CN216481294U - Air purification device installed at air outlet of central air conditioner - Google Patents

Air purification device installed at air outlet of central air conditioner Download PDF

Info

Publication number
CN216481294U
CN216481294U CN202122652302.5U CN202122652302U CN216481294U CN 216481294 U CN216481294 U CN 216481294U CN 202122652302 U CN202122652302 U CN 202122652302U CN 216481294 U CN216481294 U CN 216481294U
Authority
CN
China
Prior art keywords
outer frame
air
mounting plate
sliding door
central air
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
Application number
CN202122652302.5U
Other languages
Chinese (zh)
Inventor
柯立
张发望
杨甲强
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.)
Xi'an Yunji Electromechanical Equipment Co ltd
Original Assignee
Xi'an Yunji Electromechanical Equipment Co ltd
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 Xi'an Yunji Electromechanical Equipment Co ltd filed Critical Xi'an Yunji Electromechanical Equipment Co ltd
Priority to CN202122652302.5U priority Critical patent/CN216481294U/en
Application granted granted Critical
Publication of CN216481294U publication Critical patent/CN216481294U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to the technical field of air purification devices, in particular to an air purification device arranged at an air outlet of a central air conditioner; install air outlet department on the wall or central air conditioning through the mounting panel, the mounting panel has the through-hole, supply central air conditioning to give vent to anger, the frame passes through the installation component to be installed on the mounting panel, sliding door and frame sliding connection, then install on the mounting panel through the installation component, and form the accommodation space with the frame, primary filter net passes through the mounting panel to be installed in the accommodation space, carry out primary filter, the rear at primary filter net is installed to the dust absorption filter net, carry out secondary filter, auxiliary component installs the rear at the dust absorption filter net, further filter, and then through multiple filtration, the filter effect is better, be favorable to user's respiratory tract safety.

