CN212746821U - Negative pressure isolation window type exhaust device - Google Patents
Negative pressure isolation window type exhaust device Download PDFInfo
- Publication number
- CN212746821U CN212746821U CN202021336951.3U CN202021336951U CN212746821U CN 212746821 U CN212746821 U CN 212746821U CN 202021336951 U CN202021336951 U CN 202021336951U CN 212746821 U CN212746821 U CN 212746821U
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- China
- Prior art keywords
- exhaust duct
- fixedly connected
- negative pressure
- exhaust device
- exhaust
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- 238000002955 isolation Methods 0.000 title claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 claims description 4
- 230000002421 anti-septic effect Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 241000700605 Viruses Species 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 229920001821 foam rubber Polymers 0.000 abstract description 2
- 239000012080 ambient air Substances 0.000 abstract 1
- 244000052616 bacterial pathogen Species 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 239000000645 desinfectant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 208000035473 Communicable disease Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 206010003757 Atypical pneumonia Diseases 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010069767 H1N1 influenza Diseases 0.000 description 1
- 208000002979 Influenza in Birds Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 206010064097 avian influenza Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 201000010740 swine influenza Diseases 0.000 description 1
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Abstract
The utility model discloses a window formula exhaust device is kept apart to negative pressure, including exhaust duct, exhaust duct lateral wall intercommunication is equipped with two air-supply lines, two all be equipped with the dust screen in the air-supply line, exhaust duct inner wall fixedly connected with fan, top fixedly connected with fixing base in the exhaust duct, the fixing base lower wall is equipped with the filter screen, be equipped with cleaning mechanism and spray mechanism in the exhaust duct. The utility model discloses a set up disinfect box and atomizer, prevent that the virus among the ambient air from getting into the negative pressure isolation cabin, need not the staff simultaneously and take out the filter screen from exhaust device and clear up again, clean process is convenient, has saved manpower and time, still sets up the foam-rubber cushion through bottom in exhaust device, avoids exhaust device bottom to pile up the antiseptic solution, and then has improved the life of device.
Description
Technical Field
The utility model relates to an exhaust device technical field especially relates to a window formula exhaust device is kept apart to negative pressure.
Background
In recent years, with the emergence of epidemic infectious diseases such as atypical pneumonia, avian influenza, H1N1 influenza a and the like which seriously harm human health, how to effectively prevent and control the infectious diseases and eliminate cross infection in time has become a focus of attention of all countries in the world, a negative pressure isolation cabin is an effective control device specially for the spread diseases, a negative pressure isolation window is arranged on the outer side of the negative pressure isolation cabin, and because a plurality of viruses exist in the air in the cabin, the air in the cabin needs to be fully circulated through an air exhaust device, and the existing air exhaust device generally has the following defects:
1. because the air in the negative pressure isolation cabin contains a certain amount of pathogenic bacteria, the pathogenic bacteria can generate convection with the outside air through the exhaust device, and the existing exhaust device is generally not provided with a sterilization device, so that some pathogenic bacteria can float or adhere to the inside of the exhaust device, and can be brought into the cabin when the outside fresh air exhaust device enters the negative pressure isolation cabin, thereby causing secondary pollution of the air;
2. in the long-term in-process of using at exhaust device, its inside filter screen surface can the adhesion a certain amount of dust, and these dusts are attached to for a long time and are gone up the filter effect that leads to the filter screen and reduce on the filter screen, and current exhaust device does not generally have the function of clean filter screen, so need the staff regularly to take out the filter screen from exhaust device and clear up, and operation process is loaded down with trivial details, has wasted manpower and time moreover.
Therefore, it is necessary to design a negative pressure isolation window type exhaust device to solve the above problems.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a negative pressure isolation window type exhaust device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a window formula exhaust device is kept apart to negative pressure, includes exhaust duct, exhaust duct lateral wall intercommunication is equipped with two air-supply lines, two all be equipped with the dust screen in the air-supply line, exhaust duct inner wall fixedly connected with fan, top fixedly connected with fixing base in the exhaust duct, the fixing base lower wall is equipped with the filter screen, be equipped with clean mechanism and spray mechanism in the exhaust duct.
Preferably, the cleaning mechanism comprises a motor fixedly connected to the upper wall of the exhaust duct, an output shaft of the motor penetrates through the upper wall of the exhaust duct and is fixedly connected with a second reciprocating lead screw, a movable plate is in threaded connection with the side wall of the second reciprocating lead screw, a friction plate is fixedly connected to the side wall of the movable plate, which is close to the filter screen, and a dust collection box is arranged at the bottom in the exhaust duct.
Preferably, the spraying mechanism includes the first reciprocal lead screw of rotation connection at the exhaust duct inner wall, the first bevel gear of first reciprocal lead screw one end fixedly connected with, the reciprocal lead screw lateral wall fixedly connected with second bevel gear of second, shown first bevel gear and second bevel gear meshing, first reciprocal lead screw lateral wall threaded connection has the movable block, movable block lateral wall fixedly connected with disinfect box, disinfect box lower wall intercommunication is equipped with atomizer, exhaust duct upper wall fixedly connected with liquid reserve tank, the disinfect box passes through bellows and liquid reserve tank lower wall intercommunication.
Preferably, a tank cover is arranged on the liquid storage tank, and the tank cover is in threaded connection with the liquid storage tank.
Preferably, an opening is formed in the side wall of the exhaust duct, and an air deflector is arranged in the opening.
Preferably, the filter screen is made of nylon, and the friction plate is made of rubber.
The utility model discloses in have following beneficial effect:
1. the utility model discloses a set up disinfect box and atomizer, make the antiseptic solution in the disinfect box spout from the atomizer, on the one hand can kill the inside floated of exhaust device and the germ of adhesion, prevent these germs from following the air and entering the negative pressure isolation cabin once more, avoid the secondary pollution of air, on the other hand can carry out sterilization to the air that enters the exhaust device from the external world, prevent the virus in the external air from entering the negative pressure isolation cabin;
2. the utility model discloses a set up the cleaning mechanism, make the motor drive the rotation of second reciprocating screw, and then drive connecting plate and friction plate and do reciprocating motion along the second reciprocating screw, and then make the friction plate rub the filter screen of nylon material, make the friction plate surface produce a large amount of static, can adsorb the dust on filter screen surface, finally make the dust drop in the dust collection box and carry out the unified processing, can guarantee the filter effect of filter screen, need not the staff to take out the filter screen from exhaust device and clear up again, the cleaning process is convenient, manpower and time have been saved;
3. the utility model discloses a bottom sets up the foam-rubber cushion in exhaust device, can adsorb the antiseptic solution of device bottom, avoids exhaust device bottom to pile up the antiseptic solution, prevents that accumulational antiseptic solution from contacting certain accurate electronic component, causes the damage to the inside part of device, and then has improved the life of device.
Drawings
Fig. 1 is a schematic structural view of a negative pressure isolation window type exhaust device provided by the present invention;
fig. 2 is a sectional view of the negative pressure isolating window type exhaust device in the direction of a-a.
In the figure: the device comprises an exhaust duct 1, an air inlet pipe 2, a dust screen 3, a valve 4, a fan 5, a sponge cushion 6, a first reciprocating lead screw 7, a moving block 8, a sterilizing box 9, an atomizing nozzle 10, a corrugated pipe 11, a liquid storage box 12, a fixed seat 13, a motor 14, a first bevel gear 15, a second bevel gear 16, a second reciprocating lead screw 17, a connecting plate 18, a friction plate 19, a filter screen 20, a dust collection box 21 and an air deflector 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a window formula exhaust device is kept apart to negative pressure, including exhaust duct 1, exhaust duct 1 lateral wall is equipped with the opening, be equipped with aviation baffle 22 in the opening, exhaust duct 1 lateral wall intercommunication is equipped with two air-supply ducts 2, all be equipped with dust screen 3 in two air-supply ducts 2, can prevent that the dust in the air from getting into inside the device, cause the damage to the inside component of device, exhaust duct 1 inner wall fixedly connected with fan 5, top fixedly connected with fixing base 13 in exhaust duct 1, the cross section of fixing base 13 is the U type structure, fixing base 13 lower wall is equipped with filter screen 20.
Be equipped with clean mechanism in exhaust duct 1, clean mechanism includes the motor 14 of fixed connection at the 1 upper wall of exhaust duct, the output shaft of motor 14 runs through the 1 upper wall of exhaust duct and the reciprocal lead screw 17 of fixedly connected with second, the reciprocal lead screw 17 lateral wall threaded connection of second has connecting plate 18, the connecting plate 18 lateral wall closely laminates with the 1 inner wall of exhaust duct, it rotates to drive connecting plate 18 when preventing the reciprocal lead screw 17 of second from rotating, make connecting plate 18 can only reciprocate along the reciprocal lead screw 17 of second, connecting plate 18 is close to the lateral wall fixedly connected with friction plate 19 of filter screen 20, the bottom is equipped with dust collection box 21 in exhaust duct 1, filter screen 20 is the nylon material, the material of friction plate 19 is rubber, can produce a large amount of static when making friction plate 19 and filter screen 20 rub, and then can adsorb the dust on filter screen 20 surface on friction.
A spraying mechanism is arranged in the exhaust duct 1, the spraying mechanism comprises a first reciprocating lead screw 7 which is rotatably connected to the inner wall of the exhaust duct 1, one end of the first reciprocating lead screw 7 is fixedly connected with a first bevel gear 15, the side wall of a second reciprocating lead screw 17 is fixedly connected with a second bevel gear 16, the first bevel gear 15 is meshed with the second bevel gear 16, the side wall of the first reciprocating lead screw 7 is in threaded connection with a moving block 8, the upper wall of the moving block 8 is tightly attached to the inner top of the exhaust duct 1, the moving block 8 is prevented from being driven to rotate when the first reciprocating lead screw 7 rotates, so that the moving block 8 can only horizontally move along the first reciprocating lead screw 7, the side wall of the moving block 8 is fixedly connected with a disinfection box 9, the lower wall of the disinfection box 9 is communicated with an atomization spray head 10, the upper wall of the exhaust duct 1 is fixedly connected with a, the tank cover is in threaded connection with the liquid storage tank 12.
The utility model discloses during the use, start fan 5, in fan 5 inhales two air-supply lines 2 with external air, and then get into exhaust pipe 1, when the air passes through two air-supply lines 2, great dust and impurity can be adsorbed by two dust screens 3 in the air, prevent that the dust from getting into inside exhaust pipe 1, and then damage the inside electronic component of exhaust pipe 1, then the air passes through filter screen 20 under fan 5's effect, finally insufflates the negative pressure isolation room from aviation baffle 22.
When needs are disinfected in the negative pressure isolation room, open valve 4, disinfectant is equipped with in the liquid reserve tank 12, and disinfectant can get into disinfect box 9 through bellows 11 under the effect of self gravity, and then get into atomizer 10 and be spouted by atomizer 10, is the water smoke form by spun antiseptic solution, and these water smoke form antiseptic solutions can follow the air and get into the negative pressure isolation room through aviation baffle 22, can disinfect and disinfect to the air in the negative pressure isolation room.
After the antiseptic solution in disinfect box 9 used up, the case lid on the liquid reserve tank 12 can be opened to the staff, then adds the antiseptic solution in the liquid reserve tank 12 and screws on the case lid, and the antiseptic solution can flow into in disinfect box 9 through bellows 11, makes atomizer 10 can continue to spout the antiseptic solution.
After the exhaust duct 1 works for a period of time, some fine dust can be adsorbed on the surface of the filter screen 20 inside the exhaust duct, and then the dust needs to be cleaned, and the specific cleaning process is as follows: the motor 14 is started, the motor 14 drives the second reciprocating screw 17 to rotate, the connecting plate 18 is made to move up and down, the friction plate 19 is made to rub the filter screen 20, the friction plate 19 is made of rubber, and the filter screen 20 is made of nylon, so that a large amount of static electricity is generated on the surface of the friction plate 19 in the rubbing process, dust on the surface of the filter screen 20 can be adsorbed on the surface of the friction plate 19, when the connecting plate 18 moves to the lower end of the second reciprocating screw 17, the motor 14 is turned off, the friction plate 19 does not rub the filter screen 20 any more, the static electricity on the surface of the friction plate 19 disappears gradually, the dust adsorbed on the surface of the friction plate falls into the dust collection box 21, and a worker takes out the dust collection box 21 and performs unified.
When the second reciprocating screw 17 rotates, the second reciprocating screw 17 can drive the first reciprocating screw 7 to rotate through the second bevel gear 16 and the first bevel gear 15, further drive the moving block 8 to reciprocate in the horizontal direction, further drive the disinfection box 9 and the atomizing nozzle 10 to reciprocate, the whole exhaust duct 1 can be filled with the foggy disinfectant of water, the exhaust duct 1 is sterilized and disinfected, the foggy disinfectant of water finally can fall on the inner bottom of the exhaust duct 1, and further is absorbed by the sponge cushion 6, and a worker can take out the sponge cushion 6 and process the sponge cushion.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a window formula exhaust device is kept apart to negative pressure, includes exhaust duct (1), its characterized in that, exhaust duct (1) lateral wall intercommunication is equipped with two air-supply lines (2), two all be equipped with dust screen (3) in air-supply line (2), exhaust duct (1) inner wall fixedly connected with fan (5), top fixedly connected with fixing base (13) in exhaust duct (1), fixing base (13) lower wall is equipped with filter screen (20), be equipped with clean mechanism and spraying mechanism in exhaust duct (1).
2. The negative pressure isolation window type exhaust device as claimed in claim 1, wherein the cleaning mechanism comprises a motor (14) fixedly connected to the upper wall of the exhaust duct (1), an output shaft of the motor (14) penetrates through the upper wall of the exhaust duct (1) and is fixedly connected with a second reciprocating lead screw (17), a connecting plate (18) is in threaded connection with the side wall of the second reciprocating lead screw (17), a friction plate (19) is fixedly connected to the side wall of the connecting plate (18) close to the filter screen (20), and a dust collection box (21) is arranged at the bottom in the exhaust duct (1).
3. The negative pressure isolating window type exhaust device as claimed in claim 2, the spraying mechanism comprises a first reciprocating screw rod (7) which is rotationally connected with the inner wall of the exhaust pipeline (1), one end of the first reciprocating screw rod (7) is fixedly connected with a first bevel gear (15), a second bevel gear (16) is fixedly connected with the side wall of the second reciprocating screw rod (17), the first bevel gear (15) is meshed with the second bevel gear (16), the side wall of the first reciprocating screw rod (7) is in threaded connection with a moving block (8), the side wall of the moving block (8) is fixedly connected with a disinfection box (9), the lower wall of the disinfection box (9) is communicated with an atomizing nozzle (10), the upper wall of the exhaust pipeline (1) is fixedly connected with a liquid storage box (12), the sterilizing box (9) is communicated with the lower wall of the liquid storage box (12) through a corrugated pipe (11).
4. A negative pressure isolating window type exhaust device according to claim 3, wherein a cover is provided on the liquid storage tank (12), and the cover is screwed with the liquid storage tank (12).
5. The negative pressure isolation window type exhaust device as claimed in claim 1, wherein the side wall of the exhaust duct (1) is provided with an opening, and an air deflector (22) is arranged in the opening.
6. The negative pressure isolating window type exhaust device as claimed in claim 2, wherein the filter screen (20) is made of nylon, and the friction plate (19) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021336951.3U CN212746821U (en) | 2020-07-09 | 2020-07-09 | Negative pressure isolation window type exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021336951.3U CN212746821U (en) | 2020-07-09 | 2020-07-09 | Negative pressure isolation window type exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212746821U true CN212746821U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021336951.3U Active CN212746821U (en) | 2020-07-09 | 2020-07-09 | Negative pressure isolation window type exhaust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212746821U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790493A (en) * | 2021-10-18 | 2021-12-14 | 陈文� | Air cleaning system in shelter |
| CN113975959A (en) * | 2021-10-12 | 2022-01-28 | 华能嘉祥发电有限公司 | Air exhaust device for chemical storage room |
| CN115350543A (en) * | 2022-10-19 | 2022-11-18 | 徐州嘉搏纺织股份有限公司 | Effective removing equipment for rotary self-friction type flying textile wadding |
-
2020
- 2020-07-09 CN CN202021336951.3U patent/CN212746821U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113975959A (en) * | 2021-10-12 | 2022-01-28 | 华能嘉祥发电有限公司 | Air exhaust device for chemical storage room |
| CN113790493A (en) * | 2021-10-18 | 2021-12-14 | 陈文� | Air cleaning system in shelter |
| CN115350543A (en) * | 2022-10-19 | 2022-11-18 | 徐州嘉搏纺织股份有限公司 | Effective removing equipment for rotary self-friction type flying textile wadding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A negative pressure isolation window exhaust device Granted publication date: 20210319 Pledgee: China Everbright Bank Co.,Ltd. Pledgor: SHANGHAI JUNKAI ENVIRONMENTAL PROJECT CO.,LTD. Registration number: Y2024310000903 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |