CN211901072U - Fan and air curtain machine with same - Google Patents
Fan and air curtain machine with same Download PDFInfo
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- CN211901072U CN211901072U CN201922484246.1U CN201922484246U CN211901072U CN 211901072 U CN211901072 U CN 211901072U CN 201922484246 U CN201922484246 U CN 201922484246U CN 211901072 U CN211901072 U CN 211901072U
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Abstract
The utility model discloses a fan and be equipped with air curtain machine of this fan belongs to fan technical field, and the fan includes the casing, is equipped with at least three air outlet on the casing, is connected to a plurality of wind gaps that connect of going out bellows respectively, the wind speed in the air-out gap of balanced play bellows. Through set up a plurality of air outlets on the casing of fan, to the air outlet curtain that length is longer, can avoid the condition that wind-force is not enough to appear in the place far away from connecing the wind gap. The air curtain machine comprises an air outlet box arranged at the top of the gate and a fan connected with the air outlet box, the fan is provided with a plurality of air outlets, the air outlet box is provided with an air outlet gap along the top of the gate, and the top and two sides of the air outlet box are provided with air receiving ports; the fan includes three air outlets that are connected to the top of going out the bellows and both sides wind connection mouth respectively. The air outlets of the fan are distributed to the two sides and the top of the air outlet box, so that air flow in the air outlet box is relatively balanced, the density of the air curtain coming out from the air outlet gap is always high, and the isolation effect of the air curtain is improved.
Description
Technical Field
The utility model relates to a fan technical field, specifically speaking relates to a fan and be equipped with air curtain machine of this fan.
Background
The air curtain machine is a strong air flow generated by driving a through-flow or centrifugal wind wheel through a high-speed motor so as to form an invisible door curtain air purification device. Air curtain machines are known as air curtain machines, air curtains, air curtain machines, air brakes or air doors.
Meanwhile, the air curtain machine divides the indoor space and the outdoor space into two independent temperature areas to create a comfortable indoor environment, so that the effects of an indoor air conditioner and indoor air purification are kept, electric energy is saved, air circulation is realized, and dust, smoke, odor, insects, microorganisms and the like can be effectively isolated. Prevent cold (warm) gas outflow, both can save the power consumption and can also prevent effectively that cold (warm) gas from leaking, will indoor outer two independent temperature areas of dividing into, when the air conditioner is long-time operated, supplementary circulation adjusts the temperature, reaches energy saving and improves the purpose of environment, dustproof, the effect of protection against insects. The air circulation system of the air curtain machine with the effect of preventing smoke and harmful gas can lead various corners in a room to strongly prevent the pungent smell of oil smoke and the harmful gas such as industrial waste gas, automobile exhaust and the like from entering the room. The air circulation effect is when the air conditioner energy distribution is uneven because of the space is big in gymnasium, cinema, amusement place etc. the air circulation system function of air curtain machine reaches indoor temperature equilibrium.
The air curtain machine generally includes an air outlet box installed at the top of the gate and a fan connected to the air outlet box, such as a three-dimensional air curtain machine disclosed in chinese patent publication No. CN107120778A, and a novel air curtain machine disclosed in chinese patent publication No. CN 105485829 a.
In above current patent, the fan of air curtain machine only has an air outlet, generally connects in the side that goes out bellows, leads to the air flow rate inconsistent that the air-out gap that goes out bellows is in, and the air flow rate that is located air-out case opposite side is slower, and this can exert an influence to the isolation effect of air curtain machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fan and be equipped with air curtain machine of this fan can effectively improve the isolation effect of air curtain.
In order to achieve the above object, the utility model provides a fan includes the casing, is equipped with at least three air outlet on the casing, is connected to a plurality of wind inlets that go out bellows respectively, the wind speed in the air-out gap of balanced play bellows.
Among the above-mentioned technical scheme, through set up a plurality of air outlets on the casing of fan, to the air outlet curtain that length is longer, can avoid the condition that wind-force is not enough to appear in the place far away from the wind gap.
Preferably, the air outlets comprise three air outlets respectively connected to two sides and the top of the air outlet box, an air duct shared by the three air outlets is arranged in the shell, and the section of the air duct between every two adjacent air outlets is gradually increased along the air flow direction. The air channel comprises a first air channel section, a second air channel section and a third air channel section, the cross section of each air channel section along the air flow direction is gradually increased, the air flow speed of the air outlet can be improved, and therefore the air flow entering the air box is larger, the air flow pressure at the air outlet gap is improved, the air curtain is more stable, and the isolation effect of the air curtain is improved.
In order to balance the air outlet, the air outlets connected to the two sides of the air outlet are the same in size, and the air outlet connected to the top of the air outlet box is larger than the air outlets connected to the two sides of the air outlet box.
In order to facilitate disassembly and maintenance, preferably, a front cover and a rear cover are respectively arranged on the front side and the rear side of the shell, an impeller is arranged between the front cover and the rear cover, a motor is mounted on the rear cover, and an output shaft of the motor is connected to an impeller shaft.
In order to improve the installation stability of the fan, preferably, the bottom of the casing is provided with an installation seat, and the installation seat is provided with a screw hole for fixing.
In order to further improve the installation stability of the fan, preferably, the air outlet is provided with a connecting plate for connecting a ventilation pipeline. Preferably, the connecting plate is provided with a screw hole for fixing.
The utility model provides an air curtain machine, which comprises an air outlet box arranged at the top of a gate and a fan connected with the air outlet box, wherein the fan is provided with a plurality of air outlets, the air outlet box is provided with an air outlet gap along the top of the gate, and the top and two sides of the air outlet box are provided with air receiving ports; the fan includes three air outlets that are connected to the top of going out the bellows and both sides wind connection mouth respectively.
The air outlets of the fan are distributed to the two sides and the top of the air outlet box, so that air flow in the air outlet box is relatively balanced, the density of the air curtain coming out from the air outlet gap is always high, and the isolation effect of the air curtain is improved.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses fan and be equipped with air curtain machine of this fan for prior art, through the velocity of the wind flow in the air-out gap of balanced play bellows, can effectively improve the isolation effect of air curtain.
Drawings
Fig. 1 is a schematic structural view of an air curtain machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fan according to an embodiment of the present invention;
fig. 3 is a side view of a fan according to an embodiment of the present invention;
fig. 4 is a schematic view of a first air outlet according to an embodiment of the present invention;
fig. 5 is a schematic view of the second air outlet or the third air outlet according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described below with reference to the following embodiments and accompanying drawings.
Air curtain machine embodiment
Referring to fig. 1 to 5, the air curtain machine of this embodiment includes an air outlet box 1 installed at the top of a gate 001 and a fan 2 connected to the air outlet box 1, the air outlet box 1 is provided with an air outlet gap along the top of the gate 001, the fan 2 includes a housing 21 and three air outlets disposed on the housing 21, and the three air outlets are respectively a first air outlet 22 and a second air outlet 23 connected to two sides of the air outlet box and a third air outlet 24 connected to the top of the air outlet box 1. The sectional area of the third air outlet 24 is larger than the sectional areas of the first air outlet and the second air outlet, and the first air outlet and the second air outlet are the same in size.
This embodiment distributes to the both sides and the top of going out bellows through the air outlet with fan 2, makes the air current in the air-out case 1 relatively more balanced, and the air curtain density that comes out from the air-out gap has improved the isolation effect of air curtain always.
In order to facilitate disassembly and maintenance, the front and rear sides of the housing 21 of the present embodiment are respectively provided with a front cover 25 and a rear cover 26, an impeller 27 is provided between the front cover 25 and the rear cover 26, the rear cover 26 is provided with a motor 28, and an output shaft of the motor 28 is connected to an impeller shaft.
An air duct shared by the three air outlets is arranged in the shell 21, and the section of the air duct section between every two adjacent air outlets is gradually increased along the air flow direction. The air channel comprises a first air channel section 31, a second air channel section 32 and a third air channel section 33, the cross section of each air channel section along the air flow direction is gradually increased, and the air flow speed of the air outlet can be improved, so that the air flow entering the air box is larger, the air flow pressure at the air outlet gap is improved, the air curtain is more stable, and the isolation effect of the air curtain is improved.
In order to improve the installation stability of the blower, the bottom of the housing 21 of the present embodiment is provided with an installation seat 20, and the installation seat 20 is provided with a screw hole for fixing.
In order to further improve the installation stability of the fan, a connecting plate 29 for connecting a ventilation pipeline is arranged at each air outlet of the present embodiment. The connection plate 29 is provided with a screw hole 30 for fixing.
