CN110925900B - Energy-saving device of central air conditioner - Google Patents
Energy-saving device of central air conditioner Download PDFInfo
- Publication number
- CN110925900B CN110925900B CN201911189974.8A CN201911189974A CN110925900B CN 110925900 B CN110925900 B CN 110925900B CN 201911189974 A CN201911189974 A CN 201911189974A CN 110925900 B CN110925900 B CN 110925900B
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- cavity
- pipe
- outer side
- connecting rod
- condensing
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such 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
- F24F13/02—Ducting arrangements
- F24F13/0254—Ducting arrangements characterised by their mounting means, e.g. supports
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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
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
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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
- F24F13/20—Casings or covers
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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
- F24F13/30—Arrangement or mounting of heat-exchangers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention relates to the field of energy conservation, in particular to a central air-conditioning energy-saving device which comprises a condensation box, wherein air guide pipes are arranged at four corners of the condensation box, a connecting cavity is arranged in the condensation box, dustproof vent holes are arranged on the upper side wall and the lower side wall of the condensation box, a first connecting cover is arranged at the inner side of the dustproof vent holes, a second connecting cover is arranged in the first connecting cover, a condensation cavity is arranged between the second connecting covers, ventilating pipes are arranged at two sides of the condensation cavity, a rotating shaft is arranged in the air inlet pipe, a cross-shaped connecting head is arranged at the outer side of the rotating shaft, the cross-shaped connecting head is inserted into the cross-shaped connecting seat, the cross-shaped connecting seat is arranged at the bottom of a connecting plate, a fixing plate is arranged at the lower side of the connecting plate, vent holes are arranged at the left end and the right end of the fixing plate, the outer side of the connecting plate is connected with a second connecting rod through a bearing seat, and an air cylinder is connected at the outer side of the second connecting rod. Thus, the use of the equipment is convenient, and the energy-saving effect is realized.
Description
Technical Field
The invention relates to the field of energy conservation, in particular to an energy-saving device of a central air conditioner.
Background
The central air conditioner is a large-scale air conditioning system, which comprises a main machine and a tail end, wherein the main machine is divided into a water cooling unit and an air cooling unit, the tail end equipment mainly comprises an air conditioning unit and a fan coil, and the central air conditioner is also a Freon VRV air conditioning unit serving as a refrigerant. It is different from the common household air conditioner, and the central air conditioner can be used by large-scale buildings. The central air conditioner generally controls the temperature in a plurality of independent rooms through a cold source, and only one cold source is provided, so the temperature of cold air exhausted to each room through a main air pipe is constant, and because each pipeline is the same, the room size is different, so that the refrigeration efficiency of the cold source needs to be adjusted repeatedly, and energy waste is caused.
Disclosure of Invention
The invention aims to provide an energy-saving device of a central air conditioner, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a central air-conditioning energy-saving device comprises a condenser box, wherein air guide pipes are arranged at four corners of the condenser box, mounting mechanisms are arranged at four corners of the upper side wall and the lower side wall of the condenser box, each mounting mechanism comprises a mounting plate, a mounting hole, a connecting pipe, a fastening knob, a third connecting rod, a second spring and a limiting block, the mounting plates are arranged at the outer ends of the mounting mechanisms, the mounting holes are arranged at the four corners of the mounting plates, the connecting pipes are arranged inside the mounting plates, the upper ends of the connecting pipes are connected with the third connecting pipes through the fastening knobs, the fastening knobs are arranged on the inner sides of the upper ends of the connecting plates, the third connecting pipes are inserted into the upper side wall and the lower side wall of the condenser box, the limiting blocks are arranged on the third connecting rods inside the condenser box, the second springs are arranged on the third connecting rods outside the condenser box, a connecting cavity is arranged at the middle end inside the condenser box, and dustproof ventilation openings are arranged on the upper side wall and the lower side wall of the condenser box which are arranged inside the connecting cavity, a first connecting cover is arranged at the inner side of the dustproof ventilation opening, a second connecting cover is arranged in the first connecting cover, a condensation cavity is arranged between the second connecting covers, a condensation pipe is arranged in the condensation cavity, the left side and the right side of the condensation cavity are provided with ventilation pipes, the ventilation openings at the four corners outside the ventilation pipes are all correspondingly arranged at the inner sides of the exhaust hoods at the inner sides of the air guide pipes, the air inlets of the ventilation pipes are provided with fans, the inside of the air inlet pipes is provided with rotating shafts through fixed blocks, the outer sides of the rotating shafts are provided with cross connectors, the cross connectors are inserted into the cross connecting seats, the cross connecting seats are arranged at the bottom of the connecting plates, the lower sides of the connecting plates are provided with fixed plates, the left end and the right end of each fixed plate are provided with ventilation openings, the fixed plates and the connecting plates are arranged in the connecting cavities, the outer side of the connecting plate is connected with a second connecting rod through a bearing seat, the outer side of the second connecting rod is connected with a cylinder, and the cylinder is installed on the outer side of the ventilation pipe.
As a preferred embodiment of the invention, a first bevel gear is arranged in the middle of the rotating shaft, a second bevel gear is arranged at the lower end of the outer side of the first bevel gear, and the outer side of the second bevel gear is connected with the inner wall of the condensing box through a connecting shaft and can drive the rotating shaft to rotate.
As a preferred embodiment of the present invention, the connecting shaft is connected to a synchronous motor through a belt, and the synchronous motor is installed on an inner sidewall of the condensation tank to drive the connecting shaft.
As a preferred embodiment of the invention, the left end and the right end of the outer side of the connecting plate are provided with the extrusion plates, the outer side of each extrusion plate is provided with the first connecting rod, the outer side of each first connecting rod is provided with the limiting block, and the limiting blocks are arranged on the outer sides of the connecting cavities.
As a preferred embodiment of the invention, the first spring is arranged on the first connecting rod between the limiting block and the connecting cavity, so that the connecting plate can be effectively extruded, and the connecting plate can be ensured to block the ventilation opening.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the first connecting cover and the second connecting cover are arranged, so that the air inlet channel can form a siphon effect, thus facilitating the ventilation of equipment and the ventilation of a central air conditioner; the condensing pipe in the condensing cavity can effectively condense the air, so that the use of equipment is facilitated; rotate through synchronous machine drive connecting axle, the second bevel gear of installation drives first bevel gear and rotates on the connecting axle, first bevel gear drives the pivot and rotates, thereby drive the connecting plate and rotate, the vent on the inboard fixed plate of connecting plate ventilates and handles, thereby can realize carrying out the air feed simultaneously to four vents, conveniently carry out the even ventilation to the air duct like this, thereby make things convenient for the use of equipment, the electric energy can be practiced thrift effectively, through cylinder drive connection ann outside removal, the vent can ventilate alone and handle like this, thereby conveniently ventilate single solitary air duct, thereby make things convenient for the use of equipment, the electric energy has been practiced thrift.
Drawings
Fig. 1 is a schematic structural diagram of an energy-saving device of a central air conditioner according to the present invention.
Fig. 2 is an enlarged schematic structural diagram of a connection cavity at a position a in the central air-conditioning energy-saving device of the present invention.
Fig. 3 is a schematic three-dimensional structure diagram of a ventilation pipe in the central air-conditioning energy-saving device of the invention.
Fig. 4 is a schematic structural diagram of a connecting plate and a fixing plate in an energy-saving device of a central air conditioner according to the present invention.
Fig. 5 is a schematic structural diagram of an installation structure in an energy-saving device of a central air conditioner according to the present invention.
1-condensation box, 2-air duct, 3-mounting structure, 4-connecting cavity, 5-dustproof ventilation opening, 6-first connecting cover, 7-second connecting cover, 8-condensation cavity, 9-condensation pipe, 10-ventilation pipe, 11-fan, 12-rotating shaft, 13-first bevel gear, 14-second bevel gear, 15-connecting shaft, 16-synchronous motor, 17-cross connector, 18-cross connecting seat, 19-connecting plate, 20-fixing plate, 21-ventilation opening, 22-connecting cavity, 23-extrusion plate, 24-first connecting rod, 25-first spring, 26-fixing block, 27-bearing seat, 28-second connecting rod, 29-air cylinder, 31-mounting plate, etc, 32-mounting hole, 33-connecting pipe, 34-fastening knob, 35-third connecting rod, 36-second spring and 37-limiting block.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
Referring to fig. 1 to 5, in the embodiment of the present invention, an energy saving device for a central air conditioner includes a condensation box 1, air ducts 2 are installed at four corners of the condensation box 1, installation mechanisms 3 are installed at four corners of upper and lower sidewalls of the condensation box 1, each installation mechanism 3 includes an installation plate 31, an installation hole 32, a connection pipe 33, a fastening knob 34, a third connection rod 35, a second spring 36 and a limit block 37, the installation plate 31 is installed at an outer end of the installation mechanism 3, the installation holes 32 are installed at four corners of the installation plate 31, the connection pipe 33 is installed inside the installation plate 31, an upper end of the connection pipe 33 is connected to the third connection pipe 35 through the fastening knob 34, the fastening knob 34 is installed inside an upper end of the connection plate 33, the third connection pipe 35 is inserted into the upper and lower sidewalls of the condensation box 1, the limit block 37 is installed on the third connection rod 35 inside the condensation box 1, the second spring 36 is installed on the third connection rod 35 outside the condensation box 1, the direction of the mounting plate 31 can be adjusted by manually adjusting the fastening knob 34, so that the installation and treatment of the equipment are facilitated, the condenser box 1 is convenient to install, the second spring 36 can effectively absorb shock of the installed condenser box 1, so that the vibration of the equipment is reduced, the use of the equipment is facilitated, the connecting cavity 4 is arranged at the middle end in the condenser box 1, the dustproof vents 5 are arranged on the upper side wall and the lower side wall of the condenser box 1 at the inner side of the connecting cavity 4, the cleanness of the introduced air can be ensured, the dustproof treatment is performed, the first connecting cover 6 is arranged at the inner side of the dustproof vent 5, the second connecting cover 7 is arranged in the first connecting cover 6, the condensing cavity 8 is arranged between the second connecting covers 7, the air inlet channel can form a siphon effect by arranging the first connecting cover 6 and the second connecting cover 7, so that the ventilation of the equipment is facilitated, convenient like this ventilates central air conditioning, and 8 internally mounted in condensation chamber have condenser pipe 9, through the setting of the condenser pipe 9 of 8 inside in condensation chamber, can carry out condensation treatment to the air effectively, make things convenient for the use of equipment.
The left side and the right side of the condensation cavity 8 are provided with ventilation pipes 10, the ventilation openings at four corners outside the ventilation pipes 10 are all correspondingly arranged at the inner sides of exhaust hoods at the inner sides of the air guide pipes 2, so that the ventilation of the four air guide pipes 2 can be conveniently carried out, a fan 11 is arranged at the air inlet of the ventilation pipes 10, so that the ventilation of equipment is facilitated, a rotating shaft 12 is arranged inside the air inlet pipe 10 through a fixed block, a first bevel gear 13 is arranged in the middle of the rotating shaft 12, a second bevel gear 14 is arranged at the lower end of the outer side of the first bevel gear 13, the outer side of the second bevel gear 14 is connected with the inner wall of the condensation box 1 through a connecting shaft 15, the connecting shaft 15 is connected with a synchronous motor 16 through a belt, the synchronous motor 16 is arranged on the inner side wall of the condensation box 1, a cross-shaped connector 17 is arranged outside the rotating shaft 12, the cross-shaped connector 17 is inserted into a cross-shaped connecting seat 18, and the cross-shaped connecting seat 18 is arranged at the bottom of a connecting plate 19, fixed plate 20 is installed to connecting plate 19 downside, both ends are provided with vent 21 about fixed plate 20, fixed plate 20 and connecting plate 19 are installed inside connecting chamber 22, it is rotatory to drive connecting axle 15 through synchronous machine 16, second bevel gear 14 of installation drives first bevel gear 13 on the connecting axle 15 and rotates, first bevel gear 13 drives pivot 12 and rotates, thereby drive connecting plate 19 and rotate, vent 21 on the fixed plate 20 of connecting plate 19 inboard ventilates and handles, thereby can realize carrying out the air feed simultaneously to four vents, it is convenient like this to carry out even ventilation to air duct 2, thereby facilitate the use of equipment, the electric energy can be practiced thrift effectively.
The left end and the right end of the outer side of the connecting plate 19 are provided with squeezing plates 23, the outer side of the squeezing plates 23 is provided with a first connecting rod 24, the outer side of the first connecting rod 24 is provided with a limiting block 26, the limiting block 26 is arranged on the outer side of the connecting cavity 22, the first connecting rod 24 between the limiting block 26 and the connecting cavity 22 is provided with a first spring 25, the connecting plate 19 is pressed on the fixing plate 20 by the first spring 25, so that the fixing plate 20 can be conveniently sealed, the use of equipment is facilitated, the outer side of the connecting plate 19 is connected with a second connecting rod 28 through a bearing seat 27, the outer side of the second connecting rod 28 is connected with a cylinder 29, the cylinder 29 is arranged on the outer side of the ventilation pipe 10, the connecting plate 19 is driven by the cylinder 29 to move outwards, and the ventilation treatment can be independently carried out on the ventilation hole 21, so that the ventilation treatment can be conveniently carried out on a single air duct 2, and the use of the equipment is facilitated, the electric energy is saved.
Example two
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", and "connected" are to be interpreted broadly, e.g., as being 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 by those of ordinary skill in the art through specific situations.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a central air conditioning economizer, includes condensing box (1), air duct (2) are installed in condensing box (1) four corners, be provided with installation mechanism (3) on the wall four corners of both sides about condensing box (1), mounting structure (3) include mounting panel (31), mounting hole (32), connecting pipe (33), fastening knob (34), third connecting rod (35), second spring (36) and stopper (37), mounting panel (31) set up the outer end at installation mechanism (3), and mounting panel (31) four corners is provided with mounting hole (32), and mounting panel (31) are inside to be provided with connecting pipe (33), and connecting pipe (33) upper end is connected with third connecting pipe (35) through fastening knob (34), and fastening knob (34) set up the upper end inboard at connecting plate (33), third connecting pipe (35) insert on the wall both sides about condensing box (1), a limiting block (37) is arranged on a third connecting rod (35) positioned in the condensing box (1), a second spring (36) is arranged on the third connecting rod (35) positioned outside the condensing box (1), a connecting cavity (4) is arranged at the middle end in the condensing box (1), dustproof vents (5) are arranged on the upper side wall and the lower side wall of the condensing box (1) positioned inside the connecting cavity (4), a first connecting cover (6) is arranged inside the dustproof vents (5), a second connecting cover (7) is arranged inside the first connecting cover (6), a condensing cavity (8) is arranged between the second connecting covers (7), a condensing pipe (9) is arranged inside the condensing cavity (8), ventilating pipes (10) are arranged on the left side and the right side of the condensing cavity (8), and the ventilating holes at the four corners outside of the ventilating pipe (10) are correspondingly arranged inside an exhaust hood on the inner side of the air guide pipe (2), fan (11) are installed to the air inlet department of ventilation pipe (10), pivot (12) are installed through the fixed block to air-supply line (10) inside, and pivot (12) outside is provided with cross connection head (17), and cross connection head (17) insert inside cross connection seat (18), and the bottom at connecting plate (19) is installed in cross connection seat (18), and fixed plate (20) are installed to connecting plate (19) downside, and both ends are provided with vent (21) about fixed plate (20), and fixed plate (20) and connecting plate (19) are installed inside connecting chamber (22), the connecting plate (19) outside is connected with second connecting rod (28) through bearing frame (27), and second connecting rod (28) outside is connected with cylinder (29), and the outside at ventilation pipe (10) is installed in cylinder (29).
2. The central air-conditioning energy-saving device according to claim 1, characterized in that a first bevel gear (13) is arranged in the middle of the rotating shaft (12), a second bevel gear (14) is arranged at the lower end of the outer side of the first bevel gear (13), and the outer side of the second bevel gear (14) is connected with the inner wall of the condensing box (1) through a connecting shaft (15).
3. An energy-saving device of a central air conditioner according to claim 2, characterized in that the connecting shaft (15) is connected with a synchronous motor (16) through a belt, and the synchronous motor (16) is installed on the inner side wall of the condensation box (1).
4. The central air-conditioning energy-saving device according to claim 1, characterized in that the left and right ends of the outer side of the connecting plate (19) are provided with the extrusion plates (23), the outer side of the extrusion plates (23) is provided with the first connecting rod (24), the outer side of the first connecting rod (24) is provided with the limiting block (26), and the limiting block (26) is installed at the outer side of the connecting cavity (22).
5. An energy-saving device for central air-conditioner according to claim 1, characterized in that the first spring (25) is installed on the first connecting rod (24) between the stopper (26) and the connecting cavity (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189974.8A CN110925900B (en) | 2019-11-28 | 2019-11-28 | Energy-saving device of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189974.8A CN110925900B (en) | 2019-11-28 | 2019-11-28 | Energy-saving device of central air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN110925900A CN110925900A (en) | 2020-03-27 |
| CN110925900B true CN110925900B (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911189974.8A Active CN110925900B (en) | 2019-11-28 | 2019-11-28 | Energy-saving device of central air conditioner |
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Citations (7)
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|---|---|---|---|---|
| JPH08226668A (en) * | 1995-02-20 | 1996-09-03 | Mitsubishi Electric Corp | Ceiling embedded type ventilation air-conditioner |
| CN104815490A (en) * | 2015-05-21 | 2015-08-05 | 上海海事大学 | Air purifier |
| CN205939608U (en) * | 2016-08-10 | 2017-02-08 | 东莞市泽风净化设备有限公司 | Breather valve |
| CN206801909U (en) * | 2017-04-25 | 2017-12-26 | 四川建筑职业技术学院 | A kind of blower fan with controllable guide vane |
| CN207230844U (en) * | 2017-10-12 | 2018-04-13 | 沈贵方 | A kind of energy device of central air conditioner |
| CN109353709A (en) * | 2018-12-04 | 2019-02-19 | 珠海格力电器股份有限公司 | Air port device, air conditioning apparatus, and container |
| CN209415697U (en) * | 2018-12-04 | 2019-09-20 | 北川金阳舒适家科技有限公司 | A kind of energy device of central air conditioner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6851255B2 (en) * | 2002-12-18 | 2005-02-08 | Pratt & Whitney Canada Corp. | Normally open reverse flow flapper valve |
| CN208652868U (en) * | 2018-06-29 | 2019-03-26 | 广东信禾机电工程有限公司 | A kind of air conditioner air outlet device being electrically adjusted |
-
2019
- 2019-11-28 CN CN201911189974.8A patent/CN110925900B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08226668A (en) * | 1995-02-20 | 1996-09-03 | Mitsubishi Electric Corp | Ceiling embedded type ventilation air-conditioner |
| CN104815490A (en) * | 2015-05-21 | 2015-08-05 | 上海海事大学 | Air purifier |
| CN205939608U (en) * | 2016-08-10 | 2017-02-08 | 东莞市泽风净化设备有限公司 | Breather valve |
| CN206801909U (en) * | 2017-04-25 | 2017-12-26 | 四川建筑职业技术学院 | A kind of blower fan with controllable guide vane |
| CN207230844U (en) * | 2017-10-12 | 2018-04-13 | 沈贵方 | A kind of energy device of central air conditioner |
| CN109353709A (en) * | 2018-12-04 | 2019-02-19 | 珠海格力电器股份有限公司 | Air port device, air conditioning apparatus, and container |
| CN209415697U (en) * | 2018-12-04 | 2019-09-20 | 北川金阳舒适家科技有限公司 | A kind of energy device of central air conditioner |
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