CN109812916B - New fan for realizing air inlet and exhaust conversion by single fan - Google Patents
New fan for realizing air inlet and exhaust conversion by single fan Download PDFInfo
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- CN109812916B CN109812916B CN201910172966.6A CN201910172966A CN109812916B CN 109812916 B CN109812916 B CN 109812916B CN 201910172966 A CN201910172966 A CN 201910172966A CN 109812916 B CN109812916 B CN 109812916B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 10
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 49
- 238000005192 partition Methods 0.000 claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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Abstract
The invention provides a fresh air machine for realizing air intake and exhaust conversion by a single fan, wherein an outdoor vent is formed in a rear panel of a machine shell, an indoor air inlet is formed in the bottom of the machine shell, two sides of a partition plate are obliquely clung to left and right panels of the machine shell, the upper edge of the partition plate is fixedly connected with the upper side of the outdoor vent, and the lower edge of the partition plate is arranged in the middle of the machine body; a fan is arranged below the partition plate and is arranged in the fan shell, and an air suction hole is formed in the rear baffle of the fan shell; the air outlet of the fan housing is arranged at the top; the fan shell is arranged in the shell through the rotating shaft, the fan shell can swing back and forth due to the rotating shaft, and the fan is communicated with air overcurrent between the outdoor ventilation opening and the PTC heater; when the fan shell swings forwards, the air of the fan communicated with the indoor air inlet and the outdoor air inlet flows through, the scheme has the advantages of few inner structural plates of the fan, simple structure and convenience in installation, and the two functions of fresh air and exhaust air can be realized by putting in one fan.
Description
Technical Field
The invention belongs to fresh air equipment, and particularly relates to a fresh air machine capable of realizing air inlet and exhaust conversion by a single fan.
Background
Along with the development of economy and the acceleration of the urban process, more and more people begin to breathe fresh air by using a fresh air fan, and the pipeline-free fresh air fan is favored by people because of the advantages of small engineering quantity, no damage to decoration and the like. In order to achieve the functions of introducing fresh air and exhausting air, two fans, an air inlet fan and an air exhaust fan, are generally arranged in a machine body. When the design is used for designing the internal structure of the machine body, different air channels are designed at the same time, and various structural plates are necessarily installed in the machine body to control the wind direction, so that the internal structure of the product can be complex, the volume of the fan is generally designed to be larger for ensuring the overcurrent air quantity, and the cost of the cabinet type fresh air fan is high frequently.
Disclosure of Invention
The invention aims to solve the problems in the prior art, achieve the aim of simplifying the internal structure of a new fan, and provide the new fan which utilizes one fan to simultaneously realize the functions of air intake and air exhaust.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A fresh air fan for realizing air inlet and exhaust conversion by a single fan, wherein an indoor air outlet is arranged on a top plate of a shell, a filter element is arranged at the inner side of the indoor air outlet, and a PTC heater is arranged below the filter element; the rear panel of the shell is provided with an outdoor vent, the bottom of the shell is provided with an indoor air inlet, the inner side of the outdoor vent is provided with a baffle plate, the two sides of the baffle plate are clung to the left panel and the right panel of the shell, the baffle plate is obliquely arranged, the upper edge of the baffle plate is fixedly connected with the upper side of the outdoor vent, and the lower edge of the baffle plate is arranged in the middle of the machine body; a fan is arranged below the partition plate and is arranged in the fan shell, and an air suction hole is formed in the rear baffle plate of the fan shell corresponding to the air suction hole of the fan; the fan shell is arranged at the top corresponding to an air outlet of the air outlet side of the fan; the fan shell is arranged in the machine body through the rotating shaft, the fan shell can swing back and forth due to the rotating shaft, when the fan shell swings forward, the rear baffle is attached to the lower edge of the partition plate, and the fan is communicated with air overcurrent between the outdoor ventilation opening and the PTC heater; when the fan shell swings forwards, the front baffle is attached to the lower edge of the partition plate, and the fan is communicated with the indoor air inlet and the air flow of the outdoor ventilation opening.
The novel fan has the advantages that the number of the internal structural plates is small, the structure is simple, the installation is convenient, the fresh air and the exhaust air can be realized by putting in one fan, the structural materials and the fans are less, the functions are complete, and the cost is greatly saved.
Preferably, the lower part of the fan shell is provided with a sealing cotton pad at two angular positions or the lower part of the front panel and the rear panel of the shell.
Preferably, the front baffle and the rear baffle of the fan shell are respectively provided with an upturned pressing bar at the opening of the top.
The inner side of the upturned pressing strip or the edge of the partition board is provided with a sealing cotton pad.
Preferably, a rack is arranged at the bottom of the left baffle or the right baffle of the fan shell, the rack is meshed with a gear, and the gear is connected with a stepping motor.
Drawings
FIG. 1 is a schematic diagram of the structure of the invention;
FIG. 2 is a left side view based on FIG. 1;
FIG. 3 is a right side view based on FIG. 1;
FIG. 4 is a view of the internal structure of the blower housing;
FIG. 5 is a diagram of the drive mechanism for fan case oscillation;
FIG. 6 is a perspective view of the internal structure of the present invention;
FIG. 7 is a fresh air state air trend diagram;
fig. 8 is an air flow chart in the exhaust state.
In the figure, an indoor air outlet 1, a filter element 2, a PTC heater 3, an outdoor ventilation opening 4, a partition plate 5, a fan shell 6, an air inlet hole 61, a folded edge 62, a rear baffle 63, a front baffle 64, an air outlet 65, a rotating shaft 7, an indoor air inlet 8, a gear ring 9, a gear 10, a motor 11 and a fan 12.
Detailed Description
In the following, the technical solutions of the present invention will be described in detail with reference to fig. 1 to 6, first, it is stated in advance that terms of orientation or positional relationship indicated by terms of "front", "rear", "left", "right", etc. used in this specification are merely for convenience of describing the present invention, and do not indicate or imply that the described devices or elements must have a specific orientation, be configured in a specific orientation, and therefore should not be construed as limiting the present invention.
The indoor air outlet 1 of the fresh air fan is of a common structure and arranged at the top of the machine shell, and the top of the machine shell can be directly designed into an open air outlet without a top plate or an air outlet can be formed in the top plate of the machine shell. The filter element 2 is necessarily arranged in the indoor air outlet 1, and in order to ensure that the air is filtered before being discharged, a medium-efficiency filter element and a high-efficiency filter element are generally arranged. The fresh air machine also has to be provided with an outdoor ventilation opening 4 for connection with the outside and an indoor air inlet 8 for the indoor air to enter the fresh air machine and to exit the outside. In order to ensure that the fresh air fan gives a gentle feel to the user, the PTC heater 3 can be used for relieving the air temperature difference when the air temperature is low, and the component is not a necessary component of the fresh air fan. The manner of achieving the control of the air outlet temperature is not limited to the PTC heater.
The invention relates to a new fan for realizing air inlet and exhaust conversion by adopting a single fan, which is designed for reducing the internal structure of a cabinet type new fan and reducing the production cost of the new fan, and has the specific structure that: the indoor air outlet 1 is arranged at the top of the machine body, the rear panel of the machine shell is provided with an outdoor vent 4, and the bottom of the machine shell is provided with an indoor air inlet 8. The inside of the outdoor vent 4 is provided with a baffle 5, two sides of the baffle 5 are clung to the left panel and the right panel of the shell, the baffle 5 is obliquely arranged, the upper edge of the baffle 5 is fixedly connected with the upper side of the outdoor vent, and the lower edge of the baffle is arranged in the middle of the machine body. Specifically, the lower edge of the baffle 5 is arranged on the longitudinal center line of the inner cavity space of the fresh air fan, and the distance between the lower edge of the baffle and the rear panel and the front panel of the machine shell is the same.
A fan 12 is arranged below the partition plate 5, the fan 12 is arranged in the fan shell 6, and an air suction hole 61 is formed in the rear baffle 63 of the fan shell 6 at a position corresponding to the air suction opening of the fan; the air outlet 65 of the fan shell 6 corresponding to the air outlet side of the fan is arranged at the top; the fan housing 6 is installed in the housing through the rotating shaft 7, the fan housing 6 can swing back and forth due to the rotating shaft 7, and the fan housing 6 switches different operation modes through swinging.
Specifically, as shown in fig. 7, when the blower housing 6 swings forward, the rear baffle 63 is attached to the lower edge of the partition, and the blower 12 communicates with the air flow between the outdoor vent 4 and the PTC heater 3, and the fresh air mode is set for the fresh air blower. As shown in fig. 8, when the fan housing 6 swings forward, the front baffle 64 is attached to the lower edge of the partition, and the fan 12 communicates with the indoor air inlet 8 and the air flow through the outdoor air outlet 4, and the fresh air fan is in an air exhaust mode.
The angle of the fan housing 6 is adjusted, and the air flow of the machine body is guided by matching with the shape switching of the fan housing. Specifically, when the fresh air fan is in the fresh air mode, the air outlet 65 of the fan housing faces the PTC heater 3, the top of the baffle plate is tightly attached to the lower edge of the partition plate, the bottom is tightly attached to the rear panel of the housing, and the air inlet (i.e., the air inlet hole 61 of the fan housing) of the fan 12 faces the outdoor vent 4.
When the fresh air fan is in the exhaust mode, the air outlet 65 of the air fan shell faces the direction of the outdoor ventilation opening 4, the top of the front baffle plate 64 is tightly attached to the lower edge of the baffle plate, the bottom of the front baffle plate is tightly attached to the front panel of the air fan shell, and the air inlet (namely the air inlet hole 61 of the air fan shell) of the air fan 12 turns to the direction of the indoor air inlet 8.
The invention only designs the structure plate for fixing the filter element and the structure for fixing the PTC heater on the upper part of the machine body, the lower half part of the machine body is an integral cavity, the fan shell is arranged, and the fan shell is of an integral structure, thus the modular installation can be carried out.
Preferably, the lower part of the fan shell is provided with a sealing cotton pad at two angular positions or the lower part of the front panel and the rear panel of the shell.
Preferably, the front baffle and the rear baffle of the fan shell are provided with upturned and everted folded edges 62 at the top. The flap 62 is turned outwardly from the body at an angle of 30 to 60 degrees.
Preferably, a gasket is provided inside the flange 62 or at the edge of the partition 5.
The connection is with pivot 7 setting in the fan shell middle part position, and fan shell below sets up step motor and gear structure and makes the fan shell rotate as the center with the pivot, and specific structure is: a gear ring 9 is fixed at the bottom of the left baffle of the fan shell 6, a gear 10 is fixed on the shaft of a motor 11, the gear 10 is meshed with the gear ring 9, and the motor 11 is fixed on a shell structural plate. The fan shell 6 is driven to rotate by the motor, so that the direction of the air outlet 65 of the fan shell is changed, the shape of the fan shell 6 is utilized to change the air flow direction in the fresh air machine, and the two functions of air inlet and air exhaust of the fresh air machine can be achieved by one fan. Of course, the driving structure can also be arranged on the right side of the fan shell, so long as the front-back rotation of the fan shell is realized.
The rotating shaft is arranged at the middle height of the fan shell, and can be practically adjusted near the position according to the distance between the baffle plate and the front and rear baffle plates of the shell.
The air trend process under the two modes of the fresh air fan provided by the invention is as follows:
Fig. 7 shows the state of the fan in the fresh air mode and the direction of air in the machine body: at this time, the position of the fan shell rotates to incline forwards, the folded edge of the rear baffle of the fan shell is clamped by the partition plate in the fan, and the partition plate plays roles in isolating air and limiting the fan shell. The air suction opening of the fan faces the outdoor ventilation opening, fresh air enters from the outdoor ventilation opening, then enters the fan from the axial direction of the fan, is discharged from the radial direction of the fan, and enters the room from the indoor air outlet under the filtering action of the filter element after being heated by the PTC.
Fig. 8 shows the state of the blower in the exhaust mode and the direction of air in the machine body at this time: at this time, the fan shell rotates to a backward inclined position, the front baffle hem of the fan shell is clamped by the baffle plate, the air suction inlet of the fan faces the indoor air inlet, indoor dirty air enters the fresh air fan from the indoor air inlet, axially enters the fresh air fan from the fan, is discharged from the fan shell, and finally is discharged to the atmosphere from the outdoor vent.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (5)
1. A fresh air fan for realizing air inlet and exhaust conversion by a single fan, wherein an indoor air outlet is arranged on a top plate of a shell, a filter element is arranged at the inner side of the indoor air outlet, and a PTC heater is arranged below the filter element; an outdoor vent is formed in the rear panel of the shell, an indoor air inlet is formed in the bottom of the shell, and the air conditioner is characterized in that: the inner side of the outdoor vent is provided with a baffle, two sides of the baffle are clung to the left panel and the right panel of the shell, the baffle is obliquely arranged, the upper edge of the baffle is fixedly connected with the upper side of the outdoor vent, the lower edge of the baffle is arranged on the longitudinal center line position of the inner cavity space of the fresh air fan, and the distance between the lower edge of the baffle and the rear panel and the front panel of the shell is the same; a fan is arranged below the partition plate and is arranged in the fan shell, and an air suction hole is formed in the rear baffle plate of the fan shell corresponding to the air suction hole of the fan; the fan shell is arranged at the top corresponding to an air outlet of the air outlet side of the fan; the motor shell is arranged in the motor shell through a rotating shaft, the motor shell can swing back and forth due to the rotating shaft, the rotating shaft is arranged at the middle waist position of the motor shell, a gear ring is fixed at the bottom of a left baffle plate of the motor shell, the gear ring is meshed with a gear arranged on a motor shaft, and the motor is fixed on a structural plate of the motor shell; when the fan shell swings forwards, the rear baffle is attached to the lower edge of the partition plate, and the fan is communicated with the air overcurrent between the outdoor ventilation opening and the PTC heater; when the fan shell swings backwards, the front baffle is attached to the lower edge of the partition plate, and the fan is communicated with the indoor air inlet and the air flow of the outdoor ventilation opening.
2. The fresh air fan for realizing air intake and exhaust conversion by using the single fan as claimed in claim 1, wherein the fresh air fan is characterized in that: the top of the front baffle and the top of the rear baffle of the fan shell are provided with upturned and everted folded edges.
3. The fresh air fan for realizing air intake and exhaust conversion by using the single fan as claimed in claim 2, wherein the fresh air fan is characterized in that: the angle of the flap relative to its body is 30 to 60 degrees.
4. The fresh air fan for realizing air intake and exhaust conversion by using the single fan as claimed in claim 3, wherein the fresh air fan is characterized in that: and a sealing cotton pad is arranged at the inner side of the folded edge and/or the edge of the partition plate.
5. The fresh air machine for converting air intake and exhaust by using the single fan according to any one of claims 1 to 4, wherein: the two angular positions of the lower part of the fan shell and/or the lower part of the front and back panels of the shell are provided with sealing cotton pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172966.6A CN109812916B (en) | 2019-03-07 | 2019-03-07 | New fan for realizing air inlet and exhaust conversion by single fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172966.6A CN109812916B (en) | 2019-03-07 | 2019-03-07 | New fan for realizing air inlet and exhaust conversion by single fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109812916A CN109812916A (en) | 2019-05-28 |
| CN109812916B true CN109812916B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910172966.6A Active CN109812916B (en) | 2019-03-07 | 2019-03-07 | New fan for realizing air inlet and exhaust conversion by single fan |
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| CN (1) | CN109812916B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006378A (en) * | 2019-12-27 | 2020-04-14 | 皓庭(唐山）环境科技有限公司 | Air outlet conversion structure of fresh air machine |
| CN114659256B (en) * | 2022-03-08 | 2023-06-27 | 江苏环亚医用科技集团股份有限公司 | Controllable air conditioner conveying device for medical institution |
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| CN203215888U (en) * | 2013-03-22 | 2013-09-25 | 杭州汉超科技有限公司 | Air heating all-in-one machine |
| CN104197489A (en) * | 2014-08-08 | 2014-12-10 | 珠海格力电器股份有限公司 | Air conditioner |
| CN104676765A (en) * | 2014-11-14 | 2015-06-03 | 胡光南 | Indoor air purifier with indoor and outdoor air exchange function |
| JP2015166662A (en) * | 2014-03-04 | 2015-09-24 | シャープ株式会社 | air conditioner |
| CN106765622A (en) * | 2016-10-31 | 2017-05-31 | 邯郸美的制冷设备有限公司 | A kind of mobile air-conditioner |
| CN207815511U (en) * | 2017-12-30 | 2018-09-04 | 广州朗思威环境科技股份有限公司 | A kind of new wind turbine of Intelligent Hybrid wind air purification wall-hanging |
| CN209605343U (en) * | 2019-03-07 | 2019-11-08 | 皓庭(唐山）环境科技有限公司 | A fresh air fan that realizes the conversion of air intake and exhaust with a single fan |
-
2019
- 2019-03-07 CN CN201910172966.6A patent/CN109812916B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203215888U (en) * | 2013-03-22 | 2013-09-25 | 杭州汉超科技有限公司 | Air heating all-in-one machine |
| JP2015166662A (en) * | 2014-03-04 | 2015-09-24 | シャープ株式会社 | air conditioner |
| CN104197489A (en) * | 2014-08-08 | 2014-12-10 | 珠海格力电器股份有限公司 | Air conditioner |
| CN104676765A (en) * | 2014-11-14 | 2015-06-03 | 胡光南 | Indoor air purifier with indoor and outdoor air exchange function |
| CN106765622A (en) * | 2016-10-31 | 2017-05-31 | 邯郸美的制冷设备有限公司 | A kind of mobile air-conditioner |
| CN207815511U (en) * | 2017-12-30 | 2018-09-04 | 广州朗思威环境科技股份有限公司 | A kind of new wind turbine of Intelligent Hybrid wind air purification wall-hanging |
| CN209605343U (en) * | 2019-03-07 | 2019-11-08 | 皓庭(唐山）环境科技有限公司 | A fresh air fan that realizes the conversion of air intake and exhaust with a single fan |
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| CN109812916A (en) | 2019-05-28 |
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Denomination of invention: A fresh air fan with a single fan for converting intake and exhaust air Granted publication date: 20240419 Pledgee: China Merchants Bank Limited by Share Ltd. Tangshan branch Pledgor: HOOTIM (TANGSHAN) ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2024980034160 |
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