CN108361211A - A kind of integrated ceiling ventilator - Google Patents
A kind of integrated ceiling ventilator Download PDFInfo
- Publication number
- CN108361211A CN108361211A CN201810385718.5A CN201810385718A CN108361211A CN 108361211 A CN108361211 A CN 108361211A CN 201810385718 A CN201810385718 A CN 201810385718A CN 108361211 A CN108361211 A CN 108361211A
- Authority
- CN
- China
- Prior art keywords
- impeller
- shell
- accommodating chamber
- ventilation
- fan
- 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
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/088—Ceiling fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of integrated ceiling ventilator provided by the invention, including shell, wind turbine, impeller, ventilation mouth, heating device, cover board, it is connected with wind turbine in the shell, it is connected with impeller in the shell, the side wall of the shell is equipped with ventilation mouth, heating device is installed in the shell, cover board is connected with above the shell, integrates heating and ventilation.
Description
【Technical field】
The present invention relates to the technical field of ventilation fan, more particularly to a kind of technical field of integrated ceiling ventilator.
【Background technology】
Ventilation fan has motor to drive fan blade rotation certain driving air-flow, a kind of air conditioning electricity for making indoor and outdoor air exchange
Device, the purpose of ventilation seek to remove foul indoor air, adjust temperature, humidity and sensory effect, ventilation fan and are widely used in
Family and public place, current ventilation fan can only play merely gas exchange action, and without heating function, effect is excessively single.
【Invention content】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of integrated ceiling ventilator is provided, is intended to
Solve the excessively single technical problem of ventilation fan function in the prior art.
To achieve the above object, the present invention proposes a kind of integrated ceiling ventilator, including shell, wind turbine, impeller, ventilation
Mouth, heating device, cover board are connected with wind turbine in the shell, impeller are connected in the shell, the side wall of the shell is equipped with
It takes a breath mouth, heating device is installed in the shell, cover board is connected with above the shell.
Preferably, the shell is an integral structure, the shell includes wind turbine accommodating chamber, impeller accommodating chamber, heating
Device accommodating chamber, is connected with impeller accommodating chamber above the wind turbine accommodating chamber, the side of the impeller accommodating chamber be connected with plus
Thermal accommodating chamber is equipped with wind turbine in the wind turbine accommodating chamber, and the impeller accommodating chamber is equipped with impeller, the heating device
Heating device is installed in accommodating chamber, groove is equipped in the impeller accommodating chamber of the shell, ventilation mouth is connected on the groove.
Preferably, the impeller is an integral structure, the impeller includes impeller seat, fan blades, fan fixing device, institute
It states and is connected with several fan blades on impeller seat, the quantity of the fan blades is 10~30, and the fan blades is distributed on impeller seat, described
Fan blades is arch, and fan fixing device is connected on the impeller seat, and the fan fixing device includes fan fixed mount and spoke
Item is connected with several spokes on the fan fixing device, and the quantity of the spoke is 4~6, and the other end of the spoke connects
It is connected to impeller seat.
Preferably, the ventilation mouth includes ventilation pipe and ventilation blade, if the side wall of the ventilation pipe is equipped with
The quantity of dry connecting hole, the connecting hole is 2, and the connecting hole is symmetrical about the diameter of ventilation pipe, described to change
Gas pipe is equipped with several catch, and the quantity of the catch is 2~5, and the ventilation blade both sides are equipped with connecting rod, the company
Extension bar is corresponded with connecting hole, and the ventilation blade is equipped with several sector notch, and the quantity of the sector notch is 3,
Wind-force size can be changed in rotation ventilation blade, ensures that ventilation mouth will not block.
Preferably, the heating device includes heating tube, heating compartment, temperature sensor, conducting wire, the wind of the shell
Heating compartment is installed in machine fixing device, heating tube is connected in the heating compartment, temperature biography is connected on the impeller
Sensor, the temperature sensor are connect with heating tube by conducting wire.
Preferably, the cover board is bolted with shell, the cover board includes cover board body, fan housing, air port, institute
Cover board body is stated on the shell, is connected with fan housing in the cover board body, the fan housing is in paliform, between the fan housing
Equipped with air port.
Preferably, being installed between the cover board and shell just has sealing ring.Heating device is protected not intake, anti-leak-stopping
Electricity.
Beneficial effects of the present invention：Compared with prior art, a kind of integrated ceiling ventilator provided by the invention, structure are closed
Reason, the temperature sensor of heating device can realize that automatic heating function, the fan blades of impeller can make outlet air uniform, the ventilation for mouth of taking a breath
Blade is rotatable, changes the size of ventilation, and ventilation blade is equipped with 3 sector notch, will not block ventilation mouth, protects wind turbine,
It is equipped with groove in shell, ensures by shell to be interfered when ventilation blade rotation, catch control ventilation leaf is equipped in ventilation pipe
Piece scope of activities.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of structural schematic diagram of integrated ceiling ventilator of the embodiment of the present invention；
Fig. 2 is the right view of the integrated ceiling ventilator of the embodiment of the present invention；
Fig. 3 is the vertical view of the integrated ceiling ventilator of the embodiment of the present invention.
In figure：1- shells, 2- wind turbines, 3- impellers, 4- ventilations mouth, 5- heating devices, 6- cover boards, 7- sealing rings, 11- wind turbines
Accommodating chamber, 12- impellers accommodating chamber, 13- heating devices accommodating chamber, 14- grooves, 31- impellers seat, 32- fan blades, 33- wind turbines are fixed
Device, 41- ventilations pipe, 42- ventilations blade, 51- heating tubes, 52- heating compartments, 53- temperature sensors, 54- conducting wires, 61-
Cover board body, 62- fan housings, the air ports 63-, 331- fan fixed mounts, 332- spokes, 411- connecting holes, 412- catch, 421- connections
Bar, 422- sector notch.
【Specific implementation mode】
Refering to fig. 1, Fig. 2 and Fig. 3, the embodiment of the present invention provide a kind of integrated ceiling ventilator, including shell 1, wind turbine 2,
Impeller 3, take a breath mouth 4, heating device 5, cover board 6, are connected with wind turbine 2 in the shell 1, impeller 3 are connected in the shell 1,
The side wall of the shell 1 is equipped with ventilation mouth 4, is equipped with heating device 5 in the shell 1, the top of the shell 1 is connected with lid
Plate 6, the shell 1 are an integral structure, and the shell 1 includes wind turbine accommodating chamber 11, impeller accommodating chamber 12, heating device receiving
The top of room 13, the wind turbine accommodating chamber 11 is connected with impeller accommodating chamber 12, and the side of the impeller accommodating chamber 12, which is connected with, to be added
Thermal accommodating chamber 13 is equipped with wind turbine 2 in the wind turbine accommodating chamber 11, and the impeller accommodating chamber 12 is equipped with impeller 3, described
Heating device 5 is installed in heating device accommodating chamber 13, groove 14 is equipped in the impeller accommodating chamber 12 of the shell 1, it is described recessed
Ventilation mouth 4 is connected on slot 14, the impeller 3 is an integral structure, and the impeller 3 is solid including impeller seat 31, fan blades 32, wind turbine
Determine device 33, several fan blades 32 is connected on the impeller seat 31, the quantity of the fan blades 32 is 10, and the fan blades 32 is uniformly distributed
On impeller seat 31, the fan blades 32 is arch, is connected with fan fixing device 33 on the impeller seat 31, the wind turbine is fixed
Device 33 includes fan fixed mount 331 and spoke 332, and several spokes 332, the spoke are connected on the fan fixing device 33
The quantity of item 332 is 4, and the other end of the spoke 332 is connected with impeller seat 31, and the ventilation mouth 4 includes ventilation pipe 41
Several connecting holes 411 are equipped with the side wall of ventilation blade 42, the ventilation pipe 41, the quantity of the connecting hole 411 is 2
A, the connecting hole 42 is symmetrical about the diameter of ventilation pipe 41, and the ventilation pipe 41 is equipped with several catch 412,
The quantity of the catch 412 is 2, and 42 both sides of ventilation blade are equipped with connecting rod 421, the connecting rod 421 and connecting hole
411 correspond, and the ventilation blade 42 is equipped with several sector notch 422, and the quantity of the sector notch 422 is 3, institute
It includes heating tube 51, heating compartment 52, temperature sensor 53, conducting wire 54 to state heating device 5, and the wind turbine of the shell 1 fixes dress
It sets and heating compartment 52 is installed in 33, heating tube 51 is connected in the heating compartment 52, temperature biography is connected on the impeller 3
Sensor 53, the temperature sensor 53 are connect with heating tube 51 by conducting wire 54, and the cover board 6 is bolted with shell 1,
The cover board 6 includes cover board body 61, fan housing 62, air port 63, and the cover board body 61 is mounted on shell 1, the cover board sheet
Fan housing 62 is connected in body 61, the fan housing 62 is in paliform, and air port 63, the cover board 6 and shell are equipped between the fan housing 62
Being installed between body 1 just has sealing ring 7.
The course of work of the present invention：
During the work time, shell 1, wind turbine 2, impeller 3, ventilation mouth 4, heating fill a kind of integrated ceiling ventilator of the present invention
It sets 5, cover board 6 and constitutes ceiling-mounted ventilator, after installing integrated ceiling ventilator, start wind turbine 2, air is from the air port of cover board 6
63 enter in shell 1, and impeller accommodating chamber 12 is equipped with impeller 3, are discharged from ventilation mouth 4 after the fan blades 32 of impeller 3, mouth of taking a breath
4 include ventilation pipe 41 and ventilation blade 42, and the rotation of ventilation blade 42 can control the size of outlet air, temperature is connected on impeller 3
Sensor 53 is spent, when leaving air temp is too low, heating tube 51 is started to work in heating device 5, by heat from the air port of cover board 6 63
Discharge.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (7)
1. a kind of integrated ceiling ventilator, it is characterised in that：Including shell (1), wind turbine (2), impeller (3), ventilation mouth (4), add
Thermal (5), cover board (6), the shell (1) is interior to be connected with wind turbine (2), and impeller (3) is connected in the shell (1), described
The side wall of shell (1) connects equipped with heating device (5) is equipped in ventilation mouth (4), the shell (1) above the shell (1)
It is connected to cover board (6).
2. a kind of integrated ceiling ventilator as described in claim 1, it is characterised in that：The shell (1) is an integral structure,
The shell (1) includes wind turbine accommodating chamber (11), impeller accommodating chamber (12), heating device accommodating chamber (13), and the wind turbine accommodates
Impeller accommodating chamber (12) is connected with above room (11), the side of the impeller accommodating chamber (12) is connected with heating device accommodating chamber
(13), wind turbine (2) is installed, the impeller accommodating chamber (12) is equipped with impeller (3), described to add in the wind turbine accommodating chamber (11)
Heating device (5) is installed in thermal accommodating chamber (13), groove is equipped in the impeller accommodating chamber (12) of the shell (1)
(14), ventilation mouth (4) is connected on the groove (14).
3. a kind of integrated ceiling ventilator as described in claim 1, it is characterised in that：The impeller (3) is an integral structure,
The impeller (3) includes impeller seat (31), fan blades (32), fan fixing device (33), the impeller seat (31) if on be connected with
The quantity of dry fan blades (32), the fan blades (32) is 10~30, and the fan blades (32) is distributed on impeller seat (31), the fan
Piece (32) is arch, is connected with fan fixing device (33) on the impeller seat (31), the fan fixing device (33) includes
Fan fixed mount (331) and spoke (332) are connected with several spokes (332), the spoke on the fan fixing device (33)
(332) quantity is 4~6, and the other end of the spoke (332) is connected with impeller seat (31).
4. a kind of integrated ceiling ventilator as described in claim 1, it is characterised in that：The ventilation mouth (4) includes that ventilation is justified
(41) and ventilation blade (42) are managed, the side wall of the ventilation pipe (41) is equipped with several connecting holes (411), the connecting hole
(411) quantity is 2, and the connecting hole (42) is symmetrical about the diameter of ventilation pipe (41), the ventilation pipe
(41) several catch (412) are equipped with, the quantity of the catch (412) is 2~5, and ventilation blade (42) both sides are equipped with
Connecting rod (421), the connecting rod (421) correspond with connecting hole (411), and the ventilation blade (42) is equipped with several fans
The quantity of v notch v (422), the sector notch (422) is 3.
5. a kind of integrated ceiling ventilator as described in claim 1,2, it is characterised in that：The heating device (5) includes adding
The fan fixing device (33) of heat pipe (51), heating compartment (52), temperature sensor (53), conducting wire (54), the shell (1) is interior
Heating compartment (52) is installed, heating tube (51) is connected in the heating compartment (52), temperature is connected on the impeller (3)
Sensor (53), the temperature sensor (53) are connect with heating tube (51) by conducting wire (54).
6. a kind of integrated ceiling ventilator as described in claim 1, it is characterised in that：The cover board (6) passes through with shell (1)
It is bolted, the cover board (6) includes cover board body (61), fan housing (62), air port (63), and the cover board body (61) is mounted on
On shell (1), fan housing (62) is connected in the cover board body (61), the fan housing (62) is in paliform, the fan housing (62)
Between be equipped with air port (63).
7. a kind of integrated ceiling ventilator as described in claim 1, it is characterised in that：Between the cover board (6) and shell (1)
Installation just has sealing ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385718.5A CN108361211A (en) | 2018-04-26 | 2018-04-26 | A kind of integrated ceiling ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385718.5A CN108361211A (en) | 2018-04-26 | 2018-04-26 | A kind of integrated ceiling ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108361211A true CN108361211A (en) | 2018-08-03 |
Family
ID=63009711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810385718.5A Pending CN108361211A (en) | 2018-04-26 | 2018-04-26 | A kind of integrated ceiling ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361211A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742432A (en) * | 2014-01-06 | 2014-04-23 | 朱厚林 | Lighting air exchange fan |
| CN203729533U (en) * | 2014-01-24 | 2014-07-23 | 嘉兴美尔凯特卫厨科技有限公司 | Self-cleaning suspended ceiling panel |
| CN204043068U (en) * | 2014-04-03 | 2014-12-24 | 杭州品悦电器有限公司 | A kind of multi-functional wall-hanging-type warm-air machine |
| CN105222259A (en) * | 2015-11-06 | 2016-01-06 | 浙江巨森建材科技有限公司 | A kind of Integral ceiling ventilation wind warms up lighting all-in-one machine |
| CN204962931U (en) * | 2015-09-16 | 2016-01-13 | 苏瑞龙 | Multi -functional electric fan heater of taking a breath |
| CN206268117U (en) * | 2016-11-16 | 2017-06-20 | 芜湖市雨之花卫浴有限公司 | A kind of multifunctional ventilation hot fan |
| CN206478826U (en) * | 2016-12-09 | 2017-09-08 | 浙江品格集成家居有限公司 | A kind of ventilation and lighting device for Integral ceiling |
| CN107288928A (en) * | 2016-03-30 | 2017-10-24 | 建准电机工业股份有限公司 | Ventilation fan |
| CN107940702A (en) * | 2017-11-10 | 2018-04-20 | 佛山市得安电器科技有限公司 | A kind of room air interchanger |
| CN209129888U (en) * | 2018-04-26 | 2019-07-19 | 嘉兴领创电气科技有限公司 | A kind of integrated ceiling ventilator |
-
2018
- 2018-04-26 CN CN201810385718.5A patent/CN108361211A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742432A (en) * | 2014-01-06 | 2014-04-23 | 朱厚林 | Lighting air exchange fan |
| CN203729533U (en) * | 2014-01-24 | 2014-07-23 | 嘉兴美尔凯特卫厨科技有限公司 | Self-cleaning suspended ceiling panel |
| CN204043068U (en) * | 2014-04-03 | 2014-12-24 | 杭州品悦电器有限公司 | A kind of multi-functional wall-hanging-type warm-air machine |
| CN204962931U (en) * | 2015-09-16 | 2016-01-13 | 苏瑞龙 | Multi -functional electric fan heater of taking a breath |
| CN105222259A (en) * | 2015-11-06 | 2016-01-06 | 浙江巨森建材科技有限公司 | A kind of Integral ceiling ventilation wind warms up lighting all-in-one machine |
| CN107288928A (en) * | 2016-03-30 | 2017-10-24 | 建准电机工业股份有限公司 | Ventilation fan |
| CN206268117U (en) * | 2016-11-16 | 2017-06-20 | 芜湖市雨之花卫浴有限公司 | A kind of multifunctional ventilation hot fan |
| CN206478826U (en) * | 2016-12-09 | 2017-09-08 | 浙江品格集成家居有限公司 | A kind of ventilation and lighting device for Integral ceiling |
| CN107940702A (en) * | 2017-11-10 | 2018-04-20 | 佛山市得安电器科技有限公司 | A kind of room air interchanger |
| CN209129888U (en) * | 2018-04-26 | 2019-07-19 | 嘉兴领创电气科技有限公司 | A kind of integrated ceiling ventilator |
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