Description

Air purification device installed at air outlet of central air conditioner
Technical Field
The utility model relates to the technical field of air purification devices, in particular to an air purification device arranged at an air outlet of a central air conditioner.
Background
The central air conditioning system is composed of one or more cold and heat source systems and a plurality of air conditioning systems, and the system is different from the traditional refrigerant type air conditioner and is used for intensively treating air to meet the comfort requirement. The current central air conditioner is widely applied.
However, the air outlet of the central air conditioner is insufficient, the blown air contains more dust or polluted air, the common central air conditioner is only provided with a common filter screen for filtering, the function is single, the purification efficiency of peculiar smell, dust or toxic gas is low, and the respiratory tract safety of a user is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air purification device arranged at an air outlet of a central air conditioner, and aims to solve the technical problems that a common central air conditioner in the prior art is only provided with a common filter screen for filtering, has single function, has low purification efficiency on peculiar smell, dust or toxic gas and influences the respiratory tract safety of a user.
In order to achieve the purpose, the air purification device arranged at the air outlet of the central air conditioner comprises a mounting plate, an outer frame, a sliding door, a mounting assembly and a purification assembly, wherein the mounting plate is fixedly connected with the outer frame;
the outer frame is positioned on one side of the mounting plate, the sliding door is connected with the outer frame in a sliding manner, positioned on one side of the outer frame, which is far away from the mounting plate, and forms an accommodating space with the outer frame, and the mounting assembly is fixedly connected with the outer frame;
the purification assembly comprises a primary filter screen, a dust absorption filter screen and an auxiliary component, the primary filter screen passes through the mounting assembly and is connected with the outer frame and is positioned in the accommodating space, the dust absorption filter screen passes through the mounting assembly and is connected with the outer frame and is positioned in the accommodating space, and the auxiliary component is positioned in the accommodating space.
The utility model discloses a filter, including mounting panel, frame, sliding door, dust absorption filter screen, auxiliary component, installation component, mounting panel, air outlet department that mounting panel was installed on the wall or central air conditioning, the through-hole supplies central air conditioning's circulation of air, the frame passes through installation component installs on the mounting panel, sliding door sliding connection be in on the frame, will one side of frame is opened or is closed, installation component still sets up sliding door with the frame forms in the accommodation space, primary filter screen passes through installation component installs in the accommodation space for preliminary filtration, the dust absorption filter screen passes through installation component installs in the accommodation space for the secondary filter, auxiliary component passes through installation component installs in the accommodation space for disinfect and further filter, through multiple filtration, make the filter effect better, be favorable to user's respiratory tract safety.
The auxiliary component comprises an adsorption net and an ultraviolet lamp, the adsorption net is connected with the outer frame through the mounting assembly and is positioned in the accommodating space; the ultraviolet lamp is detachably connected with the outer frame and is positioned in the accommodating space.
The adsorption net is installed in the accommodating space through the installation assembly and is used for absorbing and degrading organic pollution sources such as formaldehyde, benzene and toluene and peculiar smell sources, and the ultraviolet lamp is fixed in front of the adsorption net and is used for sterilization.
The mounting assembly comprises a guide rail, an anti-slip strip and a connecting member, wherein the guide rail is fixedly connected with the outer frame and is positioned in the accommodating space; the anti-slip strip is fixedly connected with the guide rail and is positioned on one side of the guide rail, which is far away from the outer frame; the connecting component is fixedly connected with the mounting plate.
The guide rail is installed on the frame to quantity is a plurality of, cooperates respectively purification subassembly sets up, supplies primary filter screen the dust absorption filter screen with the absorption net slides in, the antislip strip is arranged in between guide rail and each filter screen, plays firm effect, connecting elements will the frame with the sliding door is fixed on the mounting panel.
The connecting component comprises a threaded column, a nut and a buckle, and the threaded column is fixedly connected with the mounting plate and is positioned on one side of the mounting plate close to the outer frame; the nut is in threaded connection with the threaded column and is positioned on one side of the threaded column close to the outer frame; the buckle is fixedly connected with the mounting plate.
The screw thread post is fixed on the mounting panel and runs through the outer frame and the sliding door, the nut is in threaded connection on the screw thread post, the outer frame and the sliding door are fixed on the mounting panel, and the buckle runs through the outer frame and the sliding door to assist in mounting the nut.
The buckle comprises a main body, a clamp and an auxiliary spring, wherein the main body is fixedly connected with the mounting plate and is positioned on one side of the mounting plate close to the outer frame; the clamp is fixedly connected with the main body and is positioned on one side of the main body, which is far away from the mounting plate; the auxiliary spring is located between the clip and the main body.
The main part is connected the checkpost, the checkpost with the gap has between the main part, supplementary spring coupling be in the checkpost with between the main part the checkpost passes the frame or during the sliding door, supplementary spring with the checkpost is compressed, passes and accomplishes the back, supplementary spring drives the checkpost resumes, will the frame or the sliding door butt carries out preliminary spacing, is convenient for this moment the installation the nut.
The outer frame is provided with a vent hole, and the vent hole is positioned on one side of the outer frame, which is far away from the mounting plate.
The ventilation hole that the frame has is located the frame is kept away from one side of mounting panel, circulates to the outside after filtering central air conditioning blows off gas.
The air purification device arranged at the air outlet of the central air conditioner further comprises a sealing strip, wherein the sealing strip is fixedly connected with the sliding door and is positioned between the sliding door and the outer frame.
The sealing strip is filled between the sliding door and the outer frame, so that the periphery of the accommodating space is kept airtight, and air can be better filtered.
The sliding door is provided with an extending part, and the extending part is positioned on one side of the sliding door close to the outer frame and extends into the inner part of the outer frame.
The extension part plays a guiding role in sliding the sliding door and prevents the sliding door from sliding out of the outer frame.
The air purification device arranged at the air outlet of the central air conditioner is arranged on a wall or the air outlet of the central air conditioner through the mounting plate, the mounting plate is provided with a through hole for the air outlet of the central air conditioner, the outer frame is arranged on the mounting plate through the mounting assembly, the sliding door is connected with the outer frame in a sliding mode, then the sliding door is arranged on the mounting plate through the mounting assembly and forms the accommodating space with the outer frame, the primary filter screen is arranged in the accommodating space through the mounting plate for primary filtering, the dust absorption filter screen is arranged behind the primary filter screen for secondary filtering, the auxiliary component is arranged behind the dust absorption filter screen for further filtering, and further multiple filtering is performed, so that the filtering effect is better, and the respiratory tract safety of a user is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an air purification device installed at an outlet of a central air conditioner according to the present invention.
Fig. 2 is a sectional view of the air cleaning apparatus installed at the outlet of the central air conditioner according to the present invention.
Fig. 3 is a schematic structural view of an opened state of the sliding door of the present invention.
Fig. 4 is a schematic structural view of the sliding door of the present invention.
Fig. 5 is an enlarged view of fig. 1 at a of the present invention.
Fig. 6 is an enlarged view of the utility model at B of fig. 2.
1-mounting plate, 2-outer frame, 3-sliding door, 4-sealing strip, 10-mounting assembly, 11-guide rail, 12-antislip strip, 13-connecting member, 20-purifying assembly, 21-primary filter screen, 22-dust-absorbing filter screen, 23-auxiliary member, 100-air purifying device mounted at air outlet of central air conditioner, 101-containing space, 131-threaded column, 132-nut, 133-buckle, 201-vent hole, 231-absorbing net, 232-ultraviolet lamp, 301-extending part, 1331-main body, 1332-clip and 1333-auxiliary spring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the present invention provides an air purification apparatus 100 installed at an air outlet of a central air conditioner, including an installation plate 1, an outer frame 2, a sliding door 3, an installation component 10 and a purification component 20;
the outer frame 2 is positioned on one side of the mounting plate 1, the sliding door 3 is connected with the outer frame 2 in a sliding manner, is positioned on one side of the outer frame 2 away from the mounting plate 1, forms an accommodating space 101 with the outer frame 2, and the mounting assembly 10 is fixedly connected with the outer frame 2;
the purification assembly 20 comprises a primary filter screen 21, a dust suction filter screen 22 and an auxiliary component 23, wherein the primary filter screen 21 is connected with the outer frame 2 through the mounting assembly 10 and is positioned in the accommodating space 101, the dust suction filter screen 22 is connected with the outer frame 2 through the mounting assembly 10 and is positioned in the accommodating space 101, and the auxiliary component 23 is positioned in the accommodating space 101.
Further, referring to fig. 2 and 3, the auxiliary member 23 includes an adsorption net 231 and an ultraviolet lamp 232, the adsorption net 231 is connected to the outer frame 2 through the mounting assembly 10 and is located in the accommodating space 101; the ultraviolet lamp 232 is detachably connected with the outer frame 2 and is located in the accommodating space 101.
In this embodiment, the air outlet setting of mounting panel 1 cooperation central air conditioning through the bolt installation on wall or central air conditioning's outside, has the through-hole and supplies central air conditioning to give vent to anger, frame 2 passes through installation component 10 installs on mounting panel 1, sliding door 3 sliding connection in on frame 2, will frame 2 opens and closes, then install through installation component 10 on mounting panel 1, form with frame 2 accommodation space 101, accommodation space 101 is located central air conditioning's air outlet department, and central air conditioning blows out gas at first gets into in accommodation space 101, primary filter screen 21 adopts the non-woven fabrics filter screen, install through installation component 10 in accommodation space 101 for contaminants such as fibre, hair in the primary filtered air, dust absorption filter screen 22 adopts the active carbon fiber material to make, the installation assembly 10 is arranged behind the primary filter screen 21 to perform secondary filtration, the ultraviolet lamp 232 is UVA-340 in model, is arranged on the outer frame 2 and is positioned behind the dust absorption filter screen 22, the power is switched on to operate and is used for sterilizing gas to be purified, the adsorption net 231 is arranged behind the ultraviolet lamp 232 through the installation assembly 10, organic pollution sources such as formaldehyde, benzene and methylbenzene and peculiar smell sources can be absorbed and degraded, the air is deeply cleaned, the freshness of indoor air is ensured, and further, the filtering effect is better through multiple filtration, and the safety of respiratory tracts of users is ensured.
