CN212657850U - Air purification device, ventilation pipeline, air conditioning system and fresh air system - Google Patents
Air purification device, ventilation pipeline, air conditioning system and fresh air system Download PDFInfo
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- CN212657850U CN212657850U CN202021442157.7U CN202021442157U CN212657850U CN 212657850 U CN212657850 U CN 212657850U CN 202021442157 U CN202021442157 U CN 202021442157U CN 212657850 U CN212657850 U CN 212657850U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses an air purification device, an air conduit, an air conditioning system and a fresh air system, wherein the air purification device comprises a lower shell, a ballast, a lamp holder and a circuit board are sequentially arranged in the lower shell, and the ballast, the lamp holder and the circuit board are mutually connected through electric wires; the bottom surface of the lower shell is provided with a first through hole, the lamp holder is fixed in the first through hole, the lamp holder is provided with a UV lamp, and the UV lamp is positioned outside the first through hole; the surface of the circuit board is provided with an optical coupler, a relay and a communication module; the side wall of the lower shell is provided with a power line connector which is electrically connected with the circuit board. The utility model discloses a UV lamp, casing and the inside different structure of casing and position relation down have realized this air purification device, can be on guaranteeing simple structure, convenient to use's basis, to the purpose of the high-efficient disinfection of air.
Description
Technical Field
The utility model relates to an air purification field, specific theory relates to an air purification device, air pipe, air conditioning system and new trend system.
Background
An air conditioning system or a fresh air system generally directly transmits outdoor air to the room, so that the effect of regulating the indoor temperature or replacing the air is achieved. However, the air has a certain amount of bacteria and viruses, especially in a relatively closed indoor space, which poses a threat to human health. Therefore, how to improve, optimize or design an air purification device for an air conditioning system or a fresh air system to enable the air purification device to have an effective disinfection and sterilization effect, and the air purification device is simple in structure and convenient to use, and is a problem which needs to be solved urgently in the field.
Therefore, whether can design an air purification device, on guaranteeing simple structure, convenient to use's basis, realize the high-efficient disinfection and sterilization of air, be the problem that this patent wants to solve.
Disclosure of Invention
To the above defect that prior art exists, the utility model provides an air purification device, air pipe, air conditioning system and new trend system has realized this air purification device, can guarantee simple structure, on convenient to use's basis, to the purpose of the high-efficient disinfection of air.
The utility model provides a technical scheme as follows: an air purification device comprises a lower shell, wherein a ballast, a lamp holder and a circuit board are sequentially arranged in the lower shell, and the ballast, the lamp holder and the circuit board are connected with each other through wires; the bottom surface of the lower shell is provided with a first through hole, the lamp holder is fixed in the first through hole, the lamp holder is provided with a UV lamp, and the UV lamp is positioned outside the first through hole; the surface of the circuit board is provided with an optical coupler, a relay and a communication module; the side wall of the lower shell is provided with a power line connector which is electrically connected with the circuit board.
The technical scheme discloses an air purification device, which is simple in structure and compact in overall structure on one hand, by sequentially installing a ballast, a lamp holder and a circuit board in a lower shell, installing a UV lamp on the lamp holder and installing the lower shell of the UV lamp outside a first through hole; on the other hand, through the power cord power supply, through opening and closing of communication module control UV lamp, it is convenient to use, and the practicality is strong. In addition, the UV lamp can efficiently damage organisms of bacteria and viruses in the air, and further achieve the purpose of sterilization and disinfection.
Further, one end of the circuit board, which is close to the ballast, is provided with a connector; the lower shell bottom surface is provided with a circuit board fixing table, the circuit board is fixed on the circuit board fixing table, and the electric wire passes through the circuit board and between the lower shell bottom surface to connect the connector with the power line connector.
On one hand, the connector is arranged at one end of the circuit board close to the ballast, so that the lengths of connecting wires of the ballast, a lamp holder, a signal lamp and the like in subsequent schemes can be reduced, the integral structure is clear, and the maintenance is convenient; on the other hand, through using the circuit board fixed station, with setting up the clearance between circuit board and the lower casing bottom surface, can make the electric wire pass in the circuit board below, solved the electric wire and sheltered from the circuit board, inconvenient installation and maintenance, and then make overall structure more perfect, increased this air purification device's reliability and practicality.
Furthermore, an ECO generator is arranged on the outer side of the first through hole, is of a hollow structure and is sleeved outside the UV lamp, and is fixedly connected with the lower shell; the ECO generator is provided with two corresponding side walls, a purification module is arranged on each side wall, a plurality of purification holes are formed in each purification module, and a noble metal hydrophilic coating is arranged in each purification hole.
The technical scheme further discloses an ECO generator, wherein ultraviolet rays and X rays are emitted through a UV lamp with a specific wavelength, the ultraviolet rays with the specific wavelength irradiate the ECO generator to excite a rare metal coating to perform an oxidation reaction with water in the air to generate a purification factor, the air ionization characteristic is combined with specific rare noble metals with a photocatalytic reaction to generate particles with oxidation property, and then pollutants in the air and on the surface of an object are decomposed through the oxidation particles. Chemical substances in the air are decomposed, particles in the air are settled, and the air purification effect is achieved actively.
Furthermore, the air purification device comprises an upper shell, wherein a plurality of heat dissipation holes are formed in the surface of the upper shell, and the upper shell is detachably connected with the lower shell; the surface of the circuit board is also provided with a power supply module which can convert high-voltage current input through the power line connector into low-voltage current suitable for the UV lamp.
The technical scheme further discloses an upper shell and a power supply module, on one hand, the upper shell can play a role in protecting the internal structure of the lower shell, and heat can be dissipated in time through heat dissipation holes during use; on the other hand, can convert the civil electricity of higher voltage into the low-tension electricity that is applicable to the UV lamp through power module, no longer use traditional transformer, reduced the volume of whole device, it is high-efficient convenient.
Further, the lateral wall of the lower shell is provided with an indicator light and an antenna, the indicator light is connected with the connector through a wire, the antenna is connected with the communication module through a wire, and the indicator light, the antenna and the power line connector are located on the same side of the lower shell.
A ventilation duct comprises any one of the air purification devices, wherein a mounting hole is formed in the side wall of the ventilation duct; air purification device with air pipe lateral wall fixed connection, just the UV lamp passes through the mounting hole is located inside the air pipe.
This technical scheme further discloses a ventilation pipe, through seting up the mounting hole at the ventilation pipe lateral wall, insert the mounting hole with the UV lamp, install inside ventilation pipe, make air purification device can carry out disinfection treatment to the air current in the air duct at any time, and because the air current flows along ventilation pipe axis direction in the ventilation pipe, and UV lamp perpendicular to ventilation pipe axis direction, and then increased the effective area of shining of UV lamp, strengthened disinfection efficiency.
Further, still include: the first mounting plate is arranged on the surface of the mounting hole and detachably connected with the ventilating duct, a limiting hole is formed in the surface of the first mounting plate and corresponds to the mounting hole, a plurality of screws are arranged on one side, away from the ventilating duct, of the first mounting plate, and the axis direction of the screws is perpendicular to that of the first mounting plate; the bottom of casing is fixed with the second mounting panel down, second mounting panel surface is provided with a plurality of second through-holes, the second through-hole with the screw rod cooperatees.
This technical scheme further discloses first mounting panel, second mounting panel and air purification device and air pipe's connected mode. Through at the first mounting panel of mounting hole place face installation, the bottom installation second mounting panel of casing down, rethread threaded connection spare can dismantle first mounting panel in the second mounting panel and fix together, and then indirectly with air pipe and this air purification device together fixed. The structural design is strong in practicability, reliable in connection and good in market prospect.
Further, a first isolation layer is arranged between the second mounting plate and the first mounting plate; the first mounting panel with be provided with the second isolation layer between the air pipe.
The technical scheme further discloses a first isolation layer and a second isolation layer, wherein the first isolation layer is arranged between the second mounting plate and the first mounting plate, and the second isolation layer is arranged between the first mounting plate and the ventilation pipeline, so that on one hand, the air purification device can be prevented from electric leakage and conducting dangerous accidents to the ventilation pipeline; on the other hand, the air flow in the ventilation pipeline can be effectively prevented from directly entering the room through the mounting hole.
An air conditioning system comprising the ventilation duct as described in any of the above.
A fresh air system comprises the ventilation pipeline.
The technical scheme further discloses an air conditioning system and a fresh air system. By using the ventilating duct with the air purification device in an air conditioning system or a fresh air system, on one hand, continuous virus elimination can be realized, no dead angle exists, and all areas in the ventilating duct can be covered by installing the air purification device; on the other hand, dangerous chemicals such as ozone or chlorine are not used, and certain safety guarantee is provided for human beings, animals, plants and food; in addition, viruses, bacteria, molds and bad smells can be eliminated or greatly reduced by the air cleaning device, and the apparatus can be used for various indoor spaces having ventilation ducts.
The technical effects of the utility model reside in that:
1. the ballast, the lamp holder and the circuit board are sequentially arranged in the lower shell, the UV lamp is arranged on the lamp holder, and the lower shell of the UV lamp is arranged outside the first through hole, so that the air purification device is simple in structure and compact in overall structure; in addition, supply power through the power cord, through opening and closing of communication module control UV lamp, it is convenient to use, and the practicality is strong. In addition, the UV lamp can efficiently damage organisms of bacteria and viruses in the air, so that the aims of sterilization and disinfection are fulfilled;
2. the connector is arranged at one end of the circuit board close to the ballast, so that the lengths of connecting wires of the ballast, the lamp holder, a signal lamp and the like in subsequent schemes can be reduced, the integral structure is clear, and the maintenance is convenient; in addition, by using the circuit board fixing table, a gap is formed between the circuit board and the bottom surface of the lower shell, so that the electric wire can pass below the circuit board, the problem that the electric wire shields the circuit board and is inconvenient to install and maintain is solved, the overall structure is further improved, and the reliability and the practicability of the air purification device are improved;
3. the side wall of the ventilation pipeline is provided with the mounting hole, the UV lamp is inserted into the mounting hole and is arranged in the ventilation pipeline, so that the air purification device can disinfect and sterilize air flow in the air channel at any time, and the air flow in the ventilation pipeline flows along the axial direction of the ventilation pipeline, and the UV lamp is perpendicular to the axial direction of the ventilation pipeline, so that the effective irradiation area of the UV lamp is increased, and the disinfection efficiency is enhanced;
4. through at the first mounting panel of mounting hole place face installation, the bottom installation second mounting panel of casing down, rethread threaded connection spare can dismantle first mounting panel in the second mounting panel and fix together, and then indirectly with air pipe and this air purification device together fixed. The structure has strong design practicability, reliable connection and better market prospect;
5. by arranging the first isolating layer between the second mounting plate and the first mounting plate and arranging the second isolating layer between the first mounting plate and the ventilation pipeline, on one hand, the air purifying device can prevent electric leakage and dangerous accidents caused by transmission to the ventilation pipeline; on the other hand, the air flow in the ventilation pipeline can be effectively prevented from directly entering the room through the mounting hole;
6. by using the ventilating duct with the air purification device in an air conditioning system or a fresh air system, on one hand, continuous virus elimination can be realized, no dead angle exists, and all areas in the ventilating duct can be covered by installing the air purification device; on the other hand, dangerous chemicals such as ozone or chlorine are not used, and certain safety guarantee is provided for human beings, animals, plants and food; in addition, viruses, bacteria, molds and bad smells can be eliminated or greatly reduced by the air cleaning device, and the apparatus can be used for various indoor spaces having ventilation ducts.
Drawings
The invention will be described in further detail with reference to the following drawings and embodiments:
fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;
fig. 4 is a schematic view of the internal structure of an embodiment of the present invention;
fig. 5 is a partial schematic view of a second embodiment of the present invention.
The reference numbers illustrate:
10. the electronic device comprises an upper shell, 20 parts of a circuit board, 21 parts of an optical coupler, 22 parts of a communication module, 23 parts of a power module, 24 parts of a connector, 25 parts of a relay, 30 parts of a power line, 31 parts of a power line connector, 40 parts of a lower shell, 41 parts of a first through hole, 42 parts of a circuit board fixing table, 50 parts of a first isolation layer, 60 parts of a first mounting plate, 70 parts of a second isolation layer, 80.UV lamps, 81 parts of a lamp holder, 90 parts of a ballast, 100 parts of an ECO generator, 110 parts of indicator lamps, 120 parts of an antenna, 130 parts of a second mounting plate, 140 parts of a ventilation pipeline and 150 parts of power equipment.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
[ EXAMPLES one ]
As shown in fig. 1, the air cleaning device mainly includes an upper housing 10, a lower housing 40, and a ballast 90, a lamp socket 80, and a circuit board 20 inside. In practical applications, the air purification device can be installed on the ventilation duct 140 of the air conditioning system or the fresh air fan system.
Specifically, as shown in fig. 2 and 3, the air cleaning apparatus includes a lower housing 40, a ballast 90, a lamp socket 80 and a circuit board 20 are sequentially installed in the lower housing 40, and the ballast 90, the lamp socket 80 and the circuit board 20 are connected to each other by wires; wherein, the bottom surface of the lower shell 40 is provided with a first through hole 41, the lamp holder 80 is fixed in the first through hole 41, the lamp holder 80 is provided with the UV lamp 80, and the UV lamp 80 is positioned outside the first through hole 41; the surface of the circuit board 20 is provided with a power module 23, a connector 24, an optical coupler 21, a relay 25 and a communication module 22; the side wall of the lower housing 40 is provided with a power line connector 31, the power line connector 31 can be connected with an external power source through a power line 30, and the power line connector 31 is electrically connected with the circuit board 20.
It is further preferred that the connector 24 be disposed at an end of the circuit board 20 proximate the ballast 90. And a plurality of circuit board fixing platforms 42 are arranged on the bottom surface of the lower shell 40, and threaded holes are formed in one ends of the circuit board fixing platforms 42 far away from the bottom surface of the lower shell 40. The circuit board 20 is fixed to the circuit board fixing base 42 by screws or bolts, so that a gap is formed between the circuit board 20 and the bottom surface of the lower case 40, and a part of the electric wires for connecting the connector 24 and the power line connector 31 is present in the gap.
Furthermore, a plurality of heat dissipation holes are formed in the surface of the upper housing 10, and the upper housing 10 is connected with the lower housing 40 through a threaded connection piece or a snap-fit structure. Specifically, the power supply module 23 may convert a high-voltage current input through the power line connector 31 into a low-voltage current suitable for the UV lamp 80. As shown in fig. 4, an indicator light 110 and an antenna 120 are mounted on the side wall of the lower housing 40, the indicator light 110 is connected to the connector 24 by an electric wire, the antenna 120 is connected to the communication module 22 by an electric wire, and the indicator light 110, the antenna 120 and the power line connector 31 are located on the same side of the lower housing 40.
Further preferably, the ECO generator 100 is installed outside the first through hole 41
(Electrocatalytic Oxidation), wherein the ECO generator 100 is of a hollow structure and is sleeved outside the UV lamp 80, and the ECO generator 100 is fixedly connected with the lower shell 40; the ECO generator 100 has two corresponding sidewalls, a purification module is disposed on the sidewalls, a plurality of purification holes are disposed on the purification module, and a noble metal hydrophilic coating is disposed in the purification holes.
In practical applications, the UV lamp 80 emits ultraviolet light with a specific wavelength to irradiate the ECO generator 100, so as to excite the rare metal coating to perform an oxidation reaction with water in the air to generate a purification factor, combine the ionization characteristics of the air with the specific rare noble metal having a photocatalytic reaction to generate particles with oxidation properties, and further decompose pollutants in the air and on the surface of an object through the oxidized particles.
[ example two ]
An air duct 140, as shown in fig. 5, can be used to mount the air purification device of the above embodiment, and the air purification device includes an upper housing 10, a lower housing 40, and a ballast 90, a lamp holder 80, and a circuit board 20 inside, which are not described in detail herein.
Further preferably, the side wall of the ventilation duct 140 is provided with a mounting hole; air purification device with air pipe 140 lateral wall fixed connection, and UV lamp 80 passes through the mounting hole is located inside air pipe 140.
Specifically, a first mounting plate 60 covers the surface of the mounting hole, the first mounting plate 60 is detachably connected with the ventilation duct 140, a limiting hole is formed in the surface of the first mounting plate 60, the limiting hole corresponds to the mounting hole, a plurality of screws are arranged on one side, away from the ventilation duct 140, of the first mounting plate 60, and the axis direction of the screws is perpendicular to the first mounting plate 60; the bottom of the lower shell 40 is fixed with a second mounting plate 130, and the surface of the second mounting plate 130 is provided with a plurality of second through holes which are matched with the screw rods. Further, a first isolation layer 50 is disposed between the second mounting plate 130 and the first mounting plate 60; a second insulation layer 70 is disposed between the first mounting plate 60 and the ventilation duct 140.
In other words, the ventilation duct 140 is mounted on the side wall having the mounting hole, in order: a second insulation layer 70, a first mounting plate 60, a first insulation layer 50, a second mounting plate 130, a lower case 40, air cleaning device internal elements, and an upper case 10. Wherein the UV lamp 80 and the ECO generator 100 are extended into the ventilation duct 140, the UV lamp 80 is fixed to the lamp socket 80, and the base is fixed in the first through hole 41. It should be noted that the surfaces of the second isolation layer 70, the first mounting plate 60, the first isolation layer 50 and the second mounting plate 130 are all provided with holes corresponding to the first through holes 41, and the center lines thereof all coincide with the mounting holes within an error range.
In practical application, the method comprises the following steps: 1. selecting a proper installation position on the side wall of the ventilation pipeline 140, wherein the width of the side wall of the ventilation pipeline 140 is not less than 28 cm; 2. cutting off a portion of the ventilation duct 140 for installation of the air cleaning apparatus; 3. marking the mounting holes with the limiting holes of the first mounting plate 60; 4. using a hole opener to open a mounting hole; 5. removing the sticker on the back of the second release layer 70; 6. attaching the first mounting plate 60 to the side wall of the ventilation duct 140 so that the central lines of the limiting holes and the mounting holes are basically overlapped; 7. Fixing the first mounting plate 60 to the surface of the ventilation duct 140 using electric drills; 8. inserting the air purification device into the limiting hole and the mounting hole until the first isolation layer 50 touches the first mounting plate 60, and inserting the screw on the first mounting plate 60 into the second through hole; 9. the air cleaning device is fixed to the ventilation duct 140 by a nut; 10. the power supply device 150 is switched on to start operation, and the mobile phone and the panel lamp terminal are connected with the communication module 22 of the air purification device, so that the device can be controlled to be turned on or off at any time.
[ EXAMPLE III ]
An air conditioning system and a fresh air system include the ventilation duct 140 described in the second embodiment, and the specific structure and connection mode of the ventilation duct 140 are not described herein again. The air conditioning system or the fresh air system generates air flow, the air flow is transmitted to the indoor through the ventilation pipeline 140, and before the air enters the indoor, the air is subjected to disinfection and sterilization treatment through the air purification device, so that the air discharged into the indoor is clean and healthy.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An air purifying device is characterized in that,
the air purification device comprises a lower shell, wherein a ballast, a lamp holder and a circuit board are sequentially arranged in the lower shell, and the ballast, the lamp holder and the circuit board are connected with each other through wires; wherein,
the bottom surface of the lower shell is provided with a first through hole, the lamp holder is fixed in the first through hole, the lamp holder is provided with a UV lamp, and the UV lamp is positioned outside the first through hole;
the surface of the circuit board is provided with an optical coupler, a relay and a communication module;
the side wall of the lower shell is provided with a power line connector which is electrically connected with the circuit board.
2. An air cleaning device according to claim 1,
a connector is arranged at one end of the circuit board close to the ballast;
the lower shell bottom surface is provided with a circuit board fixing table, the circuit board is fixed on the circuit board fixing table, and the electric wire passes through the circuit board and between the lower shell bottom surface to connect the connector with the power line connector.
3. An air cleaning device according to claim 1,
an ECO generator is arranged on the outer side of the first through hole, is of a hollow structure and is sleeved outside the UV lamp, and is fixedly connected with the lower shell;
the ECO generator is provided with two corresponding side walls, a purification module is arranged on each side wall, a plurality of purification holes are formed in each purification module, and a noble metal hydrophilic coating is arranged in each purification hole.
4. An air cleaning device according to claim 1,
the air purification device comprises an upper shell, wherein a plurality of heat dissipation holes are formed in the surface of the upper shell, and the upper shell is detachably connected with the lower shell;
the surface of the circuit board is also provided with a power supply module which can convert high-voltage current input through the power line connector into low-voltage current suitable for the UV lamp.
5. An air cleaning device according to claim 2,
the utility model discloses a communication module, including casing, lower casing lateral wall facial make-up, connector wire connection, antenna, power cord connector, the lower casing lateral wall facial make-up is equipped with pilot lamp and antenna, the pilot lamp with connector wire connection, the antenna with communication module wire connection, the pilot lamp the antenna with power cord connector is located same one side of casing down.
6. A ventilation duct, characterized by comprising the air cleaning device according to any one of claims 1 to 5,
the side wall of the ventilating duct is provided with a mounting hole;
air purification device with air pipe lateral wall fixed connection, just the UV lamp passes through the mounting hole is located inside the air pipe.
7. A ventilation duct according to claim 6, further comprising:
the first mounting plate is arranged on the surface of the mounting hole and detachably connected with the ventilating duct, a limiting hole is formed in the surface of the first mounting plate and corresponds to the mounting hole, a plurality of screws are arranged on one side, away from the ventilating duct, of the first mounting plate, and the axis direction of the screws is perpendicular to that of the first mounting plate;
the bottom of casing is fixed with the second mounting panel down, second mounting panel surface is provided with a plurality of second through-holes, the second through-hole with the screw rod cooperatees.
8. A ventilation duct according to claim 7,
a first isolation layer is arranged between the second mounting plate and the first mounting plate;
the first mounting panel with be provided with the second isolation layer between the air pipe.
9. An air conditioning system comprising a ventilation duct according to any of claims 6 to 8.
10. A ventilation system comprising a ventilation duct according to any of claims 6 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021442157.7U CN212657850U (en) | 2020-07-21 | 2020-07-21 | Air purification device, ventilation pipeline, air conditioning system and fresh air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021442157.7U CN212657850U (en) | 2020-07-21 | 2020-07-21 | Air purification device, ventilation pipeline, air conditioning system and fresh air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212657850U true CN212657850U (en) | 2021-03-05 |
Family
ID=74770790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021442157.7U Active CN212657850U (en) | 2020-07-21 | 2020-07-21 | Air purification device, ventilation pipeline, air conditioning system and fresh air system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212657850U (en) |
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2020
- 2020-07-21 CN CN202021442157.7U patent/CN212657850U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231013 Address after: Room 902, 9th Floor, One Midtown, 11 Haisheng Road, Tsuen Wan, Hong Kong, China Patentee after: HUMAN HEALTH SOLUTIONS CO.,LTD. Address before: Room 310-07, 3 / F, building 1, 38 Debao Road, Pudong New Area, Shanghai 200135 Patentee before: Shanghai Huanwei Industrial Co.,Ltd. |
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| TR01 | Transfer of patent right |