CN212362285U - Air purifier and air purification system with same - Google Patents

Air purifier and air purification system with same Download PDF

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Publication number
CN212362285U
CN212362285U CN202021538881.XU CN202021538881U CN212362285U CN 212362285 U CN212362285 U CN 212362285U CN 202021538881 U CN202021538881 U CN 202021538881U CN 212362285 U CN212362285 U CN 212362285U
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air
reaction chamber
reaction
gas
water
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李婧婧
褚萍
李新坤
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Cic Hechuang Beijing Environmental Protection Technology Co ltd
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Abstract

The utility model relates to an air purification technical field mainly relates to an air purifier and have its air purification system, and it includes: reaction chamber, spraying mechanism and installation component, the reaction chamber includes: the air inlet and the air outlet of the reaction cavity are respectively arranged at two ends of the reaction cavity; the spraying mechanism includes: the spray head sprays water mist towards the reaction chamber; the installation component is arranged on the reaction chamber and is used for installing the reaction chamber on the hanging platform. The reaction chamber is arranged on the hanging platform through the mounting assembly, so that the floor space is not occupied, and the space utilization rate is improved; the air inlet and the air outlet are respectively arranged at the two ends of the reaction cavity, and the spray head is arranged in the reaction cavity, so that air can fully react with water mist in the flowing process of the reaction cavity, the reaction time of the air and the water mist is effectively prolonged, and infectious germs such as coronavirus, influenza A virus and the like are effectively removed.

Description

Air purifier and air purification system with same
Technical Field
The utility model relates to an air purification technical field mainly relates to an air purifier and have its air purification system.
Background
The air purifier is used as a household appliance capable of removing pollutants such as particulate matters, viruses and bacteria in the air, and is increasingly applied to daily household life. In particular, viruses that are transmitted through air, aerosols, and the like are frequently found in society every spring and winter. The spread of such viruses poses a great hazard to public health safety. Because the existing air purification equipment mostly adopts a filter screen to realize air filtration, and the filter screen has low virus inhibiting or sterilizing performance, the existing filter screen air purification can not kill virus and bacteria in the air and can not block the aerosol transmission path of the virus.
Patent document TW200513313A discloses an air cleaning device, which specifically discloses that a water mist wall is formed by converting water into water mist and forming the water mist wall by the water mist. The water mist wall is arranged on a flowing channel of air, so that viruses, particles, dust and the like in the air are adsorbed. Then, the aqueous solution adsorbed with the virus is sterilized by the medicament. However, in the prior art, the water mist wall consisting of water mist only blocks the aerosol transmission path of the virus, thereby realizing the collection and sterilization of the virus. The water mist does not have time and space to fully react with various harmful substances in the air, so that the problem that the water mist in the prior art has poor blocking effect on the aerosol transmission path of the viruses is caused.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at providing an air purifier and have its air purification system to solve present through the water smoke realize to the unable abundant harmful fully reaction with in the air of its water smoke of air filtration water smoke air purifier water smoke, cause the poor problem of its purifying effect of current water smoke air purifier.
The technical scheme of the utility model is that:
an air purifier, comprising: reaction chamber, spraying mechanism and installation component, the reaction chamber includes: the air inlet and the air outlet of the reaction cavity are respectively arranged at two ends of the reaction cavity; the spraying mechanism comprises a spray head, and the spray head sprays water mist towards the inside of the reaction chamber; the installation component is arranged on the reaction chamber and is used for installing the reaction chamber on the hanging platform.
The mounting assembly includes: the connecting piece is arranged on the reaction chamber; one end of the expansion piece is connected with the connecting piece, and the other end of the expansion piece is connected with the hanging platform.
The spray head is an atomizing spray head, and the atomizing mechanism further comprises a high-pressure atomizing pump which is connected with the spray head.
The air purifier also comprises a water storage tank which is communicated with the reaction chamber.
The reaction chamber is horizontally arranged on the hanging platform along the length direction.
The reaction chamber is provided with at least two groups of nozzles arranged at intervals along the length direction.
The spray nozzle is arranged on the mist outlet pipe, the reaction cavity is provided with a jack matched with the shape of the mist outlet pipe, and the mist outlet pipe is detachably connected with the reaction cavity.
The spray head is detachably connected with the reaction cavity in a splicing way along the horizontal direction.
This air purifier still includes: the first fan is arranged on the reaction chamber and is communicated with the air inlet; and/or the presence of a gas in the gas,
and the second fan is arranged on the reaction chamber and is communicated with the air outlet.
The reaction chamber is at least two, and two reaction chambers communicate.
The ends of the adjacent reaction chambers on the same side are communicated.
This air purifier still includes: and the gas-liquid separator is arranged close to the air outlet of the reaction cavity and is communicated with the reaction cavity.
The gas-liquid separator comprises a first gas-liquid separator and/or a second gas-liquid separator; the first gas-liquid separator includes: the gas guide device comprises at least two flow guide cavities and second arc-shaped baffles, wherein the flow guide cavities are formed by enclosing a plurality of first arc-shaped baffles which are arranged in parallel, and the second arc-shaped baffles are arranged in the flow guide cavities to prevent gas from passing through the flow guide cavities; the flow guide cavity is communicated with an air outlet of the reaction cavity; the second gas-liquid separator includes: a water-blocking mass consisting of densely arranged wires.
An air purification system, includes foretell air purifier, still includes the catch basin, and is a plurality of air purifier with catch basin parallel connection.
An ultraviolet sterilizing lamp is arranged in the water collecting tank.
The air purification system also comprises a water storage tank which is arranged on the reaction chamber and communicated with the reaction chamber; the water storage tank is internally provided with a water pump, and the water pumps of the air purifiers are all connected with the water collecting tank.
The water pumps of the air purifiers are connected with the water collecting tank through a float switch.
The technical scheme of the utility model has following advantage:
1. the utility model discloses an air purifier, including reacting chamber, spraying mechanism and installation component, the reacting chamber includes: the air inlet and the air outlet of the reaction cavity are respectively arranged at two ends of the reaction cavity; the spraying mechanism includes: the spray head sprays water mist towards the reaction chamber; the mounting assembly is disposed on the reaction chamber. When in use, the reaction chamber is arranged on the hanging platform through the mounting component, so that the air purifier of the utility model does not occupy the ground space, and the space utilization rate is improved; the air inlet and the air outlet are respectively arranged at two ends of the reaction cavity, the spray head is arranged in the reaction cavity, when the air purifier is used, air enters the reaction cavity from the air inlet, water mist is sprayed out of the spray head in the reaction cavity, the air is fully mixed and reacted with the water mist in the flowing process, and finally the purified air is discharged out of the reaction cavity from the air outlet.
The arrangement mode effectively increases the reaction time of the air and the water mist, enables the water mist to fully react with harmful substances in the air, removes the harmful substances in the air, prevents viruses from being transmitted through aerosol, and effectively removes infectious germs such as coronavirus, influenza A virus and the like. The problem of its purifying effect of current water smoke air purifier is poor is solved.
2. The utility model discloses an air purifier, reaction chamber are at least two, two the reaction chamber intercommunication, two its tip intercommunication with one side in the reaction chamber. For the explanation convenience, respectively with two reaction chamber marks first reaction chamber and second reaction chamber, when using, the air gets into by the air intake of first reaction chamber, gets into the air intake of second reaction chamber via the air outlet of first reaction chamber again, and the air after the final purification is by air outlet discharge second reaction chamber, through setting up more than two reaction chambers for water smoke and air mixing reaction are more abundant, have promoted the purifying effect to the air.
3. The utility model discloses an air purifier still includes vapour and liquid separator, and it is close to the air outlet setting of reaction chamber, and with the reaction chamber intercommunication. When the reaction chamber is internally provided with only one reaction chamber, air enters the reaction chamber through the air inlet when the reaction chamber is used, and enters the gas-liquid separator after the reaction chamber is mixed and reacted with water mist, and the gas-liquid separator discharges the treated air to the outside; when the reaction chamber is provided with more than two reaction chambers, for convenience of explanation, the two reaction chambers are respectively marked as a first reaction chamber and a second reaction chamber, air enters the first reaction chamber through the air inlet, enters the gas-liquid separator after the first reaction chamber is mixed and reacted with water mist, the air treated by the gas-liquid separator flows into the second reaction chamber through the air inlet of the second reaction chamber, then passes through the gas-liquid separator again, and the air treated by the gas-liquid separator is discharged to the outside.
On the one hand, gas-liquid separator separates out the liquid drop of adsorbing harmful substance, germ from the air, is showing and has promoted air purification effect, and on the other hand makes the water content of the external air of reaction chamber discharge little, and humidity is low, promotes user experience.
4. The utility model discloses an air purifier, shower nozzle setting are provided with the jack with play fog pipe shape looks adaptation on the reaction chamber on going out the fog pipe, go out the fog pipe and can dismantle with the reaction chamber and link to each other. Through setting up the shower nozzle on a fog pipe to make above-mentioned fog pipe detachably install in above-mentioned reaction chamber, the user can take out the shower nozzle as required simply and conveniently, realizes wasing operations such as change, thereby prevents to breed the bacterium on fog pipe and the shower nozzle.
5. The utility model discloses an air purification system, including above-mentioned air purifier, still include the catch basin, a plurality of air purifier and catch basin parallel connection. When using, can disperse air purifier to each independent indoor, a catch basin is shared to a plurality of air purifier, on the one hand, has practiced thrift installation air purifier's occupation space effectively, and on the other hand has practiced thrift production and maintenance cost, if when disinfecting to quality of water, only detect and handle the quality of water in the catch basin and can realize.
6. The air purification system of the utility model also comprises a water storage tank which is communicated with the reaction chamber; the water storage tanks are internally provided with water pumps, and the water pumps in the water storage tanks of the air purifiers are all connected with the water collecting tank.
When the device is used, water in the water collecting tank forms water mist in the reaction cavity through the spraying mechanism, the water mist and air fully react in the reaction cavity to remove harmful substances in the air so as to prevent viruses from being transmitted through aerosol, and thus infectious germs such as coronavirus, influenza A virus and the like are effectively removed; after the reaction with the air is carried out fully, the water mist is attached to the inner wall of the reaction cavity, water drops are formed to flow into the water storage tank, when a certain amount is reached, the float switch is triggered, the water pump pumps the water in the water storage tank into the water collecting tank for centralized treatment, the purification efficiency is improved remarkably, and the purification cost is reduced.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a perspective view of an air cleaner according to a first embodiment;
fig. 2 is a schematic structural view of a perspective view of an air cleaner according to a second embodiment;
fig. 3 is a schematic perspective view of a first gas-liquid separator according to a first embodiment and a second embodiment;
fig. 4 is a schematic perspective view of a second gas-liquid separator according to the first and second embodiments;
fig. 5 is a schematic structural view of an air purification system of a third embodiment;
fig. 6 is a schematic view of the internal structure of the catch basin of the third embodiment.
Description of reference numerals:
1-a reaction chamber; 2-a first separator; 3-air inlet; 4, air outlet; 5-a spray head; 6-a first gas-liquid separator; 7-a second gas-liquid separator; 8, a water storage tank; 9-high pressure atomizing pump; 10-a mist outlet pipe; 11-a first arced barrier; 12-a second arced barrier; 13-a gas-liquid separator; 14-a filter; 15-a first fan; 16-a water collecting tank; 17-ultraviolet sterilizing lamp.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example one
As shown in fig. 1, 3, and 4, the air purifier of the present embodiment includes: reaction chamber 1, spraying mechanism and installation component, reaction chamber 1 includes: the air inlet 3 and the air outlet 4 of the reaction cavity are respectively arranged at two ends of the reaction cavity; the spraying mechanism comprises a spray head 5, the spray head 5 is an atomizing spray head 5, the spraying mechanism also comprises a high-pressure atomizing pump 9 which is connected with the spray head 5, and the spray head 5 sprays water mist towards the reaction chamber 1; the installation component is arranged on the reaction chamber 1 to be used for installing the reaction chamber 1 on the hanging platform, the hanging platform in the embodiment is an indoor wall or other installation racks capable of realizing hanging the air purifier in the embodiment, and the installation component is not repeated here.
At least two groups of spray heads 5 arranged at intervals are arranged in the reaction cavity along the length direction of the reaction cavity, and the spray heads 5 are detachably connected with the reaction cavity along the horizontal direction in an inserting manner so as to be convenient for replacing the spray heads 5.
As another changeable implementation, the spray head 5 is arranged on the mist outlet pipe 10, the reaction chamber is provided with a jack matched with the shape of the mist outlet pipe 10, the mist outlet pipe 10 is detachably connected with the reaction chamber, and the spray head 5 is replaced after the mist outlet pipe 10 is detached.
Wherein, the installation component includes: the connecting piece is arranged on the reaction chamber 1; one end of the expansion piece is connected with the connecting piece, the other end of the expansion piece is connected with the hanging platform, and when the air purifier is installed, the reaction chamber 1 is horizontally arranged on the hanging platform along the length direction of the reaction chamber, and three installation modes such as a fan coil type installation mode, an embedded installation mode and an open-mounted ceiling installation mode can be adopted.
The air purifier also comprises a water storage tank 8, the water storage tank 8 is communicated with the reaction chamber 1, and a water pump and a float switch are arranged in the water storage tank 8.
The air purifier also comprises a first fan 15 which is arranged on the reaction chamber 1 and communicated with the air inlet 3; and the second fan is arranged on the reaction chamber 1 and is communicated with the air outlet 4.
As an alternative embodiment, only the first fan 15 or only the second fan may be provided.
This air purifier still includes: and the gas-liquid separator 13 is arranged close to the air outlet 4 of the reaction cavity and is communicated with the reaction cavity.
The gas-liquid separator 13 includes a first gas-liquid separator 6 or a second gas-liquid separator 7; the first gas-liquid separator 6 includes: the gas-liquid separator comprises at least two flow guide cavities and second arc-shaped baffles, wherein the flow guide cavities are surrounded by a plurality of first arc-shaped baffles 11 which are arranged in parallel, and the second arc-shaped baffles 12 are arranged in the flow guide cavities to block gas from passing through the flow guide cavities; the flow guide cavity is communicated with an air outlet 4 of the reaction cavity; the second gas-liquid separator 7 includes: a water-blocking mass composed of densely arranged metal wires;
when in use, the reaction chamber 1 is arranged on the hanging platform through the mounting component, so that the air purifier of the utility model does not occupy the ground space, and the space utilization rate is improved; the air inlet 3 and the air outlet 4 are respectively arranged at two ends of the reaction cavity, the spray head 5 is arranged in the reaction cavity, when the reaction cavity is used, air enters the reaction cavity from the air inlet 3, water mist is sprayed out of the spray head 5 in the reaction cavity, the air is fully mixed and reacted with the water mist in the flowing process and then enters the gas-liquid separator 13, and the treated air is discharged to the outside through the gas-liquid separator 13.
Through setting up vapour and liquid separator 13, on the one hand, vapour and liquid separator 13 separates out in the liquid drop from the air that adsorbs harmful substance, germ, is showing and is promoting the air purification effect, and on the other hand makes the water content of the external air of being discharged by reaction chamber little, and humidity is low, promotes user experience.
Example two
As shown in fig. 2, 3, and 4, on the basis of the first embodiment, two reaction chambers are set, and the two reaction chambers are separated by the first partition plate 2, for convenience of description, the two reaction chambers are respectively marked as a first reaction chamber and a second reaction chamber, and the air outlet of the first reaction chamber and the air inlet 3 of the second reaction chamber are disposed at the same end of the reaction chamber 1 and are communicated with each other.
When the device is used, air enters the first reaction cavity from the air inlet 3 of the first reaction cavity, is mixed and reacted with water mist, and then enters the first gas-liquid separator 6, the air treated by the first gas-liquid separator 6 flows into the second reaction cavity through the air inlet 3 of the second reaction cavity, and then passes through the second gas-liquid separator 7, and the air treated by the second gas-liquid separator 7 is discharged to the outside.
Through setting up more than two reaction chambers for water smoke and air mixing reaction are more abundant, have promoted the purifying effect to the air.
The first fan is arranged at the air inlet close to the first reaction cavity, and the second fan is arranged at the air outlet close to the second reaction cavity.
EXAMPLE III
The air purification system of the embodiment, as shown in fig. 5-6, includes the air purifiers of the first embodiment and/or the second embodiment, and further includes a water collecting tank 16, wherein the air purifiers are connected in parallel with the water collecting tank 16, and the high-pressure atomizing pump 9 is disposed in the water collecting tank 16 and connected to the spray head 5 disposed in the reaction chamber.
Alternatively, a plurality of air cleaners may be connected in series with the sump 16.
A water pump is arranged in the water storage tank 8, the water pumps of the air purifiers are connected with a water collecting tank 16 through a float switch, and a filter 14 is further arranged in the water collecting tank 16 and used for filtering water pumped into the water collecting tank from the water storage tank.
When the device is used, water in the water collecting tank forms water mist in the reaction cavity through the spraying mechanism, the water mist and air fully react in the reaction cavity to remove harmful substances in the air so as to prevent viruses from being transmitted through aerosol, and thus infectious germs such as coronavirus, influenza A virus and the like are effectively removed; after fully reacting with the air, the water mist is attached to the inner wall of the reaction cavity to form water drops which flow into the water storage tank 8, when a certain amount of water is reached, the float switch is triggered, the water pump pumps the water in the water storage tank 8 into the water collecting tank to form the recycling of water resources, germs are killed and eliminated through the ultraviolet sterilizing lamp 17 arranged in the water collecting tank, the purification efficiency is obviously improved, and the purification cost is reduced.
When the air purifier is installed, the air purifiers can be dispersed to each independent room, the air purifiers share one water collecting tank 16, on one hand, the occupied space for installing the air purifiers is effectively saved, on the other hand, the production and maintenance cost is saved, and when water quality is disinfected, the water purifier can be realized only by detecting and treating the water quality in the water collecting tank 16.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims (17)

1. An air purifier, comprising:
the reaction chamber (1) comprises at least one reaction cavity, and an air inlet (3) and an air outlet (4) of the reaction cavity are respectively arranged at two ends of the reaction cavity;
the spraying mechanism comprises a spray head (5), and the spray head (5) sprays water mist towards the inside of the reaction chamber (1);
the mounting assembly is arranged on the reaction chamber (1) and used for mounting the reaction chamber (1) on a hanging platform.
2. The air purifier of claim 1, wherein the mounting assembly comprises:
a connecting piece arranged on the reaction chamber (1);
and one end of the expansion piece is connected with the connecting piece, and the other end of the expansion piece is connected with the hanging platform.
3. The air cleaner according to claim 1, wherein the spray head (5) is an atomizing spray head (5), and the atomizing mechanism further comprises a high-pressure atomizing pump (9) connected to the spray head (5).
4. The air purifier according to claim 1, further comprising a water storage tank (8), the water storage tank (8) being in communication with the reaction chamber (1).
5. The air cleaner of claim 1, wherein the reaction chamber (1) is horizontally disposed on the hanging platform along a length direction thereof.
6. The air cleaner according to claim 1, wherein the reaction chamber is provided with at least two sets of the nozzles (5) spaced apart along a length direction thereof.
7. The air purifier as claimed in claim 6, wherein the spray nozzle (5) is arranged on a mist outlet pipe (10), the reaction chamber is provided with a jack matched with the shape of the mist outlet pipe (10), and the mist outlet pipe (10) is detachably connected with the reaction chamber.
8. The air purifier as claimed in claim 6, wherein the spray head (5) is detachably connected with the reaction chamber in a plug-in manner along a horizontal direction.
9. The air purifier of claim 1, further comprising:
the first fan (15) is arranged on the reaction chamber (1) and is communicated with the air inlet (3); and/or the presence of a gas in the gas,
and the second fan is arranged on the reaction chamber (1) and is communicated with the air outlet (4).
10. The air cleaner of any one of claims 1-9, wherein the number of the reaction chambers is at least two, and the two reaction chambers are in communication.
11. The air cleaner of claim 10, wherein the two reaction chambers communicate at ends of the same side.
12. The air purifier according to claim 1, further comprising a gas-liquid separator (13) disposed adjacent to the air outlet (4) of the reaction chamber and in communication with the reaction chamber.
13. The air purifier according to claim 12, wherein the gas-liquid separator (13) comprises a first gas-liquid separator (6) and/or a second gas-liquid separator (7);
the first gas-liquid separator (6) comprises: the gas guide device comprises at least two flow guide cavities and second arc-shaped baffles (12), wherein the flow guide cavities are surrounded by a plurality of first arc-shaped baffles (11) which are arranged in parallel, and the second arc-shaped baffles are arranged in the flow guide cavities to prevent gas from passing through the flow guide cavities; the flow guide cavity is communicated with the air outlet (4) of the reaction cavity; the second gas-liquid separator (7) includes: a water-blocking mass consisting of densely arranged wires.
14. An air purification system, comprising the air purifier of any one of claims 1-13, and further comprising a sump (16), a plurality of the air purifiers being connected in parallel with the sump (16).
15. An air purification system according to claim 14, wherein an ultraviolet germicidal lamp (17) is arranged in the water collection basin (16).
16. The air purification system according to claim 14, further comprising a water storage tank (8) mounted on and in communication with the reaction chamber (1); a water pump is arranged in the water storage tank (8), and the water pumps of the air purifiers are all connected with the water collecting tank (16).
17. The air purification system according to claim 16, wherein the water pumps of a plurality of the air purifiers are connected to the sump (16) by a float switch.
CN202021538881.XU 2020-07-29 2020-07-29 Air purifier and air purification system with same Active CN212362285U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021538881.XU CN212362285U (en) 2020-07-29 2020-07-29 Air purifier and air purification system with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021538881.XU CN212362285U (en) 2020-07-29 2020-07-29 Air purifier and air purification system with same

Publications (1)

Publication Number Publication Date
CN212362285U true CN212362285U (en) 2021-01-15

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CN202021538881.XU Active CN212362285U (en) 2020-07-29 2020-07-29 Air purifier and air purification system with same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111735155A (en) * 2020-07-29 2020-10-02 王新 Air purifier and air purification system with same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111735155A (en) * 2020-07-29 2020-10-02 王新 Air purifier and air purification system with same
CN111735155B (en) * 2020-07-29 2024-10-15 中投合创(北京)环保科技有限公司 Horizontal air purifier and air purification system with same

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Effective date of registration: 20220310

Address after: 102600 room 0220, floor 2, building 2, yard 12, Jinxing Road, Daxing District, Beijing

Patentee after: CIC hechuang (Beijing) Environmental Protection Technology Co.,Ltd.

Address before: 100089 B1C, unit 1, building 3, block 1, Century City, Yuanda Road, Haidian District, Beijing

Patentee before: Wang Xin

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