Further, referring to fig. 5 and 6, the mounting assembly 10 includes a guide rail 11, a cleat 12 and a connecting member 13, wherein the guide rail 11 is fixedly connected with the outer frame 2 and is located in the accommodating space 101; the anti-skid strips 12 are fixedly connected with the guide rails 11 and are positioned on one side of the guide rails 11 far away from the outer frame 2; the connecting member 13 is fixedly connected to the mounting plate 1.
Further, referring to fig. 3 and 5, the connecting member 13 includes a threaded column 131, a nut 132 and a buckle 133, the threaded column 131 is fixedly connected to the mounting plate 1 and is located on one side of the mounting plate 1 close to the outer frame 2; the nut 132 is in threaded connection with the threaded column 131 and is positioned on one side of the threaded column 131 close to the outer frame 2; the buckle 133 is fixedly connected with the mounting plate 1.
Further, referring to fig. 5, the buckle 133 includes a main body 1331, a clip 1332 and an auxiliary spring 1333, wherein the main body 1331 is fixedly connected to the mounting plate 1 and is located at one side of the mounting plate 1 close to the outer frame 2; the clip 1332 is fixedly connected with the main body 1331 and is positioned on one side of the main body 1331 away from the mounting plate 1; the auxiliary spring 1333 is located between the catch 1332 and the main body 1331.
In this embodiment, the guide rails 11 are fixed inside the outer frame 2, and the number of the guide rails 11 is multiple, and the guide rails are distributed along the height direction of the outer frame 2, and are arranged corresponding to the primary filter screen 21, the dust absorption filter screen 22, and the adsorption screen 231, so that the primary filter screen 21, the dust absorption filter screen 22, and the adsorption screen 231 can slide in, and further limit the position of the primary filter screen 21, the dust absorption filter screen 22, and the adsorption screen 231, and the anti-slip strips 12 are made of flexible rubber materials, are fixedly connected to the guide rails 11, and are located between the guide rails 11 and the primary filter screen 21, between the guide rails 11 and the dust absorption filter screen 22, and between the guide rails 11 and the adsorption screen 231, and fill gaps to fix the anti-slip strips, and further can sequentially filter the air blown by the central air conditioner; the number of the threaded columns 131 is multiple, the threaded columns 131 are respectively fixed around the mounting plate 1 and penetrate through the outer frame 2 and the sliding door 3, the nuts 132 are in threaded connection with the threaded columns 131 and are matched with the threaded columns 131, the outer frame 2 and the sliding door 3 are fixed on the mounting plate 1, the outer frame and the sliding door form the accommodating space 101, and air filtration is performed on a central air conditioner; the main body 1331 is fixed to the mounting plate 1, and a plurality of main bodies 1331 are distributed around the mounting plate 1, the clip 1332 is fixed to one side of the main body 1331 away from the mounting plate 1, the clip 1332 is made of thin metal or thin plastic, a gap is formed between the clip 1332 and the main body 1331, and two ends of the auxiliary spring 1333 are connected to the clip 1332 and the main body 1331 respectively and are located between the clip 1332 and the main body 1331; when in use, the primary filter screen 21, the dust absorption filter screen 22, the ultraviolet lamp 232 and the adsorption screen 231 are firstly installed in the outer frame 2, then the outer frame 2 is placed on the mounting plate 1, at this time, the threaded column 131 penetrates through the outer frame 2, meanwhile, the clamp 1332 is compressed, the clamp 1332 penetrates through the outer frame 2, after the clamp 1332 penetrates out, the auxiliary spring 1333 is ejected without force, the clamp 1332 is opened to abut against the outer frame 2, further, the outer frame 2 is clamped on the mounting plate 1, at this time, the nut 132 is connected on the threaded column 131, the outer frame 2 is fixed, further, the installation is convenient, then, the sliding door 3 is slid, the outer frame 2 is closed, the sliding door 3 is fixed on the mounting plate 1 in the same way, further, the disassembly and installation are convenient, and each filter screen in the accommodating space 101 is convenient to take out, timely replacement and cleaning, better filtering effect and benefit to the respiratory tract safety of users.
Further, referring to fig. 1 and fig. 2, the outer frame 2 has a vent hole 201, and the vent hole 201 is located on a side of the outer frame 2 away from the mounting plate 1.
In this embodiment, the ventilation hole 201 that frame 2 has is located frame 2 keeps away from one side of mounting panel 1 makes central air conditioning's wind be in frame 2 is filtered the back rethread in proper order ventilation hole 201 discharges, makes the filter effect better, is favorable to user's respiratory tract safety.
Further, referring to fig. 3, the air purification apparatus 100 installed at the air outlet of the central air conditioner further includes a sealing strip 4, and the sealing strip 4 is fixedly connected to the sliding door 3 and is located between the sliding door 3 and the outer frame 2.
In this embodiment, sealing strip 4 adopts flexible rubber material to make, fixes on sliding door 3, and stretches into in the frame 2 sliding door 3 is in after the completion of sliding on frame 2, sealing strip 4 fills sliding door 3 with clearance between the frame 2 makes sliding door 3 with frame 2 forms accommodation space 101's edge keeps airtight, simultaneously, sliding door 3 slidable mounting back, each filter screen is closely pressed close to its inboard, makes air in the accommodation space 101 can discharge through filtering in proper order again, makes the filter effect better, ensures user's respiratory tract safety.
Further, referring to fig. 4, the sliding door 3 has an extension portion 301, and the extension portion 301 is located at a side of the sliding door 3 close to the outer frame 2 and extends into the inner portion of the outer frame 2.
In this embodiment, the extension portion 301 is integrally formed with the sliding door 3 and extends into the inner portion of the outer frame 2, so as to guide the sliding of the sliding door 3, and the long portion prevents the sliding door 3 from sliding out of the outer frame 2, so that the use is facilitated, and the user experience is better.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the utility model.

