CN212267197U

CN212267197U - Air purification device, vehicle air conditioning system and vehicle

Info

Publication number: CN212267197U
Application number: CN202020824128.0U
Authority: CN
Inventors: 李玉忠; 叶梅娇; 许敏; 陶柱权
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-01-01
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to an air purification device, vehicle air conditioning system and vehicle, this air purification device include the casing, filter element body and sterilization module, filter element body installs in the casing and separates into first cavity and second cavity with casing internal partitioning, air purification device's air inlet and first cavity intercommunication, sterilization module install in first cavity and with filter element body relative setting, sterilization module is used for disinfecting to filter element body. Because the sterilization module is installed in first cavity and sets up with the filter core body is relative, the sterilization module can be located the surface of first cavity to the filter core body and disinfect, exterminates attached and remain bacterium and virus on the filter core body, avoids carrying more bacterium and virus in the air that finally flows from air conditioning system because of attached bacterium and virus are too much on the filter core body, reduces the possibility that the user is infected by bacterium and virus as far as possible.

Description

Air purification device, vehicle air conditioning system and vehicle

Technical Field

The present disclosure relates to the field of vehicle air conditioning equipment technology, and in particular, to an air purification device, a vehicle air conditioning system using the air purification device, and a vehicle using the vehicle air conditioning system.

Background

An air conditioning system is a system for cooling, heating, ventilating, and air conditioning purifying indoor air, and generally includes a filter, an evaporator, a condenser, and the like. In order to further reduce the amount of bacteria and viruses carried in the air sent out by the air conditioning system, in the prior art, an ultraviolet lamp is further arranged in the air conditioning system and used for irradiating the air flowing through the surface of the evaporator and the air flowing through the air distribution box so as to kill the bacteria and viruses carried in the air flowing through the surface of the evaporator and the air flowing through the air distribution box.

In the prior art, due to the limitation of the arrangement position of the ultraviolet lamp, the ultraviolet lamp can only sterilize the air which is about to flow out of the air conditioning system, however, in the operation process of the air conditioning system, the filter is of a filtering structure for filtering the air which enters the air conditioning system, along with the increase of the service life of the air conditioning system, a large amount of particulate matters, bacteria and viruses can be attached to the filter element body of the filter, so that the filter element body becomes a pollution source, and therefore, the air filtered by the filter element body can carry a large amount of bacteria and viruses, and the cleanliness of the air flowing out of the air conditioning system is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the present disclosure is to provide an air purification apparatus capable of sterilizing a filter element to reduce the amount of bacteria and viruses adhering to the filter element, a vehicle air conditioning system, and a vehicle.

In order to achieve the above object, the present disclosure provides an air purification device for an air conditioning system, including a housing, a filter element body and a sterilization module, the filter element body is installed in the housing and separates the housing into a first chamber and a second chamber, an air inlet of the air purification device is communicated with the first chamber, the sterilization module is installed in the first chamber and is arranged opposite to the filter element body, and the sterilization module is used for sterilizing the filter element body.

Optionally, the sterilization module comprises an ultraviolet light sterilization assembly and/or a plasma sterilization assembly.

Optionally, the sterilization module includes the ultraviolet ray sterilization subassembly, the ultraviolet ray sterilization subassembly include the installing support and be used for to filter core body transmission ultraviolet ray's ultraviolet lamp, installing support detachably installs in first cavity, the installing support includes holding tank and apron, the ultraviolet lamp is installed in the holding tank, the holding tank is close to filter core body's one end forms into open end, the apron is used for sealing open end, the apron structure is for can seeing through the ultraviolet ray.

Optionally, the mounting bracket further includes a first mounting leg and a second mounting leg respectively formed on two opposite side walls of the receiving groove, an installation column is formed at one end of the first mounting leg, which is far away from the receiving groove, an elastic clamping foot is formed at one end of the second mounting leg, which is far away from the receiving groove, a first mounting hole and a second mounting hole are formed on the housing, the installation column passes through the first mounting hole, and the elastic clamping foot passes through the second mounting hole and elastically opens, so that the stopping surface of the elastic clamping foot is stopped on the outer wall of the housing.

