CN210354980U - Smoke toxicant exposure device - Google Patents
Smoke toxicant exposure device Download PDFInfo
- Publication number
- CN210354980U CN210354980U CN201920227566.6U CN201920227566U CN210354980U CN 210354980 U CN210354980 U CN 210354980U CN 201920227566 U CN201920227566 U CN 201920227566U CN 210354980 U CN210354980 U CN 210354980U
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- Prior art keywords
- toxicant exposure
- cabinet
- smoke
- oxygen concentration
- toxicant
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- 231100000167 toxic agent Toxicity 0.000 title claims abstract description 60
- 239000003440 toxic substance Substances 0.000 title claims abstract description 60
- 239000000779 smoke Substances 0.000 title claims abstract description 36
- 238000011109 contamination Methods 0.000 claims abstract description 39
- 238000002485 combustion reaction Methods 0.000 claims abstract description 16
- 239000004509 smoke generator Substances 0.000 claims abstract description 14
- 238000010171 animal model Methods 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 28
- 239000001301 oxygen Substances 0.000 claims description 28
- 229910052760 oxygen Inorganic materials 0.000 claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 26
- 239000000523 sample Substances 0.000 claims description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims 1
- 229920005372 Plexiglas® Polymers 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000002574 poison Substances 0.000 description 8
- 231100000614 poison Toxicity 0.000 description 8
- 241001465754 Metazoa Species 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Housing For Livestock And Birds (AREA)
Abstract
The utility model provides a smog device of toxicant exposure, include: a contamination cabinet (4); the smoke combustion rack (2) is placed in the toxicant exposure cabinet (4), and a smoke generator (17) and a circulating fan (11) are arranged on the smoke combustion rack (2); the experimental animal cage (3), the experimental animal cage (3) is placed in the toxicant exposure cabinet (4); the air blower (1) is arranged on the toxicant exposure cabinet (4) and used for supplying air into the toxicant exposure cabinet (4); and the exhaust fan (8) is arranged on the toxicant exposure cabinet (4) and is used for exhausting air outwards from the toxicant exposure cabinet (4). The utility model has the advantages of simple structure, low production and manufacturing cost, convenient operation of contamination experiment, good effect of contamination experiment, convenient movement and cleaning, etc.
Description
Technical Field
The utility model belongs to the technical field of the animal experiment, concretely relates to smog device of toxicant exposure.
Background
The inhalation contamination device is an important tool for researching the contamination of various poisons through the respiratory tract, and is widely applied to environmental protection, industrial sanitation and toxicology research. At present, the animal inhalation toxicant exposure method at home and abroad comprises a static inhalation method, a dynamic inhalation method and the like.
The dynamic inhalation method is that the experimental animal is in a toxicant exposure cabinet with air flowing, the toxic air is continuously input into the cabinet at a constant speed, and the air is exhausted from the cabinet at a constant speed. Because the dynamic inhalation method is more consistent with the natural process of gas poisoning, the related research on the dynamic inhalation method has greater reference value. The dynamic inhalation contamination device adopts a mechanical ventilation device, continuously sends fresh air and toxicant into a contamination cabinet and discharges equivalent polluted gas, so that the concentration of the toxicant is relatively stable, otherwise, the animal is unevenly contaminated, and even the animal is suffocated.
The traditional dynamic contamination device has complex structure and large consumption of tested substances, and a set of dynamic inhalation contamination system and a complex poison detection and evaluation method need to be established.
The traditional static type contamination device is relatively simple in structure, can be moved, but does not have an air exchange function, and animals are easy to anoxic and suffocate, and are unevenly contaminated, so that experimental results are influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model is that the traditional toxicant exposure device structure, operation are complicated, do not possess the function of ventilating, and the toxicant exposure is uneven.
In order to solve the above problem, the utility model provides a smog device of toxicant exposure, include:
a contamination cabinet;
the smoke combustion rack is placed in the toxicant exposure cabinet, and a smoke generator and a circulating fan are arranged on the smoke combustion rack;
the experimental animal cage is placed in the contamination cabinet;
the blower is arranged on the toxicant exposure cabinet and used for supplying air into the toxicant exposure cabinet;
the exhaust fan is arranged on the toxicant exposure cabinet and used for exhausting air outwards from the toxicant exposure cabinet.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Preferably, the smoke-fired rack comprises an upper deck and a lower deck; the smoke generator is arranged on the upper platform, and the circulating fan is arranged on the lower platform, or the smoke generator is arranged on the lower platform, and the circulating fan is arranged on the upper platform.
Preferably, the blower and the exhaust fan have the same air volume passing through the blower and the exhaust fan per unit time.
Preferably, the toxicant exposure cabinet is provided with a cabinet door, and the cabinet door comprises a transparent door panel.
Preferably, the toxicant exposure cabinet further comprises a frame, side walls, a top plate and a bottom plate, wherein the side walls, the top plate and the bottom plate are all arranged on the frame.
Preferably, the blower is arranged at a lower portion of the side wall and/or the suction fan is arranged at an upper portion of the side wall opposite to the blower.
Preferably, the frame is made of stainless steel, and/or the side wall, the top plate and the bottom plate are made of organic glass.
Preferably, the device also comprises an oxygen concentration monitoring probe and an oxygen concentration detector, wherein the oxygen concentration monitoring probe is arranged in the contamination cabinet and is connected with the oxygen concentration detector, and the oxygen concentration detector detects the oxygen concentration in the contamination cabinet through the oxygen concentration monitoring probe.
Preferably, the device also comprises a temperature monitoring probe and a temperature detector, wherein the temperature monitoring probe is arranged in the toxicant exposure cabinet and is connected with the temperature detector, and the temperature detector detects the temperature in the toxicant exposure cabinet through the temperature monitoring probe.
Preferably, four corners of the bottom of the toxicant exposure cabinet are provided with movable wheels with braking function.
The utility model provides a smog infects poison device has following beneficial effect at least:
the utility model has the advantages of simple structure, low production and manufacturing cost, convenient operation of contamination experiment, good effect of contamination experiment, convenient movement and cleaning, etc.
Drawings
Fig. 1 is a schematic structural view of a smoke toxicant exposure device according to an embodiment of the present invention.
The reference numerals are represented as:
1. a blower; 2. a smoke combustion rack; 3. experimental animal cages; 4. a contamination cabinet; 5. a temperature monitoring probe; 6. an oxygen concentration monitoring probe; 7. an oxygen concentration detector; 8. an exhaust fan; 9. a temperature detector; 10. a cabinet door; 11. a circulating fan; 12. a moving wheel; 13. a frame; 14. a side wall; 15. a top plate; 16. a base plate; 17. a smoke generator.
Detailed Description
Referring to fig. 1 in combination, an embodiment of the present invention provides a smoke toxicant exposure device, including: a contamination cabinet 4; the smoke combustion rack 2 is arranged in the toxicant exposure cabinet 4, and a smoke generator 17 and a circulating fan 11 are arranged on the smoke combustion rack 2; the experimental animal cage 3 is placed in the contamination cabinet 4; the air blower 1 is arranged on the contamination cabinet 4 and used for supplying air into the contamination cabinet 4; an exhaust fan 8, the exhaust fan 8 is arranged on the contamination cabinet 4 and used for exhausting air from the contamination cabinet 4.
The experimental animal cage 3 is placed through the cage, and the experimental animal cage 3 and the cage are both made of stainless steel materials, so that the experimental animal cage is firm and durable.
The smog infects the poison device for traditional dynamic formula suction infects the poison device, and circulating fan 11 can improve and continuously produce the effect of cigarette ability and smog uniform diffusion, and circulating fan 11 is rotatory, makes the smog that smoke generator 17 produced expand and scatter, increases diffusion rate and coverage, can disturb the air current in the contamination cabinet 4 simultaneously, simulation atmospheric environment. Smoke generator 17 sets up on smog burning frame 2 with circulating fan 11 jointly, can the bulk movement, and simple structure is light portable, and the test article consume for a short time, and experiment easy operation's advantage compares in traditional quiet formula suction toxicant exposure device, and air-blower 1, air exhauster 8 have good air exchange performance, and the poison concentration is stable, and the poison distributes evenly, and the animal infects the poison evenly, realizes effectually.
In this embodiment, the smoke combustion frame 2 is not fixedly installed, and can be adjusted in position in the toxicant exposure cabinet 4 at will, and in order to ensure the uniform diffusion of smoke in the toxicant exposure cabinet 4, the smoke combustion frame 2 is placed at a position close to the blower 1, that is, the smoke combustion frame 2 is placed at the upstream of the air circulation direction, so that the smoke is naturally diffused along the air flow direction.
In this embodiment, the smoke combustion frame 2 includes an upper deck and a lower deck; the smoke generator 17 is arranged on the upper platform, the circulating fan 11 is arranged on the lower platform, or the smoke generator 17 is arranged on the lower platform, the circulating fan 11 is arranged on the upper platform, and the smoke generator 17 and the circulating fan 11 can be changed in upper and lower positions according to experiment requirements.
In this embodiment, the smoke combustion rack 2 is made of stainless steel material, and the lower platform is kept at a certain distance from the bottom plate 16 of the toxicant exposure cabinet 4 to ensure the air circulation at the bottom of the smoke combustion rack 2.
In this embodiment, air-blower 1, air exhauster 8, circulating fan 11 all have different power gears, provide different fan, amount of wind, satisfy different experimental demands. The model and the power of the air blower 1 and the air exhauster 8 can be the same, so that the air volume of the air blower 1 and the air exhauster 8 passing through in unit time is the same, the stability of air pressure and air flow in the toxicant exposure cabinet 4 is ensured, and the uniform mixing of smoke and air in the toxicant exposure cabinet 4 is facilitated.
In this embodiment, the contamination cabinet 4 is provided with a cabinet door 10, the cabinet door 10 provides good sealing performance, the cabinet door 10 comprises a transparent door plate made of transparent organic glass, the transparent door plate enables the interior of the cabinet to have good lighting, and the animal and smoke conditions in the contamination cabinet 4 can be observed from the outside. The door frame of cabinet door 10 utilizes stainless steel material processing to form, uses outside two to open the door, and is great through the space, makes smog burning frame 2 and experimental animals cage 3 can take out from the door, washs and disinfects.
In this embodiment, the contamination cabinet 4 further includes a frame 13, a side wall 14, a top plate 15 and a bottom plate 16, wherein the side wall 14, the top plate 15 and the bottom plate 16 are all installed on the frame 13, the frame 13 is made of stainless steel, the structure is stable, firm and durable, the side wall 14, the top plate 15 and the bottom plate 16 are made of organic glass, the material is cheap, the manufacturing is easy, and the cost can be reduced.
In this embodiment, the blower 1 is disposed at the lower portion of the sidewall 14, the exhaust fan 8 is disposed at the upper portion of the sidewall 14 opposite to the blower 1, and after the air is sent into the contamination cabinet 4 from the blower 1, the air is fully circulated and diffused, and then is extracted by the exhaust fan 8, so that the air has a long circulation distance in the contamination cabinet 4, which is beneficial to the full mixing and diffusion of the smoke and the air.
In this embodiment, the device further comprises an oxygen concentration monitoring probe 6 and an oxygen concentration detector 7, wherein the oxygen concentration monitoring probe 6 is arranged in the contamination cabinet 4, the oxygen concentration monitoring probe 6 is connected with the oxygen concentration detector 7, and the oxygen concentration detector 7 detects the oxygen concentration in the contamination cabinet 4 through the oxygen concentration monitoring probe 6.
The device also comprises a temperature monitoring probe 5 and a temperature detector 9, wherein the temperature monitoring probe 5 is arranged in the contamination cabinet 4, the temperature monitoring probe 5 is connected with the temperature detector 9, and the temperature detector 9 detects the temperature in the contamination cabinet 4 through the temperature monitoring probe 5.
The oxygen concentration detector 7 and the temperature detector 9 are only provided with monitoring probes arranged inside the contamination cabinet 4, and the detector body is arranged outside the contamination cabinet 4, so that the real-time monitoring and observation are convenient, and the oxygen concentration detector can be arranged on the outer wall of the contamination cabinet 4 or connected to safe regions such as an operation desk through wires.
In this embodiment, in order to facilitate the movement of the contamination cabinet 4, four corners of the bottom of the contamination cabinet 4 are provided with moving wheels 12 with braking function.
The smoke toxicant exposure device of the embodiment has a simple structure and is convenient to manufacture and install; the material is mainly made of stainless steel and organic glass, is stable and firm, is firm and durable, and has low production and manufacturing cost; the experiment operation is convenient, and the internal condition, the oxygen concentration and the temperature can be monitored and observed conveniently in real time; the air supply, air exhaust and internal circulation power are adjustable, and more experimental requirements are met; is convenient to move, clean and disinfect, and is sanitary and safe.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A smoke toxicant exposure apparatus, comprising:
a contamination cabinet (4);
the smoke combustion rack (2) is placed in the toxicant exposure cabinet (4), and a smoke generator (17) and a circulating fan (11) are arranged on the smoke combustion rack (2);
the experimental animal cage (3), the experimental animal cage (3) is placed in the toxicant exposure cabinet (4);
the air blower (1) is arranged on the toxicant exposure cabinet (4) and used for supplying air into the toxicant exposure cabinet (4);
and the exhaust fan (8) is arranged on the toxicant exposure cabinet (4) and is used for exhausting air outwards from the toxicant exposure cabinet (4).
2. The smoke toxicant exposure apparatus according to claim 1, wherein said smoke combustion rack (2) comprises an upper deck and a lower deck; the smoke generator (17) is arranged on the upper layer platform, the circulating fan (11) is arranged on the lower layer platform, or the smoke generator (17) is arranged on the lower layer platform, and the circulating fan (11) is arranged on the upper layer platform.
3. The smoke toxicant exposure apparatus according to claim 1, characterized in that said blower (1) and said exhaust blower (8) pass the same amount of air per unit time.
4. The smoke toxicant exposure apparatus according to claim 1, characterized in that said toxicant exposure cabinet (4) is provided with a cabinet door (10), said cabinet door (10) comprising a transparent door panel.
5. The smoke toxicant exposure apparatus according to claim 1, characterized in that said toxicant exposure cabinet (4) further comprises a frame (13), side walls (14), a top plate (15), a bottom plate (16), said side walls (14), top plate (15), bottom plate (16) all being mounted on said frame (13).
6. The smoke toxicant exposure apparatus according to claim 5, characterized in that said blower (1) is arranged at a lower portion of said side wall (14) and/or said exhaust fan (8) is arranged at an upper portion of said side wall (14) opposite to said blower (1).
7. The smoke toxicant exposure device according to claim 5, characterized in that said frame (13) is made of stainless steel and/or said side walls (14), top plate (15) and bottom plate (16) are made of plexiglass.
8. The smoke toxicant exposure apparatus according to claim 1, characterized in that the apparatus further comprises an oxygen concentration monitoring probe (6), an oxygen concentration detector (7), said oxygen concentration monitoring probe (6) is arranged in said toxicant exposure cabinet (4), said oxygen concentration monitoring probe (6) is connected with said oxygen concentration detector (7), said oxygen concentration detector (7) detects the oxygen concentration in said toxicant exposure cabinet (4) through said oxygen concentration monitoring probe (6).
9. The smoke toxicant exposure apparatus according to claim 1, characterized in that the apparatus further comprises a temperature monitoring probe (5), a temperature detector (9), said temperature monitoring probe (5) being arranged inside said toxicant exposure cabinet (4), said temperature monitoring probe (5) being connected to said temperature detector (9), said temperature detector (9) detecting the temperature inside said toxicant exposure cabinet (4) through said temperature monitoring probe (5).
10. The smoke toxicant exposure apparatus according to any one of claims 1-9, characterized in that four corners of the bottom of said toxicant exposure cabinet (4) are provided with moving wheels (12) with braking function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920227566.6U CN210354980U (en) | 2019-02-22 | 2019-02-22 | Smoke toxicant exposure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920227566.6U CN210354980U (en) | 2019-02-22 | 2019-02-22 | Smoke toxicant exposure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210354980U true CN210354980U (en) | 2020-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920227566.6U Expired - Fee Related CN210354980U (en) | 2019-02-22 | 2019-02-22 | Smoke toxicant exposure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210354980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081373A (en) * | 2021-03-12 | 2021-07-09 | 中国石油化工股份有限公司 | Inhalation contamination device for producing intermediate product/byproduct in ethylene glycol synthesis process and application |
-
2019
- 2019-02-22 CN CN201920227566.6U patent/CN210354980U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081373A (en) * | 2021-03-12 | 2021-07-09 | 中国石油化工股份有限公司 | Inhalation contamination device for producing intermediate product/byproduct in ethylene glycol synthesis process and application |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |