CN221349336U - Negative pressure operating room side wall exhaust device - Google Patents
Negative pressure operating room side wall exhaust device Download PDFInfo
- Publication number
- CN221349336U CN221349336U CN202323270338.2U CN202323270338U CN221349336U CN 221349336 U CN221349336 U CN 221349336U CN 202323270338 U CN202323270338 U CN 202323270338U CN 221349336 U CN221349336 U CN 221349336U
- Authority
- CN
- China
- Prior art keywords
- exhaust
- air
- operating room
- negative pressure
- hollow shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 13
- 239000000645 desinfectant Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 244000005700 microbiome Species 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000020029 respiratory tract infectious disease Diseases 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
The utility model discloses a negative pressure operating room side wall exhaust device, which relates to the technical field of medical ventilation facilities and comprises an exhaust channel, an exhaust fan is arranged at an air inlet of the exhaust channel through a fixing frame, the negative pressure operating room side wall exhaust device also comprises a high-efficiency filter, a disinfection and purification mechanism and a liquid discharging component, wherein the high-efficiency filter comprises a mounting frame sleeved at an air outlet of the exhaust channel, and a central rotating shaft is transversely arranged in the mounting frame.
Description
Technical Field
The utility model belongs to the technical field of medical ventilation facilities, and particularly relates to a side wall exhaust device of a negative pressure operating room.
Background
The operating room is a special space of a hospital, and needs to ensure a sterile environment and ensure that the operating patient is not infected, so that the air environment of the operating room must be systematically controlled. The negative pressure operating room is mainly used for operating patients with respiratory tract infectious diseases, and because the disease has certain infectivity, the patients need to be isolated, the infection in the operating process is avoided, the existing infection operation needs to be carried out in the negative pressure operating room, and the national standard of the building design rule of the clean operating department of the hospital and the national standard of the building design rule of the infectious disease hospital all require that a high-efficiency filter is arranged in an air outlet of the operating room during the negative pressure operation.
Patent grant number is CN212619016U, disclose negative pressure operating room side wall exhaust device, filter operating room exhaust wind through the filter, and can regularly tear filter mantle and filter component down and clear up, but because contain more microorganism germ in the gas in the negative pressure operating room, only filter the filtration burden that not only can increase the filter through simple filter to the air, need frequently dismantle the washing filter moreover, intangible also increased medical personnel's work burden, and exhaust device uses the back for a long time can remain a large amount of germ and can't be cleared up the elimination in the passageway of airing exhaust, also there is certain adverse effect.
Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model provides the negative pressure operating room side wall exhaust device, which can reduce the filtering pressure of the high-efficiency filter and prolong the service life of the high-efficiency filter while realizing the internal disinfection of the exhaust device.
The utility model solves the technical problems by adopting the scheme that: the side wall exhaust device of the negative pressure operating room comprises an exhaust channel, an exhaust fan is arranged at an air inlet of the exhaust channel through a fixing frame, and the side wall exhaust device also comprises a high-efficiency filter, a disinfection and purification mechanism and a liquid discharging component, wherein the high-efficiency filter comprises an installation frame sleeved at an air outlet of the exhaust channel, a central rotating shaft is transversely arranged in the installation frame, a driving piece for controlling the rotation of the central rotating shaft is arranged in the installation frame, a plurality of layers of filter plates are symmetrically arranged in the installation frame through filter plate frames, and the plurality of layers of filter plates are symmetrically arranged at two ends of the central rotating shaft and are connected with the central rotating shaft through connecting pieces; the disinfection and purification mechanism comprises a hollow shaft which is transversely sleeved in an exhaust passage in a rotating way, the surface of the hollow shaft is provided with guide vanes, the surface of the hollow shaft is provided with spray holes, a disinfection solution tank is arranged above the exhaust passage and is connected with the hollow shaft through a hard liquid guide pipe, and an atomization pump is arranged on the hard liquid guide pipe; the liquid discharging assembly comprises a liquid discharging channel arranged at the bottom of the air discharging channel, a liquid discharging pipe arranged below the air discharging channel is arranged at the side part of the liquid discharging channel, and a valve is arranged on the liquid discharging pipe.
Further, the left end part of the hollow shaft is rotatably sleeved on the fixing frame, the right end part of the hollow shaft is sleeved with a connector, and the hard catheter is connected with the hollow shaft through the connector.
Further, the driving piece comprises a stepping motor arranged in the installation frame, and the output end of the stepping motor is in transmission connection with the central rotating shaft through a chain wheel set.
Furthermore, the liquid discharge channel is positioned under the hollow shaft, and inclined parts for guiding liquid are symmetrically arranged on two sides of the liquid discharge channel.
Further, a filter screen positioned at the outer side of the exhaust fan is arranged at the air inlet of the exhaust channel.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the high-efficiency filter and the disinfection and purification mechanism are arranged, when the negative pressure operating room is exhausted through the exhaust channel, the atomization pump of the disinfection and purification mechanism can pump out disinfection liquid in the disinfection liquid tank and spray the disinfection liquid out of the spray hole of the hollow shaft, the gas in the exhaust channel and the interior of the exhaust channel are disinfected and sterilized through disinfection fog, so that the self disinfection and purification of the interior of the exhaust channel are realized, and when the gas enters the high-efficiency filter for filtration and purification after preliminary disinfection, the content of germ microorganisms required to be filtered and purified by the high-efficiency filter is greatly reduced as the gas is subjected to one purification step, and the filtration load of the high-efficiency filter can be lightened; after the high-efficiency filter operates for a long time, the center rotating shaft can be controlled by the driving piece to rotate, the front group of multi-layer filter plates and the rear group of multi-layer filter plates are driven to rotate and turn over, the positions of the front group of multi-layer filter plates and the rear group of multi-layer filter plates which do not reach the filtering limit are replaced to the front side, and the multi-layer filter plates at the rear side are used for continuing to perform air filtration, so that the service time of the high-efficiency filter can be prolonged, the frequency of cleaning the high-efficiency filter can be reduced, and the work load of medical staff can be lightened.
Drawings
FIG. 1 is a schematic view of the internal structure of an exhaust duct according to the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a second perspective view of the present utility model;
Fig. 4 is a schematic view of a partially cut-away structure of a high efficiency filter of the present utility model.
In the figure: 1. an exhaust passage; 2. a high-efficiency filter; 21. a mounting frame; 22. a central spindle; 23. a connecting piece; 24. a multi-layer filter plate; 25. a driving member; 251. a stepping motor; 252. a sprocket set; 3. a filter screen; 4. an exhaust fan; 5. a disinfection and purification mechanism; 51. a hollow shaft; 52. a connector; 53. a guide vane; 54. a rigid catheter; 55. a disinfectant tank; 56. an atomizing pump; 6. a liquid discharge assembly; 61. an inclined portion; 62. a liquid discharge channel; 63. a liquid discharge pipe; 64. and (3) a valve.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Referring to fig. 1-4, the utility model provides a technical scheme of a negative pressure operating room side wall exhaust device:
Examples
According to the figures 1 and 2, the device comprises an exhaust channel 1, a fixing frame is arranged at the air inlet of the exhaust channel 1, a plurality of exhaust fans 4 are arranged at the air inlet of the exhaust channel 1 through the fixing frame, the exhaust fans 4 can pump air in a negative pressure operating room into the exhaust channel 1, a filter screen 3 is arranged at the air inlet of the exhaust channel 1, the filter screen 3 is positioned at the outer side of the exhaust fans 4, the filter screen 3 can block large granular matters such as flying dust in the operating room when the exhaust fan 4 is exhausting air, an efficient filter 2 is arranged at the air outlet of the exhaust channel 1, a disinfection and purification mechanism 5 is arranged in the exhaust channel 1, a hollow shaft 51 is transversely arranged in the exhaust channel 1, the left end part of the hollow shaft 51 is rotationally sleeved on the fixing frame, a connector 52 is sleeved at the right end part of the hollow shaft 51, a spiral guide vane 53 is arranged on the surface of the hollow shaft 51, and spray holes are arranged on the surface of the hollow shaft 51, when the air in the operating room is pumped into the air exhaust channel 1, the air flow drives the guide vane 53 to rotate, the guide vane 53 can guide the air flow, a disinfectant tank 55 is arranged above the air exhaust channel 1, disinfectant playing a disinfection role is arranged in the disinfectant tank 55, a hard liquid guide tube 54 is connected to the side part of the disinfectant tank 55, the hard liquid guide tube 54 penetrates through the air exhaust channel 1 and is connected with the hollow shaft 51 through the connector 52, an atomizing pump 56 is arranged on the hard liquid guide tube 54, the atomizing pump 56 is arranged at the inner top of the air exhaust channel 1, when the air exhaust channel 1 is exhausting, the atomizing pump 56 operates, the disinfectant in the disinfectant tank 55 is pumped out and atomized and then sprayed out from a spray hole of the hollow shaft 51 through the hard liquid guide tube 54, and the air in the air exhaust channel 1 and the air exhaust channel 1 are disinfected and sterilized, meanwhile, the guide vane 53 is driven by the air flow to rotate, so that the hollow shaft 51 can be driven to rotate, the spraying range of the disinfection fog can be enlarged, the flowing time of the air in an exhaust channel can be prolonged, the disinfection effect of the air can be improved, and when the air is primarily disinfected and then enters the high-efficiency filter 2 for filtration and purification, the air is subjected to a purification step in advance, so that the content of germ microorganisms required to be filtered and purified by the high-efficiency filter 2 can be greatly reduced, the filtration burden of the high-efficiency filter 2 can be reduced, and the service life of the high-efficiency filter 2 can be prolonged; as shown in fig. 3, a liquid discharge channel 62 is arranged at the bottom of the air exhaust channel 1, the liquid discharge channel 62 is positioned under the hollow shaft 51, inclined parts 61 for guiding liquid are symmetrically arranged at two sides of the liquid discharge channel 62, a liquid discharge pipe 63 positioned under the air exhaust channel 1 is arranged at the side part of the liquid discharge channel 62, a valve 64 is arranged on the liquid discharge pipe 63, atomized and sprayed disinfectant is liquefied into liquid again after disinfecting the air and flows into the liquid discharge channel 62, and the valve 64 is opened to enable the disinfectant to be discharged from the air exhaust channel 1 through the liquid discharge assembly 6.
As shown in fig. 4, the efficient filter 2 comprises a mounting frame 21 sleeved at an air outlet of the air exhaust channel 1, a central rotating shaft 22 is transversely sleeved in the mounting frame 21, a driving piece 25 for controlling the central rotating shaft 22 to rotate is arranged in the mounting frame 21, a stepping motor 251 is mounted on the inner wall of the mounting frame 21, a driving sprocket is fixedly sleeved at the output end of the stepping motor 251 and the end part of the central rotating shaft 22, a driving chain on the driving sprocket can drive the central rotating shaft 22 to synchronously rotate along with the output shaft of the stepping motor 251, a plurality of layers of filter plates 24 are symmetrically arranged in the mounting frame 21 through filter plate frames, sequentially arranged filter layers in the plurality of layers of filter plates 24 can effectively filter bacteria, viruses, microorganisms, harmful gases and the like in the air, the plurality of filter plates 24 are symmetrically arranged at two end parts of the central rotating shaft 22 and are connected with the central rotating shaft 22 through connecting pieces 23, when the negative pressure operating room is exhausting, the two groups of multi-layer filter plates 24 are in a vertical state, the air passing through the exhaust channel 1 can be sterilized, purified and filtered, when the multi-layer filter plates 24 at the front side in the high-efficiency filter 2 are operated for a long time, the operation of the stepping motor 251 can be controlled, under the transmission effect of the chain wheel group 252, the front and rear groups of multi-layer filter plates 24 are driven to rotate through the central rotating shaft 22 to turn, the multi-layer filter plates 24 at the front side are turned to the rear side, the multi-layer filter plates 24 at the rear side are turned to the front side, the position of the multi-layer filter plates 24 is replaced, the multi-layer filter plates 24 at the front side reaching the filtering limit can be turned to the rear side, the multi-layer filter plates 24 at the rear side not reaching the filtering limit are continuously used to finish the purification and filtering operation of air, and the service life of the high-efficiency filter 2 is further prolonged, reducing the frequency of disassembly cleaning of the high efficiency filter 2.
When the negative pressure operating room side wall exhaust device is specifically used, the exhaust fan 4 is controlled to operate, gas in a negative pressure operating room is pumped into the exhaust channel 1, the atomizing pump 56 is operated, disinfectant in the disinfectant tank 55 is pumped out and atomized and then sprayed out from the spray holes of the hollow shaft 51, the gas in the exhaust channel 1 and the inside of the exhaust channel 1 are disinfected and sterilized, after the gas is primarily disinfected, the gas enters the high-efficiency filter 2 under the guide effect of the guide vane 53, firstly, the gas sequentially passes through the multi-layer filter plates 24 on the front side to be purified and filtered, and then is discharged from the air outlet of the exhaust channel 1, after the high-efficiency filter 2 is operated for a long time, the stepping motor 251 is controlled to operate, under the transmission effect of the chain wheel group 252, the front and rear multi-layer filter plates 24 are driven to rotate and turn over through the central rotating shaft 22, the positions of the front and rear multi-layer filter plates 24 are replaced, the multi-layer filter plates 24 which do not reach the filtering limit on the rear side are turned over to the front side, the air purification and filtering work is continued, and the service life of the high-efficiency filter 2 is prolonged.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a negative pressure operating room side wall exhaust device, includes the passageway of airing exhaust, and the exhaust fan is installed through the mount to the air intake of passageway of airing exhaust, its characterized in that: the high-efficiency filter comprises a mounting frame sleeved at an air outlet of an air exhaust channel, a central rotating shaft is transversely arranged in the mounting frame, a driving piece for controlling the central rotating shaft to rotate is arranged in the mounting frame, a plurality of layers of filter plates are symmetrically arranged in the mounting frame through filter plate frames, and the plurality of layers of filter plates are symmetrically arranged at two end parts of the central rotating shaft and are connected with the central rotating shaft through connecting pieces; the disinfection and purification mechanism comprises a hollow shaft which is transversely sleeved in an exhaust passage in a rotating way, the surface of the hollow shaft is provided with guide vanes, the surface of the hollow shaft is provided with spray holes, a disinfection solution tank is arranged above the exhaust passage and is connected with the hollow shaft through a hard liquid guide pipe, and an atomization pump is arranged on the hard liquid guide pipe; the liquid discharging assembly comprises a liquid discharging channel arranged at the bottom of the air discharging channel, a liquid discharging pipe arranged below the air discharging channel is arranged at the side part of the liquid discharging channel, and a valve is arranged on the liquid discharging pipe.
2. The negative pressure operating room side wall exhaust device according to claim 1, wherein: the left end part of the hollow shaft is rotatably sleeved on the fixing frame, the right end part of the hollow shaft is sleeved with a connector, and the hard catheter is connected with the hollow shaft through the connector.
3. The negative pressure operating room side wall exhaust device according to claim 1, wherein: the driving piece comprises a stepping motor arranged in the installation frame, and the output end of the stepping motor is in transmission connection with the central rotating shaft through a chain wheel set.
4. The negative pressure operating room side wall exhaust device according to claim 1, wherein: the liquid discharge channel is positioned under the hollow shaft, and inclined parts for guiding liquid are symmetrically arranged on two sides of the liquid discharge channel.
5. The negative pressure operating room side wall exhaust device according to claim 1, wherein: the air inlet of the air exhaust channel is provided with a filter screen positioned at the outer side of the air exhaust fan.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221349336U true CN221349336U (en) | 2024-07-16 |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111306672A (en) | Indirect and direct evaporative cooling air conditioning unit with disinfection and self-cleaning functions | |
| CN221349336U (en) | Negative pressure operating room side wall exhaust device | |
| CN207050114U (en) | Air cleaning unit | |
| CN2711601Y (en) | Air purifier | |
| CN212108842U (en) | Air conditioning unit combining self-cleaning device and two-stage evaporative cooling | |
| CN213873009U (en) | Medical treatment building degerming air purification system | |
| CN105214124B (en) | Medical attraction system purifies tapping equipment | |
| CN213599507U (en) | Ventilation unit of operating room gas purification | |
| CN212644876U (en) | Mobile ventilation diagnosis and treatment equipment for preventing cross infection between doctors and patients in diagnosis and treatment process | |
| CN210543824U (en) | A filtration disinfection facility for hospital ward | |
| CN209944337U (en) | Special catalytic reduction device of cremator tail gas | |
| CN216629261U (en) | Multistage filtration cross infection prevention negative pressure disinfection and purification centralized control equipment | |
| CN105617438B (en) | Hospital operating room air disinfector | |
| CN2564924Y (en) | Clean air conditioner system | |
| CN113970153B (en) | Ultraviolet air disinfection and purification lighting device | |
| CN215863909U (en) | Sterilizing machine with multi-layer sterilizing structure | |
| CN220103396U (en) | Air disinfection equipment for fan coil unit | |
| CN212408984U (en) | Hospital is with ventilation degassing unit | |
| CN220582613U (en) | Purifying and ventilating structure for operating room | |
| CN213066455U (en) | Central air conditioning wind cabinet degassing unit | |
| CN212680592U (en) | Anesthesia department is with anesthesia waste gas pump drainage device | |
| CN219473866U (en) | Operating room clean system | |
| CN219119521U (en) | Cross flow fan and air sterilizer using same | |
| CN216170992U (en) | Workshop dust collector is used in corn processing | |
| CN218955109U (en) | Water bath type air sterilizing and purifying machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |