CN101210717A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
CN101210717A
CN101210717A CNA2007103071367A CN200710307136A CN101210717A CN 101210717 A CN101210717 A CN 101210717A CN A2007103071367 A CNA2007103071367 A CN A2007103071367A CN 200710307136 A CN200710307136 A CN 200710307136A CN 101210717 A CN101210717 A CN 101210717A
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CN
China
Prior art keywords
air
conditioning
front panel
controller
blade
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.)
Granted
Application number
CNA2007103071367A
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Chinese (zh)
Other versions
CN101210717B (en
Inventor
金相和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CN101210717A publication Critical patent/CN101210717A/en
Application granted granted Critical
Publication of CN101210717B publication Critical patent/CN101210717B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/40—Damper positions, e.g. open or closed

Abstract

The present invention provides an air conditioner, including main body. The main body is arranged with air inlet and air outlet, vane, blower, heat exchanger, air purification unit and front panel. The air conditioner includes: a vane drive device, providing force to drive the vane; a high pressure power supply, for supplying high voltage to electric dust filter; a sensor, for detecting whether the front panel is opened or closed or not; a controller, being connected electrically to the vane drive unit and the high pressure power supply as well as the sensor, and the controller is configured to control the operation of the air conditioner, wherein when the front panel is opened during the operation of the air conditioner, the controller controls the operation of one or more components to break down the operation.

Description

Air-conditioning
Technical field
The present invention relates to a kind of air-conditioning.
Background technology
Air-conditioning is regulated room air and is removed airborne pollutant by using compressor, condenser, expansion cell and evaporimeter to carry out kind of refrigeration cycle.Above-mentioned air-conditioning can be divided into separation type and haplotype.
The separation type air-conditioning comprises indoor unit and the outdoor unit that connects by refrigerant pipe.Indoor unit comprises cooling/heat release parts.Outdoor unit comprises heat release/cooling-part and compressor.The haplotype air-conditioning has cooling and heat release function in single main body, and uses the intended support structure to be installed in the opening that is formed on wall or the window.
Recent air-conditioning can use in all seasons, and is former because described air-conditioning can cool off and the heating clamber inner region by switching between kind of refrigeration cycle and heat cycles.In addition, this air-conditioning can be used as air cleaning unit.
At least one dust filter can be installed in the indoor unit, to purify the air of a room.Yet because dust filter uses high-tension electricity, therefore personnel may get an electric shock injured when the front panel of indoor unit is opened.
Summary of the invention
In embodiment, provide a kind of like this air-conditioning, described air-conditioning can make the indoor unit shut-down operation or can interrupt supplying to electric dust filter when opening in the operating process of front panel at air-conditioning of indoor unit electric power.
In one embodiment, air-conditioning comprises main body, and described main body has: air intlet and air outlet slit; Blade, described blade structure become optionally described air intlet of open and close and described air outlet slit; Air blast, it is arranged in the described main body with the suction room air; Heat exchanger, it is configured to carry out heat exchange with the room air that is sucked by described air blast; Air cleaning member, it has electric dust filter at least inhaled air is purified; And front panel, its front side that is coupled to described main body rotationally is with the protection internal part, and wherein, described air-conditioning comprises: blade driving unit, it is provided for driving the power of described blade; High voltage source, it is configured to described electric dust filter supply high-tension electricity; Sensor, it is configured to detect whether described front panel is opened or closure; And controller, it is electrically connected to described blade driving unit, described high voltage source and described sensor, and described controller is configured to control the operation of air-conditioning, wherein, when opening in the operating process of described front panel at described air-conditioning, described controller control described air-conditioning or described air-conditioning one or more parts operation and described operation is ended.
Therefore, when described front panel was opened, the operation of described air-conditioning or described blade was ended, and perhaps, to the high-tension electricity interruption of described electric dust filter supply, thereby prevented owing to touching the accident that electric dust filter or fan cause.Thereby, can use air-conditioning safely.
Details to one or more embodiments describes in the accompanying drawings and the description below.By described description, accompanying drawing and claims, other features will become apparent.
Description of drawings
Fig. 1 is the main parallax stereogram that illustrates according to the air-conditioning of embodiment.
Fig. 2 is the front view that illustrates according to the air-conditioning of embodiment.
Fig. 3 is the side cutaway view that illustrates according to the air-conditioning of embodiment.
Fig. 4 is the stereogram that illustrates according to embodiment air-conditioning when open the front side of air-conditioning.
Fig. 5 is the exploded perspective view that illustrates according to the air-conditioning of embodiment.
Fig. 6 is the schematic block diagram that illustrates according to the air handling system of embodiment.
The specific embodiment
Below will address the embodiment of the disclosure of invention in detail, the example of described embodiment is shown in the drawings.
Fig. 1 is the main parallax stereogram that illustrates according to the air-conditioning of embodiment, and Fig. 2 is then for illustrating the front view according to the air-conditioning of embodiment.
With reference to Fig. 1 and 2, the air-conditioning of present embodiment comprises main body 1.Main body 1 comprises and is used to aspirate and the air intlet 3 of discharged air and 4 and air outlet slit 5,6 and 7.
Main body 1 comprises air-conditioning unit 10 and front panel 20. Air intlet 3 and 4 and air outlet slit 5,6 and 7 be formed in the regulon 10.Front panel 20 is coupled to the front side of regulon 10 rotationally, with the front side of open and close regulon 10 completely or partially.
Regulon 10 forms the outside of air-conditioning, and holds the parts of air-conditioning.Regulon 10 comprises pedestal 30, rack 40 and top panel 50, lower panel 70 and 80.
In detail, pedestal 30 is coupled to the lower end and the rack 40 of front panel 20.One claw 32 is preceding side-prominent from pedestal 30.The claw 32 of pedestal 30 is filled the gap between front panel 20 and the installation ground (S).
Be provided with exhausting blade 51,52 and 53 at air outlet slit 5,6 and 7 places, with amount or the direction of control from air outlet slit 5,6 and 7 air of discharging.Sliding-vane motor (not shown) drives exhausting blade 51,52 and 53.
Lower panel 70 and 80 is installed in air intlet 3 and 4 places.That is, lower panel 70 and 80 is arranged on the lower-left side and the lower right side of top panel 50. Air inlet blade 71 and 81 is installed on lower panel 70 and 80, with open and close air intlet 3 and 4 optionally.Can use sliding-vane motor that air inlet blade 71 and 81 is rotated. Filter 72 and 82 is arranged on lower panel 70 and 80 places, to purify by air intlet 3 and 4 inhaled airs.
Display unit 27 is installed on the front side of front panel 20, to show such as information such as air-conditioning mode of operation and indoor air temperature and humidity.Display unit 27 can be fixed to the precalculated position of panel 20, perhaps can be vertically or horizontal direction movably be installed on the front panel 20.
Fig. 3 is the side cutaway view that illustrates according to the air-conditioning of embodiment, and Fig. 4 is then for illustrating the stereogram according to embodiment air-conditioning when open the front side of air-conditioning.Fig. 5 is then for illustrating the exploded perspective view according to the air-conditioning of embodiment.
With reference to Fig. 3,4 and 5, front panel 20 is as door, with the front side of open and close regulon 10 partially or completely.In detail, front panel 20 extends to the end face of top panel 50 from the end face of pedestal 30, and is coupled to the front side of regulon 10 rotationally.
Front panel 20 uses bar linkage structure to be connected to the front side of top panel 50.Bar linkage structure allows front panel 20 open and close swimmingly.
In detail, bar linkage structure can comprise sliding component 25.One end of sliding component 25 is connected to one of them of front panel 20 and top panel 50 slidably, and the other end of sliding component 25 then is hinged on in front panel 20 and the top panel 50 another.Hinge connecting portion 54 is formed on described on another in front panel 20 and the top panel 50, and the described other end of described sliding component 25 is coupled to hinge connecting portion 54 rotationally.Slide-and-guide portion 26 is formed on the described on one of them of front panel 20 and top panel 50, with guided slidable member 25.
Therefore, when opening or during closed front panel 20, an end of sliding component 25 can slide in slide-and-guide portion 26, the other end of sliding component 25 then rotates around hinge connecting portion 54 simultaneously.Owing to act on the frictional force between sliding component 25 and the slide-and-guide portion 26, front panel 20 can not burst open or be closed.
Moving member 28 can be arranged on the rear side place of front panel 20, to allow moving of display unit 27.
Remote control case 29 can be arranged on the rear side place of front panel 20, is used for controlling a long way off the remote control (R) of air-conditioning with placement.When front panel 20 was closed, remote control case 29 also was not exposed to the outside of main body 1.
Case attachment part 36 is formed on the pedestal 30.The dust bin 95 of cleaning unit 90 removably is coupled to case attachment part 36 by dust bin 95 is slipped into forward in the case attachment part 36.
Side is opened for logical in the top side of rack 40, bottom side and front side, and top panel 44 is arranged on the top side of rack 40.
Filter frame 73 is coupled to the inner surface of lower panel 70 and 80, with receiving filtration device 72 and 82.Cleaning unit 90 is arranged in the regulon 10.Cleaning unit 90 is used for cleaning and filtering 72 and 82.
In detail, cleaning unit 90 comprises cleaner external member 91, external member air blast 93, dust separator 94, dust bin 95 and external member control cabinet 96.Cleaner external member 91 can move along filter 72 and 82, with the dust of collect inherent filtration device 72 and 82.External member air blast 93 is connected to cleaner external member 91 by dust flexible pipe 92, to aspirate the dust that inherent filtration device 72 separates with 82.Dust and other impurity that dust bin 95 storages are separated by dust separator 94.The operation of external member control cabinet 96 control cleaning units 90.Dust separator 94 can use whirlwind method dust-separating in air.
Heat exchanger 100 and air blast 110 are arranged in the regulon 10.Heat exchanger 100 uses cold-producing medium that air is cooled off or heats.Air blast 110 produces air circulation power, makes room air can introduce regulon 10, and can discharge self-regulation unit 10 after over-heat-exchanger 100.
In detail, air blast 110 comprises: be installed in the blower motor 111 on the bottom of rack 40; Be connected to the blower fan 112 of blower motor 111; Blower-casting 115 around blower fan 112; And the orifice plate 116 that is arranged on the front side of blower-casting 115.
Say that in further detail opening 113 is formed on the front side of orifice plate 116 with suction air, and discharge orifice 114 is formed on the upside of blower-casting 115 with the discharging inhaled air.Orifice plate 116 is arranged on opening 113 places.
Air cleaning member 190 is installed on the front side of blower-casting 115.
Air cleaning member 190 can be constructed to be permeable to remove stage by stage pollutant in air.For this reason, air cleaning member 190 can comprise: the prefilter that is used for removing from air relatively large particle; Be used for removing efficiency particulate air (HEPA) filter of fine dust from air; Be used for taste removal and remove the nanofilter of mattress; Such as optional filters such as yellow dirt filter and taste removal filters; Comprise nonwoven sheets and mixer filter with a plurality of urethane films of different densities; And be used to make the dust ionization and to its plasma dust filter of collecting.
In the present embodiment, air cleaning member 190 comprises: the optional filter 191 that includes yellow dirt filter or taste removal filter; Can remove the HEPA filter 192 of fine dust; And can collect the electric dust filter 193 of dust by making the dust ionization.Air cleaning member 190 further comprises the support 194 that is used for optionally keeping filter 191,192 and 193.That is, filter 191,192 and 193 can be removably attached to support 194.
The rotatable body 194a that support 194 comprises fixed body 194b and is coupled to fixed body 194b rotationally.In detail, the lower hinge of rotatable body 194a is on the bottom of fixed body 194b.
Terminal (not shown) is arranged on the rotatable body 194a, and is connected to power supply terminal (not shown).
Terminal can be connected to terminal support (not shown), and terminal support can be removably attached to the bottom of rotatable body 194a by the clasp joint structure.
Drain pan 117 is arranged on the upside of blower-casting 115, to support the condensed water that heat exchanger 100 and reception come automatic heat-exchanger 100.
Inner cap 162 is set in place the forefoot area place in regulon 10, with the fan component that covers air cleaning member 190 and comprise blower-casting 115.In other words, owing to have inner cap 162, so even when front panel 20 is opened, outside air cleaning member 190 and fan component can not be exposed to yet.
Inner cap 162 can comprise that one holds recess 164, holds remote control case 29 when closed with plate in front 20.
Controller 170 can be arranged on the front upper side of blower-casting 115.The operation of controller 170 control air-conditionings.
Controller 170 is connected to external member control cabinet 96, blower motor 111 and display unit 27.
Fig. 6 is the schematic block diagram that illustrates according to the air handling system of embodiment.
With reference to Fig. 6, the air handling system of present embodiment comprises: controller 170; Be used under the control of controller 170, optionally driving air inlet blade 71 and 81 and the blade driving unit 173 of exhausting blade 51,52 and 53; Be used for high voltage source 179 to electric dust filter 193 supply high-tension electricities; Be used to detect whether front panel 20 is opened or closed sensor 172; And be used for and communication unit 171 that remote control (R) communicates.
In detail, high voltage source 179 is powered to electric dust filter 193 according to the control signal of coming self-controller 170 that is received.
Communication unit 171 can be an infrared communications set.Alternately, communication unit 171 can be the communication modem of operating with bluetooth or WLAN frequency band.
When front panel 20 was opened, sensor 172 was transferred to controller 170 with the signal of telecommunication.
Controller 170 can be electrically connected to mechanical switch, and described mechanical switch is constructed to be permeable to connect and cut off according to the open and close of front panel 20.In this case, because controller 170 can directly detect the state of front panel 20, therefore can not need sensor 172.
When opening in the operating process of front panel 20 at air-conditioning; controller 170 is shut down air-conditioning; and control signal is transferred to blade driving unit 173, rotating air inlet blade 71 and 81 and exhausting blade 51,52 and 53, thus closed air intlet 3 and 4 and air outlet slit 5,6 and 7.
Air-conditioning is owing to front panel 20 opens and hesitation.That is, because input is not shut down or the order that has a power failure, therefore when front panel 20 was closed once more, air-conditioning began operation with the pattern identical with employed pattern before the air-conditioning hesitation again.
When front panel 20 was opened, controller 170 only power can make the personnel's that may hurt of air-conditioning fan shut down, but not whole air-conditioning is shut down.
In addition, because the electronic unit of air-conditioning and miscellaneous part can be because shutdown suddenly or power failures and impaired, therefore when opening front panel 20 and continue to surpass the scheduled time (as 1 second), controller 170 ability are made response to opening of front panel 20.
In addition, when opening in the operating process of front panel 20 at air-conditioning, controller 170 interrupts the electric power to electric dust filter 193 supplies, but not makes the air-conditioning forced stoppage.
Electricity dust filter 193 receives high-tension electricities, and uses high-tension electricity and make such as substance ionizations such as dusts.Thereby it is abnormally dangerous directly to contact 193 pairs of human bodies of electric dust filter.
Therefore, when opening in the operating process of front panel 20 at air-conditioning, controller 170 can interrupt from the electric power of high voltage source 179 to electric dust filter 193 supplies.
Although when to the power breakdown of electric dust filter 193 supplies, do not carry out air cleaning, other operations of air-conditioning--such as heating, cooling and kind of refrigeration cycle---can normally carry out.
Alternately, when to the power breakdown of electric dust filter 193 supplies, can end other operations of air-conditioning.
As mentioned above, when opening in the operating process of front panel 20 at air-conditioning, air intlet 3 and 4 and air outlet slit 5,6 and 7 closures, and to the power breakdown of electric dust filter 193 supplies.Described these closures and interrupt operation can be carried out simultaneously or separately.
In present specification, quoting of " embodiment ", " embodiment ", " illustrative embodiments " etc. represented that all the special characteristic, structure or the characteristic that are described in conjunction with described embodiment are included at least one embodiment of the present invention.The different local appearance in application documents of these wording are not to establish a capital to refer to same embodiment.In addition, when describing special characteristic, structure or characteristic, think that all one of ordinary skill in the art can realize described feature, structure or characteristic in conjunction with other embodiments in conjunction with any embodiment.
Although described a plurality of embodiments are described with reference to some illustrated embodiment in a plurality of embodiments, but should be appreciated that the technical staff in described field can design a plurality of other remodeling and the embodiment in the spirit and scope that will fall into disclosure of invention principle.More particularly, can make various modification and remodeling to the parts and the device of the described composite set in the scope that falls into this specification, accompanying drawing and appended claims.Except parts and/or device being changed and revise, substituting purposes is apparent too concerning the technical staff in described field.

Claims (10)

1. air-conditioning, described air-conditioning comprises main body, described main body has: air intlet and air outlet slit; Blade, described blade structure become optionally described air intlet of open and close and described air outlet slit; Air blast, it is arranged in the described main body with the suction room air; Heat exchanger, it is configured to carry out heat exchange with the room air that is sucked by described air blast; Air cleaning member, it has electric dust filter at least inhaled air is purified; And front panel, its front side that is coupled to described main body with rotary way is characterized in that with the protection internal part described air-conditioning comprises:
Blade driving unit, it is provided for driving the power of described blade;
High voltage source, it is configured to described electric dust filter supply high-tension electricity;
Sensor, it is configured to detect whether described front panel is opened or closure; And
Controller, it is electrically connected to described blade driving unit, described high voltage source and described sensor, and described controller is configured to control the operation of described air-conditioning,
Wherein, when opening in the operating process of described front panel at described air-conditioning, described controller control described air-conditioning or described air-conditioning one or more parts operation and described operation is ended.
2. air-conditioning according to claim 1, wherein, when described sensor transfers signals to described controller when reporting that described front panel is opened, thus described blade driving unit operation and rotate closed described air intlet of described blade and described air outlet slit.
3. air-conditioning according to claim 2, wherein, when described blade rotation during with described air intlet of closure and described air outlet slit, the operation of described heat exchanger and described air blast is ended.
4. air-conditioning according to claim 3, wherein, when described opened front panel is closed, suspended operation recovery of described air-conditioning.
5. air-conditioning according to claim 2, wherein, when described sensor transfers signals to described controller when reporting that described front panel is opened, described controller interrupts the electric power to described electric dust filter supply.
6. air-conditioning according to claim 5, wherein, the described electric power of carrying out or optionally carrying out closed described air intlet and described air outlet slit simultaneously and interrupt supplying to described electric dust filter.
7. air-conditioning according to claim 5, wherein, when to the power breakdown of described electric dust filter supply, the operation of described air-conditioning is ended or is continued.
8. air-conditioning according to claim 1, it further comprises:
Remote control, it is configured to operation signal is transferred to described controller; And
Communicator, it can make signal transmit between described remote control and described controller.
9. air-conditioning according to claim 1, wherein, when described front panel is opened above predetermined amount of time, described controller control described air-conditioning or described air-conditioning one or more parts operation and described operation is ended.
10. air-conditioning according to claim 1, wherein, described sensor comprise be configured to according to the open and close of described front panel and connect and dissengaged positions between the mechanical switch that switches, described mechanical switch is directly electrically connected to described controller.
CN2007103071367A 2006-12-28 2007-12-27 Air conditioner Expired - Fee Related CN101210717B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2006-0136585 2006-12-28
KR1020060136585 2006-12-28
KR1020060136585A KR20080061636A (en) 2006-12-28 2006-12-28 Air conditioner

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CN101210717A true CN101210717A (en) 2008-07-02
CN101210717B CN101210717B (en) 2010-07-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103235901A (en) * 2013-05-07 2013-08-07 黑龙江中医药大学 Method for determining phase transition boundary of microemulsion drug carrier of tanshinone IIA
CN104075380A (en) * 2014-06-26 2014-10-01 美的集团武汉制冷设备有限公司 Air-conditioner
CN106902985A (en) * 2015-10-30 2017-06-30 Lg电子株式会社 Air purifying device
US10357734B2 (en) 2015-10-30 2019-07-23 Lg Electronics Inc. Air freshener
CN115200138A (en) * 2015-10-30 2022-10-18 Lg电子株式会社 Air purifying device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170089593A1 (en) * 2015-09-30 2017-03-30 Samsung Electronics Co., Ltd. Air conditioner
CN113154535A (en) * 2020-01-07 2021-07-23 青岛海尔空调器有限总公司 Indoor machine of air conditioner

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
JP4110375B2 (en) * 2002-06-27 2008-07-02 株式会社富士通ゼネラル Air conditioner

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103235901A (en) * 2013-05-07 2013-08-07 黑龙江中医药大学 Method for determining phase transition boundary of microemulsion drug carrier of tanshinone IIA
CN103235901B (en) * 2013-05-07 2014-12-10 黑龙江中医药大学 Method for determining phase transition boundary of microemulsion drug carrier of tanshinone IIA
CN104075380A (en) * 2014-06-26 2014-10-01 美的集团武汉制冷设备有限公司 Air-conditioner
CN106247444A (en) * 2014-06-26 2016-12-21 美的集团武汉制冷设备有限公司 Air-conditioner
CN106247444B (en) * 2014-06-26 2019-08-30 美的集团武汉制冷设备有限公司 Air conditioner
CN106902985A (en) * 2015-10-30 2017-06-30 Lg电子株式会社 Air purifying device
CN106902985B (en) * 2015-10-30 2019-04-09 Lg电子株式会社 Air purifying device
US10357734B2 (en) 2015-10-30 2019-07-23 Lg Electronics Inc. Air freshener
CN115200138A (en) * 2015-10-30 2022-10-18 Lg电子株式会社 Air purifying device

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Publication number Publication date
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KR20080061636A (en) 2008-07-03

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