CN208689058U - 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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- CN208689058U CN208689058U CN201821026231.XU CN201821026231U CN208689058U CN 208689058 U CN208689058 U CN 208689058U CN 201821026231 U CN201821026231 U CN 201821026231U CN 208689058 U CN208689058 U CN 208689058U
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Abstract
The utility model relates to insulating gas experimental technique fields, disclose a kind of C4F7The toxicity test device of N gas, air bottle and C4F7N gas cylinder, incubator are equipped with the first air inlet, the second air inlet and air outlet, and the output end of air bottle is connected to the first air inlet, to be passed through air into incubator；C4F7The output end of N gas cylinder is connected to the second air inlet, to be passed through C into incubator4F7N gas.It by the way that incubator is arranged, and is connected to the output end of air bottle with the first air inlet, is passed through air into incubator to realize, while making C4F7The output end of N gas cylinder is connected to the second air inlet, and C is passed through into incubator to realize4F7N gas, therefore built in incubator with 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 utility model relates to insulating gas experimental technique fields, more particularly to a kind of C4F7The toxicity test of N gas fills
It sets.
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.
Utility model content
The purpose of the utility model is to provide a kind of C4F7The toxicity test device of N gas, is able to detect C4F7N gas
Toxicity, to guarantee the safety of personnel.
In order to solve the above-mentioned technical problem, the utility model provides a kind of C4F7The toxicity test device of N gas, including training
Support case, air bottle and C4F7N gas cylinder, the incubator are equipped with the first air inlet, the second air inlet and air outlet, the sky
The output end of gas cylinder is connected to first air inlet, to be passed through air into the incubator；The C4F7The output of N gas cylinder
End is connected to second air inlet, to be passed through C into the incubator4F7N gas.
Preferably, air accounts for the 95%-99% of the mixed gas total volume in the incubator；C4F7N gas
Account for the 1%-5% of the mixed gas total volume in the incubator.
Preferably, the C4F7The toxicity test device of N gas further includes first flowmeter, the air bottle
Output end is connected to the input terminal of the first flowmeter, the output end of the first flowmeter and first inlet communication.
Preferably, the C4F7The toxicity test device of N gas further includes second flowmeter, the C4F7N gas
The output end of bottle is connected to the input terminal of the second flowmeter, the output end of the second flowmeter and second air inlet
Connection.
Preferably, the C4F7The toxicity test device of N gas further includes the first air inlet pipe and the second air inlet pipe,
The output end of the first flowmeter is connected to by first air inlet pipe with first air inlet；The second flowmeter
Output end is connected to by second air inlet pipe with second 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 utility model provides a kind of C4F7The toxicity test device of N gas, including incubator, air bottle and C4F7N
Gas cylinder, the incubator are equipped with the first air inlet, the second air inlet and air outlet, the output end of the air bottle and described the
One air inlet connection, to be passed through air into the incubator；The C4F7The output end of N gas cylinder and second air inlet connect
It is logical, to be passed through C into the incubator4F7N gas.By the way that the incubator is arranged, and make output end and the institute of the air bottle
The connection of the first air inlet is stated, is passed through air into the incubator to realize, while making the C4F7The output end of N gas cylinder with
The second air inlet connection, is passed through C into the incubator to realize4F7N gas, therefore realize in the incubator
Building has C4F7The environment of N gas atmosphere makes it possible to the behavior feelings by observing the subjects in the incubator
Condition judges C4F7Whether N gas has toxicity, and then realizes and using C4F7C is detected before N gas4F7The toxicity of N gas, because
This, it is ensured that the personal safety of personnel.
Detailed description of the invention
Fig. 1 is the C in the utility model embodiment4F7The structural schematic diagram of the toxicity test device of N gas；
Fig. 2 is the structural schematic diagram of the incubator in the utility model embodiment.
Wherein, 1, incubator；11, incubator ontology；12, cover board；13, the first air inlet；14, the second air inlet；15, go out
Port；16, the first air inlet pipe；17, the second air inlet pipe；18, escape pipe；2, air bottle；3,C4F7N gas cylinder；4, first flowmeter；
5, second flowmeter；6, pressure gauge；7, camera；8, waterer；9, feeder.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the explanation of the utility model, the description in the orientation such as upper, lower, left, right, front and rear is limited both for Fig. 1
Fixed, as the C4F7When the modes of emplacement of the toxicity test device of N gas changes, the description in corresponding orientation also will
Changed according to the change of modes of emplacement, this will not be repeated here for the utility model.
Referring to figs. 1 and 2, a kind of C of the preferred embodiment in the utility model4F7The toxicity test device of N gas, packet
Include incubator 1, air bottle 2 and C4F7N gas cylinder 3, the incubator 1 are equipped with the first air inlet 13, the second air inlet 14 and go out
Port 15, the output end of the air bottle 2 are connected to first air inlet 13, to be passed through air into the incubator 1；Institute
State C4F7The output end of N gas cylinder 3 is connected to second air inlet 14, to be passed through C into the incubator 14F7N gas.
In the utility model embodiment, by the way that the incubator 1 is arranged, and make output end and the institute of the air bottle 2
The connection of the first air inlet 13 is stated, is passed through air into the incubator 1 to realize, while making the C4F7The output of N gas cylinder 3
End is connected to second air inlet 14, is passed through C into the incubator to realize4F7N gas, therefore in the incubator
Inside having built has C4F7The environment of N gas atmosphere makes it possible to the behavior by observing the subjects in the incubator
Situation judges C4F7Whether N gas has toxicity, and then realizes and using C4F7C is detected before N gas4F7The toxicity of N gas, because
This, it is ensured that the personal safety of personnel.
In the utility model embodiment, it should be noted that for detecting C in the present embodiment4F7The toxicity of N gas
Subjects are small white mouse, are placed with waterer 8 and feeder 9 in the incubator 1, to maintain the normal activity of small white mouse,
To going on smoothly for guarantee test.
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 is originally in embodiment to further ensure that the hermetic seal in the incubator 1 in the utility model embodiment
Sealing ring (not shown) is equipped between the opening and the contact position of the cover board 12.By in the opening and the lid
The sealing ring is set between the contact position of plate 12, thus in detection C4F7During the toxicity of N gas, further ensure
Hermetic seal in the incubator 1.
In addition, first air inlet 13, the second air inlet 14 and gas outlet 15 are set to the incubator ontology 11
On.It should be noted that first air inlet 13, the second air inlet 14 and gas outlet 15 are set on the incubator ontology 11
Position can according to actual use situation setting, in order to guarantee the C in the incubator 14F7N gas distribution uniformity with
And guaranteeing the mobility of mixed gas in the incubator 1, the first air inlet 13 described in the present embodiment, the second air inlet 14 divide
It is not oppositely arranged with the gas outlet 15, specifically, first air inlet 13, the second air inlet 14 are set to the incubator
On the right side of ontology 11, the gas outlet 15 is set on the left side of the incubator ontology 11.In addition, the opening is set to institute
The position stated on incubator ontology 11 can also be according to actual use situation setting, for the ease of taking out in the incubator 1
Or subjects are put into, while the behavior situation of the subjects in the incubator 1, the present embodiment are observed convenient for testing crew
Described in opening be set to the incubator ontology 11 front end on.
In the utility model embodiment, the shape and size of the opening can be set according to actual use situation
It sets, need to only meet and guarantee to be put into or take out subjects in the incubator 1 by the opening.The present embodiment
Described in the shape of opening be circle, the diameter of the opening is 10cm.
In the utility model embodiment, the material of the incubator 1 can need to only expire according to actual use situation setting
Foot guarantees culture experiment object, to realize detection C4F7The toxicity of N gas, and guarantee to observe subjects.For
Make to design and simplify the structure, to reduce cost, incubator 1 described in the present embodiment is made of organic glass；And described have
Machine 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, ensuring that build in the incubator 1 has in the utility model embodiment
C4F7The environment of N gas, and guarantee to go on smoothly C4F7The test of N gas toxicity, in the culture in the present embodiment
In case 1, air accounts for the 95%-99% of the mixed gas total volume in the incubator；C4F7N gas accounts in the incubator 1
Mixed gas total volume 1%-5%.It is set as by the mixed gas total volume for accounting for the air in the incubator 1
95%-99%, and by the C4F7The mixed gas total volume that N gas accounts in the incubator 1 is set as 1%-5%, to ensure
Can build in the incubator 1 has C4F7The environment of N gas, and guarantee C4F7The test of N gas toxicity it is smooth
It carries out.Preferably, air accounts for 99% of the mixed gas total volume in the incubator 1 in the present embodiment；C4F7N gas accounts for institute
State 1% of the mixed gas total volume in incubator 1.
In addition, it should be noted that, air accounts for percentage, the C of the mixed gas total volume in the incubator 14F7N gas
The percentage for the mixed gas total volume that body accounts in the incubator 1 can be adjusted according to actual operation requirements, only be needed
Guarantee to build in the incubator 1 and there is C4F7The environment of N gas atmosphere does not do more repeat herein；Separately
Outside, it should be noted that the mixed gas in the incubator 1 is air and C4F7The mixed gas that N gas mixing is formed.
As shown in Figure 1, the flow velocity in order to realize air that control is passed through in the incubator 1, to ensure to the culture
The stationarity supplied in case 1, C described in the present embodiment4F7The toxicity test device of N gas further includes first flowmeter 4, described
The output end of air bottle 2 is connected to by the first flowmeter 4 with first air inlet 13；Specifically, the air bottle 2
Output end is connected to the input terminal of the first flowmeter 4, the output end of the first flowmeter 4 and first air inlet 13
Connection.By the way that the first flowmeter 4 is arranged, while making the output end of the air bottle 2 and the input of the first flowmeter 4
End connection, and it is connected to the output end of the first flowmeter 4 with first air inlet 13, so that it is described to realize that control is passed through
The flow velocity of air in incubator 1 to ensure the stationarity supplied into the incubator 1, and then ensure that the incubator 1
The stability of the amount of interior air, therefore further ensure C4F7N gas toxicity test is gone on smoothly.
In the utility model embodiment, in order to realize C that control is passed through in the incubator 14F7The flow velocity of N gas, with
Further ensure that the stationarity supplied into the incubator 1, C described in the present embodiment4F7The toxicity test device of N gas is also
Including second flowmeter 5, the C4F7The output end of N gas cylinder 3 is connected by the second flowmeter 5 with second air inlet 14
It is logical；Specifically, the C4F7The output end of N gas cylinder 3 is connected to the input terminal of the second flowmeter 5, the second flowmeter 5
Output end be connected to second air inlet 14.By the way that the second flowmeter 5 is arranged, while making the C4F7N gas cylinder 3
Output end is connected to the input terminal of the second flowmeter 5, and makes the output end of the second flowmeter 5 and second air inlet
Mouth 14 is connected to, to realize the C that control is passed through in the incubator 14F7The flow velocity of N gas, to further ensure that the culture
The stationarity supplied in case 1, and then ensure that the C in the incubator 14F7The stability of the amount of N gas, therefore further protect
C is demonstrate,proved4F7N gas toxicity test is gone on smoothly.
In the utility model embodiment, for the ease of the connection of the first flowmeter 4 and first air inlet 13,
Simultaneously convenient for the connection of the second flowmeter 5 and second air inlet 14, C described in the present embodiment4F7The toxicity of N gas
Experimental rig further includes the first air inlet pipe 16 and the second air inlet pipe 17, and the output end of the first flowmeter 4 passes through described first
Air inlet pipe 16 is connected to first air inlet 13；The output end of the second flowmeter 5 by second air inlet pipe 17 with
Second air inlet 14 is connected to.By the way that first air inlet pipe 16 is arranged, consequently facilitating the first flowmeter 4 and described the
The connection of one air inlet 13, in order to be passed through air into the incubator 1；In addition, by the way that second air inlet pipe 17 is arranged,
Consequently facilitating the connection of the second flowmeter 5 and second air inlet 14, in order to be passed through C into the incubator 14F7N
Gas.
In addition, in the utility model embodiment, the C4F7The toxicity test device of N gas further includes escape pipe 18, institute
Escape pipe 18 is stated to be connected to the gas outlet 15.By the way that the escape pipe 18 is arranged, and make the escape pipe 18 and the outlet
Mouth 15 is connected to, consequently facilitating the circulation of the mixed gas in the incubator 1.
In the utility model embodiment, in order to realize the air pressure monitored in the incubator 1, described in the present embodiment
C4F7The toxicity test device of N gas further includes the pressure gauge 6 for detecting the pressure in the incubator 1, the pressure gauge 6
It is connected to the incubator 1.It by the way that the pressure gauge 6 is arranged, and is connected to the pressure gauge 6 with the incubator 1, makes it possible to
The air pressure in the incubator 1 is enough monitored by the pressure gauge 6, to maintain the normal barometric pressure in the incubator 1, guarantees institute
The normal activity of the subjects in incubator 1 is stated, to further ensure that C4F7The test of N gas toxicity it is smooth into
Row.
Specifically, it is connected to for the ease of the pressure gauge 6 with the incubator 1, pressure gauge 6 described in the present embodiment is logical
Tracheae is crossed to be connected to the incubator 1.
As shown in Figure 1, in the utility model embodiment, for the ease of monitoring the subjects in the incubator 1
Behavior situation, C described in the present embodiment4F7The toxicity test device of N gas further includes for recording the feelings in the incubator 1
The camera 7 of condition, the camera 7 are located at the outside of the incubator 1.By described in the external setting in the incubator 1
Camera 7, makes it possible to collect the behavior image information of subjects by the camera 7, and by the behavior of acquisition
Image information is transferred to display terminal, to realize the on-line monitoring to subjects, efficiently avoids in detection C4F7N gas
Need testing crew on duty for a long time during body toxicity and observation, and then it is long-term with gas to greatly reduce testing crew
The risk of contact, and reduce cost of labor.
In the utility model embodiment, the position that the camera 7 is located at the outside of the incubator 1 can be according to reality
Service condition is adjusted, and acquires the behavior image information of subjects for clarity, and operated convenient for testing crew,
Camera 7 described in the present embodiment is located at the left side of the incubator 1, and the camera 7 is towards the incubator 1.
In the utility model embodiment, the C is used4F7The toxicity test device of N gas detects C4F7The poison of N gas
The process of property, 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；Wherein, 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.
Subjects are put into S2, Xiang Suoshu 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.
Air and C are passed through in S3, Xiang Suoshu incubator4F7N gas；
Specifically, the air bottle is opened, is passed through air into the incubator to realize；Open simultaneously the C4F7N
Gas cylinder is passed through C into the incubator to realize4F7N gas；And the totality of the mixed gas in the incubator is accounted for according to air
99% long-pending, C4F7N gas accounts for 1% method of salary distribution of the mixed gas total volume in the incubator 1 into the incubator
It is passed through air and C4F7N gas；Wherein, the gas gross being passed through in the incubator per minute, which is no less than the incubator, always to be held
Long-pending 1/8th.
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 utility model provides a kind of C4F7The toxicity test device of N gas, including incubator 1, air bottle 2 and
C4F7N gas cylinder 3, the incubator 1 are equipped with the first air inlet 13, the second air inlet 14 and gas outlet 15, the air bottle 2
Output end is connected to first air inlet 13, to be passed through air into the incubator 1；The C4F7The output end of N gas cylinder 3
It is connected to second air inlet 14, to be passed through C into the incubator 14F7N gas.By the way that the incubator 1 is arranged, and make
The output end of the air bottle 2 is connected to first air inlet 13, is passed through air into the incubator 1 to realize, together
When make the C4F7The output end of N gas cylinder 3 is connected to second air inlet 14, is passed through to realize into the incubator
C4F7N gas, therefore built in the incubator with C4F7The environment of N gas atmosphere makes it possible to by observing in institute
The behavior situation of the subjects in incubator is stated to judge C4F7Whether N gas has toxicity, and then realizes and using C4F7N
C is detected before gas4F7The toxicity of N gas, thus it is ensured that the personal safety of personnel.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (10)
1. a kind of C4F7The toxicity test device of N gas, which is characterized in that including incubator, air bottle and C4F7N gas cylinder, institute
It states incubator and is equipped with the first air inlet, the second air inlet and air outlet, the output end of the air bottle and first air inlet
Mouth connection, to be passed through air into the incubator；The C4F7The output end of N gas cylinder is connected to second air inlet, with to
C is passed through in the incubator4F7N gas.
2. C as described in claim 14F7The toxicity test device of N gas, which is characterized in that air accounts in the incubator
The 95%-99% of mixed gas total volume；C4F7N gas accounts for the 1%-5% of the mixed gas total volume in the incubator.
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 first flowmeter, and the output end of the air bottle is connected to the input terminal of the first flowmeter, and described
The output end of flow meters is connected to first 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 second flowmeter, the C4F7The output end of N gas cylinder is connected to the input terminal of the second flowmeter, described
The output end of second flowmeter is connected to second 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 the first air inlet pipe and the second air inlet pipe, the output end of the first flowmeter by first air inlet pipe with
The first air inlet connection；The output end of the second flowmeter is connected by second air inlet pipe and second air inlet
It is logical.
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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| Application Number | Priority Date | Filing Date | Title |
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| CN201821026231.XU CN208689058U (en) | 2018-06-29 | 2018-06-29 | A kind of C4F7The toxicity test device of N gas |
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| CN201821026231.XU CN208689058U (en) | 2018-06-29 | 2018-06-29 | A kind of C4F7The toxicity test device of N gas |
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| CN208689058U true CN208689058U (en) | 2019-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116008A (en) * | 2018-06-29 | 2019-01-01 | 南方电网科学研究院有限责任公司 | A kind of C4F7The toxicity test device of N gas |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116008A (en) * | 2018-06-29 | 2019-01-01 | 南方电网科学研究院有限责任公司 | A kind of C4F7The toxicity test device of N gas |
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