Claims (8)

1. An air purification device arranged at an air outlet of a central air conditioner is characterized by comprising an installation plate, an outer frame, a sliding door, an installation component and a purification component;
the outer frame is positioned on one side of the mounting plate, the sliding door is connected with the outer frame in a sliding manner, positioned on one side of the outer frame, which is far away from the mounting plate, and forms an accommodating space with the outer frame, and the mounting assembly is fixedly connected with the outer frame;
the purification assembly comprises a primary filter screen, a dust absorption filter screen and an auxiliary component, the primary filter screen passes through the mounting assembly and is connected with the outer frame and is positioned in the accommodating space, the dust absorption filter screen passes through the mounting assembly and is connected with the outer frame and is positioned in the accommodating space, and the auxiliary component is positioned in the accommodating space.
2. The air cleaning device installed at the outlet of the central air-conditioning according to claim 1,
the auxiliary component comprises an adsorption net and an ultraviolet lamp, and the adsorption net is connected with the outer frame through the mounting assembly and is positioned in the accommodating space; the ultraviolet lamp is detachably connected with the outer frame and is positioned in the accommodating space.
3. The air cleaning device installed at the outlet of the central air-conditioning according to claim 1,
the mounting assembly comprises a guide rail, an anti-slip strip and a connecting member, and the guide rail is fixedly connected with the outer frame and is positioned in the accommodating space; the anti-slip strip is fixedly connected with the guide rail and is positioned on one side of the guide rail, which is far away from the outer frame; the connecting component is fixedly connected with the mounting plate.
4. The air cleaning device installed at the outlet of the central air-conditioning according to claim 3,
the connecting component comprises a threaded column, a nut and a buckle, the threaded column is fixedly connected with the mounting plate and is positioned on one side of the mounting plate close to the outer frame; the nut is in threaded connection with the threaded column and is positioned on one side of the threaded column close to the outer frame; the buckle is fixedly connected with the mounting plate.
5. The air cleaning device installed at the outlet of the central air-conditioning according to claim 4,
the buckle comprises a main body, a clip and an auxiliary spring, wherein the main body is fixedly connected with the mounting plate and is positioned on one side of the mounting plate close to the outer frame; the clamp is fixedly connected with the main body and is positioned on one side of the main body, which is far away from the mounting plate; the auxiliary spring is located between the clip and the main body.
6. The air cleaning device installed at the outlet of the central air-conditioning according to claim 1,
the frame has the ventilation hole, the ventilation hole is located the frame is kept away from the one side of mounting panel.
7. The air cleaning device installed at the outlet of the central air-conditioning according to claim 1,
the air purification device arranged at the air outlet of the central air conditioner further comprises a sealing strip, wherein the sealing strip is fixedly connected with the sliding door and is positioned between the sliding door and the outer frame.
8. The air cleaning device installed at the outlet of the central air-conditioning according to claim 1,
the sliding door is provided with an extending part, and the extending part is positioned on one side of the sliding door close to the outer frame and extends into the outer frame.
CN202122652302.5U 2021-11-02 2021-11-02 Air purification device installed at air outlet of central air conditioner Active CN216481294U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122652302.5U CN216481294U (en) 2021-11-02 2021-11-02 Air purification device installed at air outlet of central air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122652302.5U CN216481294U (en) 2021-11-02 2021-11-02 Air purification device installed at air outlet of central air conditioner

Publications (1)

Publication Number Publication Date
CN216481294U true CN216481294U (en) 2022-05-10

Family

ID=81444308

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122652302.5U Active CN216481294U (en) 2021-11-02 2021-11-02 Air purification device installed at air outlet of central air conditioner

Country Status (1)

Country Link
CN (1) CN216481294U (en)

Similar Documents

Publication Publication Date Title
CN106671743B (en) A kind of air disinfecting and purifying device being installed at public transit vehicle escape scuttle
CN216481294U (en) Air purification device installed at air outlet of central air conditioner
CN210416152U (en) Self-cleaning type automobile air conditioner filtering device
CN209952449U (en) Deodorization device
CN205853823U (en) A kind of portable car-mounted air purifier
CN112303799A (en) Air purifier
CN212979811U (en) Automobile air conditioner air outlet with air purification subassembly
CN213354146U (en) Air purifying and filtering device of air conditioner for vehicle
CN213322595U (en) Air purifying device for passenger car
KR100808398B1 (en) Car air purification by water curtain and photocatalyst
CN210688593U (en) A ventilation device for getting rid of indoor formaldehyde
CN220589372U (en) Effectual peculiar smell dispels device
CN212950057U (en) Vehicle-mounted air sterilizing machine
CN214891541U (en) Terminal purification mechanism of heating ventilation air conditioner
CN217844208U (en) Air purifier based on indoor formaldehyde is got rid of
CN204542978U (en) Ecosystem anion generator
CN219856604U (en) Intelligent classroom interactive blackboard with fresh air circulation system
CN219120719U (en) Air conditioner air purification device
CN219333648U (en) Adsorption filter
CN216374120U (en) Air outlet mechanism of automobile air conditioner
CN220176365U (en) Primary effect self-cleaning device for rail transit air handling unit
CN211705404U (en) Dual-mode box type sterilization and disinfection device for automobile air conditioner ventilation system
CN219083325U (en) Central air conditioning tuber pipe purifier
CN212283297U (en) Air supply device for mobile base station
CN210502200U (en) Automobile air conditioner ventilation purification device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant