CN213472731U - Fresh air toxin filtering device - Google Patents
Fresh air toxin filtering device Download PDFInfo
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- CN213472731U CN213472731U CN202022699847.7U CN202022699847U CN213472731U CN 213472731 U CN213472731 U CN 213472731U CN 202022699847 U CN202022699847 U CN 202022699847U CN 213472731 U CN213472731 U CN 213472731U
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Abstract
The utility model relates to a fresh air toxin filtering device, which comprises an outer shell, wherein a main pipeline is arranged in the outer shell, two ends of the main pipeline are respectively connected to the outer shell and are respectively formed into an air inlet and an air outlet, and a fan is arranged on the main pipeline and is used for driving air flow to flow from the air inlet to the air outlet; two branch air pipes are arranged on the main pipeline at intervals, one ends of the two branch air pipes are communicated with the main pipeline, and the other ends of the two branch air pipes are connected with a filter absorber in the outer shell; a branch air pipe close to the air inlet is communicated with the inlet end of the filter absorber, and the other branch air pipe is communicated with the outlet end of the filter absorber; the main pipeline section between the two branch air pipes is provided with a butterfly valve, and the two branch air pipes are respectively provided with a butterfly valve. This device has the function of ventilating with filtering the poison concurrently, and the integrated level is high, and volume, weight are little, and the butterfly valve reaction is fast, and the mode switch of ventilating is rapid, and the fan adopts the duct fan, and the wind pressure is big, and the response is fast, can establish the superpressure fast, avoids toxic gas to get into, the personnel safety on the guarantee car.
Description
Technical Field
The utility model belongs to the technical field of ventilation or aerating device, concretely relates to new trend toxin filtering device.
Background
On some special vehicles, the air in the vehicle needs to be ensured to be safely breathed, a special toxicity filtering and pressurizing system needs to be carried on the vehicle, and when the ambient air is harmful, the air in the vehicle is kept to be safely breathed by drivers and passengers through the toxicity filtering and pressurizing system. For example, CN208119026U relates to a light chemical defense vehicle, which is configured to accommodate a toxic gas filtering and pressurizing system through a storage area specially configured on the vehicle, wherein the toxic gas filtering and pressurizing system is used to filter outside air and inject the filtered air into a positive pressure area divided on the vehicle, and in a clean environment, fresh air is introduced into the vehicle by an original ventilation system on the vehicle. At present, some devices with fresh air and toxic material filtering ventilation modes are developed and assembled to be used on special vehicles, but the devices still have imperfect places, and the defects of large size, heavy weight, large noise and slow starting of a fan generally exist, so that the problems of inconvenient transportation, poor use experience and long differential pressure forming time are caused correspondingly, the reaction speed of a valve on the device is not rapid, the gas circuit switching is slow, and the overpressure establishment reaction is slow. On some special vehicles, especially on vehicle-mounted vehicles for nuclear radiation detection (a fresh air valve is required to be completely opened or closed within 0.1 second), the problems of slow air path switching, long differential pressure forming time and the like undoubtedly bring great hidden dangers to the personal health and safety of personnel on the vehicles. The technical scheme of CN208281518U relates to a butterfly valve with a valve plate capable of being opened and closed quickly, which can be effectively utilized, and on the basis, the applicant further designs a fresh air toxicity filtering system with good integration, small volume, low noise and quick fan start.
Disclosure of Invention
The above is not enough to prior art, the to-be-solved technical problem of the utility model is to provide a new trend virus filter, avoid the new trend virus filter that uses at present to exist bulky, heavy, the big, the slow problem of electric part response of weight, gain the integrated level height, subtract heavy volume of subtracting, respond faster effect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a fresh air toxin filtering device comprises an outer shell, wherein a main pipeline is arranged in the outer shell, two ends of the main pipeline are respectively connected to two openings on the outer shell and respectively form an air inlet and an air outlet, and a fan is arranged on the main pipeline and used for driving air flow to flow from the air inlet to the air outlet; two branch air pipes are arranged on the main pipeline at intervals, one ends of the two branch air pipes are communicated with the main pipeline, and the other ends of the two branch air pipes are connected with a filter absorber in the outer shell; a branch air pipe close to the air inlet is communicated with the inlet end of the filter absorber, and the other branch air pipe is communicated with the outlet end of the filter absorber; the main pipeline section between the two branch air pipes is provided with a butterfly valve, and the two branch air pipes are respectively provided with a butterfly valve.
The technical scheme is further perfected, the fan adopts a ducted fan, and the ducted fan is arranged on a branch air pipe close to the air outlet and a main pipeline section between the air outlets.
Further, a flowmeter is arranged on the main pipeline section between the ducted fan and the air outlet.
Furthermore, the inner wall of the outer shell is connected with a fan power supply, a controller, a voltage stabilizer and a power supply aerial plug so as to integrate and electrically connect.
Furthermore, a filter screen is arranged at the air inlet.
Further, the bottom surface of the outer shell and the outer wall of any side surface of the outer shell are respectively connected with a mounting plate through a vibration damping unit.
Furthermore, the vibration damping unit comprises two strip-shaped connecting plates which are opposite in parallel, a semi-circular spring steel bar is connected between the side surfaces of the two connecting plates on the same side, the plane of the semi-circular spring steel bar is vertical to the length direction of the connecting plates, the two connecting plates are respectively connected to the outer wall and the mounting plate, and the plane of the semi-circular spring steel bar is also vertical to the outer wall and the mounting plate; the two sides of the two connecting plates are connected with the spring steel bars, and the spring steel bars on the two sides are arranged at intervals along the length direction of the connecting plates respectively.
Further, the number of the vibration reduction units between the outer wall and the mounting plate is several.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a fresh air toxicity filtering device has the function of ventilating fresh air and toxicity filtering and ventilating concurrently, and the integrated level is high, and is small, and weight is little, and the butterfly valve reaction that uses is fast, and the mode switching of ventilating is rapid, and the leakproofness is good, and the whole noise is low.
2. The utility model discloses a fresh air toxin filtering device, fan adopt the duct fan, and the guarantee is ventilated and the effect of switching to the noise is low, and is small, and the wind pressure is big, and the response is fast, can establish the superpressure fast, avoids toxic gas to get into, the personnel safety on the guarantee car.
3. The utility model discloses a new trend virus trap through the setting of damping unit and mounting panel, with vehicle connection, effective vibration isolation noise reduction also reduces the vehicle and opens the influence to the device when stopping, ensures device result of use.
Drawings
FIG. 1 is a front perspective view (top view) of a fresh air toxin filter according to an embodiment;
FIG. 2 is a front perspective view (bottom view) of a fresh air toxin filter according to an embodiment;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a side perspective view of a fresh air toxin filter according to an embodiment;
the air purifier comprises an outer shell 1, a main pipeline 2, an air inlet 21, a filter screen 211, an air outlet 22, a first butterfly valve 23, a ducted fan 24, a flow meter 25, a branch air pipe 4, a second butterfly valve 41, a third butterfly valve 42, a filter absorber 43, a power supply aviation plug 5, a voltage stabilizer 6, a controller 7, a fan power supply 8, a damping unit 9, a connecting plate 91, spring steel bars 92 and a mounting plate 10.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-4, in the drawings, for convenience of illustrating an internal structure, a top plate and a side vertical plate of a rectangular outer casing 1 are omitted, and a fresh air toxin filtering device according to a specific embodiment includes the outer casing 1, a main pipe 2 is arranged in the outer casing 1, two ends of the main pipe 2 are respectively connected to two openings on the outer casing 1 and respectively form an air inlet 21 and an air outlet 22, generally, two ends of the main pipe 2 penetrate through the outer casing 1 and pass through the outer casing for sealing, and a fan is arranged on the main pipe 2 and used for driving an air flow to flow from the air inlet 21 to the air outlet 22; two branch gas pipes 4 are arranged on the main pipeline 2 at intervals, one ends of the two branch gas pipes 4 are communicated with the main pipeline 2, and the other ends of the two branch gas pipes 4 are connected to a filtering absorber 43 which is detachably fixed in the outer shell 1; the branch gas pipe 4 close to the gas inlet 21 is communicated with the inlet end of the filter absorber 43, and the other branch gas pipe 4 is communicated with the outlet end of the filter absorber 43; a first butterfly valve 23 is arranged on the main pipeline section between the two branch air pipes 4, a second butterfly valve 41 is arranged on the branch air pipe 4 close to the air inlet 21, and a third butterfly valve 42 is arranged on the other branch air pipe 4.
The fresh air toxin filtering device has the functions of fresh air ventilation and toxin filtering ventilation, when the fresh air toxin filtering device is carried on a vehicle, when the vehicle normally moves in clean air, the first butterfly valve 23 is opened, the second butterfly valve 41 and the third butterfly valve 42 are in a closed state, the device is in a clean ventilation state, and the clean air is driven by a fan to provide sufficient fresh air for the interior of the vehicle through the main pipeline 2; when the vehicle moves to a working area, the vehicle detects toxic substances, the first butterfly valve 23 is closed, the second butterfly valve 41 and the third butterfly valve 42 are opened, the device is in a toxin filtering and ventilating state, air enters the filtering absorber 43 through the branch air pipe 4 close to the air inlet 21 under the driving of the fan, and the air subjected to toxin filtering is introduced into the vehicle through the other branch air pipe 4, the main pipeline 2 and the air outlet 22, so that the safety of the vehicle and personnel can be ensured to pass through the toxic area. The fresh air toxin filtering device has the advantages of high integration level, small volume, light weight, quick response of the used butterfly valve, quick switching of the ventilation mode (within 0.1 second), good sealing property and low overall noise.
The fan is a ducted fan 24, and the ducted fan 24 is arranged on a main pipeline section between the branch air pipe 4 close to the air outlet 22 and the air outlet 22.
Like this, the guarantee ventilates and the effect of switching to the noise is low, and is small, and the wind pressure is big, starts soon (in 0.05 seconds), can establish the superpressure fast, avoids toxic gas to get into, the personnel safety on the guarantee car.
Please refer to fig. 4, wherein a flow meter 25 is disposed on a main pipe section between the ducted fan 24 and the air outlet 22, and the inner wall of the outer casing 1 is connected with the fan power supply 8, the controller 7, the voltage stabilizer 6, and the power supply socket 5 for integrated electrical connection. During implementation, power supply aviation plug 5 electricity is connected stabiliser 6, 6 electricity connection fan power 8 of stabiliser, duct fan 24 is connected to fan power 8 electricity, and power supply aviation plug 5 still electricity connection director 7, and controller 7 control connection fan power 8, each butterfly valve (steering wheel on the butterfly valve, proximity switch), flowmeter 25 feedback connection director 7.
Thus, the integration is further improved, and less space on the vehicle is occupied.
Please refer to fig. 2, wherein a strainer 211 is disposed at the air inlet 21. The suction of large-volume impurities can be avoided.
Wherein, air inlet 21 and gas outlet 22 are located the both ends of shell body 1 respectively, connect mounting panel 10 through damping unit 9 respectively on the bottom surface of shell body 1 and the outer wall of any side, be connected through the corresponding position of mounting panel 10 with the vehicle, can the damping fall make an uproar, improve the environmental suitability of device, guarantee life.
Please refer to fig. 3, wherein the damping unit 9 includes two strip-shaped connection plates 91, the two connection plates 91 are opposite to each other in parallel, a semi-circular spring steel bar 92 is connected between the same side surfaces of the two connection plates 91, a plane (determined plane) where the semi-circular spring steel bar 92 is located is perpendicular to the length direction of the connection plates 91, the two connection plates 91 are respectively connected to the outer wall and the mounting plate 10, and the plane where the semi-circular spring steel bar 92 is located is also perpendicular to the outer wall and the mounting plate 10; the two sides of the two connecting plates 91 are connected with the spring steel bars 92, and the spring steel bars 92 on the two sides are respectively provided with a plurality of spring steel bars 92 at intervals along the length direction of the connecting plates 91.
In this way an effective vibration damping connection is provided. In this embodiment, eight damping units 9 are disposed between the outer wall of the bottom surface of the outer casing 1 and the corresponding mounting plate 10, and two damping units 9 are disposed between the outer wall of the side surface of the outer casing 1 and the corresponding mounting plate 10 to reduce the influence on the device when the vehicle is started or stopped.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. A fresh air toxin filtering device comprises an outer shell, wherein a main pipeline is arranged in the outer shell, two ends of the main pipeline are respectively connected to two openings on the outer shell and respectively form an air inlet and an air outlet, and a fan is arranged on the main pipeline and used for driving air flow to flow from the air inlet to the air outlet; the method is characterized in that: two branch air pipes are arranged on the main pipeline at intervals, one ends of the two branch air pipes are communicated with the main pipeline, and the other ends of the two branch air pipes are connected with a filter absorber in the outer shell; a branch air pipe close to the air inlet is communicated with the inlet end of the filter absorber, and the other branch air pipe is communicated with the outlet end of the filter absorber; the main pipeline section between the two branch air pipes is provided with a butterfly valve, and the two branch air pipes are respectively provided with a butterfly valve.
2. The fresh air toxin filter according to claim 1, wherein: the fan adopts the duct fan, the duct fan locate be close to the branch road trachea of gas outlet with on the trunk line section between the gas outlet.
3. The fresh air toxin filter according to claim 2, wherein: and a flowmeter is arranged on the main pipeline section between the ducted fan and the air outlet.
4. The fresh air toxin filter according to claim 1, wherein: the inner wall of the outer shell is connected with a fan power supply, a controller, a voltage stabilizer and a power supply aerial plug so as to integrate and electrically connect.
5. The fresh air toxin filter according to claim 1, wherein: and a filter screen is arranged at the air inlet.
6. The fresh air toxin filter according to claim 1, wherein: and the bottom surface of the outer shell and the outer wall of any side surface are respectively connected with a mounting plate through a vibration reduction unit.
7. The fresh air toxin filter according to claim 6, wherein: the damping unit comprises two strip-shaped connecting plates which are opposite in parallel, a semi-circular spring steel bar is connected between the side surfaces of the two connecting plates on the same side, the plane of the semi-circular spring steel bar is vertical to the length direction of the connecting plates, the two connecting plates are respectively connected to the outer wall and the mounting plate, and the plane of the semi-circular spring steel bar is also vertical to the outer wall and the mounting plate;
the two sides of the two connecting plates are connected with the spring steel bars, and the spring steel bars on the two sides are arranged at intervals along the length direction of the connecting plates respectively.
8. The fresh air toxin filter according to claim 7, wherein: the damping units between the outer wall and the mounting plate are arranged in a plurality of numbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022699847.7U CN213472731U (en) | 2020-11-19 | 2020-11-19 | Fresh air toxin filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022699847.7U CN213472731U (en) | 2020-11-19 | 2020-11-19 | Fresh air toxin filtering device |
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| Publication Number | Publication Date |
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| CN213472731U true CN213472731U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022699847.7U Active CN213472731U (en) | 2020-11-19 | 2020-11-19 | Fresh air toxin filtering device |
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| CN (1) | CN213472731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356755A (en) * | 2020-11-24 | 2021-02-12 | 重庆建安仪器有限责任公司 | Small nuclear radiation detection system |
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2020
- 2020-11-19 CN CN202022699847.7U patent/CN213472731U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356755A (en) * | 2020-11-24 | 2021-02-12 | 重庆建安仪器有限责任公司 | Small nuclear radiation detection system |
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