Optionally, the ultraviolet sterilizing component is still including setting up PCB board and heating panel in the holding tank, the ultraviolet lamp is installed on the PCB board, the heating panel subsides are established the PCB board is kept away from one side of ultraviolet lamp, the PCB board is used for being connected and switching on with external power source with power supply circuit between the ultraviolet lamp.

Optionally, the uv sterilization assembly is configured to generate uv light in a wavelength range of 200nm to 280 nm.

Optionally, the air purification device further includes a filter element support for supporting the filter element, the filter element is mounted on the filter element support, an opening through which the filter element support passes is formed on the housing, and the sealing plate is mounted on the housing to shield the opening.

Optionally, the air purification device further includes an air blower installed in the housing, the filter element is located between the sterilization module and the air blower, an air inlet of the air blower is communicated with the second chamber, and an air outlet of the air blower is communicated with an air outlet of the air purification device.

According to another aspect of the present disclosure, there is provided a vehicle air conditioning system including the air cleaning device described above.

According to yet another aspect of the present disclosure, a vehicle is provided that includes the vehicle air conditioning system described above.

Through above-mentioned technical scheme, because air purification device's air inlet and first cavity intercommunication, the surface that the filter core is located first cavity contacts with the air at first, the volume of the bacterium and the virus of this surface adhesion is more, and this disclosed sterilization module is installed in first cavity and sets up with the filter core relatively, sterilization module can be to the surface that the filter core is located first cavity disinfecting, kill bacterium and virus that adhere to and remain on the filter core, restrain bacterium and virus and propagate to grow on the filter core, avoid carrying more bacterium and virus in the air that leads to finally flowing from air conditioning system because of the bacterium and the virus of adhering to on the filter core, thereby influence the quality of the air that flows from air conditioning system, reduce the possibility that the user is infected by bacterium and virus as far as possible.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is an exploded view of an air cleaning device provided in an exemplary embodiment of the present disclosure;

FIG. 2 is a partial cross-sectional view of an air purification apparatus provided in an exemplary embodiment of the present disclosure;

fig. 3 is a schematic perspective view illustrating an ultraviolet light sterilization assembly of an air purification apparatus according to an exemplary embodiment of the present disclosure;

fig. 4 is a top view of an ultraviolet light sterilization assembly of an air purification device provided by an exemplary embodiment of the present disclosure;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic partial perspective view of an air purification apparatus provided in an exemplary embodiment of the present disclosure;

fig. 7 is a schematic layout view of ultraviolet lamps in an ultraviolet light sterilization assembly of an air purification device provided by an exemplary embodiment of the present disclosure on a PCB board;

fig. 8 is a schematic perspective view of a filter element support of an air purification apparatus according to an exemplary embodiment of the present disclosure;

fig. 9 is a schematic perspective view illustrating a blower of an air cleaning apparatus according to an exemplary embodiment of the present disclosure.

Description of the reference numerals

1 housing 11 first chamber

12 air inlet of the second chamber 13 air cleaning device

14 first mounting hole 15 second mounting hole

16 opening 17 air outlet of air purification device

18 upper shell and 19 lower shell

2 filter element body 3 ultraviolet sterilization component

31 mounting bracket 311 receiving groove

312 cover plate 313 first mounting leg

314 second mounting leg 315 mounting post

316 elastic clip 3161 stop surface

32 ultraviolet lamp 33 PCB board

34 heat dissipation plate 4 filter element support

41 bottom plate 42 first side plate

43 second side plate 44 stop projection

5-sealing plate 6 air blower

61 blower body 62 flange

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner" and "outer" is intended to refer to the interior and exterior of the corresponding structure or component profile unless indicated to the contrary.

As shown in fig. 1 to 9, the present disclosure provides an air cleaning device for an air conditioning system, particularly for a vehicle air conditioning system. This air purification device includes casing 1, filter element 2 and sterilization module, and filter element 2 installs in casing 1 and separates into first cavity 11 and second cavity 12 with casing 1 internal partitioning, and air purification device's air inlet 13 and first cavity 11 intercommunication, sterilization module install in first cavity 11 and with filter element 2 relative setting, this sterilization module is used for disinfecting to filter element 2.

Through the technical scheme, as the air inlet 13 of the air purification device is communicated with the first chamber 11, the surface of the filter element body 2 positioned in the first chamber 11 is firstly contacted with the air, the amount of bacteria and viruses attached to the surface is large, the sterilization module is installed in the first cavity 11 and is arranged opposite to the filter element body 2, the sterilization module can sterilize and disinfect the surface of the filter element body 2 in the first cavity 11, kill the bacteria and viruses attached and remained on the filter element body 2, inhibit the bacteria and viruses from breeding and growing on the filter element body 2, avoid the problem that the air finally flowing out of the air conditioning system carries more bacteria and viruses due to the excessive bacteria and viruses attached to the filter element body 2, thereby affecting the quality of the air flowing out of the air conditioning system and reducing the possibility of infection of the user by bacteria and viruses as much as possible.

The sterilization module can be any sterilization component capable of killing bacteria and viruses and inhibiting the propagation of the bacteria and the viruses. For example, the sterilization module may include an ultraviolet light sterilization assembly 3 and/or a plasma sterilization assembly. The ultraviolet light sterilization component 3 can emit ultraviolet light to the filter element body 2, and the ultraviolet light can destroy the molecular structure of DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) in cells of a microorganism organism, so that growth cell death and/or regeneration cell death are caused, and the sterilization and disinfection effects on the filter element body 2 are achieved. The plasma generated by the plasma sterilization component can generate strong interaction with the bacteria and viruses on the filter core body 2, so that the cell nucleuses of the bacteria and the viruses are electrically punctured, the physiological activities and the metabolism of the bacteria and the viruses are damaged, and finally the bacteria and the viruses attached and remained on the filter core body 2 are killed.

Using ultraviolet sterilization subassembly 3 as an example, in an embodiment that the present disclosure provided, ultraviolet sterilization subassembly 3 can include installing support 31 and the ultraviolet lamp 32 that is used for to filter core body 2 transmission ultraviolet ray, installing support 31 detachably installs in first cavity 11, installing support 31 includes holding tank 311 and apron 312, ultraviolet lamp 32 installs in holding tank 311, the one end that holding tank 311 is close to filter core body 2 forms into open end, apron 312 is used for sealing open end, apron 312 constructs the ultraviolet ray that can see through ultraviolet lamp 32 transmission. Because the ultraviolet lamp 32 is installed in the holding tank 311 of the mounting bracket 31, and the cover plate 312 closes the open end of the holding tank 311, the mounting bracket 31 can protect the ultraviolet lamp 32, thereby prolonging the service life of the ultraviolet lamp 32, and because the cover plate 312 is constructed to be capable of transmitting the ultraviolet light emitted by the ultraviolet lamp 32, that is, the cover plate 312 is made of a material (such as glass, transparent film, transparent plastic, etc.) capable of transmitting the ultraviolet light, the cover plate 312 does not affect the ultraviolet light emitted by the ultraviolet lamp to irradiate the filter core body 2.

Here, the cover plate 312 may be fixed at the opening 16 of the receiving groove 311, or may be detachably mounted at the opening 16 of the receiving groove 311, and the disclosure does not limit a specific connection manner of the cover plate 312 and the receiving groove 311. The above-mentioned ultraviolet lamp 32 can be an ultraviolet LED lamp bead, or an ultraviolet lamp 32 tube, etc., and the disclosure does not limit the specific type of the ultraviolet lamp 32, as long as the device capable of emitting ultraviolet light is within the protection scope of the disclosure.

In addition, because above-mentioned installing support 31 is in the first cavity 11 of detachably installation, can be convenient for ultraviolet lamp 32's dismantlement, maintenance and change to, when the air conditioner purifier of this application was used for vehicle air conditioning system, the user can be according to the demand dismantlement of self or installation ultraviolet lamp 32, satisfied user's individualized demand.

The mounting bracket 31 may be removably mounted within the first chamber 11 by various embodiments. For example, the mounting bracket 31 may be connected to the housing 1 of the air cleaning apparatus by a fastener (e.g., a bolt and nut kit), or a bayonet may be provided on one of the mounting bracket 31 and the housing 1 and a bayonet may be provided on the other, so that the mounting bracket 31 is clamped on the housing 1.

In an exemplary embodiment provided by the present disclosure, the mounting bracket 31 further includes a first mounting leg 313 and a second mounting leg 314 respectively formed on two opposite side walls of the receiving groove 311, a mounting post 315 is formed at an end of the first mounting leg 313 away from the receiving groove 311, an elastic clamping foot 316 is formed at an end of the second mounting leg 314 away from the receiving groove 311, a first mounting hole 14 and a second mounting hole 15 are formed on the housing 1, the mounting post 315 passes through the first mounting hole 14, and the elastic clamping foot 316 passes through the second mounting hole 15 and elastically expands to stop the stop surface 3161 of the elastic clamping foot 316 on the outer wall of the housing 1. When the mounting bracket 31 is installed in the first chamber 11, the mounting post 315 may first pass through the first mounting hole 14, and the end surface of the elastic clip 316 is aligned with the end surface of the second mounting hole 15 located in the housing 1, and then the elastic clip 316 passes through the second mounting hole 15, after the elastic clip 316 passes through the second mounting hole 15, the elastic clip 316 is elastically expanded, the stop surface of the elastic clip can be stopped on the outer wall of the housing 1, and the end surface of the second mounting leg 314 close to the elastic clip 316 can be stopped on the inner wall of the housing 1, so as to limit the axial movement of the mounting bracket 31 along the second mounting hole, and thus the mounting bracket 31 can be stably installed in the first chamber 11. In other embodiments, the first mounting leg 313 and the second mounting leg 314 may be formed on the cover 312, or when the volume of the uv lamp 32 is larger, the volume of the receiving groove 311 covering the uv lamp 32 is larger, and the distance between the receiving groove 311 and the housing 1 is shorter, the first mounting leg 313 and/or the second mounting leg 314 may not be provided, and the mounting post 315 and the elastic clip 316 may be directly formed on the receiving groove 311 or the cover 312.

Optionally, the uv sterilization assembly 3 may further include a PCB 33 and a heat dissipation plate 34 disposed in the accommodating groove 311, the uv lamp 32 is mounted on the PCB 33, the heat dissipation plate 34 is attached to one side of the PCB 33 away from the uv lamp 32 for dissipating heat from the PCB 33 and the uv lamp 32, and the PCB 33 is used for connecting with an external power supply and conducting a power supply circuit between the external power supply and the uv lamp 32. The PCB 33 may be integrated with a control component, through which the control of the uv lamp 32 can be realized, for example, the uv lamp 32 is controlled to be turned on or off.

In order to improve the sterilization effect of the uv sterilization assembly 3 on the filter element body 2, optionally, the uv sterilization assembly 3 is configured to generate uv light with a wavelength ranging from 200nm to 280 nm. Ultraviolet light with a wavelength ranging from 200nm to 280nm is more easily absorbed by genetic material nucleic acid of viruses and bacteria, the nucleic acid is used as important genetic material, when the tissue structure is destroyed after the ultraviolet light is irradiated, a thymidylate dylate (TT) is formed in DNA, and a uracil dylate (TT) is formed in RNA, so that the viruses and the bacteria lose the replication and transcription capability, and the viruses and the bacteria die.

In addition, the filter element body 2 mentioned above may be any structure having an effect of filtering particulate matter, dust, and the like in the air. Optionally, the filter core body 2 provided by the present disclosure may be composed of a folded non-woven fabric, and the folded u non-woven fabric is tightly connected with the peripheral hard edge strip through a hot melt adhesive, so as to maintain the overall shape of the product. The mesh-shaped laminated fibers in the non-woven fabric can intercept particles in the air flow, efficiently remove the particles with the particle size of more than 0.3 mu m and ensure the filtering quality.

