CN220656866U - Medical negative pressure unit - Google Patents
Medical negative pressure unit Download PDFInfo
- Publication number
- CN220656866U CN220656866U CN202322263257.3U CN202322263257U CN220656866U CN 220656866 U CN220656866 U CN 220656866U CN 202322263257 U CN202322263257 U CN 202322263257U CN 220656866 U CN220656866 U CN 220656866U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- air outlet
- pressure unit
- air inlet
- medical negative
- 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
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 7
- 241000894006 Bacteria Species 0.000 description 11
- 241000700605 Viruses Species 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 10
- 231100000719 pollutant Toxicity 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 230000017525 heat dissipation Effects 0.000 description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The utility model discloses a medical negative pressure unit, which comprises: the inner part of the shell is provided with a main chamber and a plurality of auxiliary chambers, and each auxiliary chamber is provided with an openable cabinet door; the filters are arranged in the auxiliary chambers in a one-to-one correspondence manner, each filter is provided with an air inlet end and an air outlet end, the air inlet ends extend out of the auxiliary chambers, each air inlet end is provided with an air inlet valve, the air outlet ends extend into the main chambers, and each air outlet end is provided with an air outlet valve; an intake pipe communicating a plurality of the intake ends; the negative pressure generating assembly is arranged in the main cavity and communicated with the air outlet ends. According to the medical negative pressure unit, when the filter element in one filter is replaced, the negative pressure generating component keeps working normally, and the normal use of equipment in a hospital is ensured. The utility model can be applied to the field of vacuum negative pressure units.
Description
Technical Field
The utility model relates to the field of vacuum negative pressure units, in particular to a medical negative pressure unit.
Background
The medical negative pressure unit is used for providing negative pressure for equipment in a hospital, so that the air of the equipment is sucked to the medical negative pressure unit, the air is discharged to the outside from the medical negative pressure unit, and the air possibly contains pollutants such as viruses or bacteria, so that the medical negative pressure unit generally needs to be provided with a filter assembly for filtering the air, and the filter assembly intercepts the pollutants such as viruses or bacteria in the air. However, the filter assembly must periodically replace the internal filter element, and the medical negative pressure unit needs to be deactivated in the process of replacing the filter element, which affects the normal use of the hospital equipment.
Disclosure of Invention
The utility model aims to provide a medical negative pressure unit, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.
The technical scheme adopted for solving the technical problems is as follows:
a medical negative pressure unit comprising:
the inner part of the shell is provided with a main chamber and a plurality of auxiliary chambers, and each auxiliary chamber is provided with an openable cabinet door;
the filters are arranged in the auxiliary chambers in a one-to-one correspondence manner, each filter is provided with an air inlet end and an air outlet end, the air inlet ends extend out of the auxiliary chambers, each air inlet end is provided with an air inlet valve, the air outlet ends extend into the main chambers, and each air outlet end is provided with an air outlet valve;
an intake pipe communicating a plurality of the intake ends;
the negative pressure generating assembly is arranged in the main cavity and communicated with the air outlet ends.
The beneficial effects of the utility model are as follows: when the filter element in the filter needs to be replaced, the negative pressure generating component keeps working normally, the air inlet valve and the air outlet valve of the filter without replacing the filter element are opened, then the air inlet valve and the air outlet valve of the filter with the filter element replaced are closed, the filter element of the filter is replaced, the negative pressure generating component can still be communicated with the filter without the filter element replaced in the process, the medical negative pressure unit is enabled to work normally, and the normal use of equipment of a hospital is ensured.
As a further improvement of the technical scheme, the medical negative pressure unit further comprises a plurality of ultraviolet lamp sterilizers, and the plurality of ultraviolet lamp sterilizers are arranged in the plurality of auxiliary chambers in a one-to-one correspondence manner.
When the filter element of a certain auxiliary chamber is replaced by the filter, a small part of pollutants such as viruses or bacteria on the filter element can be dissipated into the auxiliary chamber, the ultraviolet lamp sterilizer in the auxiliary chamber is opened, the cabinet door is closed, the ultraviolet lamp sterilizer kills the pollutants such as viruses or bacteria in the auxiliary chamber, and the cabinet door can prevent the pollutants such as viruses or bacteria from being dissipated to the outside.
