CN214138916U - Simple negative pressure disinfection device of cabin air conditioning system - Google Patents
Simple negative pressure disinfection device of cabin air conditioning system Download PDFInfo
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- CN214138916U CN214138916U CN202021654146.5U CN202021654146U CN214138916U CN 214138916 U CN214138916 U CN 214138916U CN 202021654146 U CN202021654146 U CN 202021654146U CN 214138916 U CN214138916 U CN 214138916U
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- chamber
- air
- fan
- filter
- disinfection
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 90
- 238000004378 air conditioning Methods 0.000 title claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 230000001699 photocatalysis Effects 0.000 claims description 23
- 230000001954 sterilising effect Effects 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000002073 nanorod Substances 0.000 claims description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 20
- 239000000126 substance Substances 0.000 abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 241000700605 Viruses Species 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000012212 insulator Substances 0.000 description 4
- 238000006864 oxidative decomposition reaction Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses a simple negative pressure disinfection device of a cabin air conditioning system, which is provided with an air inlet disinfection cavity and a return air disinfection cavity; the air inlet disinfection cavity is divided into a first fan chamber and a first filter chamber, the first fan chamber is provided with a first air inlet, a first fan is arranged in the first fan chamber, and the first filter chamber is provided with a first air outlet; the return air disinfection cavity is divided into a second fan chamber and a second filter chamber, the second fan chamber is provided with a second air inlet, a second fan is arranged in the second fan chamber, and the second filter chamber is provided with a second air outlet; the air inlet disinfection chamber and the air return disinfection chamber are both provided with disinfection devices; the air passing through the air inlet disinfection cavity is 0.3-0.7 times of that of the air return disinfection cavity. The device is provided with four air inlets and air outlets, the ventilating hoses are connected to the air inlet and the air return inlets of the air conditioner to disinfect the air in and out, meanwhile, the air entering the room is less than that going out, a simple negative pressure environment is formed, meanwhile, secondary harmful substances such as ozone and the like cannot be discharged, and the real coexistence of man and machine is achieved.
Description
Technical Field
The utility model relates to an air purification equipment technical field specifically is a simple and easy negative pressure degassing unit of cabin air conditioning system.
Background
Many ships and naval vessels are refrigerated (heated) by a central air conditioner, which causes the possibility that viruses are spread by the central air conditioner when respiratory infectious diseases happen suddenly on the ships, and the viruses are leaked once a patient appears in a cabin without a negative pressure ward, so that the development of a simple negative pressure disinfection device for an air conditioning system of a ship cabin is very critical.
SUMMERY OF THE UTILITY MODEL
To cabin air conditioning system among the prior art have the virus to propagate the possibility through central air conditioning to and can't prevent its problem of leaking, the utility model provides a safe effectual cabin air conditioning system's simple and easy negative pressure degassing unit can be used to the carrier for example the cabin air conditioning system of ship, naval vessel, train, aircraft etc. to avoid the virus to propagate and the leaking of virus through central air conditioning.
The simple negative pressure disinfection device of the cabin air conditioning system of the utility model is provided with an air inlet disinfection chamber and a return air disinfection chamber;
the air inlet disinfection cavity is divided into a first fan chamber and a first filter chamber, the first fan chamber is provided with a first air inlet, a first fan is arranged in the first fan chamber, an outlet of the first fan is communicated with the first filter chamber, and the first filter chamber is provided with a first air outlet;
the return air disinfection cavity is divided into a second fan chamber and a second filter chamber, the second fan chamber is provided with a second air inlet, a second fan is arranged in the second fan chamber, the outlet of the second fan is communicated with the second filter chamber, and the second filter chamber is provided with a second air outlet;
the air inlet disinfection cavity and the air return disinfection cavity are respectively provided with a disinfection device;
the air passing amount of the air inlet disinfection cavity is 0.3-0.7 times, preferably 0.4-0.6 times and more preferably 0.5 times of that of the air return disinfection cavity.
Preferably, the air inlet disinfection chamber and the air return disinfection chamber are arranged side by side in the same direction to form a box body, and the middle of the box body is sealed and separated by a partition plate.
Preferably, the volume of the air inlet disinfection cavity is 0.3-0.7 times, preferably 0.4-0.6 times, and more preferably 0.5 times of that of the air return disinfection cavity.
Preferably, the first fan chamber and the first filter chamber, and the second fan chamber and the second filter chamber are separated by a fan fixing plate, and the first fan and the second fan are both fixed by the fan fixing plate.
Preferably, the rated power of the first fan is 0.3 to 0.7 times, preferably 0.4 to 0.6 times, and more preferably 0.5 times that of the second fan.
Preferably, the disinfection device comprises one or two or more of ultraviolet lamps, filter screen assemblies, photocatalytic modules, low-temperature plasma modules and other disinfection devices.
Preferably, the ultraviolet lamp is arranged in the first fan chamber, the first filter chamber, the second fan chamber and the second filter chamber.
Preferably, the ultraviolet lamp is an ozone-free ultraviolet lamp with the wavelength of 254nm, and the generated ozone is very little; the air can be sterilized for a longer time by combining the uniquely designed sterilizing air cavity structure and the gas dynamic technology, and simultaneously, the generation of ozone is avoided.
Preferably, the screen assembly is selected from one or a combination of two or more of, but not limited to, an activated carbon screen, a HEPA screen (high efficiency exhaust gas screen), and a photocatalytic screen.
The photocatalytic filter may also be considered a photocatalytic module. Preferably, the photocatalytic filter screen has a superfine nano rod-shaped structure. The size of the superfine nano rod-shaped structure is preferably 8nm in diameter and 15-100nm in length, the superfine nano rod-shaped structure can greatly improve the photoproduction electron rate, greatly enhance the oxidative decomposition capability and kill bacteria, and the superfine nano rod-shaped structure can be used for 5-10 years without replacement.
Preferably, the filter screen subassembly can divide into the multiunit and carry out the interval and block the arrangement, realizes multistage filtration. Each group of filter screen components can be designed in a mode of stacking multiple filter screens, and can be used for filtering and sterilizing in a synergic mode. The arrangement sequence of each group of filter screen components and the stacking sequence of the filter screens in each group are also very critical, and the reasonable arrangement can greatly improve the filtration and sterilization efficiency.
Preferably, the filter screen assembly is divided into three groups of interval blocking arrangements, wherein the first group comprises stacked activated carbon filter screens, HEPA filter screens and photocatalytic filter screens, the second group comprises stacked photocatalytic filter screens and activated carbon filter screens, and the third group comprises stacked activated carbon filter screens and HEPA filter screens, and the first filter chamber is between the first filter chamber and a partition plate (in some embodiments, the partition plate can be used as a fan fixing plate) of the first fan chamber and the first air outlet, and the second filter chamber is between the second filter chamber and a partition plate (in some embodiments, the partition plate can be used as a fan fixing plate) of the second fan chamber and the second air outlet.
Preferably, the air flow direction is, in the air flow direction,
the stacking sequence of the first set of screen assemblies is: an active carbon filter screen, an HEPA filter screen and a photocatalysis filter screen;
the stacking sequence of the second set of screen assemblies is: a photocatalytic filter screen and an activated carbon filter screen;
the third group of filter screen components are stacked in the sequence: an active carbon filter screen and an HEPA filter screen.
Furthermore, ultraviolet lamps are arranged in the chambers on two sides of the first group of filter screen assemblies. The photocatalysis filter screen can play a catalytic role, and the sterilization efficiency can be greatly improved by combining the irradiation of the ultraviolet lamp.
Preferably, the low-temperature plasma module is arranged in the first filter chamber and the second filter chamber. The low-temperature plasma module adopts a low-temperature low-spark-energy insulator discharge technology, the generated ozone is high in purity, and the nitrogen oxide is very little.
Further, the low-temperature plasma module is arranged in a first chamber separated by the filter screen assembly.
Preferably, an air detector is arranged in the air inlet disinfection cavity and/or the return air disinfection cavity.
The air detector is selected from one or two or more of PM2.5 detector, VOCs detector, formaldehyde detector, ozone detector and the like.
Preferably, the second fan chamber is provided with an air detector.
Preferably, the first air outlet and the second air outlet are provided with ozone detectors.
The utility model discloses an actively advance the effect and lie in:
1. the simple negative pressure disinfection device of the cabin air conditioning system of the utility model is provided with an air inlet disinfection chamber and an air return disinfection chamber, wherein, the first air inlet of the air inlet disinfection chamber can directly or through an external pipeline introduce air after air conditioning refrigeration or heating, and the air is sent into the cabin through the first air outlet after the air inlet disinfection chamber is disinfected and filtered; the second air inlet of the return air disinfection chamber is used for introducing air in the cabin, and the air is disinfected and filtered by the return air disinfection chamber and then is discharged out of the cabin from the second air outlet directly or through an external pipeline; therefore, the air introduced into the cabin or the air exhausted from the cabin is disinfected and filtered, and the virus can be prevented from spreading in the central air-conditioning system.
2. The utility model discloses in, the volume of air inlet disinfection chamber with be less than the return air disinfection chamber through the amount of wind, the rated power of first fan is also less than moreover the second fan, this design can make the in-cabin formation negative pressure, can further avoid leaking of virus.
3. In the utility model, the disinfection device can effectively remove virus and bacteria in the air, wherein the low-temperature plasma module adopts a low-temperature low-spark energy insulator discharge technology, the purity of the generated ozone is high, and the nitrogen oxide is very little; the ultraviolet lamp with the wavelength of 254nm generates very little ozone; the uniquely designed disinfection air cavity structure, the gas dynamic technology and the ozone adsorption technology are combined, so that the air can be disinfected for a longer time, and the final discharge of ozone is avoided; the photocatalytic filter screen greatly improves the photoproduction electron speed, greatly enhances the oxidative decomposition capacity, kills bacteria and can be used for 5 to 10 years without replacement by the original superfine nano rod-shaped structure.
In a word, the utility model discloses the device is equipped with four business turn over wind gaps of two cavities, but air conditioner air intake and return air inlet are received to the ventilation hose, disinfect the business turn over air, and it is few than going out to get into indoor air simultaneously, forms a simple negative pressure environment, can not discharge secondary harmful substance such as ozone simultaneously, reaches real man-machine coexistence.
Drawings
FIG. 1 is a schematic view of a simple negative pressure sterilization device for a cabin air conditioning system of the present invention;
fig. 2 is a schematic view of the installation of the simple negative pressure sterilization device of the cabin air conditioning system of the present invention.
Reference numerals:
the device comprises a first fan chamber 11, a first filter chamber 12, a first fan 13, a first air inlet 14, a first air outlet 15, a second fan chamber 21, a second filter chamber 22, a second fan 23, a second air inlet 24, a second air outlet 25, a fan fixing plate 31, an ultraviolet lamp 41, a low-temperature plasma module 42, an activated carbon filter screen 43, a HEPA filter screen 44, a photocatalysis filter screen 45 and an air detector 51.
Detailed Description
Fig. 1 shows a simple negative pressure sterilization device for a cabin air conditioning system according to a preferred embodiment of the present invention, which is a box body, and an air inlet sterilization chamber and an air return sterilization chamber having similar structures are arranged side by side, and are sealed and separated by a partition plate.
The air inlet disinfection cavity and the air return disinfection cavity are respectively divided into a first fan chamber 11, a first filter chamber 12, a second fan chamber 21 and a second filter chamber 22 through a fan fixing plate 31. The two sides of the first fan chamber 11 and the second fan chamber 21 are respectively provided with a first air inlet 14 and a second air inlet 24, the first fan chamber 11 and the second fan chamber 21 are respectively provided with a first fan 13 and a second fan 23, and air outlets of the first fan 13 and the second fan 23 pass through a fan fixing plate 31 and respectively enter the first filter chamber 12 and the second filter chamber 22. The ends (upper ends in the figure) of the first filtering chamber 12 and the second filtering chamber 22 are respectively provided with a first air outlet 15 and a second air outlet 25.
Preferably, the air passing through the air inlet disinfection cavity is 0.3-0.7 times, preferably 0.4-0.6 times and more preferably 0.5 times of that of the air return disinfection cavity.
Preferably, the volume of the air inlet disinfection cavity is 0.3-0.7 times, preferably 0.4-0.6 times, and more preferably 0.5 times of that of the air return disinfection cavity.
Preferably, the rated power of the first fan 13 is 0.3 to 0.7 times, preferably 0.4 to 0.6 times, and more preferably 0.5 times that of the second fan 23.
The air inlet disinfection chamber and the air return disinfection chamber are both provided with disinfection devices. The sterilizing device comprises an ultraviolet lamp 41, a screen assembly, a low temperature plasma module 42.
Preferably, ultraviolet lamps 41 are arranged in the first fan chamber 11, the first filter chamber 12, the second fan chamber 21 and the second filter chamber 22. The ultraviolet lamp is preferably an ozone-free ultraviolet lamp with the wavelength of 254nm, and the generated ozone is very little; the air can be sterilized for a longer time by combining the uniquely designed sterilizing air cavity structure and the gas dynamic technology, and simultaneously, the discharge of ozone is avoided.
The filter screen assembly is disposed in the first filter chamber and the second filter chamber. The screen component is selected from one or a combination of two or more of but not limited to an activated carbon screen 43, a HEPA screen 44 and a photocatalytic screen 45.
Preferably, in the first filtering chamber 12, the filter screen assembly is divided into three groups of interval blocking arrangements between the fan fixing plate 31 and the first air outlet 15 and between the fan fixing plate 31 and the second air outlet 25 in the second filtering chamber 22, the first group includes a stacked activated carbon filter screen 43, a HEPA filter screen 44 and a photocatalytic filter screen 45, the second group includes a stacked photocatalytic filter screen 45 and an activated carbon filter screen 43, and the third group includes a stacked activated carbon filter screen 43 and a HEPA filter screen 44. Further, the uv lamps 41 in the first and second filter chambers 12, 22 are located in the chambers on both sides of the first set of screen assemblies.
Preferably, the photocatalytic filter 45 can also be regarded as a photocatalytic module having a structure of ultra-fine nano-rods. The size of the superfine nano rod-shaped structure is preferably 8nm in diameter and 15-100nm in length, the superfine nano rod-shaped structure can greatly improve the photoproduction electron rate, greatly enhance the oxidative decomposition capability and kill bacteria, and the superfine nano rod-shaped structure can be used for 5-10 years without replacement.
Preferably, the low temperature plasma module 42 is disposed in the first chamber of the first filter chamber 12 and the second filter chamber 22, and can be fixed on the middle partition plate, and acts on the two chambers at the same time. The low temperature plasma module 42 uses low temperature low spark energy insulator discharge technology, the ozone produced is high in purity, the nitrogen oxides are very little, and finally the ozone is absorbed by the filter screen assembly before the sterilized air is discharged.
Preferably, the second fan compartment 21 is provided with an air detector 51. The air detector is selected from one or two or more of PM2.5 detector, VOCs detector, formaldehyde detector, etc. The air detector 51 is used to monitor the quality of the air entering the unit from the cabin, and to monitor the environment in the cabin in real time.
Preferably, the first air outlet 15 and the second air outlet 15 may further include an ozone detector.
The utility model discloses an actively advance the effect and lie in:
1. the simple negative pressure disinfection device of the cabin air conditioning system of the utility model is installed as shown in figure 2, the first air inlet 14 of the air inlet disinfection chamber can directly or through an external pipeline introduce air cooled or heated by an air conditioner, and the air is sent into the cabin through the first air outlet 15 after being disinfected and filtered by the air inlet disinfection chamber; the second air inlet 24 of the return air disinfection chamber is used for introducing air in the cabin, and the air is disinfected and filtered by the return air disinfection chamber and then is discharged out of the cabin through the second air outlet 25 directly or through an external pipeline; therefore, the air introduced into the cabin or the air exhausted from the cabin is disinfected and filtered, and the virus can be prevented from spreading in the central air-conditioning system.
2. The utility model discloses in, the volume of air inlet disinfection chamber with be less than the return air disinfection chamber through the amount of wind, first fan 13's rated power also is less than second fan 23 moreover, this design can make the in-cabin formation negative pressure, can further avoid leaking of virus.
3. In the utility model, the disinfection device can effectively remove virus and bacteria in the air, wherein the low-temperature plasma module adopts a low-temperature low-spark energy insulator discharge technology, the purity of the generated ozone is high, and the nitrogen oxide is very little; the ultraviolet lamp with the wavelength of 254nm generates very little ozone; the air can be sterilized for a longer time by combining the uniquely designed sterilizing air cavity structure and the gas dynamic technology, and simultaneously, the generation of ozone is avoided; the photocatalytic filter screen greatly improves the photoproduction electron speed, greatly enhances the oxidative decomposition capacity, kills bacteria and can be used for 5 to 10 years without replacement by the original superfine nano rod-shaped structure.
In a word, the utility model discloses the device is equipped with four business turn over wind gaps of two cavities, but air conditioner air intake and return air inlet are received to the ventilation hose, disinfect the business turn over air, and it is few than going out to get into indoor air simultaneously, forms a simple negative pressure environment, can not discharge secondary harmful substance such as ozone simultaneously, reaches real man-machine coexistence.
Claims (10)
1. A simple negative pressure disinfection device of a cabin air conditioning system is characterized in that the device is provided with an air inlet disinfection cavity and an air return disinfection cavity;
the air inlet disinfection cavity is divided into a first fan chamber and a first filter chamber, the first fan chamber is provided with a first air inlet, a first fan is arranged in the first fan chamber, an outlet of the first fan is communicated with the first filter chamber, and the first filter chamber is provided with a first air outlet;
the return air disinfection cavity is divided into a second fan chamber and a second filter chamber, the second fan chamber is provided with a second air inlet, a second fan is arranged in the second fan chamber, the outlet of the second fan is communicated with the second filter chamber, and the second filter chamber is provided with a second air outlet;
the air inlet disinfection cavity and the air return disinfection cavity are respectively provided with a disinfection device;
the air passing quantity of the air inlet disinfection cavity is 0.3-0.7 times of that of the air return disinfection cavity.
2. The simple negative pressure disinfection device for the cabin air conditioning system of claim 1, wherein the volume of the air inlet disinfection chamber is 0.3-0.7 times that of the return air disinfection chamber; the first fan chamber and the first filter chamber and the second fan chamber and the second filter chamber are separated by a fan fixing plate, and the first fan and the second fan are fixed by the fan fixing plate.
3. The simplified negative pressure sterilization device for cabin air conditioning system as claimed in claim 1, wherein the sterilization device comprises one or two or more of an ultraviolet lamp, a filter screen assembly, a photocatalytic module, and a low temperature plasma module.
4. A simplified sub-atmospheric pressure disinfection apparatus for a cabin air conditioning system as defined in claim 3 wherein said ultraviolet lamp is disposed in said first fan compartment, first filter compartment, second fan compartment, second filter compartment.
5. The simplified negative pressure sterilization device for cabin air conditioning system of claim 3, wherein the screen assembly is selected from one or a combination of two or more of activated carbon screen, HEPA screen and photocatalytic screen.
6. The simplified negative pressure sterilization apparatus for a cabin air conditioning system of claim 5, wherein the filter screen assembly is divided into three groups of blocking arrangements in the first filtering chamber from the partition between the first filtering chamber and the first fan chamber to the first air outlet, and in the second filtering chamber from the partition between the second filtering chamber and the second fan chamber to the second air outlet, the first group comprises stacked activated carbon filter screens, HEPA filter screens, and photocatalytic filter screens, the second group comprises stacked photocatalytic filter screens and activated carbon filter screens, and the third group comprises stacked activated carbon filter screens and HEPA filter screens.
7. The simplified negative pressure sterilization apparatus for cabin air conditioning system as recited in claim 6, wherein UV lamps are disposed in the chamber on both sides of the first set of screen assemblies.
8. The simplified negative pressure sterilization device for cabin air conditioning system as described in claim 5, wherein said photocatalytic filter has a structure of ultra-fine nano-rod.
9. A simplified negative pressure sterilization apparatus for a cabin air conditioning system as described in claim 3, wherein said low temperature plasma module is disposed in a first filter chamber and said second filter chamber.
10. The simplified negative pressure sterilization device for cabin air conditioning system as recited in claim 1, wherein an air detector is disposed in said intake air sterilization chamber and/or said return air sterilization chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021654146.5U CN214138916U (en) | 2020-08-11 | 2020-08-11 | Simple negative pressure disinfection device of cabin air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021654146.5U CN214138916U (en) | 2020-08-11 | 2020-08-11 | Simple negative pressure disinfection device of cabin air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214138916U true CN214138916U (en) | 2021-09-07 |
Family
ID=77521813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021654146.5U Expired - Fee Related CN214138916U (en) | 2020-08-11 | 2020-08-11 | Simple negative pressure disinfection device of cabin air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214138916U (en) |
-
2020
- 2020-08-11 CN CN202021654146.5U patent/CN214138916U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |