CN210715223U - Novel isolated air door of draught fan export - Google Patents
Novel isolated air door of draught fan export Download PDFInfo
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- CN210715223U CN210715223U CN201921708976.9U CN201921708976U CN210715223U CN 210715223 U CN210715223 U CN 210715223U CN 201921708976 U CN201921708976 U CN 201921708976U CN 210715223 U CN210715223 U CN 210715223U
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Abstract
The utility model discloses a novel draught fan outlet isolation air door, which relates to the technical field of air doors and comprises a frame, wherein a circular ventilation hole is formed in the frame, a rotating blade is arranged in the ventilation hole, a positioning plate is arranged on the outer wall of the frame, and a servo motor connected with a rotating shaft of the rotating blade is arranged on the positioning plate; the two opposite ends of the frame are respectively provided with a detection device; the detection device is used for detecting the wind speed; the utility model has the advantages of convenient use, convenient maintenance, high intelligent degree and the like.
Description
Technical Field
The utility model relates to a technical field of air door, in particular to novel isolated air door of draught fan export.
Background
The air door can be used for adjusting the amount of wind through the air door, and block passing through of wind, the ventilation volume can be adjusted through the rotating vane who rotates on the air door to the air door, and the single blade air door of full-open rotates rotating vane 90, make the ventilation volume at blade both ends the same, can reach the biggest ventilation volume like this, but this kind of single blade air door can appear after long-time the use that the blade warp or the blade takes place to become flexible with the junction of pivot, when needs are fully opened, rotate and rotate 90 degrees after, the blade does not rotate 90 degrees, lead to the ventilation volume to change, and be difficult to be perceived.
Disclosure of Invention
The utility model aims to solve the technical problem that a novel isolated air door of draught fan export is provided for the rotating vane who solves among the prior art of description takes place not hard up difficult problem of noticing after being connected with the pivot of single blade air door.
In order to achieve the above object, the present invention provides the following technical solutions: a novel induced draft fan outlet isolation air door comprises a frame, wherein a circular vent hole is formed in the frame, a rotating blade is arranged in the vent hole in a rotating mode, a positioning plate is arranged on the outer wall of the frame, and a servo motor connected with a rotating shaft of the rotating blade is arranged on the positioning plate; the two opposite ends of the frame are respectively provided with a detection device; the detection device is used for detecting the wind speed.
Preferably: the detection device comprises a through hole arranged on the frame and a support frame arranged on the outer wall of the frame, and the through hole penetrates through the frame; the wind speed detection device comprises a support frame, a wind speed detector, a wind speed detection probe and a wind speed detection device, wherein the support frame is provided with a cylinder, a piston rod of the cylinder is opposite to a through hole, the piston rod of the cylinder is provided with the wind speed detection probe, the wind speed detection probe penetrates through the through hole in a sliding mode, and the wind speed detection; two perforation of two detection device are on same straight line, and the straight line perpendicular to rotating vane place plane when the perforation was located and pass through rotating vane's centre of a circle when fully opening.
Preferably: the wind speed detector is characterized in that an electric cabinet is further arranged on the outer circumferential wall of the frame, a PLC and a plurality of control buttons are arranged in the electric cabinet, and the PLC is respectively and electrically connected with the control buttons, the servo motor, the air cylinder and the wind speed detector.
Preferably: the outer circumferential wall of the wind speed detection probe is sleeved with a layer of sealing ring, and the sealing ring is used for blocking a gap between the wind speed detection probe and the through hole.
Preferably: the sealing ring is in a circular truncated cone shape, and the diameter of one end, close to the air cylinder, of the sealing ring is larger than that of one end, far away from the air cylinder, of the sealing ring.
The beneficial effect of adopting above technical scheme is:
this application has set up two detection device, and the wind speed test probe through among two detection device can detect, and when the air door was opened entirely, the wind speed of ventilation hole was passed through to the rotating vane both sides, and is different when the wind speed, then explains that rotating vane has taken place the slope to this judges whether rotating vane is not hard up or warp.
Drawings
Fig. 1 is a front view of the novel draft fan outlet isolation air door of the present invention.
Fig. 2 is a front view of the wind speed detecting probe of the present invention.
Wherein: the wind speed detection device comprises a frame 10, a vent hole 11, a positioning plate 12, a servo motor 13, a rotating blade 14, a detection device 20, a through hole 21, a wind speed detection probe 22, a wind speed detector 23, a support frame 24, a cylinder 25, an electric cabinet 30 and a sealing ring 40.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the embodiment, as shown in fig. 1-2, in the embodiment, a novel induced draft fan outlet isolation air door includes a frame 10, a circular ventilation hole 11 is formed in the frame 10, a rotating blade 14 is rotatably disposed in the ventilation hole 11, a positioning plate 12 is disposed on an outer wall of the frame 10, and a servo motor 13 connected to a rotating shaft of the rotating blade 14 is disposed on the positioning plate 12; the two opposite ends of the frame 10 are respectively provided with a detection device 20; the detection device 20 is used to detect wind speed.
Preferably: the detection device 20 comprises a through hole 21 arranged on the frame 10 and a support frame 24 arranged on the outer wall of the frame 10, and the through hole 21 penetrates through the frame 10; the supporting frame 24 is provided with an air cylinder 25, a piston rod of the air cylinder 25 is opposite to the through hole 21, the piston rod of the air cylinder 25 is provided with an air speed detection probe 22, the air speed detection probe 22 penetrates through the through hole 21 in a sliding mode, and the air speed detection probe 22 is electrically connected with an air speed detector 23 arranged on the outer wall of the frame 10; the two through holes 21 of the two detection devices 20 are on the same straight line, and the straight line of the through holes 21 is perpendicular to the plane of the rotary blade 14 when fully opened and passes through the center of the rotary blade 14.
Preferably: the outer circumferential wall of the frame 10 is further provided with an electric cabinet 30, a PLC (programmable logic controller), a loudspeaker and a plurality of control buttons are arranged in the electric cabinet 30, and the PLC is electrically connected with the control buttons, the servo motor 13, the air cylinder 25, the wind speed detector 23 and the loudspeaker respectively.
Preferably: the outer circumferential wall of the wind speed detection probe 22 is sleeved with a layer of sealing ring 40, and the sealing ring 40 is used for blocking a gap between the wind speed detection probe 22 and the through hole 21.
Preferably: the sealing ring 40 is in a circular truncated cone shape, and the diameter of one end, close to the cylinder 25, of the sealing ring 40 is larger than that of the end, far away from the cylinder 25, of the sealing ring.
The specific implementation manner of this embodiment:
each power consumption part in this application passes through industrial electricity power supply, and control button in this application is used for controlling the start-up and closing of servo motor 13, cylinder 25 and loudspeaker.
When the wind speed detection device is used, the wind speed detection probe 22 does not extend into the vent hole 11;
when the air door needs to be fully opened, the servo motor 13 is started first, and the servo motor 13 drives the rotating blades 14 to rotate by 90 degrees, as shown in fig. 1; then starting the cylinder 25, the cylinder 25 drives the wind speed detection probe 22 to move towards the vent hole 11 in the perforation hole 21, when the wind speed detection probe 22 extends into the vent hole 11, a part of the sealing ring 40 enters the perforation hole 21 and blocks the perforation hole 21, at the moment, the wind speed detection probe 22 can detect the wind speed of the wind passing through the two sides of the rotating blade 14, and transmits the wind speed data to the wind speed detector 23, the wind speed is transmitted to the PLC through the wind speed detector 23, when the difference of the wind speed data transmitted by the two wind speed detectors 23 is greater than a set value, the PLC starts a horn, and an operator is reminded.
Wherein, when the air door is fully closed, the circumferential wall of the rotating blade 14 blocks the column perforation 21.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (5)
1. A novel induced draft fan outlet isolation air door comprises a frame, wherein a circular vent hole is formed in the frame, a rotating blade is arranged in the vent hole in a rotating mode, a positioning plate is arranged on the outer wall of the frame, and a servo motor connected with a rotating shaft of the rotating blade is arranged on the positioning plate; the method is characterized in that: the two opposite ends of the frame are respectively provided with a detection device; the detection device is used for detecting the wind speed.
2. The novel induced draft fan outlet isolation damper as claimed in claim 1, wherein the detection device comprises a perforation arranged on the frame and a support frame arranged on the outer wall of the frame, and the perforation penetrates through the frame; the wind speed detection device comprises a support frame, a wind speed detector, a wind speed detection probe and a wind speed detection device, wherein the support frame is provided with a cylinder, a piston rod of the cylinder is opposite to a through hole, the piston rod of the cylinder is provided with the wind speed detection probe, the wind speed detection probe penetrates through the through hole in a sliding mode, and the wind speed detection; two perforation of two detection device are on same straight line, and the straight line perpendicular to rotating vane place plane when the perforation was located and pass through rotating vane's centre of a circle when fully opening.
3. The novel induced draft fan outlet isolation air door as claimed in claim 2, wherein an electric cabinet is further arranged on the outer circumferential wall of the frame, a PLC controller and a plurality of control buttons are arranged in the electric cabinet, and the PLC controller is electrically connected with the control buttons, the servo motor, the air cylinder and the air speed detector respectively.
4. The novel induced draft fan outlet isolation damper as claimed in claim 3, wherein a layer of sealing ring is sleeved on the outer circumferential wall of the wind speed detection probe, and the sealing ring is used for blocking a gap between the wind speed detection probe and the perforation.
5. The novel induced draft fan outlet isolation damper as claimed in claim 4, wherein the sealing ring is in a circular truncated cone shape, and the diameter of one end of the sealing ring close to the cylinder is larger than that of the end far away from the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708976.9U CN210715223U (en) | 2019-10-14 | 2019-10-14 | Novel isolated air door of draught fan export |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708976.9U CN210715223U (en) | 2019-10-14 | 2019-10-14 | Novel isolated air door of draught fan export |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715223U true CN210715223U (en) | 2020-06-09 |
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ID=70965396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921708976.9U Active CN210715223U (en) | 2019-10-14 | 2019-10-14 | Novel isolated air door of draught fan export |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576538A (en) * | 2020-12-29 | 2021-03-30 | 王翔 | Fan air door opening and closing device |
-
2019
- 2019-10-14 CN CN201921708976.9U patent/CN210715223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576538A (en) * | 2020-12-29 | 2021-03-30 | 王翔 | Fan air door opening and closing device |
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