As a further improvement of the above technical solution, the air inlet valve and the air outlet valve are both located in the auxiliary chamber.
If leakage occurs between the air inlet valve and the air outlet valve, unfiltered air is discharged, the air inlet valve and the air outlet valve of the filter are arranged in the corresponding auxiliary chamber, and even if tiny leakage occurs between the air inlet valve and the air outlet valve, the auxiliary chamber can be sterilized by the ultraviolet lamp sterilizer, so that large-scale propagation of pollutants such as viruses or bacteria in the auxiliary chamber is avoided.
As a further improvement of the above technical solution, the ultraviolet lamp sterilizer is circumferentially disposed at the periphery of the filter.
The ultraviolet lamp sterilizer surrounds and sets up in the periphery of filter, ensures that the ultraviolet ray that the ultraviolet lamp sterilizer sent can shine the periphery of filter and the inside wall around the auxiliary chamber, reduces the sterilization blind area.
As a further improvement of the technical scheme, the edge of each cabinet door is provided with a sealing strip.
The sealing strip of the cabinet door is beneficial to sealing the gap between the cabinet door and the auxiliary chamber, so that pollutants such as viruses or bacteria in the auxiliary chamber are prevented from being dissipated to the outside; because the ultraviolet wavelength of different kinds of ultraviolet lamp sterilizers is different, partial ultraviolet lamp sends out 160nm-240nm within range's ultraviolet ray, and the ultraviolet ray of this wavelength band can produce ozone in the oxygen, consequently sealed cabinet door can avoid ozone direct release to the external world, and ozone stores in the auxiliary chamber moreover, and ozone can kill pollutants such as viruses or bacterium of auxiliary chamber with no dead angle.
As a further improvement of the technical scheme, the cabinet door is provided with a transparent observation window.
The cabinet door is provided with the transparent observation window so as to be convenient for observing whether the ultraviolet lamp sterilizer is started before the cabinet door is opened, and the ultraviolet light emitted by the ultraviolet lamp sterilizer is prevented from directly irradiating the human body.
As a further improvement of the technical scheme, the main chamber is provided with an air inlet and an air outlet, and the medical negative pressure unit further comprises a heat radiation fan which is arranged at the air outlet.
The air in the main chamber is discharged through the air outlet by the heat radiation fan, so that external air flows into the main chamber from the air inlet, and the heat radiation fan radiates heat for the negative pressure generating component in the main chamber.
As a further improvement of the above technical solution, all the auxiliary chambers are respectively located at the front side of the main chamber, the cabinet door is located at the front side of the auxiliary chamber, and the air inlet is located at the rear side of the main chamber.
All the auxiliary chambers are positioned at the front side of the main chamber, the cabinet door of the auxiliary chamber is positioned at the front side, the air inlet of the main chamber is arranged at the rear side, external air flows in from the rear of the main chamber, so that the cabinet door and the air inlet are respectively positioned at the front side and the rear side of the shell, and when the cabinet door at the front side of the auxiliary chamber is opened and the filter element of the filter is replaced, small and medium-sized pollutants such as viruses or bacteria in the filter are prevented from being inhaled by the air inlet and then are diffused to the outside through the heat dissipation fan.
As a further improvement of the above technical solution, the air outlet is disposed at an upper side of the main chamber.
The air outlet is arranged on the upper side of the main chamber, so that hotter air in the main chamber flows upwards, the hotter air is mixed with colder air and then cooled, and the colder air sinks to the periphery of the shell, so that the hot air blown out of the air outlet is prevented from directly flowing to the air inlet.
As a further improvement of the technical scheme, the air inlet valve and the air outlet valve are electromagnetic valves, and the medical negative pressure unit further comprises a controller, wherein the controller is arranged outside the shell, and the controller is connected with all the air inlet valves and all the air outlet valves.
The opening and closing of the air inlet valve and the air outlet valve of each filter are controlled by the controller, so that the operation state of the filters and the deactivation state of the filters are more intuitively observed, and the filter element of the filter is conveniently replaced.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic view of an embodiment of a medical negative pressure unit according to the present utility model;
FIG. 2 is a schematic view of a medical negative pressure unit according to another embodiment of the present utility model;
fig. 3 is a schematic cross-sectional view of an embodiment of the medical negative pressure unit provided by the utility model.