Fan embodiment
The fan of this embodiment is included in the above-mentioned air curtain machine embodiment, see fig. 2 to 5, the fan 2 includes a housing 21 and three air outlets disposed on the housing 21, which are respectively a first air outlet 22 connected to two sides of the air outlet box, a second air outlet 23, and a third air outlet 24 connected to the top of the air outlet box 1. The sectional area of the third air outlet 24 is larger than the sectional areas of the first air outlet and the second air outlet, and the first air outlet and the second air outlet are the same in size.
The air outlets of the fan 2 are distributed to the two sides and the top of the air outlet box, so that air flow in the air outlet box 1 is relatively balanced, the density of the air curtain coming out from the air outlet gap is always high, and the isolation effect of the air curtain is improved.
A front cover 25 and a rear cover 26 are respectively arranged at the front side and the rear side of the shell 21, an impeller 27 is arranged between the front cover 25 and the rear cover 26, a motor 28 is arranged on the rear cover 26, and an output shaft of the motor 28 is connected to an impeller shaft.
An air duct shared by the three air outlets is arranged in the shell 21, and the section of the air duct section between every two adjacent air outlets is gradually increased along the air flow direction. The air channel comprises a first air channel section 31, a second air channel section 32 and a third air channel section 33, the cross section of each air channel section along the air flow direction is gradually increased, and the air flow speed of the air outlet can be improved, so that the air flow entering the air box is larger, the air flow pressure at the air outlet gap is improved, the air curtain is more stable, and the isolation effect of the air curtain is improved.
The bottom of the housing 21 is provided with a mounting seat 20, and the mounting seat 20 is provided with a screw hole for fixing.
Each air outlet of the present embodiment is provided with a connecting plate 29 for connecting a ventilation duct. The connection plate 29 is provided with a screw hole 30 for fixing.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The fan comprises a shell and is characterized in that at least three air outlets are formed in the shell and are respectively connected to a plurality of air receiving openings of an air outlet box, and the air speed of an air outlet gap of the air outlet box is balanced.
2. The fan according to claim 1, wherein the air outlets include three air outlets respectively connected to two sides and a top of the air outlet box, an air duct shared by the three air outlets is disposed in the casing, and a cross section of the air duct section between two adjacent air outlets is gradually increased along an air flow direction.
3. The fan as claimed in claim 2, wherein the air outlets connected to both sides of the air outlet are the same in size, and the air outlet connected to the top of the air outlet box is larger than the air outlets connected to both sides of the air outlet box.
4. The fan of claim 1, wherein a front cover and a rear cover are respectively arranged on the front side and the rear side of the housing, an impeller is arranged between the front cover and the rear cover, a motor is mounted on the rear cover, and an output shaft of the motor is connected to an impeller shaft.
5. The fan of claim 1, wherein a mounting seat is provided at the bottom of the housing, and the mounting seat is provided with a screw hole for fixing.
6. The fan of claim 1, wherein the air outlet is provided with a connecting plate for connecting a ventilation duct.
7. The blower according to claim 6, wherein the connecting plate is provided with a screw hole for fixing.
8. An air curtain machine is characterized by comprising an air outlet box arranged at the top of a gate and a fan connected with the air outlet box, wherein an air outlet gap is formed in the air outlet box along the top of the gate, and air receiving ports are formed in the top and two sides of the air outlet box;
the fan is as claimed in any one of claims 1 to 7, and comprises three air outlets which are respectively connected to the top of the air outlet box and the air inlets on the two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484246.1U CN211901072U (en) | 2019-12-30 | 2019-12-30 | Fan and air curtain machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484246.1U CN211901072U (en) | 2019-12-30 | 2019-12-30 | Fan and air curtain machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901072U true CN211901072U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922484246.1U Active CN211901072U (en) | 2019-12-30 | 2019-12-30 | Fan and air curtain machine with same |
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| Country | Link |
|---|---|
| CN (1) | CN211901072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757901A (en) * | 2021-10-14 | 2021-12-07 | 水利部交通运输部国家能源局南京水利科学研究院 | Belt type high-speed low-noise air curtain machine |
-
2019
- 2019-12-30 CN CN201922484246.1U patent/CN211901072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757901A (en) * | 2021-10-14 | 2021-12-07 | 水利部交通运输部国家能源局南京水利科学研究院 | Belt type high-speed low-noise air curtain machine |
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