CN109386964B - Fresh air heating device - Google Patents
Fresh air heating device Download PDFInfo
- Publication number
- CN109386964B CN109386964B CN201811333109.1A CN201811333109A CN109386964B CN 109386964 B CN109386964 B CN 109386964B CN 201811333109 A CN201811333109 A CN 201811333109A CN 109386964 B CN109386964 B CN 109386964B
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- CN
- China
- Prior art keywords
- air
- outlet
- inlet
- fresh air
- indoor
- 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.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 230000007306 turnover Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 abstract description 4
- 238000004887 air purification Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
-
- 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
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
Abstract
A fresh air heating device is composed of a device shell, a volute type fan, a fresh air and exhaust shared air port, an indoor air inlet, an indoor air outlet, a fresh air turning plate, an exhaust turning plate, an air swinging turning plate and the like. The indoor air inlet, the fresh air and exhaust air shared air inlet and the axial inlet form a three-way structure. The indoor air outlet, the fresh air exhaust shared air outlet and the tangential outlet form a three-way structure. The invention has the beneficial effects that: the device only uses one volute type fan, and is matched with a fresh air turning plate, an exhaust turning plate and an air swinging turning plate to finish the functions of fresh air purification, fresh air heating, indoor circulation heating, exhaust, blowing, air swinging and the like.
Description
Technical Field
The invention relates to the technical field of ventilation, in particular to a ventilation heater, and especially relates to a fresh air heating device.
Background
The novel air heating device disclosed by the Chinese patent No. CN207365398U, the novel multifunctional integrated ceiling air heater disclosed by the Chinese patent No. CN206377732U, the novel air heater disclosed by the Chinese patent No. CN206929834U and the like are all provided with two or more volute fans, so that the novel air heating device is huge in volume.
Disclosure of Invention
The invention aims to solve the problem of large number of spiral case type fans in a fresh air heating device and provides a novel fresh air heating device.
In order to overcome the above situation, the technical scheme of the invention is as follows: a fresh air heating device, which comprises a main body,
a device housing;
a volute fan disposed inside the device housing, the volute fan having an axial inlet and a tangential outlet;
the fresh air exhaust shared air port is formed on the side wall of the device shell and is used for being communicated with the outside;
the indoor air inlet is formed on the top wall of the device shell and is used for being communicated with the indoor space, and the indoor air inlet, the fresh air exhaust shared air inlet and the axial inlet form a three-way structure;
the indoor air outlet is formed on the top wall of the device shell and is arranged adjacent to the indoor air inlet, the indoor air outlet is used for being communicated with the indoor space, and the indoor air outlet, the fresh air exhaust shared air outlet and the tangential outlet form a three-way structure;
the fresh air turning plate is arranged between the fresh air exhaust shared air port and the indoor air inlet and is used for alternatively communicating the fresh air exhaust shared air port with the axial inlet or communicating the indoor air inlet with the axial inlet;
the exhaust turning plate is arranged between the indoor air outlet and the tangential outlet and is used for alternatively communicating the fresh air exhaust shared air outlet with the tangential outlet or the indoor air outlet with the tangential outlet; the method comprises the steps of,
and the air swinging turnover plate is arranged at the indoor air inlet and the indoor air outlet.
As a preferred scheme of new trend heating installation, indoor air intake has entry end and send out the end, indoor air outlet has entry end and send out the end, the entry end of indoor air intake and the send out the end of indoor air outlet all upwards set up, pendulum wind turns over the board cover in the entry end of indoor air intake and the top of the send out the end of indoor air outlet.
As a preferable scheme of the fresh air heating device, the swing turning plate is correspondingly provided with a swing turning motor, the motor shaft of the swing turning motor is horizontally arranged, and the motor shaft of the swing turning motor is fixedly combined with the swing turning plate, so that the swing turning plate can be driven to realize the turning in the vertical direction.
As a preferred scheme of new trend heating installation, the delivery end side direction of indoor air intake sets up, the new trend turns over the board and corresponds there is new trend upset motor, the vertical setting of motor shaft of new trend upset motor, the motor shaft of new trend upset motor with the new trend turns over the board and combines fixedly mutually, makes new trend upset can drive the new trend turns over the board and overturns in the horizontal direction.
As a preferred scheme of fresh air heating installation, the entering end of indoor air outlet sets up downwards, it turns over the board to exhaust corresponds has the upset motor of airing exhaust, the motor shaft level of upset motor of airing exhaust sets up, makes the upset motor of airing exhaust can drive the upset of turning over the board realization upper and lower direction of airing exhaust.
As an optimal scheme of the fresh air heating device, an air purifying filter element is arranged between the fresh air exhaust shared air port and the axial inlet.
As a preferable scheme of the fresh air heating device, the PTC heating component is arranged in the indoor air outlet.
Compared with the prior art, the invention has the beneficial effects that: (1) The device only uses one volute type fan, and is matched with a fresh air turning plate, an exhaust turning plate and an air swinging turning plate to finish the functions of purifying fresh air, heating fresh air, indoor circulating heating, exhausting air, blowing air, swinging air and the like; (2) The fresh air and ventilation share one port (fresh air and ventilation share one port), namely, the wall surface of the user only needs to be provided with one wall through hole; (3) The indoor air inlet and the indoor air outlet are hidden below the air swinging turning plate, so that the external decoration panel is more close to the comprehensive screen.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a usage state diagram (fresh air intake state) of an embodiment of the present invention.
Fig. 3 is a view showing a state of use (indoor circulation heating state) according to an embodiment of the present invention.
Fig. 4 is a usage state diagram (blowing state) of an embodiment of the present invention.
Fig. 5 is a usage state diagram (exhaust state) of an embodiment of the present invention.
Fig. 6 is a view showing a use state (a damper opening state) of an embodiment of the present invention.
Fig. 7 is a view showing a state of use (a damper closed state) of an embodiment of the present invention.
Detailed Description
The invention will be described in further detail below with reference to the drawings by means of specific embodiments.
Referring to fig. 1, a fresh air heating device is shown, which can be used in home, office and other places.
The fresh air heating device mainly comprises a device shell 1, a volute type fan 2, a fresh air and exhaust shared air port 3, an indoor air inlet 4, an indoor air outlet 5, a fresh air turning plate 6, an exhaust turning plate 7, an air swinging turning plate 8 and the like.
The device housing 1 is a square box body.
The scroll type blower 2 is disposed inside the apparatus housing 1 at a right position of the apparatus housing 1. The volute fan 2 has an axial inlet 21 and a tangential outlet 22. The axial inlet 21 is disposed upwardly. The tangential outlet 22 is positioned to the left.
The fresh air exhaust shared air port 3 is formed on the left side wall of the device shell 1. The fresh air exhaust shared air port 3 is used for being communicated with the outside.
The indoor air inlet 4 is formed on the top wall of the device housing 1 and is located at the right side of the top wall of the device housing 1. The indoor air inlet 4 is used for being communicated with the indoor space. The indoor air inlet 4 is provided with an inlet end and an outlet end. The inlet end of the indoor air inlet 4 is arranged upwards. The delivery end of the indoor air inlet 4 is arranged forwards.
The indoor air inlet 4, the fresh air and exhaust shared air inlet 3 and the axial inlet 21 form a three-way structure.
The fresh air turning plate 6 is arranged between the fresh air exhaust shared air port 3 and the indoor air inlet 4. The fresh air turning plate 6 is used for alternatively communicating the fresh air exhaust shared air port 3 with the axial inlet 21 or communicating the indoor air inlet 4 with the axial inlet 21. Specifically, the fresh air turning plate 6 is correspondingly provided with a fresh air turning motor. And a motor shaft of the fresh air overturning motor is vertically arranged. The motor shaft of the fresh air overturning motor is fixedly combined with the fresh air overturning plate 6, so that the fresh air overturning motor can drive the fresh air overturning plate 6 to overturn in the horizontal direction. When the fresh air turning plate 6 turns to the sending end of the indoor air inlet 4, the fresh air turning plate 6 seals the indoor air inlet 4, namely, the fresh air turning plate 6 is communicated with the fresh air exhaust shared air inlet 3 and the axial inlet 21. And when the fresh air turning plate 6 turns to the position of the fresh air exhaust shared air port 3, the fresh air turning plate 6 seals the fresh air exhaust shared air port 3, namely, the fresh air turning plate 6 is communicated with the indoor air inlet 4 and the axial inlet 21.
An air purifying filter element 9 is arranged between the fresh air exhaust shared air port 3 and the axial inlet 21. In this embodiment, the air purifying filter element 9 has a plate-shaped structure and is horizontally disposed, and is flush with the top wall of the volute fan 2, so that the left side of the device housing 1 is divided into an upper layer and a lower layer. Fresh air passes through the air purification filter element 9 from the lower layer to the upper layer under the suction force of the volute fan 2.
The indoor air outlet 5 is formed on the top wall of the device housing 1 at a position to the left of the top wall of the device housing 1. The indoor air outlet 5 is parallel to the indoor air inlet 4. The indoor air outlet 5 is used for being communicated with the indoor space. The indoor air outlet 5 is provided with an inlet end and an outlet end. The inlet end of the indoor air outlet 5 is arranged downwards. The delivery end of the indoor air outlet 5 is arranged upwards. The inside of the indoor air outlet 5 is provided with a PTC heating component.
The indoor air outlet 5, the fresh air exhaust shared air outlet 3 and the tangential outlet 22 form a three-way structure.
The exhaust flap 7 is placed between the indoor air outlet 5 and the tangential outlet 22. The exhaust turning plate 7 is used for alternatively communicating the fresh air exhaust shared air port 3 with the tangential outlet 22 or communicating the indoor air outlet 5 with the tangential outlet 22. Specifically, the exhaust flap 7 is correspondingly provided with an exhaust turning motor, and a motor shaft of the exhaust turning motor is horizontally arranged, so that the exhaust turning motor can drive the exhaust flap 7 to realize turning in the vertical direction. When the exhaust flap 7 is turned to the inlet end of the indoor air outlet 5, the exhaust flap 7 seals the indoor air outlet 5, that is, the exhaust flap 7 is communicated with the fresh air exhaust shared air outlet 3 and the tangential outlet 22. And when the exhaust flap 7 is turned to the tangential outlet 22, the exhaust flap 7 seals the tangential outlet 22, that is, the exhaust flap 7 communicates the indoor air outlet 5 with the tangential outlet 22.
The swing flap 8 is arranged at the indoor air inlet 4 and the indoor air outlet 5. The air-swinging turning plate 8 covers the upper part of the inlet end of the indoor air inlet 4 and the outlet end of the indoor air outlet 5. The indoor air inlet 4 and the indoor air outlet 5 are hidden below the air swinging turning plate 8, so that the external decoration panel is more close to a comprehensive screen. The wind swinging turnover plate 8 corresponds to a wind swinging turnover motor. The motor shaft of the pendulum wind overturning motor is horizontally arranged. The motor shaft of the pendulum wind turnover motor is fixedly combined with the pendulum wind turnover plate 8, so that the pendulum wind turnover plate can be driven to realize the turnover in the up-down direction, and the wind outlet direction is changed.
And (3) a fresh air purifying mode: referring to fig. 2, the fresh air flap 6 is used to communicate the fresh air exhaust common air port 3 with the axial inlet 21 (at this time, the indoor air inlet 4 is not communicated with the axial inlet 21), the air exhaust flap 7 is used to communicate the indoor air outlet 5 with the tangential outlet 22 (at this time, the fresh air exhaust common air port 3 is not communicated with the tangential outlet 22), so that outdoor fresh air enters the axial inlet 21 through the fresh air exhaust common air port 3, flows from the tangential outlet 22 to the indoor air outlet 5, and finally is supplied by the indoor air outlet 5.
Fresh air heating mode: on the basis of a fresh air purifying mode, the PTC heating assembly is started, and the fresh air sent out by the indoor air outlet 5 is heated by the PTC heating assembly.
Indoor circulation heating: referring to fig. 3, the fresh air flap 6 is used to communicate the indoor air inlet 4 with the axial inlet 21 (at this time, the fresh air exhaust common air port 3 is not communicated with the axial inlet 21), the exhaust flap 7 is used to communicate the indoor air outlet 5 with the tangential outlet 22 (at this time, the fresh air exhaust common air port 3 is not communicated with the tangential outlet 22), so that indoor air enters the axial inlet 21 through the indoor air inlet 4, flows from the tangential outlet 22 to the indoor air outlet 5, and finally is blown by the indoor air outlet 5.
Exhaust mode: referring to fig. 4, the fresh air flap 6 is used to communicate the indoor air inlet 4 with the axial inlet 21 (at this time, the fresh air exhaust common air port 3 is not communicated with the axial inlet 21), the exhaust flap 7 is used to communicate the fresh air exhaust common air port 3 with the tangential outlet 22 (at this time, the indoor air outlet 5 is not communicated with the tangential outlet 22), so that indoor air enters the axial inlet 21 through the indoor air inlet 4, flows from the tangential outlet 22 to the fresh air exhaust common air port 3, and finally is supplied with air by the fresh air exhaust common air port 3.
Blowing mode: referring to fig. 5, the exhaust flap 7 is used to connect the indoor air outlet 5 and the tangential outlet 22 (at this time, the fresh air exhaust common air port 3 is not connected to the tangential outlet 22), so that indoor air or fresh air enters the axial inlet 21, flows from the tangential outlet 22 to the indoor air outlet 5, and is finally supplied from the indoor air outlet 5.
Wind swinging mode: referring to fig. 6 and 7, the air outlet angle of the indoor air outlet 5 is adjusted by using the air-swinging turning plate 8.
The foregoing has outlined rather broadly the more detailed description of the invention in order that the detailed description thereof that follows may be better understood, and in order that the present invention may be better understood. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (1)
1. A fresh air heating device is characterized by comprising,
a device housing;
a volute fan disposed inside the device housing, the volute fan having an axial inlet and a tangential outlet;
the fresh air exhaust shared air port is formed on the side wall of the device shell and is used for being communicated with the outside;
the indoor air inlet is formed on the top wall of the device shell and is used for being communicated with the indoor space, and the indoor air inlet, the fresh air exhaust shared air inlet and the axial inlet form a three-way structure;
the indoor air outlet is formed on the top wall of the device shell and is arranged adjacent to the indoor air inlet, the indoor air outlet is used for being communicated with the indoor space, and the indoor air outlet, the fresh air exhaust shared air outlet and the tangential outlet form a three-way structure;
the fresh air turning plate is arranged between the fresh air exhaust shared air port and the indoor air inlet and is used for alternatively communicating the fresh air exhaust shared air port with the axial inlet or communicating the indoor air inlet with the axial inlet;
the exhaust turning plate is arranged between the indoor air outlet and the tangential outlet and is used for alternatively communicating the fresh air exhaust shared air outlet with the tangential outlet or the indoor air outlet with the tangential outlet; the method comprises the steps of,
the air swinging turnover plate is arranged at the indoor air inlet and the indoor air outlet;
the indoor air inlet is provided with an inlet end and an outlet end, the indoor air outlet is provided with an inlet end and an outlet end, the inlet end of the indoor air inlet and the outlet end of the indoor air outlet are both arranged upwards, and the air swinging turning plate covers the upper parts of the inlet end of the indoor air inlet and the outlet end of the indoor air outlet;
the wind-swing turning plate is correspondingly provided with a wind-swing turning motor, the motor shaft of the wind-swing turning motor is horizontally arranged, and the motor shaft of the wind-swing turning motor is fixedly combined with the wind-swing turning plate, so that the wind-swing turning motor can drive the wind-swing turning plate to realize turning in the up-down direction;
the air inlet is arranged at the side direction of the air inlet, the fresh air turning plate is correspondingly provided with a fresh air turning motor, the motor shaft of the fresh air turning motor is vertically arranged, and the motor shaft of the fresh air turning motor is fixedly combined with the fresh air turning plate, so that the fresh air turning motor can drive the fresh air turning plate to turn in the horizontal direction;
the inlet end of the indoor air outlet is downwards arranged, the air exhaust turning plate is correspondingly provided with an air exhaust turning motor, and the motor shaft of the air exhaust turning motor is horizontally arranged, so that the air exhaust turning motor can drive the air exhaust turning plate to realize turning in the up-down direction;
an air purifying filter element is arranged between the fresh air exhaust shared air port and the axial inlet; the inside of the indoor air outlet is provided with a PTC heating component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333109.1A CN109386964B (en) | 2018-11-09 | 2018-11-09 | Fresh air heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333109.1A CN109386964B (en) | 2018-11-09 | 2018-11-09 | Fresh air heating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109386964A CN109386964A (en) | 2019-02-26 |
| CN109386964B true CN109386964B (en) | 2024-03-19 |
Family
ID=65428338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811333109.1A Active CN109386964B (en) | 2018-11-09 | 2018-11-09 | Fresh air heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109386964B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145833A (en) * | 2019-04-09 | 2019-08-20 | 惠州市祥兴机械设备有限公司 | Between a kind of box-type list Fan Equipment |
| CN114135985A (en) * | 2020-09-03 | 2022-03-04 | 广东美的制冷设备有限公司 | Air conditioner, air processing apparatus, control method and computer-readable storage medium |
| CN114427746A (en) * | 2020-10-29 | 2022-05-03 | 广东美的制冷设备有限公司 | Air conditioner, control method and computer readable storage medium |
| CN112283805B (en) * | 2020-10-29 | 2022-11-18 | 广东美的制冷设备有限公司 | Control method of air treatment device |
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|---|---|---|---|---|
| KR20090004688U (en) * | 2007-11-13 | 2009-05-18 | 한일전기그룹 주식회사 | Heating and ventilation |
| 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 |
| CN105890020A (en) * | 2014-12-17 | 2016-08-24 | 杭州品悦电器有限公司 | Suspended ceiling warmer with fresh air function |
| CN206556192U (en) * | 2017-03-22 | 2017-10-13 | 奥普家居股份有限公司 | A kind of new blower fan with heating function |
| CN209042754U (en) * | 2018-11-09 | 2019-06-28 | 上海龙胜实业有限公司 | New airing radiator |
-
2018
- 2018-11-09 CN CN201811333109.1A patent/CN109386964B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090004688U (en) * | 2007-11-13 | 2009-05-18 | 한일전기그룹 주식회사 | Heating and ventilation |
| 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 |
| CN105890020A (en) * | 2014-12-17 | 2016-08-24 | 杭州品悦电器有限公司 | Suspended ceiling warmer with fresh air function |
| CN206556192U (en) * | 2017-03-22 | 2017-10-13 | 奥普家居股份有限公司 | A kind of new blower fan with heating function |
| CN209042754U (en) * | 2018-11-09 | 2019-06-28 | 上海龙胜实业有限公司 | New airing radiator |
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| Publication number | Publication date |
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| CN109386964A (en) | 2019-02-26 |
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