CN110744989A - Vehicle-mounted air purifier - Google Patents

Vehicle-mounted air purifier Download PDF

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Publication number
CN110744989A
CN110744989A CN201911124868.1A CN201911124868A CN110744989A CN 110744989 A CN110744989 A CN 110744989A CN 201911124868 A CN201911124868 A CN 201911124868A CN 110744989 A CN110744989 A CN 110744989A
Authority
CN
China
Prior art keywords
air
filter screen
vehicle
inlet
air inlet
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.)
Pending
Application number
CN201911124868.1A
Other languages
Chinese (zh)
Inventor
肖国权
崔良钾
王惜慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South China University of Technology SCUT
Original Assignee
South China University of Technology SCUT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN201911124868.1A priority Critical patent/CN110744989A/en
Publication of CN110744989A publication Critical patent/CN110744989A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/06Filtering
    • B60H3/0608Filter arrangements in the air stream
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/0007Adding substances other than water to the air, e.g. perfume, oxygen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/02Moistening ; Devices influencing humidity levels, i.e. humidity control
    • B60H3/022Moistening ; Devices influencing humidity levels, i.e. humidity control for only humidifying the air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/06Filtering
    • B60H2003/0691Adsorption filters, e.g. activated carbon

Abstract

The invention discloses a vehicle-mounted air purifier which comprises a shell and a filtering device, wherein an air inlet filter screen and an air outlet filter screen are respectively arranged on the side surface of the shell, the filtering device is positioned in the shell, the filtering device comprises a spiral air inlet pipe, an air inlet fan, an expansion port and a filtering layer, a through hole is formed in the top of the spiral air inlet pipe, the air inlet fan is installed in the through hole, the spiral air inlet pipe is provided with an air inlet, the air inlet is opposite to the air inlet filter screen, the expansion port comprises an air inlet end and an air outlet end, the cross-sectional area of the expansion port is gradually increased from the air inlet end to the air outlet end, the. Through setting up the expansion mouth, airflow flow cross sectional area is crescent from inlet end to the end direction of giving vent to anger, according to bernoulli's equation, and flow velocity reduces along the airflow direction gradually in the subsonic flow range, reduces the impact force to the filter layer, reduces the damage of filter layer, improves the utilization ratio of filter layer.

Description

Vehicle-mounted air purifier
Technical Field
The invention relates to the technical field of air purification, in particular to a vehicle-mounted air purifier.
Background
In recent years, the automobile industry in China is developed rapidly, but simultaneously, due to the lack of effective prevention and protection measures, the environmental pollution problem caused by the development of the automobile industry is more and more serious, and the ecological environment is more and more seriously damaged, so that China becomes one of countries with serious global air pollution, and a plurality of cities are subjected to air pollution of different degrees. Air pollution, also known as atmospheric pollution, is not only harmful to plants and the climate, but more importantly, affects the quality of life and the health of people both directly and indirectly on a chronic basis. Researches show that the air pollutes a plurality of particulate matters, particularly PM2.5, and the death rate of diseases caused by the respiratory circulation system of people is remarkably improved. Therefore, improvement of air quality is at hand.
Whether from patents, products derived from domestic manufacturers or from sales volumes, the development of the vehicle-mounted air purifier in China is very rapid. In foreign countries, automobile air purifiers have been developed very well in the aspects of ultraviolet sterilization and air filtration, and plasma technology is still in the beginning stage but is rapidly developed in the field of in-vehicle purification. Although the foreign automobile air purifier is expensive, the foreign automobile air purifier has strong air purification and sterilization and dust removal capabilities, is diversified, can be released into various air purifiers according to different consumption grades, and also has various products in the market with low price range, so that the popularization rate of the foreign automobile air purifier is far higher than that of the foreign automobile air purifier in China. In China, the research of the vehicle-mounted air purifier is started late, and some large-scale enterprises still do not enter the field of military vehicle-mounted air purifiers. However, in recent years, the quality of air in a vehicle has been more and more emphasized, and thus various air purifiers have been introduced by a large number of brands, and the sales rate of the air purifiers has been remarkably increased. However, the purification technology of the vehicle-mounted air purifier in China is not mature enough, the purification efficiency is not high enough, certain defects exist in product design and the like, and the vehicle-mounted air purifier is more and more intelligent in order to improve the user experience and attract consumers, and people live more and more conveniently at present. Therefore, at present, the intelligent vehicle-mounted air purifier which has high efficiency, low energy consumption and low noise and meets the standard of the air purifier of the automobile in China is urgently needed to be researched and developed by taking the advanced technology in foreign countries as reference and combining the specific situation of air pollution in China.
Chinese patent with publication number CN207697437U discloses an intelligent vehicle-mounted air purifier, which comprises a body, a front panel, a shell, a centrifugal fan and a filtering system, wherein the body is of a shell structure with an opening at one end, a pair of connecting blocks are arranged on the inner side of the body, the shell is mounted on the connecting blocks through bolts, the top of the shell is connected with the filtering system, the centrifugal fan is mounted on the shell below the filtering system, an ultraviolet lamp is mounted on the side wall of the shell between the centrifugal fan and the filtering system, the front panel is clamped on the side surface of the shell, and an air outlet is formed in the bottom of the body and can effectively block and remove various harmful substances. But the internal flow resistance and noise control of the device are to be improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a vehicle-mounted air purifier, which is simple in structure and convenient to realize, and the structure of the vehicle-mounted air purifier is improved by using a resistance reducing and noise reducing technology, so that the resistance and noise of each component are reduced from the structure, and the purification efficiency of the purifier is improved.
The technical scheme of the invention is as follows: the utility model provides an on-vehicle air purifier, including casing and filter equipment, the side of casing is equipped with air intake filter screen and air outlet filter screen respectively, filter equipment is located the casing, filter equipment includes spiral intake pipe, the fan that admits air, expansion mouth and filter layer, spiral intake pipe top is equipped with the through-hole, the fan that admits air is installed in the through-hole, spiral intake pipe has the air inlet, the air inlet is just to the air intake filter screen, expansion mouth includes the inlet end and gives vent to anger the end, the cross sectional area of expansion mouth is crescent from the inlet end to the end direction of giving vent to anger, the inlet end is connected in spiral intake pipe top and. Through setting up the spiral intake pipe, change the direction of air current, reduce the flow resistance of air current, the noise reduction, through setting up the expansion mouth, air current flow cross sectional area is crescent from inlet end to the end direction of giving vent to anger, according to Bernoulli's equation, and flow velocity reduces along the air current direction gradually in subsonic flow range, reduces the impact force to the filter layer, reduces the damage of filter layer, improves the utilization ratio of filter layer.
Further, the filter layer comprises an activated carbon filter screen and a HEPA filter screen.
Further, the top of spiral intake pipe is equipped with annular bulge, and annular bulge is located to the through-hole, and the fan that admits air is installed in annular bulge, and annular bulge passes through threaded connection with the inlet end. The expansion port is connected with the spiral air inlet pipe through threads, so that the operation is simple and the installation is convenient.
Further, the casing includes base, curb plate and top cap, and base, curb plate and top cap pass through bolted connection respectively, and the casing adopts assembled connection, and the filter screen of convenient dismantlement inside to the casing washs the change.
Furthermore, the air inlet filter screen and the air outlet filter screen are respectively and oppositely arranged on the side plate, the side plate is arc-shaped, and the diameters of the filter screen holes of the air inlet filter screen and the air outlet filter screen are 3-4 mm. The air inlet filter screen and the air outlet filter screen are distributed on the opposite sides, air inlet airflow and air outlet airflow do not influence each other, the blocking influence of the air inlet and the air outlet on the airflow is reduced, namely the resistance of air inlet and air outlet is reduced, the diameters of the filter screen holes of the air inlet filter screen and the air outlet filter screen are large enough, so that the area for blocking the air flow is relatively small, the resistance is reduced, the disorder degree of internal smoothness is reduced, the flow energy loss of the airflow is reduced, the working efficiency of the air inlet fan is indirectly improved, the power supply is saved, and the noise level is reduced; the arc-shaped side plates are favorable for further reducing wind resistance and noise.
Further, on-vehicle air purifier still includes the guiding gutter, the guiding gutter is installed on the curb plate, and the guiding gutter is the arc, and the one end of guiding gutter is close to the air intake filter screen, and the other end is close to the air outlet filter screen. Through setting up the guiding gutter, lead away the wind of air inlet department, form certain negative pressure and make air intake filter screen can advance more wind.
Furthermore, the bottom surface of base is equipped with the slipmat, and the slipmat plays the effect of increase friction power.
Further, on-vehicle air purifier still includes air humidifier, and air humidifier installs in the casing bottom and is located one side of spiral intake pipe, and air humidifier is used for carrying out the humidification to the air, and multiplicable user's comfort improves the purification efficiency of clarifier to the particulate matter.
Further, on-vehicle air purifier still includes anion generator, anion generator installs in the casing bottom and is located the air outlet filter screen before, anion generator is used for carrying out the secondary purification to the air. The anion generator carries out secondary purification to the air of preliminary purification, all has higher purification effect to microorganism, particulate matter and chemical substance, improves the purification efficiency of clarifier.
Further, on-vehicle air purifier still includes control switch and power supply module, power supply module installs in the casing bottom, power supply module and air inlet fan electric connection, and control switch installs in the casing side, control switch and power supply module electric connection.
The working principle of the vehicle-mounted air purifier is as follows: open control switch, power supply module supplies power to the air inlet fan, and the air inlet fan begins work, makes the outside air pass through air intake filter screen and air inlet entering spiral intake pipe, filters through active carbon filter screen and HEPA filter screen in proper order by the expansion mouth again, and the air that filters passes through inside and outside pressure differential discharges to the external world through the air outlet filter screen.
Compared with the prior art, the invention has the following beneficial effects:
according to the vehicle-mounted air purifier, the air inlet filter screen and the air outlet filter screen are distributed on the opposite sides, the air inlet airflow and the air outlet airflow are not affected with each other, the blocking effect of the air inlet and the air outlet on the airflow is reduced, namely the resistance of air inlet and air outlet is reduced, the diameters of the filter screen holes of the air inlet filter screen and the air outlet filter screen are large enough, so that the area for blocking the flow of the air is relatively small, the resistance is reduced, the disorder degree of internal smoothness is reduced, the flow energy loss of the airflow is reduced, the working efficiency of an air inlet fan is indirectly improved, a power supply is saved, and meanwhile; the arc-shaped side plates are favorable for further reducing wind resistance and noise.
According to the vehicle-mounted air purifier, the air humidifier is arranged to humidify air, so that the comfort of a user can be improved, and the purification efficiency of the purifier on particulate matters is improved; carry out the secondary purification to the air of preliminary purification through setting up anion generator, all have higher purification effect to microorganism, particulate matter and chemical substance, improve the purification efficiency of clarifier.
Drawings
Fig. 1 is a schematic structural view of a vehicle-mounted air cleaner of the present invention.
Fig. 2 is a sectional view of a vehicle-mounted air cleaner of the present invention.
Fig. 3 is a cross-sectional view of another perspective of the in-vehicle air cleaner of the present invention.
Fig. 4 is an exploded view of the filter assembly of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1
As shown in fig. 1 and 3, the present embodiment provides a vehicle air cleaner including a housing 1, a filter device, a guide groove 2, a control switch 3, and a power supply module.
As shown in fig. 1, 2 and 3, the casing comprises a base 5, a side plate 6 and a top cover 7, the base, the side plate and the top cover are respectively connected through bolts, and the casing is connected in an assembled manner, so that the filter screen in the casing can be conveniently detached to be cleaned and replaced; the air inlet filter screen 8 and the air outlet filter screen 9 are respectively and oppositely arranged on the side plates, the air inlet flow and the air outlet flow are not influenced mutually, the blocking influence of the air inlet and the air outlet on the air flow is reduced, namely the air inlet resistance and the air outlet resistance are reduced, the disorder degree of the internal smoothness is reduced, the flow energy loss of the air flow is reduced, the working efficiency of the air inlet fan is indirectly improved, the power supply is saved, and meanwhile, the noise level is reduced; the side plates are arc-shaped, so that wind resistance is further reduced, and noise is reduced; the diameters of the filter mesh holes of the air inlet filter screen and the air outlet filter screen are 3-4mm, in the embodiment, the diameters of the filter mesh holes are 3mm, and the diameters of the filter mesh holes are large enough, so that the area obstructing the air flow is relatively small, and the resistance is reduced. The bottom surface of base is equipped with slipmat 10, and the slipmat increases the frictional force between base and the face of placing, prevents the clarifier landing.
As shown in fig. 2 and 4, the filtering device is located the casing, the filtering device includes spiral intake pipe 11, fan 12 admits air, expansion mouth 13 and filter layer, the spiral intake pipe passes through the bolt fastening in the base, the spiral intake pipe has air inlet 14, the air inlet is just to the air intake filter screen, expansion mouth includes inlet end 15 and the end 16 of giving vent to anger, the top of spiral intake pipe is equipped with annular bulge 17, annular bulge is equipped with through-hole 18, through-hole and inlet end intercommunication, the fan admits air is installed in annular bulge, annular bulge passes through threaded connection with the inlet end, the expansion mouth is the loudspeaker form, the cross sectional area of expansion mouth is crescent from the inlet end to the end direction of giving vent to anger, the filter layer includes activated carbon filter screen 19 and HEPA filter screen 20, activated carbon filter screen and HEPA filter screen are installed.
As shown in fig. 3, the diversion trench is installed on the side plate, the diversion trench is arc-shaped, one end of the diversion trench is close to the air inlet filter screen, and the other end of the diversion trench is close to the air outlet filter screen. Through setting up the guiding gutter, lead away the wind of air inlet department, form certain negative pressure and make the air intake filter screen can advance more wind, improve the purification efficiency of clarifier.
Power supply module installs on the base, power supply module and air inlet fan electric connection, and control switch installs in the lateral wall, control switch and power supply module electric connection.
The working principle of the vehicle-mounted air purifier is as follows: open control switch, power supply module supplies power to the air inlet fan, and the air inlet fan begins work, makes the outside air pass through air intake filter screen and air inlet entering spiral intake pipe, filters through active carbon filter screen and HEPA filter screen in proper order by the expansion mouth again, and the air that filters passes through inside and outside pressure differential discharges to the external world through the air outlet filter screen.
Example 2
As shown in fig. 3, the present embodiment is different from embodiment 1 in that the vehicle-mounted air purifier further includes an air humidifier 22, the air humidifier is mounted on the base through a bolt and located on one side of the spiral air inlet pipe, and the air humidifier is used for humidifying air, so that the comfort of a user can be increased, and the purification efficiency of the purifier for particulate matter can be improved.
Example 3
As shown in fig. 3, the present embodiment is different from embodiment 1 in that the vehicle-mounted air purifier further includes an anion generator 23, the anion generator is mounted on the base through a bolt and located in front of the air outlet filter screen, and the anion generator is configured to perform secondary purification on air. The anion generator carries out secondary purification to the air of preliminary purification, all has higher purification effect to microorganism, particulate matter and chemical substance, improves the purification efficiency of clarifier.
As mentioned above, the present invention can be better realized, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present disclosure are intended to be covered by the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a vehicle-mounted air purifier, a serial communication port, including casing and filter equipment, the side of casing is equipped with air intake filter screen and air outlet filter screen respectively, filter equipment is located the casing, filter equipment includes spiral intake pipe, the fan that admits air, expansion mouth and filter layer, spiral intake pipe top is equipped with the through-hole, the fan that admits air is installed in the through-hole, spiral intake pipe has the air inlet, the air inlet is just to the air intake filter screen, the expansion mouth includes the inlet end and gives vent to anger the end, the cross sectional area of expansion mouth is crescent from the inlet end to the end direction of giving vent to anger, the inlet end is connected in spiral intake pipe.
2. The vehicle air purifier of claim 1, wherein the filter layer comprises an activated carbon filter and a HEPA filter.
3. The vehicle-mounted air purifier as recited in claim 1, wherein the spiral inlet pipe has a top portion formed with an annular protrusion, the through hole is formed in the annular protrusion, the inlet fan is installed in the annular protrusion, and the annular protrusion is threadedly coupled to the inlet end.
4. The vehicle air purifier of claim 1, wherein the housing comprises a base, side plates, and a top cover, the base, side plates, and top cover being respectively bolted together.
5. The vehicle-mounted air purifier of claim 4, wherein the air inlet filter screen and the air outlet filter screen are respectively arranged on the side plate oppositely, and the diameters of the filter screen holes of the air inlet filter screen and the air outlet filter screen are 3-4 mm.
6. The vehicle-mounted air purifier of claim 4, further comprising a diversion trench, wherein the diversion trench is installed on the side plate, the diversion trench is arc-shaped, one end of the diversion trench is close to the air inlet filter screen, and the other end of the diversion trench is close to the air outlet filter screen.
7. The vehicle air purifier of claim 4, wherein the bottom surface of the base is provided with a non-slip mat.
8. The vehicle air purifier of claim 1, further comprising an air humidifier mounted at the bottom of the housing and located at one side of the spiral inlet duct, the air humidifier configured to humidify air.
9. The vehicle-mounted air purifier of claim 1, further comprising an anion generator mounted at the bottom of the housing and located in front of the air outlet filter screen, the anion generator being configured to secondarily purify the air.
10. The vehicle air purifier of claim 1, further comprising a control switch and a power supply assembly, wherein the power supply assembly is mounted at the bottom of the housing and electrically connected to the intake fan, the control switch is mounted at the side wall and electrically connected to the power supply assembly.
CN201911124868.1A 2019-11-18 2019-11-18 Vehicle-mounted air purifier Pending CN110744989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911124868.1A CN110744989A (en) 2019-11-18 2019-11-18 Vehicle-mounted air purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911124868.1A CN110744989A (en) 2019-11-18 2019-11-18 Vehicle-mounted air purifier

Publications (1)

Publication Number Publication Date
CN110744989A true CN110744989A (en) 2020-02-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911124868.1A Pending CN110744989A (en) 2019-11-18 2019-11-18 Vehicle-mounted air purifier

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023541A (en) * 2020-09-02 2020-12-04 河南工业职业技术学院 Amortization type vehicle air conditioner filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023541A (en) * 2020-09-02 2020-12-04 河南工业职业技术学院 Amortization type vehicle air conditioner filter

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