CN111351155A - Elevator air purifier with purifying and disinfecting functions - Google Patents
Elevator air purifier with purifying and disinfecting functions Download PDFInfo
- Publication number
- CN111351155A CN111351155A CN202010162301.XA CN202010162301A CN111351155A CN 111351155 A CN111351155 A CN 111351155A CN 202010162301 A CN202010162301 A CN 202010162301A CN 111351155 A CN111351155 A CN 111351155A
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- CN
- China
- Prior art keywords
- air
- elevator
- negative ion
- air outlet
- strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
- B66B11/024—Ventilation systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
-
- 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
Abstract
The invention relates to the field of elevators, in particular to an elevator air purifier with purification and disinfection functions, which comprises an elevator control system, wherein the elevator control system is in control connection with an elevator fan, the air inlet end of the elevator fan is connected with an elevator shaft through an air inlet pipeline, the air outlet end of the elevator fan is connected with an elevator car through an air outlet pipeline, the elevator control system is in control connection with a negative ion generator, and the negative ion generating end of the negative ion generator is positioned in the air outlet pipeline; an air filtering module is arranged in the air inlet pipeline. Firstly, this patent has increased the filtration module in the wind intake stack, can filter the air that gets into in the car, has increased anion generator in the air-out pipeline, can produce the anion, further clean, air-purifying.
Description
Technical Field
The invention relates to the field of electric appliances, in particular to an elevator.
Background
With the increasing requirements of the public on environment and health, the public has higher concerns and requirements on places where the people come in and go out and equipment used by the people. Along with the increasing popularization of elevators, the times of using the elevators by people are increased, and the quality of air in the elevator cars is also more critical, but in fact, the quality of the air of the elevator cars is really worried, the main sources of the air of the elevator cars are elevator shafts and elevator waiting halls in buildings, the elevator shafts are similar to a basically closed space and are dark all year round, and a large amount of dust and mold, even insect or other dead bodies of small animals exist in the air of the elevator shafts. Basically, all elevators adopt elevator fans, the main function of which is to blow air, and the inlet of each fan is an elevator shaft, so that the elevator car has the risk of influencing the physical health of a user.
Particularly, after 12 months in 2019 that the novel pneumonia epidemic situation is outbreak, the air purification and the disinfection in the elevator car are not slow.
Disclosure of Invention
The invention aims to provide an elevator air purifier with purification and disinfection functions, so as to solve the technical problems.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
the elevator air purifier with the purification and disinfection functions comprises an elevator control system, wherein the elevator control system is in control connection with an elevator fan, an air inlet end of the elevator fan is connected with an elevator shaft through an air inlet pipeline, and an air outlet end of the elevator fan is connected with an elevator car through an air outlet pipeline;
an air filtering module is arranged in the air inlet pipeline.
Firstly, this patent has increased the filtration module in the wind intake stack, can filter the air that gets into in the car, has increased anion generator in the air-out pipeline, can produce the anion, further clean, air-purifying. Secondly, the elevator fan is improved on the basis of the existing elevator fan, and on one hand, a purification and disinfection channel is not required to be additionally arranged, so that the structural strength and the sealing performance of the car are guaranteed, and meanwhile, the elevator fan is convenient to install; on the other hand, the elevator fan can be directly utilized to drive the airflow to flow, and a device for driving the airflow to flow is not required to be additionally arranged, so that the cost is reduced.
As a preferable scheme, the elevator control system can further comprise an ultraviolet germicidal lamp, a lamp tube of the ultraviolet germicidal lamp is fixed in the air inlet pipeline or the air outlet pipeline, and the ultraviolet germicidal lamp is connected with the elevator control system. The ultraviolet germicidal lamp is used for carrying out radiation damage and nucleic acid destruction on pathogens such as bacteria, viruses, spores and the like in the air duct, so that the effect of sterilization and disinfection is achieved.
Preferably, the air filter module may comprise or only comprise two layers of air filter screens. Preferably, the aperture of the air filter screen located at the rear end in the air flow direction is smaller than the aperture of the air filter screen located at the front end in the air flow direction. So as to realize progressive filtration.
Drawings
FIG. 1 is a block circuit diagram of the present invention;
FIG. 2 is a schematic diagram of a portion of one configuration of the present invention;
FIG. 3 is a schematic partial structure view of another structure of the present invention;
fig. 4 is a partial structural schematic view of another structure of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific drawings.
Referring to fig. 1, 2, 3 and 4, the air purifier for an elevator having purification and sterilization functions includes an elevator control system, an elevator fan 3, an air filtering module, an anion generator, etc. Elevator control system control connection elevator fan 3, elevator well is connected through the air inlet pipeline to elevator fan 3's air inlet end, and elevator car is connected through air-out pipeline to elevator fan 3's air-out end, is equipped with the filtration module in the air inlet pipeline, is equipped with anion generator in the air-out pipeline, and anion generator connects elevator control system. Firstly, this patent has increased the filtration module in the wind intake stack, can filter the air that gets into in the car, has increased anion generator in the air-out pipeline, can produce the anion, further clean, air-purifying. Secondly, the elevator fan is improved on the basis of the existing elevator fan 3, on one hand, a purification and disinfection channel is not needed, the structural strength and the sealing performance of the car are guaranteed, and meanwhile, the installation is convenient; on the other hand, the elevator fan 3 can be directly utilized to drive the airflow to flow, and a device for driving the airflow to flow is not required to be additionally arranged, so that the cost is reduced.
The elevator air purifier with the purification and disinfection functions can further comprise an ultraviolet sterilizing lamp, a lamp tube of the ultraviolet sterilizing lamp is fixed in the air inlet pipeline or the air outlet pipeline, and the ultraviolet sterilizing lamp is connected with an elevator control system. The ultraviolet germicidal lamp is used for carrying out radiation damage and nucleic acid destruction on pathogens such as bacteria, viruses, spores and the like in the air duct, so that the effect of sterilization and disinfection is achieved.
Detailed description of the preferred embodiment 1
The air filter module comprises at least two layers of filter screens 1 for air filtration. Preferably, the pore diameter of the air filter screen 1 located at the rear end in the air flow direction is smaller than the pore diameter of the air filter screen 1 located at the front end in the air flow direction. So as to realize progressive filtration.
The middle part of each filter screen 1 for air filtration is provided with a through hole, and the lamp tube of the ultraviolet sterilizing lamp passes through each hole. A lamp tube 2 of an ultraviolet germicidal lamp is erected by using a filter screen 1 for air filtration. The structure is beneficial to ensuring the radiation area of the ultraviolet germicidal lamp. The elastic gasket is arranged at the position of the opening and is clamped by the opening and the lamp tube 2. In order to utilize the elastic washer to fix ultraviolet germicidal lamp stable on filter screen 1 for filtration, prevent to rock between two, further prevent because of the elevator operation, rock the ultraviolet germicidal lamp that leads to and drop. The two ends of the lamp tube 2 can be respectively sleeved with an end cap, and the outer diameter of each end cap is larger than the inner diameter of the corresponding opening, so that the positions of the ultraviolet sterilizing lamps can be limited by the two end caps. The end caps are preferably hemispherical light transmissive end caps. The hemispherical light-transmitting end cap can fix the ultraviolet germicidal lamp and improve the light path direction of the end part of the ultraviolet germicidal lamp, thereby improving the germicidal effect.
In order to facilitate the maintenance and replacement of the air filtering module, as an optimal scheme, the air inlet pipeline is composed of two sub-air channels, namely a first sub-air channel and a second sub-air channel, the air filtering module and the ultraviolet germicidal lamp are fixed in the first sub-air channel, the first sub-air channel is detachably connected with the second sub-air channel, and the second sub-air channel is fixedly connected with the air inlet end of the elevator fan 3. As another preferred scheme, the air filtering module and the ultraviolet sterilization are positioned in an independent shell, and the independent shell is detachably connected with the air inlet pipeline. Preferably, the port of the independent shell positioned at the outer side is provided with a flanging which abuts against the end wall of the air inlet pipeline. The detachable connection can be in a connection mode of screw thread screwing, buckle fastening, plug connector inserting, flange connection, screw connection and the like. The outer wall of one of the detachable connection optimization is provided with a ﹃ -shaped groove which is composed of a long groove and a short groove which are perpendicular to each other, the length direction of the long groove is parallel to the central axis of the air inlet channel, the outer wall of the other one is provided with a strip-shaped protrusion, and the length of the strip-shaped protrusion is not more than the width of the short groove. When the air inlet channel is used, the strip-shaped protrusion is transferred along the direction of the air inlet channel, so that the strip-shaped protrusion moves along the long groove, when the strip-shaped protrusion reaches the short groove, the first sub-channel or the independent shell is screwed, so that the strip-shaped protrusion enters the short groove, and the two parts are clamped together.
When the structure is adopted, two ends of the first sub-air duct or the independent shell are respectively provided with a protective filter screen, and the lamp tube 2 of the ultraviolet sterilizing lamp and the filter screen 1 for air filtration are both positioned between the two protective filter screens. So as to prevent hands and the like from touching the ultraviolet germicidal lamp or the filter screen 1 for air filtration and avoid the air filtration module or the ultraviolet germicidal lamp from being polluted.
Specific example 2
The negative ion generating end comprises a negative ion releasing beam fixing device 4 and a plurality of negative ion releasing beams 5, the negative ion releasing beam fixing device 4 is annular, the negative ion releasing beams 5 are distributed in the radial direction of the negative ion releasing beam fixing device 4 at equal intervals, and one end of each negative ion releasing beam 5 positioned on the outer side is inserted into and fixed on the negative ion releasing beam fixing device 4. This patent has optimized anion release and has restrainted fixing device structure, has optimized arranging of anion release and restrainted simultaneously, has advantages such as simple to operate, efficient.
Preferably, anion release is restrainted and is equipped with the bar arch on the fixing device, is equipped with the recess that is "﹃" form on the inside wall of air-out passageway, comprises mutually perpendicular's long recess and short recess, and the length direction of long recess is on a parallel with inlet air channel's the central axis, and the bellied length of bar is not more than the width of short recess. The groove in the shape of '﹃' is preferably located at the air outlet end of the air outlet channel, and the length of the long groove plus the width of the short groove is preferably not greater than the width of the negative ion release beam fixing device. When the negative ion releasing beam fixing device is used, the negative ion releasing beam fixing device is screwed when the strip-shaped protrusion moves along the long groove and reaches the short groove, so that the strip-shaped protrusion enters the short groove, and the two parts are clamped together.
Specific example 3
The lateral wall of the air outlet channel is provided with two strip-shaped gaps which are internally and externally penetrated, namely a first strip-shaped gap and a second strip-shaped gap, and the second strip-shaped gap is closer to the air outlet of the air outlet channel than the first strip-shaped gap.
The ultraviolet germicidal lamp comprises a lamp tube 2 and a lamp holder, wherein the lamp holder is abutted to the first strip-shaped notch, and the lamp tube 2 extends into the air outlet channel through the first strip-shaped notch. The negative ion generating end comprises a negative ion release beam fixing device and a plurality of negative ion release beams, the negative ion release beams are fixed on the negative ion release beam fixing device, the negative ion release beam fixing device is abutted to the second strip-shaped notch, and the negative ion release beams extend into the air outlet channel through the second strip-shaped notch. The lamp holder and the negative ion release beam fixing device can be provided with bolt holes, holes are formed in the positions, corresponding to the bolt holes, of the air outlet pipeline, and the lamp holder and the negative ion release beam fixing device are fixed through bolts. Or the bolt holes are not needed, and the adhesive tape can be directly stuck. The negative ion release beam fixing device can be integrally formed with the air outlet channel, a hole is formed in the negative ion release beam fixing device in the forming process or after the forming process, and the negative ion release beam penetrates through the hole to reach the inside of the air outlet channel after the forming process. The position of fluorescent tube 2 and anion release beam has been optimized to this scheme, with fluorescent tube 2 built-in to utilize anion release beam to shelter from the ultraviolet ray, thereby reducible ultraviolet ray that gets into in the elevator car, and then reduce the probability that the human body in the car was shone to the ultraviolet ray.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The elevator air purifier with the purification and disinfection functions comprises an elevator control system, wherein the elevator control system is in control connection with an elevator fan, an air inlet end of the elevator fan is connected with an elevator shaft through an air inlet pipeline, and an air outlet end of the elevator fan is connected with an elevator car through an air outlet pipeline;
an air filtering module is arranged in the air inlet pipeline.
2. The air purifier with purification and disinfection functions as recited in claim 1, further comprising an ultraviolet germicidal lamp, a lamp of said ultraviolet germicidal lamp being fixed in said intake duct or said exhaust duct, said ultraviolet germicidal lamp being connected to said elevator control system.
3. The air cleaner with purification and disinfection functions as claimed in claim 2, wherein the air filter module comprises or only comprises two layers of air filter screens.
4. The air cleaner for an elevator having a purifying and sterilizing function as claimed in claim 3, wherein the aperture of the air-filtering screen located at the rear end in the air flow direction is smaller than the aperture of the air-filtering screen located at the front end in the air flow direction.
5. The air purifier for elevator with purifying and sterilizing function as claimed in claim 3, wherein the middle part of each air filtering screen is provided with a through hole, and the lamp tube of said ultraviolet sterilizing lamp passes through each hole.
6. The air purifier for elevator with purifying and sterilizing function as claimed in claim 5, wherein an elastic washer is provided at said opening hole, and said elastic washer is clamped by said opening hole and said lamp tube.
7. The air cleaner for elevator with purifying and sterilizing function as claimed in claim 5, wherein an end cap is sleeved on each end of said lamp tube, and the outer diameter of said end cap is larger than the inner diameter of said opening.
8. The air purifier for elevator with purifying and sterilizing function according to any one of claims 1-7, wherein said anion generating end comprises anion releasing beam fixing means and a plurality of anion releasing beams, said anion releasing beam fixing means is ring-shaped, each anion releasing beam is arranged in radial direction of said anion releasing beam fixing means at equal interval, and one end of each anion releasing beam located at outer side is inserted and fixed on said anion releasing beam fixing means.
9. The air purifier with purifying and sterilizing functions as recited in claim 8, wherein the fixing device for the negative ion releasing beam is provided with a bar-shaped protrusion, the inner side wall of the air outlet channel is provided with a groove in the shape of "﹃", the groove is composed of a long groove and a short groove which are perpendicular to each other, the length direction of the long groove is parallel to the central axis of the air inlet channel, and the length of the bar-shaped protrusion is not greater than the width of the short groove. The '﹃' shaped groove is preferably located at the air outlet end of the air outlet channel, and the sum of the length of the long groove and the width of the short groove is not more than the width of the negative ion release beam fixing device.
10. The air purifier for the elevator with the functions of purification and disinfection as claimed in any one of claims 1-7, wherein the sidewall of the air outlet channel is provided with two strip-shaped gaps which are internally and externally penetrated, and the two strip-shaped gaps are respectively a first strip-shaped gap and a second strip-shaped gap, and the second strip-shaped gap is closer to the air outlet of the air outlet channel than the first strip-shaped gap;
the ultraviolet germicidal lamp comprises a lamp tube and a lamp holder, the lamp holder is abutted against the first strip-shaped notch, and the lamp tube extends into the air outlet channel through the first strip-shaped notch;
the negative ion generating end comprises a negative ion release beam fixing device and a plurality of negative ion release beams, the negative ion release beams are fixed on the negative ion release beam fixing device, the negative ion release beam fixing device supports the second bar-shaped notch, and the negative ion release beams extend into the air outlet channel through the second bar-shaped notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162301.XA CN111351155A (en) | 2020-03-10 | 2020-03-10 | Elevator air purifier with purifying and disinfecting functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162301.XA CN111351155A (en) | 2020-03-10 | 2020-03-10 | Elevator air purifier with purifying and disinfecting functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111351155A true CN111351155A (en) | 2020-06-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010162301.XA Pending CN111351155A (en) | 2020-03-10 | 2020-03-10 | Elevator air purifier with purifying and disinfecting functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111351155A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319805A (en) * | 2008-07-15 | 2008-12-10 | 徐扬 | Nanometer plasma purifier |
| CN105150808A (en) * | 2015-08-19 | 2015-12-16 | 上海堀口实业有限公司 | Built-in type vehicle negative ion air purification device |
| CN206176647U (en) * | 2016-10-08 | 2017-05-17 | 南京雄起电梯有限公司 | Elevator exhaust system |
| CN106669306A (en) * | 2016-12-01 | 2017-05-17 | 韩硕 | Air purifying device |
| CN206266049U (en) * | 2016-09-05 | 2017-06-20 | 西继迅达（许昌）电梯有限公司 | A kind of lift car with air cleaning unit |
| KR101868409B1 (en) * | 2017-11-14 | 2018-06-20 | 주식회사 송산특수엘리베이터 | Elevator Car for Emergency Elevator |
-
2020
- 2020-03-10 CN CN202010162301.XA patent/CN111351155A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319805A (en) * | 2008-07-15 | 2008-12-10 | 徐扬 | Nanometer plasma purifier |
| CN105150808A (en) * | 2015-08-19 | 2015-12-16 | 上海堀口实业有限公司 | Built-in type vehicle negative ion air purification device |
| CN206266049U (en) * | 2016-09-05 | 2017-06-20 | 西继迅达（许昌）电梯有限公司 | A kind of lift car with air cleaning unit |
| CN206176647U (en) * | 2016-10-08 | 2017-05-17 | 南京雄起电梯有限公司 | Elevator exhaust system |
| CN106669306A (en) * | 2016-12-01 | 2017-05-17 | 韩硕 | Air purifying device |
| KR101868409B1 (en) * | 2017-11-14 | 2018-06-20 | 주식회사 송산특수엘리베이터 | Elevator Car for Emergency Elevator |
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Application publication date: 20200630 |