100. The device comprises a shell, 110, a main chamber, 111, an air inlet, 112, an air outlet, 120, a secondary chamber, 130, a cabinet door, 131, a sealing strip, 200, a filter, 210, an air inlet end, 211, an air inlet valve, 220, an air outlet end, 221, an air outlet valve, 300, an air inlet pipe, 400, a negative pressure generating component, 500, an ultraviolet lamp sterilizer, 600 and a heat radiation fan.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, if there is a word description such as "a plurality" or the like, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 3, the medical negative pressure unit of the present utility model makes the following embodiments:
the medical negative pressure unit comprises a shell 100, a filter 200, an air inlet pipe 300, a negative pressure generating component 400, an ultraviolet lamp sterilizer 500 and a heat radiation fan 600.
Referring to fig. 1 and 3, a main chamber 110 and sub-chambers 120 are provided in the housing 100, three sub-chambers 120 are provided in front of the main chamber 110, and the three sub-chambers 120 are arranged side by side in the left-right direction.
Referring to fig. 2, a through air inlet 111 is provided at the rear side of the main chamber 110, and a through air outlet 112 is provided at the top of the main chamber 110.
Referring to fig. 3, a negative pressure generating assembly 400 is disposed in the main chamber 110, the negative pressure generating assembly 400 includes a liquid ring type vacuum pump (not shown), a vacuum tank (not shown), an air suction pipe, a gas-liquid separator (not shown), and an exhaust pipe, the air suction end of the liquid ring type vacuum pump is communicated with the vacuum tank, the vacuum tank is communicated with the air suction pipe, the air suction pipe is disposed at the front half section of the main chamber 110, the exhaust end of the liquid ring type vacuum pump is communicated with the gas-liquid separator, the gas-liquid separator is communicated with the exhaust pipe, the exhaust pipe extends backward from the rear of the housing, and the exhaust pipe is communicated with the outside.
Referring to fig. 1 and 3, each sub-chamber 120 is provided with a filter 200, and the filter 200 has a large specific surface area and a micro-filtration core with a filtration accuracy of 0.1 to 0.2 μm, and is mainly used for preventing the entry of impurities, harmful bacteria, microorganisms, etc. in the air.
Each filter 200 is provided with an air inlet end 210 and an air outlet end 220, the air inlet end 210 is positioned at the front side of the filter 200, the air outlet end 220 is positioned at the rear side of the filter 200, the air inlet end 210 is provided with an air inlet pipeline extending upwards, the air outlet end 220 is provided with an air outlet pipeline extending backwards, the air inlet pipeline extends upwards above the shell 100, the air inlet pipeline 300 is positioned above the shell 100, the air inlet pipelines of the three filters 200 are communicated with the air inlet pipeline 300, the air outlet pipeline penetrates through the rear side wall of the auxiliary chamber 120 and then extends into the main chamber 110, and the air outlet pipelines of the three filters 200 are communicated with the air suction pipe of the negative pressure generating assembly 400.
Each of the air inlet ends 210 is provided with an air inlet valve 211, each of the air outlet ends 220 is provided with an air outlet valve 221, the air inlet valve 211 and the air outlet valve 221 are both positioned in the auxiliary chamber 120, and the air inlet valve 211 and the air outlet valve 221 are electromagnetic valves so as to control the opening and closing of the air inlet valve 211 and the air outlet valve 221 in an electronic control mode.
After the liquid ring type vacuum pump of the negative pressure generating assembly 400 is started, the suction pipe generates negative pressure, the air outlet valve 221 of the filter 200 and the air inlet valve 211 are opened, the air inlet pipe 300 communicated with the filter 200 generates negative pressure, and then the air sucked by the air inlet pipe 300 sequentially flows through the air inlet pipe, the air inlet end 210, the filter 200, the air outlet end 220, the suction pipe, the vacuum tank, the liquid ring type vacuum pump, the gas-liquid separator and the exhaust pipe, and clean air is discharged from the exhaust pipe.
The rear side wall of the auxiliary chamber 120 is provided with a through hole for penetrating the air outlet pipeline, and the inner side wall of the through hole is sealed with the air outlet pipeline by sealant.
The top wall of the auxiliary chamber 120 is provided with a perforation for penetrating the air inlet pipeline, and the inner side wall of the perforation is sealed with the air inlet pipeline by sealant.
Referring to fig. 1 and 2, an opening is formed in the front side of each sub-chamber 120, a cabinet door 130 is formed in the front side of each sub-chamber 120, a rotating shaft is arranged at the top of each sub-chamber 120, the top of each cabinet door 130 is hinged to the rotating shaft, the cabinet door 130 rotates around an axis extending in the left-right direction, a sealing strip 131 is arranged at the edge of the rear side wall of the cabinet door 130, the sealing strip 131 surrounds the edge of the cabinet door 130 in a circle, after the cabinet door 130 is turned downwards, the rear side wall of the cabinet door 130 is abutted to the outer edge of the opening of the sub-chamber 120, and the sealing strip 131 seals the cabinet door 130 and the outer edge of the opening, so that the cabinet door 130 seals the sub-chamber 120. When the cabinet door 130 closes the opening of the sub-chamber 120, the sub-chamber 120 is in a sealed state.
Referring to fig. 1, each sub-chamber 120 is provided with an ultraviolet lamp sterilizer 500, and in this embodiment, the ultraviolet lamp sterilizer 500 is installed at the top wall of the sub-chamber 120, and the ultraviolet lamp sterilizer 500 emits ultraviolet rays downward. In some embodiments, an ultraviolet lamp may be disposed at three positions of the left side wall, the right side wall, and the top wall of the sub-chamber 120, respectively, and the three ultraviolet lamps form an ultraviolet lamp sterilizer 500, so that the ultraviolet lamp sterilizer 500 surrounds the periphery of the filter 200.
The cabinet door 130 is provided with a transparent observation window, so that a user can observe the opening condition of the ultraviolet lamp sterilizer 500 in the auxiliary chamber 120 through the transparent observation window and observe whether the air inlet valve 211 and the air outlet valve 222 are in an open or closed state.
A controller (not shown) is disposed on the outer wall of the housing 100, and the controller is electrically connected to all the air inlet valves 211, all the air outlet valves 221 and all the ultraviolet lamp sterilizers 500, and can control the opening and closing of any air inlet valve 211, air outlet valve 221 and ultraviolet lamp sterilizers 500.
Referring to fig. 2, the heat dissipation fan 600 is disposed in the main chamber 110, the heat dissipation fan 600 is mounted at the air outlet 112, the air inlet end of the heat dissipation fan 600 faces the main chamber 110, the air outlet end of the heat dissipation fan 600 faces the air outlet 112, after the heat dissipation fan 600 is opened, air in the main chamber 110 is blown out upwards from the air outlet 112, and external air enters from the air inlet 111 at the rear of the main chamber 110, so that air flow is formed in the main chamber 110 to take away heat generated by the negative pressure generating assembly 400, and the negative pressure generating assembly 400 is cooled.
In operation of the negative pressure generating assembly 400, the air inlet valve 211 and the air outlet valve 221 of one or both filters 200 can be closed by the controller, so that the filters 200 are disconnected from the negative pressure generating assembly 400, the filter elements in the filters 200 can be replaced, then the corresponding cabinet doors 130 are closed, the ultraviolet lamp sterilizer 500 of the auxiliary chamber 120 where the filter 200 with the replaced filter elements is positioned is opened by the controller, so that a small part of pollutants such as viruses or bacteria scattered in the filter element replacing process can be killed, and finally the air inlet valve 211 and the air outlet valve 221 of the filter 200 with the replaced filter elements are opened by the controller, so that the negative pressure generating assembly 400 can be ensured to keep operating.
While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. A medical negative pressure unit which is characterized in that: comprising the following steps:
the inner part of the shell is provided with a main chamber and a plurality of auxiliary chambers, and each auxiliary chamber is provided with an openable cabinet door;
the filters are arranged in the auxiliary chambers in a one-to-one correspondence manner, each filter is provided with an air inlet end and an air outlet end, the air inlet ends extend out of the auxiliary chambers, each air inlet end is provided with an air inlet valve, the air outlet ends extend into the main chambers, and each air outlet end is provided with an air outlet valve;
an intake pipe communicating a plurality of the intake ends;
the negative pressure generating assembly is arranged in the main cavity and communicated with the air outlet ends.
2. The medical negative pressure unit according to claim 1, wherein: the medical negative pressure unit further comprises a plurality of ultraviolet lamp sterilizers, and the ultraviolet lamp sterilizers are arranged in the plurality of auxiliary chambers in one-to-one correspondence.
3. The medical negative pressure unit according to claim 2, wherein: the inlet valve and the outlet valve are both located in the secondary chamber.
4. The medical negative pressure unit according to claim 2, wherein: the ultraviolet lamp sterilizer is arranged around the periphery of the filter.
5. The medical negative pressure unit according to claim 2, wherein: and sealing strips are arranged at the edges of each cabinet door.
6. The medical negative pressure unit according to claim 2, wherein: the cabinet door is provided with a transparent observation window.
7. The medical negative pressure unit according to claim 1, wherein: the medical negative pressure unit further comprises a heat radiation fan, and the heat radiation fan is arranged at the air outlet.
8. The medical negative pressure unit of claim 7, wherein: all the auxiliary chambers are respectively arranged on the front side of the main chamber, the cabinet door is arranged on the front side of the auxiliary chamber, and the air inlet is arranged on the rear side of the main chamber.
9. The medical negative pressure unit of claim 8, wherein: the air outlet is arranged on the upper side of the main chamber.
10. The medical negative pressure unit according to claim 1, wherein: the air inlet valve and the air outlet valve are electromagnetic valves, the medical negative pressure unit further comprises a controller, the controller is arranged outside the shell, and the controller is connected with all the air inlet valves and all the air outlet valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322263257.3U CN220656866U (en) | 2023-08-22 | 2023-08-22 | Medical negative pressure unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322263257.3U CN220656866U (en) | 2023-08-22 | 2023-08-22 | Medical negative pressure unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220656866U true CN220656866U (en) | 2024-03-26 |
Family
ID=90334815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322263257.3U Active CN220656866U (en) | 2023-08-22 | 2023-08-22 | Medical negative pressure unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220656866U (en) |
-
2023
- 2023-08-22 CN CN202322263257.3U patent/CN220656866U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20090024174A (en) | Positive air pressure isolation system | |
| CN104712846B (en) | A tap that is used for tap to disinfect subassembly and has it | |
| CN104712782B (en) | Tap and water purification unit | |
| CN220656866U (en) | Medical negative pressure unit | |
| CN112057665A (en) | Light leakage prevention supporting structure of UV light source of air sterilizer | |
| CN109990405A (en) | A kind of anti-infection care device of division of respiratory disease | |
| CN212836919U (en) | Nucleic acid detection sampling chamber | |
| CN112190740A (en) | Sterile isolator | |
| CN112246290A (en) | Air purification type integrated experiment cabinet and working method thereof | |
| CN212410622U (en) | Full-automatic luminous immunoassay appearance of compatible air disinfection function | |
| CN212410616U (en) | Take full-automatic luminous immunoassay appearance of air disinfection function | |
| CN201125182Y (en) | Liquid disinfecting device | |
| CN212016207U (en) | Disinfection cabinet for intensive care therapy | |
| CN113712076A (en) | Potato powder sterilization equipment and sterilization method thereof | |
| CN210267864U (en) | Device with degerming, antibiotic purification performance and refrigerator | |
| CN219572167U (en) | Positive and negative pressure switching equipment for operating room | |
| CN112354094A (en) | Protective clothing with reusable head cover | |
| CN220497276U (en) | Self-purification pipeline-free fume chamber sterilization assembly | |
| CN111425021A (en) | Ventilation and disinfection device for infectious disease isolation ward | |
| CN214909352U (en) | Positive and negative pressure ambulance | |
| CN217459108U (en) | Environment-friendly medical treatment purifier for waste water treatment | |
| CN211884686U (en) | Breathing and air sterilizing machine | |
| CN109805757A (en) | Water dispenser with water tank sterilizing function | |
| CN220489336U (en) | Ventilation device in cabin pathogen biological control and biosafety emergency isolation system | |
| CN218792813U (en) | Negative pressure transfer cabin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |