CN210660641U - Centrifugal ventilator with high working efficiency - Google Patents
Centrifugal ventilator with high working efficiency Download PDFInfo
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- CN210660641U CN210660641U CN201920628356.8U CN201920628356U CN210660641U CN 210660641 U CN210660641 U CN 210660641U CN 201920628356 U CN201920628356 U CN 201920628356U CN 210660641 U CN210660641 U CN 210660641U
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Abstract
The utility model relates to a fan ventilation field, concretely relates to centrifugal fan that work efficiency is high. The centrifugal ventilator comprises a shell, an impeller, a base and a driving mechanism; wherein, an inner cavity is arranged in the shell; two air inlets are formed in one side of the shell in the length direction; an air outlet is arranged in the middle of the upper part of the shell; the two impellers are arranged in the inner cavity of the shell and respectively face the two air inlets; the base is arranged on one side of the shell far away from the air inlet and is connected with the shell; the driving mechanism is arranged above the base and connected with the two impellers, so that the two impellers in the inner cavity rotate. The utility model relates to a centrifugal fan that work efficiency is high, through the setting of two air intakes and two impellers, work efficiency is high, and work effect is good.
Description
Technical Field
The utility model relates to a fan ventilation field, concretely relates to centrifugal fan that work efficiency is high.
Background
The centrifugal ventilator is a driven fluid machine which increases the gas pressure and discharges the gas by means of the input mechanical energy, the application of the fan is very wide, and the application fields are different according to different air quantities.
The centrifugal fan in the prior art is unreasonable in structure arrangement, low in working efficiency, poor in working effect and inconvenient to clean.
Therefore, it is necessary to provide a technical means to solve the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model is realized in such a way that the centrifugal ventilator with high working efficiency comprises a casing, an impeller, a base and a driving mechanism;
wherein, an inner cavity is arranged in the shell; two air inlets are formed in one side of the shell in the length direction; an air outlet is arranged in the middle of the upper part of the shell;
the two impellers are arranged in the inner cavity of the shell and respectively face the two air inlets;
the base is arranged on one side of the shell far away from the air inlet and is connected with the shell;
the driving mechanism is arranged above the base and connected with the two impellers, so that the two impellers in the inner cavity rotate.
Two air inlets are formed in one side of the shell and are driven by the two impellers, so that air supply efficiency is improved.
Preferably, the driving mechanism comprises two power output devices; the power output devices are respectively arranged above the base and connected with the two impellers, so that the two impellers in the inner cavity rotate. Alternatively, the power driving device may be provided with one power driving device, the one power driving device is provided at one side of one of the impellers and connected to the one impeller, and the other impeller is driven by the one power driving device through a belt and a rotating shaft.
Preferably, in order to improve the working efficiency, the power output device is a servo motor.
Preferably, in order to enable the two impellers to form a wind potential not to interfere with each other when the impellers work and to accelerate the wind outlet efficiency, the two air inlets are symmetrically arranged at two sides of the air outlet respectively.
Preferably, in order to prevent dust from entering the inner cavity of the casing, a dust cover is arranged on the air inlet.
Preferably, in order to clean the impeller in the inner cavity of the casing and the inner wall of the inner cavity, an access door is arranged on one side of the casing in the width direction.
Preferably, in order to facilitate observation of the working condition of the impeller in the inner cavity of the casing, the middle part of the access door is provided with a detection window.
Preferably, in order to improve the working effect of the impeller, the impeller comprises a base plate, an outer plate and blades; the middle part of the chassis is provided with a middle hole for connecting with a driving mechanism; the blades are arranged in a plurality and are annularly arranged on one side of the chassis at equal intervals by taking the middle hole as a center; the outer disc is arranged on one side of each blade far away from the base disc.
Preferably, in order to improve the air outlet efficiency and prevent the two impellers in the inner cavity from interfering with each other during air outlet, an air guide frame is arranged in the inner cavity of the casing; the air guide frame is arranged right below the air outlet.
Preferably, in order to improve the air outlet efficiency and prevent the two impellers in the inner cavity from interfering with each other during air outlet, the air guide frame comprises two arc-shaped side frames; the two arc-shaped side frames face the two impellers in the inner cavity respectively.
The utility model relates to a centrifugal ventilator with high working efficiency, which has high working efficiency and good working effect through the arrangement of two air inlets and two impellers; meanwhile, due to the arrangement of the access door and the detection window, the casing can be conveniently cleaned daily, and the impeller can be conveniently cleaned and maintained.
Drawings
Fig. 1 is a front sectional view of a centrifugal fan with high work efficiency according to the present invention;
fig. 2 is a front view of a centrifugal fan with high work efficiency according to the present invention;
fig. 3 is a back view of a centrifugal fan with high working efficiency according to the present invention;
fig. 4 is a side view of a centrifugal fan according to the present invention, which has high operation efficiency;
fig. 5 is a schematic view of an impeller of a centrifugal fan with high working efficiency.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
The preferred embodiment of the present invention is realized in such a way that a centrifugal fan with high working efficiency comprises a casing 1, an impeller 2, a base 3 and a driving mechanism 4;
wherein, an inner cavity is arranged in the casing 1; two air inlets 11 are arranged on one side of the machine shell 1 in the length direction; an air outlet 12 is arranged in the middle of the upper part of the machine shell 1;
two impellers 2 are arranged in the inner cavity of the casing 1, and the two impellers 2 are arranged opposite to the two air inlets 11 respectively;
the base 3 is arranged on one side of the machine shell 1 far away from the air inlet 11 and is connected with the machine shell 1;
the driving mechanism 4 is arranged above the base 3, and the driving mechanism 4 is connected with the two impellers 2 so as to enable the two impellers 2 in the inner cavity to rotate.
Two air inlets 11 are arranged on one side of the machine shell 1 and are driven by the two impellers 2, so that the air supply efficiency is improved.
Preferably, the driving mechanism 4 comprises two power output devices 41; the power output device 41 is respectively arranged above the base 3 and connected with the two impellers 2, so that the two impellers 2 in the inner cavity rotate. Of course, alternatively, one power driving device may be provided, the one power driving device being provided at one side of one of the impellers 2 and connected to the one impeller 2, and the other impeller 2 being driven by the one power driving device through a belt and a rotation shaft transmission.
Preferably, the power output device 41 is a servo motor to improve the working efficiency.
Preferably, in order to enable the two impellers 2 to form a wind potential not to interfere with each other when working and to accelerate the wind outlet efficiency, the two wind inlets 11 are respectively symmetrically arranged at two sides of the wind outlet.
Preferably, in order to prevent dust from entering the inner cavity of the casing 1, the air inlet 11 is provided with a dust cover (not shown).
Preferably, in order to facilitate the cleaning of the impeller 2 in the inner cavity of the casing 1 and the inner wall of the inner cavity, an access door 13 is arranged on one side of the casing 1 in the width direction.
Preferably, in order to facilitate the observation of the working condition of the impeller 2 in the inner cavity of the casing 1, a detection window 131 is provided in the middle of the access door 13.
Preferably, in order to improve the working effect of the impeller 2, the impeller 2 comprises a base plate 21, an outer plate 22 and blades 23; the middle part of the chassis 21 is provided with a middle hole 211 used for being connected with the driving mechanism 4; the blades 23 are provided in plurality, and the blades 23 are arranged on one side of the chassis 21 in an equidistant ring by taking the middle hole 211 as a center; the outer disk 22 is disposed on a side of the blades 23 away from the base disk 21.
Preferably, in order to improve the air outlet efficiency and prevent the two impellers 2 in the inner cavity from interfering with each other during air outlet, an air guide frame is arranged in the inner cavity of the casing 1; the air guide frame is arranged right below the air outlet 12.
Preferably, in order to improve the air outlet efficiency and prevent the two impellers 2 in the inner cavity from interfering with each other during air outlet, the air guide frame comprises two arc-shaped side frames; the two arc-shaped side frames face the two impellers 2 in the inner cavity respectively.
The centrifugal ventilator with high working efficiency provided by the utility model has the advantages that the working efficiency is high and the working effect is good through the arrangement of the two air inlets 11 and the two impellers 2; meanwhile, due to the arrangement of the access door 13 and the detection window, daily cleaning of the casing 1 and cleaning and maintenance of the impeller 2 are facilitated.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Centrifugal fan that work efficiency is high, its characterized in that: the centrifugal ventilator comprises a shell, an impeller, a base and a driving mechanism;
wherein, an inner cavity is arranged in the shell; two air inlets are formed in one side of the shell in the length direction; an air outlet is arranged in the middle of the upper part of the shell;
the two impellers are arranged in the inner cavity of the shell and respectively face the two air inlets;
the base is arranged on one side of the shell far away from the air inlet and is connected with the shell;
the driving mechanism is arranged above the base and connected with the two impellers, so that the two impellers in the inner cavity rotate.
2. The high efficiency centrifugal fan of claim 1, wherein: the driving mechanism comprises two power output devices; the power output devices are respectively arranged above the base and connected with the two impellers, so that the two impellers in the inner cavity rotate.
3. A centrifugal fan according to claim 2, having a high operating efficiency, wherein: the power output device is a servo motor.
4. The high efficiency centrifugal fan of claim 1, wherein: the two air inlets are respectively and symmetrically arranged at two sides of the air outlet.
5. The high efficiency centrifugal fan of claim 4 wherein: the air inlet is provided with a dust cover.
6. The high efficiency centrifugal fan of claim 1, wherein: and an access door is arranged on one side of the machine shell in the width direction.
7. The high efficiency centrifugal fan of claim 6, wherein: and a detection window is arranged in the middle of the access door.
8. The high efficiency centrifugal fan of claim 1, wherein: the impeller comprises a base plate, an outer plate and blades; the middle part of the chassis is provided with a middle hole for connecting with a driving mechanism; the blades are arranged in a plurality and are annularly arranged on one side of the chassis at equal intervals by taking the middle hole as a center; the outer disc is arranged on one side of each blade far away from the base disc.
9. The high efficiency centrifugal fan of claim 1, wherein: an air guide frame is arranged in the inner cavity of the shell; the air guide frame is arranged right below the air outlet.
10. A centrifugal fan according to claim 9, wherein the fan is operable to: the air guide frame comprises two arc-shaped side frames; the two arc-shaped side frames face the two impellers in the inner cavity respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628356.8U CN210660641U (en) | 2019-05-05 | 2019-05-05 | Centrifugal ventilator with high working efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628356.8U CN210660641U (en) | 2019-05-05 | 2019-05-05 | Centrifugal ventilator with high working efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210660641U true CN210660641U (en) | 2020-06-02 |
Family
ID=70815222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920628356.8U Active CN210660641U (en) | 2019-05-05 | 2019-05-05 | Centrifugal ventilator with high working efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210660641U (en) |
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2019
- 2019-05-05 CN CN201920628356.8U patent/CN210660641U/en active Active
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