CN210980239U - Prevent window formula new fan that flows backward - Google Patents
Prevent window formula new fan that flows backward Download PDFInfo
- Publication number
- CN210980239U CN210980239U CN201921067082.6U CN201921067082U CN210980239U CN 210980239 U CN210980239 U CN 210980239U CN 201921067082 U CN201921067082 U CN 201921067082U CN 210980239 U CN210980239 U CN 210980239U
- Authority
- CN
- China
- Prior art keywords
- air outlet
- fresh air
- fan
- air
- return air
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims description 4
- 238000004887 air purification Methods 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 241000256626 Pterygota <winged insects> Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Landscapes
- Ventilation (AREA)
Abstract
The utility model relates to the field of air purification equipment, and discloses a backflow-preventing window type fresh air fan, which comprises a casing arranged on a window frame, wherein one side of the casing, which is positioned outdoors, is provided with a fresh air inlet and a return air outlet, and the fresh air inlet and the return air outlet can be controlled to be opened and closed through a backflow-preventing mechanism; the inner side of the fresh air inlet is provided with a draught fan, and the return air outlet is provided with an exhaust fan; an air outlet is arranged on one indoor side of the machine shell, and a filtering device is arranged on the inner side of the air outlet; the inner cavity of the shell is provided with a total heat exchanger for heat exchange between fresh air and return air, and the total heat exchanger and the partition plate separate the inner cavity of the shell to form an air inlet channel and a return air channel. The utility model provides a current window formula new fan easily take place outdoor wind and pour into indoor problem.
Description
Technical Field
The utility model relates to an air purification equipment field specifically indicates a prevent new fan of window formula of flowing backward.
Background
The fresh air machine is an effective air purification device, can circulate indoor air, on one hand, discharges indoor dirty air (containing a large amount of germs, high in carbon dioxide content and low in oxygen content) outdoors, and on the other hand, inputs outdoor fresh air (low in germ content, low in carbon dioxide content and high in oxygen content) indoors after measures such as sterilization, disinfection, filtration and the like, so that the air in the room is fresh and clean air at all times. The new fan utilizes new trend convection technique, through independently supplying air and induced air, makes the room air realize the convection current to the furthest carries out the room air replacement, and the new fan built-in multi-functional clean system of putting guarantees to get into indoor air clean and healthy.
The large-scale new fan supplies air for a plurality of rooms, and is generally connected with the outside through a pipeline, and the pipeline is long, so that outdoor air can enter the pipeline, but the air in the pipeline flows too little due to the fact that a certain static pressure value is not reached, and the outdoor air is difficult to flow back to the inside of the room. However, for the small-sized fresh air fan of the window type fresh air fan, the fresh air fan is arranged on the window frame through the window frame matched with the window frame, and the fresh air fan is directly provided with the air inlet and the air outlet at two sides of the shell, so that when the fresh air fan is in a shutdown state, outdoor air can easily flow backwards into a room. The influence of the backward flow wind is often shown in that rainwater flows backward along with the wind and flows out of the fresh air machine in the rain weather, so that a room is wetted; in cold weather, cold air flows backward outdoors, so that the room temperature is reduced, and the indoor comfort is affected.
SUMMERY OF THE UTILITY MODEL
Based on above technical problem, the utility model provides a prevent window formula new fan that flows backward has solved current window formula new fan and has easily taken place outdoor wind and pour into indoor problem into.
For solving the above technical problem, the utility model discloses a technical scheme as follows:
a window type fresh air fan capable of preventing backflow comprises a shell arranged on a window frame, wherein a fresh air inlet and a return air outlet are formed in one side, located outdoors, of the shell, and the fresh air inlet and the return air outlet can be controlled to be opened and closed through a backflow preventing mechanism; the inner side of the fresh air inlet is provided with a draught fan, and the return air outlet is provided with an exhaust fan; an air outlet is arranged on one indoor side of the machine shell, and a filtering device is arranged on the inner side of the air outlet; the inner cavity of the shell is provided with a total heat exchanger for heat exchange between fresh air and return air, and the total heat exchanger and the partition plate separate the inner cavity of the shell to form an air inlet channel and a return air channel.
The utility model discloses in, the window formula new fan is installed on the window frame, and when new fan during operation, prevent flowing backward the mechanism and open new trend air intake and return air outlet, outdoor new trend passes through the draught fan and gets into from the new trend air intake, filters the back through the filter equipment after passing through full heat exchanger and gets into indoorly from the air outlet. Indoor dirty air passes through the exhaust fan and is exhausted to the outside from the return air outlet after sequentially passing through the air inlet, the filtering device and the total heat exchanger. Thereby realizing convection of the indoor air and completing the replacement of the indoor air. When the fresh air fan is stopped, the backflow preventing mechanism seals the fresh air inlet and the return air outlet, so that outdoor air cannot flow into the outdoor space through the fresh air inlet and the return air outlet, and backflow is avoided.
As a preferred mode, the backflow prevention mechanism comprises a motor horizontally fixed on the partition plate, an output shaft of the motor is connected with a screw rod, and the other end of the screw rod is rotatably connected with the inner wall of the shell; the screw rod is sleeved with a sliding block, and a through hole of the sliding block is provided with a thread matched with the screw rod; the slider is connected with the structure of keeping out the wind, and the structure front end of keeping out the wind is unanimous with new trend air intake and return air outlet's shape, and the structure front end of keeping out the wind seals it within can imbedding new trend air intake and the return air outlet.
Preferably, the wind shielding structure is a rectangular box structure with openings at the lower side and the rear side, and the sliding block is fixedly connected with one side of the rear end of the rectangular box structure.
As a preferred mode, the inner cavity of the lower end of the wind shielding structure is provided with a filter screen.
In a preferred mode, the filtering device is a three-stage filter, and the three-stage filter is formed by three-stage combination of a primary filter, a medium-efficiency filter and a high-efficiency filter.
Preferably, the casing is provided with a cover which can be opened and closed at one side of the indoor space, and the air outlet is arranged on the cover and has a grid structure.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a current window formula new fan easily take place outdoor wind and pour into indoor problem.
(2) The utility model discloses a prevent flowing backward the mechanism, when new fan during operation, prevent flowing backward the mechanism and can open new trend air intake and return air outlet and make outdoor fresh air energy get into indoorly, make indoor dirty air can discharge outdoors. When the fresh air fan is stopped, the backflow preventing mechanism can seal the fresh air inlet and the return air outlet to prevent outdoor air from flowing backwards.
(3) The utility model discloses a structure of keeping out the wind is downside and rear end open-ended rectangle box structure, slider and its rear end one side fixed connection. The opening of the part of the wind shielding structure extending out of the outdoor is downward, so that rainwater can be prevented from entering in rainy days. The air inlet and exhaust amount can be controlled by different extending distances of the wind shielding structures.
(4) The utility model discloses a structure lower extreme inner chamber keeps out the wind is equipped with the filter screen, can carry out the prefilter to outdoor new trend, also can block winged insect etc..
(5) The utility model discloses a filter equipment is tertiary filter, and tertiary filter comprises primary filter, medium efficiency filter and the tertiary union of high efficiency filter. The three-stage filters are matched with each other to filter outdoor fresh air, so that the quality of the fresh air is improved.
(6) The utility model discloses a casing is located the cover that is equipped with and can opens and shuts of indoor one side, and the air outlet is located on the cover and is the grid structure. The cover that can open and shut can make things convenient for the user to open the cover and change or clean the filter equipment of new fan, also can conveniently overhaul new fan inside. The air outlet is of a grid structure, and the grid structure is more attractive.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is a schematic closing view of the wind shielding structure.
FIG. 4 is a schematic view of the air intake when the wind shielding structure is opened.
Fig. 5 is a schematic diagram of the total heat exchanger.
The device comprises a draught fan 1, a machine shell 2, a full heat exchanger 3, an exhaust fan 4, a partition plate 5, a filtering device 6, a machine cover 7, a wind shielding structure 8, a motor 9, a sliding block 10, a screw rod 11 and a filter screen 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Example 1:
referring to fig. 1 to 4, the window type fresh air fan capable of preventing backflow comprises a casing 2 arranged on a window frame, wherein a fresh air inlet and a return air outlet are arranged on one outdoor side of the casing 2, and the fresh air inlet and the return air outlet can be controlled to be opened and closed through a backflow preventing mechanism; the inner side of the fresh air inlet is provided with a draught fan 1, and the return air outlet is provided with an exhaust fan 4; an air outlet is arranged on one indoor side of the machine shell 2, and a filtering device 6 is arranged on the inner side of the air outlet; the inner cavity of the shell 2 is provided with a total heat exchanger 3 for heat exchange between fresh air and return air, and the total heat exchanger 3 and the partition plate 5 separate the inner cavity of the shell 2 to form an air inlet channel and a return air channel.
The window type fresh air fan is arranged on a window frame, when the fresh air fan works, the backflow preventing mechanism opens the fresh air inlet and the return air outlet, outdoor fresh air enters from the fresh air inlet through the induced draft fan 1, and then enters indoors after being filtered by the full heat exchanger 3 through the filter device 6. Indoor dirty air passes through the exhaust fan 4 and is exhausted to the outside from the return air outlet after passing through the air inlet, the filtering device 6 and the total heat exchanger 3 in sequence. Thereby realizing convection of the indoor air and completing the replacement of the indoor air. When the fresh air fan is stopped, the backflow preventing mechanism seals the fresh air inlet and the return air outlet, so that outdoor air cannot flow into the outdoor space through the fresh air inlet and the return air outlet, and backflow is avoided.
As can be seen from fig. 5, the total heat exchanger 3 is composed of mutually staggered air ducts, and both when fresh outdoor air enters the room and when dirty indoor air is discharged, the fresh outdoor air passes through the total heat exchanger 3. Both can carry out the heat exchange in the wind channel of total heat exchanger 3, and the purpose is, when the indoor cold wind that opens in summer, outdoor air temperature is higher than indoor, through total heat exchanger 3, and the heat of outdoor high temperature new trend passes to the low temperature return air to reduce outdoor new trend temperature. When the indoor warm air in winter, outdoor air temperature is lower than indoor, and through total heat exchanger 3, the high return air of indoor temperature passes to microthermal outdoor new trend with the heat to increase outdoor new trend temperature. The temperature of indoor return air and outdoor fresh air can be approximately consistent by utilizing the total heat exchanger 3, the energy consumption of the air conditioner is reduced, and the energy is saved.
In the present embodiment, it is preferred that,
example 2:
referring to fig. 1 to 4, the window type fresh air fan capable of preventing backflow comprises a casing 2 arranged on a window frame, wherein a fresh air inlet and a return air outlet are arranged on one outdoor side of the casing 2, and the fresh air inlet and the return air outlet can be controlled to be opened and closed through a backflow preventing mechanism; the inner side of the fresh air inlet is provided with a draught fan 1, and the return air outlet is provided with an exhaust fan 4; an air outlet is arranged on one indoor side of the machine shell 2, and a filtering device 6 is arranged on the inner side of the air outlet; the inner cavity of the shell 2 is provided with a total heat exchanger 3 for heat exchange between fresh air and return air, and the total heat exchanger 3 and the partition plate 5 separate the inner cavity of the shell 2 to form an air inlet channel and a return air channel.
Furthermore, the backflow preventing mechanism comprises a motor 9 horizontally fixed on the partition plate 5, an output shaft of the motor 9 is connected with a screw rod 11, and the other end of the screw rod 11 is rotatably connected with the inner wall of the shell 2; a sliding block 10 is sleeved on the screw rod 11, and a thread matched with the screw rod 11 is arranged in a through hole of the sliding block 10; the slider 10 is connected with the structure of keeping out the wind 8, and the shape that 8 front ends of structure of keeping out the wind are unanimous with new trend air intake and return air outlet, and 8 front ends of structure of keeping out the wind seal it in can imbedding new trend air intake and return air outlet.
Furthermore, the wind shielding structure 8 is a rectangular box structure with an opening at the lower side and the rear side, and the slider 10 is fixedly connected with one side of the rear end. The opening of the part of the wind shielding structure 8 extending out of the outdoor is downward, so that rainwater can be prevented from entering in rainy days. The air inlet and exhaust amount can be controlled by different extending distances of the wind shielding structure 8.
Furthermore, the inner cavity of the lower end of the wind shielding structure 8 is provided with a filter screen 12, so that outdoor fresh air can be preliminarily filtered, and winged insects and the like can be blocked.
Further, the filtering device 6 is a third-stage filter, and the third-stage filter is formed by combining a primary filter, a medium-efficiency filter and a high-efficiency filter in a three-stage mode. The three-stage filters are matched with each other to filter outdoor fresh air, so that the quality of the fresh air is improved.
Furthermore, a cover 7 which can be opened and closed is arranged on one indoor side of the casing 2, and the air outlet is arranged on the cover 7 and is of a grid structure. The cover 7 that can open and shut can make things convenient for the user to open the cover 7 and change or clean the filter equipment 6 of new fan, also can conveniently overhaul new fan inside. The air outlet is of a grid structure, and the grid structure is more attractive.
The other parts of this embodiment are the same as embodiment 1, and are not described herein again.
The embodiment of the present invention is the above. The above embodiments and the specific parameters in the embodiments are only for the purpose of clearly showing the verification process of the utility model, and are not used to limit the patent protection scope of the utility model, the patent protection scope of the utility model is still subject to the claims, all the equivalent structural changes made by using the contents of the specification and the drawings of the utility model are included in the protection scope of the utility model.
Claims (6)
1. The utility model provides a prevent new fan of window formula of flowing backward, includes casing (2) that are used for installing above the window frame, its characterized in that: the fresh air inlet and the return air outlet are arranged on one outdoor side of the casing (2) and can be controlled to be opened and closed through the backflow prevention mechanism; an induced draft fan (1) is arranged on the inner side of the fresh air inlet, and an exhaust fan (4) is arranged at the return air outlet; an air outlet is formed in one indoor side of the shell (2), and a filtering device (6) is arranged on the inner side of the air outlet; casing (2) inner chamber is installed and is supplied new trend and return air to carry out full heat exchanger (3) of heat exchange, full heat exchanger (3) and baffle (5) separate casing (2) inner chamber and form inlet air channel and return air passageway.
2. The window type fresh air fan capable of preventing backflow as claimed in claim 1, wherein: the backflow preventing mechanism comprises a motor (9) horizontally fixed on the partition plate (5), an output shaft of the motor (9) is connected with a screw rod (11), and the other end of the screw rod (11) is rotatably connected with the inner wall of the shell (2); the screw (11) is sleeved with a sliding block (10), and a through hole of the sliding block (10) is provided with a thread matched with the screw (11); slider (10) are connected with structure (8) keep out the wind, structure (8) front end keeps out the wind is unanimous with new trend air intake and return air outlet's shape, structure (8) front end keeps out the wind seals it within can imbedding new trend air intake and the return air outlet.
3. The window type fresh air fan capable of preventing backflow as claimed in claim 2, wherein: the wind shielding structure (8) is a rectangular box structure with the lower side and the rear side open, and the sliding block (10) is fixedly connected with one side of the rear end of the sliding block.
4. The window type fresh air fan capable of preventing backflow as claimed in claim 3, wherein: and a filter screen (12) is arranged in the inner cavity at the lower end of the wind shielding structure (8).
5. The window type fresh air fan capable of preventing backflow as claimed in claim 1, wherein: the filtering device (6) is a third-level filter, and the third-level filter is formed by combining a primary filter, a medium-efficiency filter and a high-efficiency filter in a three-level mode.
6. The window type fresh air fan capable of preventing backflow as claimed in claim 1, wherein: the machine shell (2) is arranged on one indoor side and provided with a cover (7) capable of opening and closing, and the air outlet is arranged on the cover (7) and is a grid mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921067082.6U CN210980239U (en) | 2019-07-09 | 2019-07-09 | Prevent window formula new fan that flows backward |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921067082.6U CN210980239U (en) | 2019-07-09 | 2019-07-09 | Prevent window formula new fan that flows backward |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210980239U true CN210980239U (en) | 2020-07-10 |
Family
ID=71421763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921067082.6U Expired - Fee Related CN210980239U (en) | 2019-07-09 | 2019-07-09 | Prevent window formula new fan that flows backward |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210980239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981617A (en) * | 2020-08-28 | 2020-11-24 | 贾刘庆 | Rolling insertion type embedded ventilator |
| CN113483403A (en) * | 2021-07-16 | 2021-10-08 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method |
-
2019
- 2019-07-09 CN CN201921067082.6U patent/CN210980239U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981617A (en) * | 2020-08-28 | 2020-11-24 | 贾刘庆 | Rolling insertion type embedded ventilator |
| CN113483403A (en) * | 2021-07-16 | 2021-10-08 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method |
| CN113483403B (en) * | 2021-07-16 | 2024-10-25 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204574262U (en) | Fresh air conditioner | |
| CN204084598U (en) | Multifuctional air conditioning system | |
| CN209131059U (en) | A kind of efficient fresh air purified scavenger | |
| CN210980239U (en) | Prevent window formula new fan that flows backward | |
| CN111351218A (en) | Air-purifying's electric fan heater | |
| CN109579208B (en) | Comfortable energy-saving fresh air machine and adjusting method thereof | |
| CN201100719Y (en) | Cooling-only air-conditioning fan | |
| CN203704238U (en) | Fresh air fan function exchange principle and application thereof | |
| CN108087985A (en) | Cabinet air-conditioner and with its air conditioner | |
| CN210267622U (en) | New fan | |
| CN212719996U (en) | Split type fresh air conditioner | |
| CN207962866U (en) | Cabinet air-conditioner and air conditioner with it | |
| CN112484208A (en) | Integrated ventilation formula unit curtain wall | |
| CN106088988A (en) | Dust-proof ventilation environment protection ventilating sterilization window | |
| CN208280857U (en) | A kind of window frame equipped with stealthy new blower | |
| CN214370639U (en) | Dustproof effectual factory building cooling device | |
| CN212362330U (en) | Top-return air type total heat exchanger | |
| CN212777757U (en) | Ground return air type full heat exchanger | |
| CN204693670U (en) | A kind of indoor new wind air purifier with wind regime switching mechanism | |
| CN216667894U (en) | New fan convenient to renew cartridge more | |
| CN207962880U (en) | Cabinet air-conditioner and air conditioner with it | |
| CN209558606U (en) | Intelligent control fresh air fan | |
| CN215983009U (en) | New fan that possesses structure of preventing flowing backward | |
| CN2387292Y (en) | Cold/warm fan | |
| CN219656227U (en) | Ultra-low energy consumption total heat exchange fresh air purification system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |