CN209886364U - A fume chamber for biological medicine research experiment - Google Patents
A fume chamber for biological medicine research experiment Download PDFInfo
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- CN209886364U CN209886364U CN201920391921.3U CN201920391921U CN209886364U CN 209886364 U CN209886364 U CN 209886364U CN 201920391921 U CN201920391921 U CN 201920391921U CN 209886364 U CN209886364 U CN 209886364U
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Abstract
The utility model discloses a ventilation cabinet for biomedical research experiments, which comprises a cabinet body, a ventilation board, a top plate, a ventilation device and a filtering device, wherein the cabinet body is divided into an installation area and a storage area by a partition plate, and the ventilation device and the filtering device are both arranged in the installation area; one end of the ventilating plate is fixedly connected with one side of the top of the cabinet body, and a plurality of air exhaust holes are uniformly distributed on the ventilating plate and are close to one end of the cabinet body; the other end of the ventilating board is fixedly connected with one end of the top board, the top board is arranged right above the cabinet body, a plurality of air outlets are uniformly distributed on the top board, and heating resistance wires are arranged at the outlets of the air outlets. The gas filter has the advantages that the gas generated in the experiment can be conveniently and quickly discharged, and the gas is filtered.
Description
Technical Field
The utility model relates to a ventilation technology field particularly, relates to a fume chamber for biological medicine research experiment.
Background
Fume hoods are an integral part of laboratory ventilation design. In order for laboratory workers not to inhale or swallow some toxic, pathogenic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory. To prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the pollutants must be removed by fume hoods, ventilation hoods or local ventilation. The existing fume hood can not directly filter the gas exhausted by the fume hood in the air exhaust process.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a fume chamber for biological medicine research experiment has the gaseous quick discharge that produces when being convenient for will testing, and carries out filtration treatment's advantage to it.
In order to achieve the above object, the utility model adopts the following technical scheme: a ventilation cabinet for biomedical research experiments comprises a cabinet body, a ventilation board, a top plate, a ventilation device and a filtering device, wherein the cabinet body is divided into an installation area and a storage area by a partition plate in the front and at the back, and the ventilation device and the filtering device are arranged in the installation area;
one end of the ventilating plate is fixedly connected with one side of the top of the cabinet body, and a plurality of air exhaust holes are uniformly distributed on the ventilating plate and are close to one end of the cabinet body;
the other end of the ventilating plate is fixedly connected with one end of the top plate, the top plate is arranged right above the cabinet body, a plurality of air outlets are uniformly distributed on the top plate, and heating resistance wires are arranged at the air outlets;
the ventilation device comprises an air blower, an air inlet pipe, an exhaust fan, an air outlet pipe and a plurality of auxiliary exhaust pipes, wherein an air outlet of the air blower is connected with an air inlet of the air inlet pipe, and an air outlet of the air inlet pipe is arranged at an air outlet of the top plate;
the air inlets of the exhaust fans are connected with the air outlets of the air outlet pipes, the air outlets of the auxiliary exhaust pipes are connected with the air outlet pipes through multi-way valves, and the air inlets of the auxiliary exhaust pipes are correspondingly arranged at the air outlet holes on the plurality of ventilating plates;
the air outlet of the air outlet pipe is connected with the air inlet of the filter box, and the activated carbon plates are detachably arranged in the filter box and are sequentially arranged along the air inlet direction of the filter box.
When the device is used, an exhaust fan arranged in the installation area is opened, and at the moment, smoke or fine dust in the experiment process enters the auxiliary exhaust pipe from an exhaust outlet on the ventilation board and then converges to the air outlet pipe; the air is discharged into the filter box through the air outlet pipe, particulate matters and peculiar smell gas in the gas are filtered by the activated carbon plate in the filter box, meanwhile, the air blower sends air to the air outlet through the air inlet pipe, the air is blown out downwards from the air outlet in the top plate, whether the heating resistance wire arranged at the air outlet is opened or not is judged according to the temperature requirement and the environment in the laboratory, and the air blown out from the air outlet blows the rising particulate matters or the pungent taste channels downwards to avoid the harm to the body caused by too many particulate matters inhaled by experimenters.
Preferably, the top of the filter box is hinged with a box door, and the inner side of the box door is provided with sealing rubber; and sliding chutes are arranged on the two inner side walls of the filter box, and the width of each sliding chute is consistent with that of the activated carbon plate.
The top of the filter box is hinged with a box door, sealing rubber is arranged on the inner side of the box door, and a sliding groove is formed in the inner side wall of the filter box, so that an activated carbon plate arranged in the filter box can be taken out conveniently, and the sealing rubber is arranged to avoid gas from running out along a linking seam between the box door and the filter box in the use process.
Preferably, deposit and be separated into normal temperature district and freezing district by the division board in the district, and normal temperature district and freezing district one side are equipped with the cabinet door respectively, are equipped with the sealing member on the cabinet door inside wall, be equipped with the refrigeration piece on the inside wall in freezing district.
The storage area is divided into the normal temperature area and the freezing area, so that experimental materials or equipment needing to be refrigerated are separately placed, and later-stage use and maintenance are facilitated.
Preferably, this fume chamber still includes controller and alarm, the gas outlet department of rose box is equipped with wind-force sensor and gas sensor, wind-force sensor's signal output part is connected the first signal input part of controller, gas sensor's signal output part is connected the second signal input part of controller, the first signal output part of controller is connected the signal input part of alarm, the second signal output part of controller is connected the signal input part of air-blower, the third signal output part of controller is connected the signal input part of air exhauster, the fourth signal output part of controller is connected the signal input part of refrigeration piece, the fifth signal output part of controller is connected the signal input part of heating resistor silk.
The controller and the alarm are arranged for automatic control and alarm, and for reminding a user whether the equipment has faults or not.
Preferably, ultraviolet disinfection lamps are arranged in the normal temperature zone and the freezing zone, and the ultraviolet disinfection lamps in the normal temperature zone are arranged on two opposite side walls of the normal temperature zone and on the top side wall; the ultraviolet disinfection lamp located in the freezing zone is arranged at the top of the freezing zone, and a sixth signal output end of the controller is connected with the ultraviolet disinfection lamp.
The ultraviolet disinfection lamps are arranged in the normal temperature area and the freezing area so as to conveniently disinfect the used and cleaned instruments.
The utility model has the advantages that:
(1) when the device is used, an exhaust fan arranged in the installation area is opened, and at the moment, smoke or fine dust in the experiment process enters the auxiliary exhaust pipe from an exhaust outlet on the ventilation board and then converges to the air outlet pipe; the air is discharged into the filter box through the air outlet pipe, particulate matters and peculiar smell gas in the gas are filtered by the activated carbon plate in the filter box, meanwhile, the air blower sends air to the air outlet through the air inlet pipe, the air is blown out downwards from the air outlet in the top plate, whether the heating resistance wire arranged at the air outlet is opened or not is judged according to the temperature requirement and the environment in the laboratory, and the air blown out from the air outlet blows the rising particulate matters or the pungent taste channels downwards to avoid the harm to the body caused by too many particulate matters inhaled by experimenters.
(2) The top of the filter box is hinged with a box door, sealing rubber is arranged on the inner side of the box door, and a sliding groove is formed in the inner side wall of the filter box, so that an activated carbon plate arranged in the filter box can be taken out conveniently, and the sealing rubber is arranged to avoid gas from running out along a linking seam between the box door and the filter box in the use process.
(3) The storage area is divided into the normal temperature area and the freezing area, so that experimental materials or equipment needing to be refrigerated are separately placed, and later-stage use and maintenance are facilitated.
(4) The controller and the alarm are arranged for automatic control and alarm, and for reminding a user whether the equipment has faults or not.
(5) The ultraviolet disinfection lamps are arranged in the normal temperature area and the freezing area so as to conveniently disinfect the used and cleaned instruments.
Drawings
Fig. 1 is a schematic front view of an embodiment of a fume hood for biomedical research and experiment according to the present invention;
FIG. 2 is a schematic view of the interior structure of a fume chamber for biomedical research and experiment according to the present invention;
FIG. 3 is a schematic diagram of a rear view partial internal structure of an embodiment of a fume hood for biomedical research experiments according to the present invention;
FIG. 4 is a schematic left-side view of a full-section structure of a fume hood for biomedical research experiments according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 4;
FIG. 6 is a schematic diagram of a filter device of an embodiment of a fume hood for biomedical research and experiment according to the present invention;
FIG. 7 is a schematic diagram of the overall signal flow structure of the fume hood for biomedical research and experiment according to the embodiment of the present invention;
description of reference numerals:
1. a cabinet body; 2. a ventilation board; 3. a top plate; 4. a ventilation device; 5. a filtration device; 6. a partition plate; 7. an installation area; 8. a storage area; 9. an air exhaust hole; 10. an air outlet; 11. a heating resistance wire; 12. a blower; 13. An air inlet pipe; 14. an exhaust fan; 15. an air outlet pipe; 16. an auxiliary exhaust duct; 17. a filter box; 18. an activated carbon plate; 19. a box door; 20. sealing rubber; 21. a chute; 22. a normal temperature zone; 23. a freezing zone; 24. A seal member; 25. a refrigeration plate; 26. a controller; 27. an alarm; 28. a wind sensor; 29. a gas sensor; 30. an ultraviolet disinfection lamp.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-6, a fume hood for biomedical research experiments comprises a hood body 1, a ventilating board 2, a top plate 3, a ventilating device 4 and a filtering device 5, wherein the hood body 1 is divided into an installation area 7 and a storage area 8 by a partition board 6 in front and at back, and the ventilating device 4 and the filtering device 5 are both arranged in the installation area 7;
one end of the ventilating plate 2 is fixedly connected with one side of the top of the cabinet body 1, a plurality of air exhaust holes 9 are uniformly distributed on the ventilating plate 2, and the air exhaust holes 9 are close to one end of the cabinet body 1;
the other end of the ventilating board 2 is fixedly connected with one end of the top board 3, the top board 3 is arranged right above the cabinet body 1, a plurality of air outlets 10 are uniformly distributed on the top board 3, and heating resistance wires 11 are arranged at the positions of the air outlets 10;
the ventilation device 4 comprises an air blower 12, an air inlet pipe 13, an exhaust fan 14, an air outlet pipe 15 and a plurality of auxiliary exhaust pipes 16, wherein an air outlet of the air blower 12 is connected with an air inlet of the air inlet pipe 13, and an air outlet of the air inlet pipe 13 is arranged at an air outlet 10 of the top plate 3;
the air inlet of the exhaust fan 14 is connected with the air outlet of the air outlet pipe 15, the air outlets of the auxiliary exhaust pipes are connected with the air outlet pipe 15 through a multi-way valve, and the air inlets of the auxiliary exhaust pipes are correspondingly arranged at the exhaust holes 9 on the plurality of ventilation plates 2;
the filtering device 5 comprises a filtering box 17 and a plurality of activated carbon plates 18, an air outlet of the exhaust fan 14 is connected with an air inlet of the filtering box 17, the activated carbon plates 18 are detachably arranged in the filtering box 17, and the activated carbon plates 18 are sequentially arranged along the air inlet direction of the filtering box 17.
When the device is used, the exhaust fan 14 arranged in the installation area 7 is opened, and at the moment, smoke or fine dust in the experiment process enters the auxiliary exhaust pipe 16 from the exhaust holes 9 on the ventilating plate 2 and then converges into the air outlet pipe 15; the air is discharged into the filter box 17 through the air outlet pipe 15, particulate matters and peculiar smell gases in the gases are filtered by the activated carbon plate 18 in the filter box 17, meanwhile, the air blower 12 sends air to the air outlet 10 through the air inlet pipe 13, the air is blown out downwards from the air outlet 10 on the top plate 3, whether the heating resistance wire 11 arranged at the air outlet 10 is opened or not is judged according to the temperature requirement and the environment in the laboratory, and the air blown out from the air outlet 10 blows the rising particulate matters or the pungent taste channels downwards to avoid the harm to the body caused by the fact that experimenters suck too many particulate matters.
Example 2:
as shown in fig. 1-6, in this embodiment, on the basis of embodiment 1, a box door 19 is hinged to the top of the filter box 17, and a sealing rubber 20 is disposed on the inner side of the box door 19; the two inner side walls of the filter box 17 are provided with sliding grooves 21, and the width of the sliding grooves 21 is consistent with that of the activated carbon plate 18.
The top of the filter box 17 is hinged with a box door 19, the inner side of the box door 19 is provided with sealing rubber 20, the inner side wall of the filter box 17 is provided with a chute 21, so that the activated carbon plate 18 arranged in the filter box 17 can be conveniently taken out, and the sealing rubber 20 is arranged to prevent gas from escaping along a chain joint between the box door 19 and the filter box 17 in the use process.
Example 3:
as shown in fig. 1 to 6, in this embodiment, on the basis of embodiment 1, the storage area 8 is partitioned into a normal temperature area 22 and a freezing area 23 by a partition plate 6, and one side of the normal temperature area 22 and one side of the freezing area 23 are respectively provided with a cabinet door, a sealing member 24 is arranged on an inner side wall of the cabinet door, and a refrigerating sheet 25 is arranged on an inner side wall of the freezing area 23.
The storage area 8 is divided into the normal temperature area 22 and the freezing area 23, so that experimental materials or equipment needing to be refrigerated are separately placed conveniently, and later-period use and maintenance are facilitated.
Example 4:
as shown in fig. 1-7, in this embodiment, based on embodiment 3, the fume hood further comprises a controller 26 and an alarm 27, a wind sensor 28 and a gas sensor 29 are arranged at the air outlet of the filter box 17, the signal output end of the wind sensor 28 is connected with the first signal input end of the controller 26, a signal output of the gas sensor 29 is connected to a second signal input of the controller 26, a first signal output of the controller 26 is connected to a signal input of the alarm 27, a second signal output of the controller 26 is connected to a signal input of the blower 12, a third signal output of the controller 26 is connected to a signal input of the suction fan 14, a fourth signal output end of the controller 26 is connected with a signal input end of the refrigerating sheet 25, a fifth signal output end of the controller 26 is connected with a signal input end of the heating resistance wire 11;
When the device is used, the whole device is powered on, the controller 26 controls the ultraviolet disinfection lamp 30 to light up and the refrigeration piece 25 arranged in the refrigeration area 23 (the refrigeration piece 25 is the conventional refrigeration piece 25), when an experiment is carried out, the controller 26 controls the exhaust fan 14 and the air blower 12 to work, fine particles and smoke in the experiment process enter the auxiliary exhaust duct 16 from the exhaust hole 9, and finally are filtered by the filtering device 5 arranged at the outlet of the exhaust duct in the air outlet pipe 15, the filtered gas is exhausted from the air outlet of the filtering device 5, meanwhile, the wind sensor 28 and the gas sensor 29 arranged at the air outlet of the filtering device 5 are convenient to detect the exhaust speed after working for a period of time, the gas sensor 29 is convenient to detect whether harmful substances are left in the filtered gas, and if the exhaust speed is abnormal or the harmful substances in the gas are not completely filtered, the wind sensor 28 and the gas sensor 29 detect that the exhaust speed is abnormal or the harmful substances in the gas are not completely filtered The signal is fed back to the controller 26, the controller 26 controls the alarm 27 to give an alarm, so that a user can know whether the ventilation device 4 and the filtering device 5 normally operate or not conveniently; if the electric heating wire is used in winter or in cold weather, the controller 26 can also control the heating resistance wire 11 to work, so that the air blowing downwards is warm air; the ultraviolet sterilizing lamps 30 are provided in both the normal temperature zone 22 and the freezing zone 23 for the purpose of sterilizing the instruments after use and after cleaning.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the spirit of the invention, and these are all within the scope of the invention.
Claims (5)
1. A fume hood for biomedical research experiments is characterized by comprising a hood body, a ventilating board, a top board, a ventilating device and a filtering device, wherein the hood body is divided into an installation area and a storage area by a partition board in the front and at the back, and the ventilating device and the filtering device are both arranged in the installation area;
one end of the ventilating plate is fixedly connected with one side of the top of the cabinet body, and a plurality of air exhaust holes are uniformly distributed on the ventilating plate and are close to one end of the cabinet body;
the other end of the ventilating plate is fixedly connected with one end of the top plate, the top plate is arranged right above the cabinet body, a plurality of air outlets are uniformly distributed on the top plate, and heating resistance wires are arranged at the air outlets;
the ventilation device comprises an air blower, an air inlet pipe, an exhaust fan, an air outlet pipe and a plurality of auxiliary exhaust pipes, wherein an air outlet of the air blower is connected with an air inlet of the air inlet pipe, and an air outlet of the air inlet pipe is arranged at an air outlet of the top plate;
the air inlets of the exhaust fans are connected with the air outlets of the air outlet pipes, the air outlets of the auxiliary exhaust pipes are connected with the air outlet pipes through multi-way valves, and the air inlets of the auxiliary exhaust pipes are correspondingly arranged at the air outlet holes on the plurality of ventilating plates;
the filter device comprises a filter box and a plurality of activated carbon plates, wherein an air outlet of the exhaust fan is connected with an air inlet of the filter box, the activated carbon plates are detachably arranged in the filter box, and the activated carbon plates are sequentially arranged along the air inlet direction of the filter box.
2. The fume hood for biomedical research experiments according to claim 1, wherein the top of the filter box is hinged with a box door, and the inner side of the box door is provided with sealing rubber; and sliding chutes are arranged on the two inner side walls of the filter box, and the width of each sliding chute is consistent with that of the activated carbon plate.
3. The fume hood for biomedical research and experiment according to claim 1, wherein the storage area is divided into a normal temperature area and a freezing area by a partition plate, one side of the normal temperature area and one side of the freezing area are respectively provided with a cabinet door, the inner side wall of the cabinet door is provided with a sealing element, and the inner side wall of the freezing area is provided with a refrigerating sheet.
4. The fume hood for biomedical research experiments according to claim 3, the fume hood also comprises a controller and an alarm, a wind sensor and a gas sensor are arranged at the gas outlet of the filter box, the signal output end of the wind sensor is connected with the first signal input end of the controller, the signal output end of the gas sensor is connected with the second signal input end of the controller, a first signal output end of the controller is connected with a signal input end of the alarm, a second signal output end of the controller is connected with a signal input end of the blower, the third signal output end of the controller is connected with the signal input end of the exhaust fan, the fourth signal output end of the controller is connected with the signal input end of the refrigerating sheet, and the fifth signal output end of the controller is connected with the signal input end of the heating resistance wire.
5. The fume hood for biomedical research and experiment according to claim 4, wherein ultraviolet disinfection lamps are arranged in the normal temperature zone and the freezing zone, and the ultraviolet disinfection lamps in the normal temperature zone are arranged on two opposite side walls of the normal temperature zone and on the top side wall; the ultraviolet disinfection lamp located in the freezing zone is arranged at the top of the freezing zone, and a sixth signal output end of the controller is connected with the ultraviolet disinfection lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920391921.3U CN209886364U (en) | 2019-03-26 | 2019-03-26 | A fume chamber for biological medicine research experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920391921.3U CN209886364U (en) | 2019-03-26 | 2019-03-26 | A fume chamber for biological medicine research experiment |
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| Publication Number | Publication Date |
|---|---|
| CN209886364U true CN209886364U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920391921.3U Active CN209886364U (en) | 2019-03-26 | 2019-03-26 | A fume chamber for biological medicine research experiment |
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| Country | Link |
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| CN (1) | CN209886364U (en) |
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2019
- 2019-03-26 CN CN201920391921.3U patent/CN209886364U/en active Active
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