWP (Global Warming Potential, the latent value of greenhouse effects) of gas
It is 23900 times of carbon dioxide gas, with extremely strong greenhouse effects, thus " capital of a country was agreed in global warming in 1997
Book " in, SF6Gas is listed in one of six big greenhouse gases, meanwhile, limitation SF is also clearly proposed in " Paris agreement "6Gas makes
With.Therefore, people have been devoted to explore substitution SF6Environmentally friendly insulating gas.
In recent years, a kind of novel environment friendly insulating gas-C4F7N gas emerges, with excellent insulation performance.Normal
Pressure, C4F7N gas-insulated intensity is about SF6Twice, and the latent value of its greenhouse effects is about SF61/10th, C4F7N gas
Body has had both environment protecting and insulating capacity, therefore, C4F7N gas has great application prospect.But due to C4F7N gas
Molecular structure in contain cyano so that in C4F7During prepared by N gas, some toxic substance residual might have, and
C4F7N gas is when discharging or being thermally decomposed, it is also possible to generate and have virose decomposition product.Therefore, C is being used4F7N gas
When body, it is difficult to guarantee the safety of personnel, to limit C4F7The use of N gas.
Summary of the invention
The object of the present invention is to provide a kind of C4F7The toxicity test device of N gas, is able to detect C4F7The poison of N gas
Property, to guarantee the safety of personnel.
In order to solve the above technical problem, the present invention provides a kind of C4F7The toxicity test device of N gas, including incubator,
Oxygen cylinder, nitrogen cylinder and C4F7N gas cylinder, the incubator be equipped with air inlet and air outlet, the output end of the oxygen cylinder,
The output end and C of nitrogen cylinder4F7The output end of N gas cylinder is connected to the air inlet respectively, to be passed through respectively into the incubator
Oxygen, nitrogen and C4F7N gas.
Preferably, oxygen accounts for the 15%-25% of the mixed gas total volume in the incubator；Nitrogen and
C4F7N gas accounts for the 75%-85% of the mixed gas total volume in the incubator.
Preferably, the C4F7The toxicity test device of N gas further includes distributing instrument, the output of the oxygen cylinder
End is connected to the first input end of the distributing instrument；Second input terminal of the output end of the nitrogen cylinder and the distributing instrument connects
It is logical；The C4F7The output end of N gas cylinder is connected to the third input terminal of the distributing instrument；The output end of the distributing instrument with it is described
Air inlet connection.
Preferably, the C4F7The toxicity test device of N gas further includes flowmeter, the output of the distributing instrument
End is connected to the input terminal of the flowmeter, and the output end of the flowmeter is connected to the air inlet.
Preferably, the C4F7The toxicity test device of N gas further includes air inlet pipe, the output of the flowmeter
End is connected to by the air inlet pipe with the air inlet.
Preferably, the C4F7The toxicity test device of N gas further includes for detecting the pressure in the incubator
Power pressure gauge, the pressure gauge are connected to the incubator.
Preferably, the C4F7The toxicity test device of N gas further includes for recording the feelings in the incubator
The camera of condition, the camera are located at the outside of the incubator.
Preferably, the incubator includes incubator ontology and cover board, and the incubator ontology is equipped with opening,
The opening is by the cover plate closing.
Preferably, sealing ring is equipped between the opening and the contact position of the cover board.
Preferably, the incubator is made of organic glass.
The present invention provides a kind of C4F7The toxicity test device of N gas, including incubator, oxygen cylinder, nitrogen cylinder and
C4F7N gas cylinder, the incubator be equipped with air inlet and air outlet, the output end of the oxygen cylinder, the output end of nitrogen cylinder and
C4F7The output end of N gas cylinder is connected to the air inlet respectively, to be passed through oxygen, nitrogen and C into the incubator respectively4F7N
Gas.By the way that the incubator is arranged, and make the output end and C of the output end of oxygen cylinder, nitrogen cylinder4F7The output end of N gas cylinder point
It is not connected to the air inlet of the incubator, to be passed through oxygen, nitrogen and C into the incubator respectively4F7N gas, thus
Building in the incubator has C4F7The environment of N gas makes it possible to by observing the test in the incubator
The behavior situation of object judges C4F7Whether N gas has toxicity, and then realizes and using C4F7C is detected before N gas4F7N gas
The toxicity of body, thus it is ensured that the personal safety of personnel.
Detailed description of the invention
Fig. 1 is the C in the embodiment of the present invention4F7The structural schematic diagram of the toxicity test device of N gas；
Fig. 2 is the structural schematic diagram of the incubator in the embodiment of the present invention.
Wherein, 1, incubator；11, incubator ontology；12, cover board；13, air inlet；14, gas outlet；15, air inlet pipe；
16, escape pipe；2, oxygen cylinder；3, nitrogen cylinder；4,C4F7N gas cylinder；5, distributing instrument；6, flowmeter；7, pressure gauge；8, camera；
9, waterer；10, feeder.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In explanation of the invention, what the description in the orientation such as upper, lower, left, right, front and rear was defined both for Fig. 1,
As the C4F7When the modes of emplacement of the toxicity test device of N gas changes, the description in corresponding orientation also will be according to putting
It sets the change of mode and changes, this will not be repeated here by the present invention.
Referring to figs. 1 and 2, a kind of C of the preferred embodiment of the present invention4F7The toxicity test device of N gas, including training
Support case 1, oxygen cylinder 2, nitrogen cylinder 3 and C4F7N gas cylinder 4, the incubator 1 is equipped with air inlet 13 and gas outlet 14, described
The output end and C of the output end of oxygen cylinder 2, nitrogen cylinder 34F7The output end of N gas cylinder 4 is connected to the air inlet 13 respectively, to divide
Oxygen, nitrogen and C are not passed through into the incubator 14F7N gas；
Specifically, the output end of the oxygen cylinder 2 is connected to the air inlet 13, is led to realizing into the incubator 1
Enter oxygen；The output end of the nitrogen cylinder 3 is connected to the air inlet 13, to be passed through nitrogen into the incubator 1 to realization；
The C4F7The output end of N gas cylinder 4 is connected to the air inlet 13, is passed through C into the incubator 1 to realize4F7N gas.
In embodiments of the present invention, by the way that the incubator 1 is arranged, and make the output end of oxygen cylinder 2, nitrogen cylinder 3 it is defeated
Outlet and C4F7The output end of N gas cylinder 4 is connected to the air inlet 13 of the incubator 1 respectively, with respectively into the incubator 1
It is passed through oxygen, nitrogen and C4F7N gas, so that building in the incubator 1 has C4F7The environment of N gas, makes it possible to
It is enough to judge C by observing the behavior situation of the subjects in the incubator 14F7Whether N gas has toxicity, in turn
It realizes and is using C4F7C is detected before N gas4F7The toxicity of N gas, thus it is ensured that the personal safety of personnel.
In embodiments of the present invention, it should be noted that for detecting C in the present embodiment4F7The test of the toxicity of N gas
Object is small white mouse, is placed with waterer 9 and feeder 10 in the incubator 1, to maintain the normal activity of small white mouse, thus
Guarantee test is gone on smoothly.
As shown in Fig. 2, for the ease of being put into subjects into the incubator 1, the packet of incubator 1 described in the present embodiment
Incubator ontology 11 and cover board 12 are included, the incubator ontology 11 is equipped with opening, and the opening is closed by the cover board 12.It is logical
It crosses and the opening is set on the incubator ontology 11, in order to which subjects are put into the incubator by the opening
In 1；Meanwhile by the way that the cover board 12 is arranged, and it is closed the opening by the cover board 12, so that it is guaranteed that in detection C4F7N gas
During the toxicity of body, guarantee the air-tightness of the incubator 1.
It in embodiments of the present invention, is originally described in embodiment in order to further ensure that the hermetic seal in the incubator 1
Sealing ring (not shown) is equipped between opening and the contact position of the cover board 12.By in the opening and the cover board 12
Contact position between the sealing ring is set, thus detection C4F7During the toxicity of N gas, further ensure described
Hermetic seal in incubator 1.
In addition, the air inlet 13 and the gas outlet 14 are set on the incubator ontology 11.It should be noted that
The position that the air inlet 13 and the gas outlet 14 are set on the incubator ontology 11 can be set according to actual use situation
It sets, in order to guarantee the C in the incubator 14F7Mixed gas in the uniformity and the guarantee incubator 1 of the distribution of N gas
Mobility, air inlet 13 described in the present embodiment are oppositely arranged with the gas outlet 14, and specifically, the air inlet 13 is set to institute
On the right side for stating incubator ontology 11, the gas outlet 14 is set on the left side of the incubator ontology 11.In addition, the opening
Position on the incubator ontology 11 can also be according to actual use situation setting, for the ease of in the incubator 1
In be removed or placed into subjects, while the behavior situation of the subjects in the incubator 1 is observed convenient for testing crew, this
Opening described in embodiment is set on the front end of the incubator ontology 11.
In embodiments of the present invention, the shape of the opening and size can be according to actual use situation settings, only
It need to meet and guarantee to be put into or take out subjects in the incubator 1 by the opening.Preferably, this implementation
The shape of opening described in example is circle；The diameter of the opening is 10cm.
In embodiments of the present invention, the material of the incubator 1 can also only need to meet according to actual use situation setting
Culture experiment object is guaranteed, to realize detection C4F7The toxicity of N gas, and guarantee to observe subjects.In order to
Make to design and simplify the structure, to reduce cost, incubator 1 described in the present embodiment is made of organic glass；And it is described organic
Glass has good translucency.
In addition, the size of the incubator 1 can also be according to actual use situation setting.In order to further make to design and tie
Structure is simplified, to further reduce the cost, a length of 40cm of incubator 1 described in the present embodiment, width 30cm, a height of 20cm；
The capacity of the incubator 1 is 24L.
As shown in Figure 1, in embodiments of the present invention, ensuring that build that there is C in the incubator 14F7N gas
The environment of body, and guarantee to go on smoothly C4F7The test of N gas toxicity, in the present embodiment in the incubator 1,
Oxygen accounts for the 15%-25% of the mixed gas total volume in the incubator 1；Nitrogen and C4F7N gas accounts in the incubator 1
Mixed gas total volume 75%-85%.By the way that the oxygen to be accounted for the setting of the mixed gas total volume in the incubator 1
For 15%-25%, and by the nitrogen and C4F7The mixed gas total volume that N gas accounts in the incubator 1 is set as 75%-
85%, there is C to guarantee to build in the incubator 14F7The environment of N gas, and guarantee C4F7N gas toxicity
Test go on smoothly.Preferably, oxygen accounts for 21% of the mixed gas total volume in the incubator 1 in the present embodiment；
Nitrogen and C4F7N gas accounts for 79% of the mixed gas total volume in the incubator 1.
In addition, it should be noted that, percentage, the nitrogen of the mixed gas total volume that oxygen accounts in the incubator 1 account for
Percentage, the C of mixed gas total volume in the incubator 14F7N gas accounts for the mixed gas total volume in the incubator 1
Percentage can be adjusted according to actual operation requirements, only need to guarantee to build in the incubator 1 and have
C4F7The atmosphere of N gas is not done more repeat herein；In addition, due to the output end of the oxygen cylinder, nitrogen cylinder it is defeated
Outlet and C4F7The output end of N gas cylinder is connected to the air inlet 11 of the incubator 1 respectively, therefore, mixed in the incubator 1
Conjunction gas is oxygen, nitrogen and C4F7The mixed gas that N gas mixing is formed.
In embodiments of the present invention, in order to realize the oxygen, nitrogen and the C that accurately control and be passed through in the incubator 14F7N
The amount of gas, to guarantee C4F7The test of N gas toxicity is gone on smoothly, C described in the present embodiment4F7The toxicity of N gas is tried
Experiment device further includes distributing instrument 5, and the output end of the oxygen cylinder 2 is connected to the first input end of the distributing instrument 5；The nitrogen
The output end of gas cylinder 3 is connected to the second input terminal of the distributing instrument 5；The C4F7The output end of N gas cylinder 4 and the distributing instrument 5
Third input terminal connection；The output end of the distributing instrument 5 is connected to the air inlet 13.By the way that the distributing instrument 5 is arranged, together
When make the output end of the oxygen cylinder 2, the output end of the nitrogen cylinder 3, the C4F7The output end of N gas cylinder 4 is matched with described respectively
The input terminal of gas instrument 5 is connected to, and is connected to the output end of the distributing instrument 5 with the air inlet 13, to realize that control is passed through
Oxygen, nitrogen and C in the incubator 14F7The amount of N gas, and guarantee accurately and steadily control the oxygen being passed through,
Nitrogen and C4F7The ratio of N gas, and then ensure that C4F7The test of N gas toxicity is gone on smoothly.In addition, passing through setting institute
Distributing instrument 5 is stated, is made it possible to the oxygen, nitrogen and C4F7It is re-fed into after N gas mixing in the incubator 1, in order to control
Make the whole flow velocity for the gas being passed through in the incubator 1.
As shown in Figure 1, in order to realize oxygen, nitrogen and C that control is passed through in the incubator 14F7The flow velocity of N gas, with
Ensure the stationarity supplied, C described in the present embodiment4F7The toxicity test device of N gas further includes flowmeter 6, the distributing instrument
5 output end is connected to the input terminal of the flowmeter 6, and the output end of the flowmeter 6 is connected to the air inlet 13.Pass through
The flowmeter 6 is set, while is connected to the output end of the distributing instrument 5 with the air inlet 13 by the flowmeter 6, is had
Body: being connected to the output end of the distributing instrument 5 and the input terminal of the flowmeter 6, the output end of the flowmeter 6 with it is described
Air inlet 13 is connected to, to realize that control is passed through oxygen, nitrogen and the C of the incubator 14F7The whole flow velocity of N gas, with true
The stationarity supplied to the incubator 1 is protected, and then ensure that oxygen, nitrogen and the C in the incubator 14F7The amount of N gas
Stability, therefore further ensure C4F7N gas toxicity test is gone on smoothly.
In embodiments of the present invention, for the ease of the connection of the flowmeter 6 and the air inlet 13, institute in the present embodiment
State C4F7The toxicity test device of N gas further includes air inlet pipe 15, the output end of the flowmeter 6 by the air inlet pipe 15 with
The air inlet 13 is connected to.By the way that the air inlet pipe 15 is arranged, consequently facilitating the company of the flowmeter 6 and the air inlet 13
It is logical.
In addition, in embodiments of the present invention, the C4F7The toxicity test device of N gas further includes escape pipe 16, it is described go out
Tracheae 16 is connected to the gas outlet 14.By the way that the escape pipe 16 is arranged, and make the escape pipe 16 and the gas outlet 14
Connection, consequently facilitating the circulation of the mixed gas in the incubator 1.
In embodiments of the present invention, in order to realize the air pressure monitored in the incubator 1, C described in the present embodiment4F7N
The toxicity test device of gas further includes the pressure gauge 7 for detecting the pressure in the incubator 1, the pressure gauge 7 and institute
State the connection of incubator 1.It by the way that the pressure gauge 7 is arranged, and is connected to the pressure gauge 7 with the incubator 1, makes it possible to lead to
It crosses the air pressure that the pressure gauge 7 monitors in the incubator 1 and guarantees the training to maintain the normal barometric pressure in the incubator 1
The normal activity for supporting the subjects in case 1, to further ensure that C4F7The test of N gas toxicity is gone on smoothly.
Specifically, it is connected to for the ease of the pressure gauge 7 with the incubator 1, pressure gauge 7 described in the present embodiment is logical
Tracheae is crossed to be connected to the incubator 1.
As shown in Figure 1, in embodiments of the present invention, for the ease of monitoring the behavior of the subjects in the incubator 1
Situation, C described in the present embodiment4F7The toxicity test device of N gas include thes case where for recording in the incubator 1
Camera 8, the camera 8 are located at the outside of the incubator 1.By the way that the camera shooting is arranged in the external of the incubator 1
First 8, make it possible to collect the behavior image information of subjects by the camera 8, and by the behavior image of acquisition
Information is transferred to display terminal, to realize the on-line monitoring to subjects, efficiently avoids in detection C4F7N gas poison
Property during need testing crew on duty for a long time and observation, and then greatly reduce testing crew and gas Long Term Contact
Risk, and reduce cost of labor.
In embodiments of the present invention, the position that the camera 8 is located at the outside of the incubator 1 can be according to actual use
Situation is adjusted, and acquires the behavior image information of subjects for clarity, and operated convenient for testing crew, this reality
Apply the left side that camera 8 described in example is located at the incubator 1, and the camera 8 is towards the incubator 1.
In embodiments of the present invention, using the C4F7The toxicity test device of N gas detects C4F7The toxicity of N gas
Process specifically comprises the following steps:
S1, the C is checked4F7The air-tightness of the toxicity test device of N gas；
Wherein, the C is checked4F7Before the air-tightness of the toxicity test device of N gas, by the incubator ontology
Opening the waterer and feeder are put into the incubator, and cover cover board.After assembling, described in inspection
C4F7The air-tightness of the toxicity test device of N gas.Specifically, the gas outlet on incubator is blocked using controlled valve, is opened
Gas cylinder is passed through gas into the incubator, until the reading shown on the pressure gauge is 0.005Mpa, closes gas cylinder, stops
Gas is passed through into the incubator；At this point, the pressure in the incubator is slightly above the normal pressure outside the incubator；It stands
After 60min, the reading of the pressure gauge is read again；If the reading shown twice before and after the pressure gauge is identical, illustrate
C4F7The air-tightness of the toxicity test device of N gas is good；Otherwise, illustrate C4F7The air-tightness of the toxicity test device of N gas compared with
Difference is needed to the C4F7The toxicity test device of N gas carries out leak detection work.
S2, subjects are put into the incubator；
Wherein, the subjects are small white mouse；Specifically, the cover board is opened, the opening on the incubator is passed through
Several healthy female small white mouses are put into, and every small white mouse is numbered；Then in the feeder and the feed
Sufficient water and food are put into device；Cover board is covered again, and opens the switch valve of the gas outlet on the incubator.
S3, oxygen, nitrogen and C are passed through into the incubator4F7N gas；
Specifically, the oxygen cylinder, nitrogen cylinder and C are opened respectively4F7N gas cylinder is passed through oxygen into the incubator to realize
Gas, nitrogen and C4F7N gas；And the distributing instrument is controlled, the mixed gas for making it possible to account in the incubator according to oxygen is total
The 21% of volume；Nitrogen and C4F7N gas accounts for 79% method of salary distribution of the mixed gas total volume in the incubator 1 to institute
It states and is passed through oxygen, nitrogen and C in incubator4F7N gas；Wherein, the gas gross being passed through in the incubator per minute is no less than
/ 8th of the incubator total measurement (volume)；In addition, can be by the oxygen, nitrogen and C by the distributing instrument4F7N gas is mixed
It is passed through in the incubator again after conjunction.
S4, the behavioural information for observing and recording subjects in the incubator；
Specifically, the behavioural information of a small white mouse is observed and recorded every 1h.
S5, after preset time, terminate test, the subjects in incubator are removed and placed in normal incubator
Continue to raise.
Wherein, the preset time is for 24 hours.Specifically, after test for 24 hours, terminate detection C4F7N gas toxicity, will
Small white mouse in incubator, which is removed and placed in normal incubator, continues raising 72 hours.Pass through the behavior letter of the small white mouse of record
Breath, judges C4F7Whether N gas has toxicity.
To sum up, the present invention provides a kind of C4F7The toxicity test device of N gas, including incubator 1, oxygen cylinder 2, nitrogen cylinder 3
And C4F7N gas cylinder 4, the incubator 1 are equipped with air inlet 13 and gas outlet 14, output end, the nitrogen cylinder of the oxygen cylinder 2
3 output end and C4F7The output end of N gas cylinder 4 is connected to the air inlet 13 respectively, to be passed through respectively into the incubator 1
Oxygen, nitrogen and C4F7N gas.By the way that the incubator 1 is arranged, and make the output end of oxygen cylinder 2, nitrogen cylinder 3 output end and
C4F7The output end of N gas cylinder 4 is connected to the air inlet 13 of the incubator 1 respectively, to be passed through oxygen into the incubator 1 respectively
Gas, nitrogen and C4F7N gas, so that building in the incubator 1 has C4F7The environment of N gas makes it possible to pass through
The behavior situation of the subjects in the incubator 1 is observed to judge C4F7Whether N gas has toxicity, and then realizes
Use C4F7C is detected before N gas4F7The toxicity of N gas, thus it is ensured that the personal safety of personnel.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of C4F7The toxicity test device of N gas, which is characterized in that including incubator, oxygen cylinder, nitrogen cylinder and C4F7N
Gas cylinder, the incubator are equipped with air inlet and air outlet, the output end of the oxygen cylinder, the output end of nitrogen cylinder and C4F7N gas
The output end of bottle is connected to the air inlet respectively, to be passed through oxygen, nitrogen and C into the incubator respectively4F7N gas.
2. C as described in claim 14F7The toxicity test device of N gas, which is characterized in that oxygen accounts in the incubator
The 15%-25% of mixed gas total volume；Nitrogen and C4F7N gas accounts for the 75%- of the mixed gas total volume in the incubator
85%.
3. C as described in claim 14F7The toxicity test device of N gas, which is characterized in that the C4F7The toxicity of N gas is tried
Experiment device further includes distributing instrument, and the output end of the oxygen cylinder is connected to the first input end of the distributing instrument；The nitrogen cylinder
Output end be connected to the second input terminal of the distributing instrument；The C4F7The output end of N gas cylinder and the third of the distributing instrument are defeated
Enter end connection；The output end of the distributing instrument is connected to the air inlet.
4. C as claimed in claim 34F7The toxicity test device of N gas, which is characterized in that the C4F7The toxicity of N gas is tried
Experiment device further includes flowmeter, and the output end of the distributing instrument is connected to the input terminal of the flowmeter, the flowmeter it is defeated
Outlet is connected to the air inlet.
5. C as claimed in claim 44F7The toxicity test device of N gas, which is characterized in that the C4F7The toxicity of N gas is tried
Experiment device further includes air inlet pipe, and the output end of the flowmeter is connected to by the air inlet pipe with the air inlet.
6. C as described in any one in claim 1-54F7The toxicity test device of N gas, which is characterized in that the C4F7N gas
Toxicity test device further include pressure gauge for detecting the pressure in the incubator, the pressure gauge and the incubator
Connection.
7. C as described in any one in claim 1-54F7The toxicity test device of N gas, which is characterized in that the C4F7N gas
Toxicity test device include the case where that, for recording the camera in the incubator, the camera is located at the culture
The outside of case.
8. C as described in any one in claim 1-54F7The toxicity test device of N gas, which is characterized in that the culture luggage
Incubator ontology and cover board are included, the incubator ontology is equipped with opening, and the opening is by the cover plate closing.
9. C as claimed in claim 84F7The toxicity test device of N gas, which is characterized in that the opening and the cover board
Sealing ring is equipped between contact position.
10. C as claimed in claim 84F7The toxicity test device of N gas, which is characterized in that the incubator is by organic glass
Glass is made.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252850A (en) * | 2021-05-17 | 2021-08-13 | 国网四川省电力公司电力科学研究院 | Perfluoropentanone mixed gas bioabsorption toxicity detection device and method |
| CN113325137A (en) * | 2021-05-31 | 2021-08-31 | 武汉大学 | Environment-friendly C4F7N and decomposed gas inhalation toxicity experimental device thereof |
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