The filter element body 2 is easily deformed by receiving the impact of the air flow, and particularly, when the filter element body 2 is formed of the above-mentioned nonwoven fabric, the filter element body 2 is more easily deformed. For avoiding filter element body 2 to warp, and be convenient for filter element body 2 to install in casing 1, optionally, air purification device can also include the filter element body support 4 that is used for supporting filter element body 2, and filter element body 2 is installed on filter element body support 4 to make filter element body support 4 can provide the holding power to filter element body 2, do benefit to the structural integrity who guarantees filter element body 2, avoid filter element body 2 to warp because of receiving the impact of air current. In order to enable the filter element support 4 to be installed in the housing 1, the housing 1 may be formed with an opening 16 through which the filter element support 4 passes, the filter element support 4 with the filter element 2 installed therein can pass through the opening 16 and enter the inside of the housing 1, and the air cleaning device further includes a sealing plate 5, the sealing plate 5 being installed on the housing 1 to block the opening 16, so as to prevent air from entering the inside of the housing 1 through the opening 16.

The filter element support 4 may have any suitable structure and shape, and in one embodiment provided by the present disclosure, the filter element 2 is a cubic structure, and the filter element support 4 may include a bottom plate 41 for supporting the filter element 2, two first side plates 42 disposed on opposite sides of the bottom plate 41, and one second side plate 43 connected between the two first side plates 42. The filter element 2 can be inserted into the filter element holder 4 from the open end opposite to the second side plate 43, and the end of the first side plate 42 away from the bottom plate 41 can be formed with a limiting projection 44, and the limiting projection 44 is stopped on the surface of the filter element 2 away from the bottom plate 41 to limit the movement of the filter element 2. In order to improve the strength of the filter element body support 4, reinforcing ribs can be formed on the filter element body support 4.

In addition, in order to facilitate the air to enter the interior of the housing 1 from the air inlet 13 of the air purification device and improve the flow rate of the air flow, the air purification device may further include an air blower 6, the air blower 6 is installed in the housing 1, the filter element body 2 is located between the sterilization module and the air blower 6, the air inlet of the air blower 6 is communicated with the second chamber 12, and the air outlet of the air blower 6 is communicated with the air outlet 17 of the air purification device, so that the air blower 6 can extract the air in the interior of the housing 1, the air flow flows from the first chamber 11 to the second chamber 12, and the air flow can smoothly flow through the filter element.

Alternatively, to facilitate the installation of the blower 6, the blower 6 may include a blower main body 61 and a flange 62 formed on the blower main body 61 such that the flange 62 can be coupled with the housing 1 by a fastener. As an embodiment, the housing 1 may include an upper housing 181 and a lower housing 191 connected to each other, the filter element body 2 and the sterilization module are installed in the upper housing 181, and the flange 62 is connected to the lower housing 191. Here, lower housing 191 may be blower 6 housing 1 fitted over blower body 61, and in the embodiment in which lower housing 191 is blower 6 housing 1, flange 62 is connected to blower 6 housing 1, and blower 6 housing 1 is connected to upper housing 181.

According to another aspect of the present disclosure, there is provided a vehicle air conditioning system including the air cleaning device described above. Because the air purification device is provided with the sterilization module, the sterilization module can sterilize the filter element body 2, thereby killing bacteria and viruses attached to and remained on the filter element body 2, inhibiting the bacteria and the viruses from breeding and growing on the filter element body 2, avoiding the situation that the air finally flowing out from the air conditioning system carries more bacteria and viruses due to excessive bacteria and viruses attached to the filter element body 2, being beneficial to ensuring the air quality in the passenger compartment of the vehicle, and reducing the possibility that passengers in the vehicle are infected by the bacteria and the viruses as much as possible

As an embodiment, the vehicle air conditioning system may include a damper and a heat exchanger, the air inlet 13 of the air purification device may include a first air inlet and a second air inlet, the first air inlet is configured to communicate with a passenger compartment of the vehicle, the second air inlet is configured to communicate with the atmosphere outside the vehicle, the damper selectively closes one of the first air inlet and the second air inlet, the air outlet 17 of the air purification device faces the heat exchanger to blow air to the heat exchanger, and the air flowing through the heat exchanger may deliver cold air or warm air to the passenger compartment after heat exchange by the heat exchanger, so as to cool or heat the passenger compartment. Here, the heat exchanger may be a condenser or an evaporator.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The utility model provides an air purification device for air conditioning system, its characterized in that includes casing (1), filter core body (2) and sterilization module, install filter core body (2) in casing (1) and with casing (1) internal partitioning becomes first cavity (11) and second cavity (12), air purification device's air inlet (13) with first cavity (11) intercommunication, sterilization module installs in first cavity (11) and with filter core body (2) set up relatively, sterilization module is used for right filter core body (2) disinfect.

2. Air cleaning device according to claim 1, characterized in that the sterilization module comprises a uv sterilization assembly (3) and/or a plasma sterilization assembly.

3. The air purification apparatus according to claim 2, wherein the sterilization module comprises the uv sterilization assembly (3), the uv sterilization assembly (3) comprises a mounting bracket (31) and a uv lamp (32) for emitting uv light to the filter core (2), the mounting bracket (31) is detachably mounted in the first chamber (11), the mounting bracket (31) comprises a receiving groove (311) and a cover plate (312), the uv lamp (32) is mounted in the receiving groove (311), one end of the receiving groove (311) close to the filter core (2) is formed as an open end, the cover plate (312) is used for closing the open end, and the cover plate (312) is configured to be permeable to the uv light.

4. The air cleaning apparatus according to claim 3, wherein the mounting bracket (31) further includes a first mounting leg (313) and a second mounting leg (314) respectively formed on opposite side walls of the receiving groove (311), the end of the first mounting leg (313) far away from the accommodating groove (311) is provided with a mounting column (315), one end of the second mounting leg (314) far away from the accommodating groove (311) is provided with an elastic clamping foot (316), a first mounting hole (14) and a second mounting hole (15) are formed on the shell (1), the mounting post (315) passes through the first mounting hole (14), the elastic clamping foot (316) passes through the second mounting hole (15) and is elastically expanded, so that the stop surface (3161) of the elastic clamping foot (316) stops on the outer wall of the shell (1).

5. The air purification device according to claim 3, wherein the UV light sterilization assembly (3) further comprises a PCB (33) and a heat dissipation plate (34) disposed in the accommodating groove (311), the UV light (32) is mounted on the PCB (33), the heat dissipation plate (34) is attached to a side of the PCB (33) away from the UV light (32), and the PCB (33) is used for connecting with an external power supply and conducting a power supply circuit between the external power supply and the UV light (32).

6. Air cleaning device according to any of claims 2-5, characterized in that the UV light germicidal assembly (3) is configured to generate UV light in the wavelength range of 200-280 nm.

7. The air cleaning device according to any one of claims 1-5, further comprising a filter element holder (4) for supporting the filter element (2), the filter element being mounted on the filter element holder (4), the housing (1) being formed with an opening (16) through which the filter element holder (4) passes, and a closing plate (5), the closing plate (5) being mounted on the housing (1) to block the opening (16).

8. The air purification apparatus according to any one of claims 1 to 5, further comprising a blower (6), the blower (6) being mounted within the housing (1), the filter core (2) being located between the sterilization module and the blower (6), an air inlet of the blower (6) being in communication with the second chamber (12), an air outlet of the blower (6) being in communication with an air outlet (17) of the air purification apparatus.

9. A vehicle air conditioning system characterized by comprising the air cleaning device according to any one of claims 1 to 8.

10. A vehicle characterized by comprising the vehicle air conditioning system of claim 9.