CN217304034U - Impeller type air volume detection device - Google Patents
Impeller type air volume detection device Download PDFInfo
- Publication number
- CN217304034U CN217304034U CN202221253686.1U CN202221253686U CN217304034U CN 217304034 U CN217304034 U CN 217304034U CN 202221253686 U CN202221253686 U CN 202221253686U CN 217304034 U CN217304034 U CN 217304034U
- Authority
- CN
- China
- Prior art keywords
- frame
- impeller
- adjusting
- rotating shaft
- jackscrew
- 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.)
- Active
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses an impeller type air quantity detection device, which relates to the technical field of air quantity monitoring devices, and mainly comprises a shell, a frame, a rotating shaft, an impeller, an adjusting mechanism and a detection circuit board; the frame is arranged in the shell; the adjusting mechanisms are arranged on the frame and positioned at two ends of the rotating shaft, and the middle part of the rotating shaft is provided with the impeller; and the detection circuit board is provided with a photoelectric switch. The adjusting mechanism is used for adjusting the clamping force on the rotating shaft, so that the impeller can rotate smoothly without falling off.
Description
Technical Field
The utility model relates to an amount of wind monitoring devices technical field especially relates to an impeller formula amount of wind detection device.
Background
In the power-supply type positive pressure biological protection equipment or the power-exhaust type negative pressure biological protection equipment, normal air volume is the key for maintaining positive pressure or negative pressure and reasonable fresh air volume, wherein the typical power-supply type biological protection equipment comprises positive pressure biological protection clothes (CN205093614U), a positive pressure biological protection hood (CN104383649A) and the like, and the power-exhaust type biological protection equipment comprises negative pressure isolation hoods (CN208260027U and CN212522770U), a negative pressure isolation cabin (CN207913788U) and the like. Particularly, positive pressure biological protective clothing, positive pressure biological protective head covers, negative pressure isolation head covers and the like are applied to personal protective equipment, and the power air supply/exhaust device is required to be compact in structure, light in weight and portable, and correspondingly, the air volume detection assembly is required to be small in size. In the traditional air volume detection, an air velocity sensor is used for detecting air velocity, and then the air velocity is multiplied by the sectional area of a pipeline to be converted into air volume, but a straight pipe section required by the air velocity detection is difficult to ensure in a compact structure, so that the air volume cannot be accurately reflected at the position of the air velocity sensor due to turbulent flow.
Disclosure of Invention
For solving the technical problem, the utility model provides an impeller formula amount of wind detection device has realized miniaturized embedded amount of wind detection device, and the mountable is in power send/exhaust device fan export section air pipe department to the control circuit of cooperation power send/exhaust device obtains the amount of wind.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides an impeller type air quantity detection device, which comprises a shell, a frame, a rotating shaft, an impeller, an adjusting mechanism and a detection circuit board; the frame is arranged in the shell; the adjusting mechanisms are arranged on the frame and positioned at two ends of the rotating shaft, and the middle part of the rotating shaft is provided with the impeller; and the detection circuit board is provided with a photoelectric switch.
Optionally, the adjusting mechanism includes an adjusting jackscrew, a spring jackscrew seat and a thimble cup; the outer wall of the spring jackscrew seat is connected with the frame; the adjusting jackscrew is of a cylindrical structure, and a rotary groove is formed in the outer bottom of the adjusting jackscrew; the adjusting jackscrew is in threaded connection with the spring jackscrew seat, and the spring is arranged in the adjusting jackscrew; the ejector pin cup is arranged in the adjusting jackscrew and is positioned between the spring and the rotating shaft.
Optionally, the opening of the adjusting jackscrew is arranged in a shrinking manner so as to prevent the thimble cup from falling out.
Optionally, a fixing groove is formed in the inner wall of the shell, and two sides of the frame are arranged in the fixing groove.
Optionally, the frame is of a rectangular structure, a through hole is respectively formed in the middle of the upper end and the lower end of the frame, and the adjusting mechanism is arranged in the through hole.
Optionally, the impeller includes a plurality of blades, a flat plate parallel to the rotating shaft is disposed at a blade tip end of each blade, and the light-emitting and light-sensing planes of the photoelectric switches are parallel to the flat plate and are aligned with the center of the flat plate in the axial direction.
The utility model discloses for prior art gain following technological effect:
the impeller type air quantity detection device in the utility model mainly comprises a shell, a frame, a rotating shaft, an impeller, an adjusting mechanism and a detection circuit board; the adjusting mechanism is used for adjusting the clamping force on the rotating shaft, so that the impeller can rotate smoothly without falling off.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an impeller type air volume detecting device of the present invention;
fig. 2 is a schematic view of the sectional structure of the impeller type air volume detecting device of the present invention.
Description of reference numerals: 1. a housing; 2. fixing grooves; 3. a frame; 4. an impeller; 5. adjusting a jackscrew; 6. a spring; 7. a thimble cup; 8. a rotating shaft; 9. detecting the circuit board; 10. and a spring wire jacking seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 2, the present embodiment provides an impeller type air volume detecting device, which includes a housing 1, a frame 3, a rotating shaft 8, an impeller 4, an adjusting mechanism, and a detecting circuit board 9; the frame 3 is arranged in the shell 1; the adjusting mechanism is arranged on the frame 3 and positioned at two ends of the rotating shaft 8, and the middle part of the rotating shaft 8 is provided with an impeller 4; the detection circuit board 9 is provided with a photoelectric switch.
In the present embodiment, the adjusting mechanism includes an adjusting jack 5, a spring 6, a spring jack seat 10 and a thimble cup 7; the outer wall of the spring wire jacking seat 10 is connected with the frame 3; the adjusting jackscrew 5 is of a cylindrical structure, and a rotary groove is formed in the outer bottom of the adjusting jackscrew 5; the adjusting jackscrew 5 is in threaded connection with the spring jackscrew seat 10, and the spring 6 is arranged in the adjusting jackscrew 5; the thimble cup 7 is arranged in the adjusting jackscrew 5 and is positioned between the spring 6 and the rotating shaft 8. The opening of the adjusting jackscrew 5 is arranged in a shrinking mode to prevent the thimble cup 7 from falling off. The clamping force of the rotating shaft 8 is adjusted by inserting the screwdriver into the rotary groove to rotate the adjusting jackscrew 5 so as to adjust the pretightening force of the spring 6. After the adjustment is completed, the adjusting jackscrew 5 and the spring jackscrew seat 10 can be fixed by glue.
The casing 1 is a part of the pipeline of the equipment, and is generally made of plastic, the inner wall of the casing 1 is provided with a fixing groove 2, and two sides of the frame 3 are arranged in the fixing groove 2.
The frame 3 is of a rectangular structure, a through hole is respectively arranged in the middle of the upper end and the lower end of the frame 3, and the adjusting mechanism is arranged in the through hole.
The impeller 4 includes a plurality of blades, the blade tip ends of which are provided with flat plates parallel to the rotating shaft 8, and the light emitting and light sensing planes of the photoelectric switches are parallel to the flat plates and are aligned with the center in the axial direction. The rotating shaft 8 is also provided with a shaft seat, and the impeller 4 is arranged on the shaft seat. The impeller 4, the shaft seat and the rotating shaft 8 are fixedly arranged.
The shaft seat, the frame 3 and the impeller 4 are all made of aluminum alloy. The adjusting jackscrew 5 and the spring jackscrew seat 10 are both made of copper materials. The thimble cup 7 is made of ruby. The shaft 8 and the spring 6 are made of stainless steel.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. An impeller type air quantity detection device is characterized by comprising a shell, a frame, a rotating shaft, an impeller, an adjusting mechanism and a detection circuit board; the frame is arranged in the shell; the adjusting mechanisms are arranged on the frame and positioned at two ends of the rotating shaft, and the middle part of the rotating shaft is provided with the impeller; and the detection circuit board is provided with a photoelectric switch.
2. The impeller type air volume detecting device according to claim 1, wherein the adjusting mechanism comprises an adjusting jackscrew, a spring jackscrew seat and a thimble cup; the outer wall of the spring jack screw seat is connected with the frame; the adjusting jackscrew is of a cylindrical structure, and a rotary groove is formed in the outer bottom of the adjusting jackscrew; the adjusting jackscrew is in threaded connection with the spring jackscrew seat, and the spring is arranged in the adjusting jackscrew; the ejector pin cup is arranged in the adjusting jackscrew and is positioned between the spring and the rotating shaft.
3. The impeller type air volume detecting device according to claim 2, wherein the opening of the adjusting jackscrew is inwardly contracted to prevent the ejector pin cup from being removed.
4. The vane wheel type air volume detecting device according to claim 1, wherein fixing grooves are provided on an inner wall of the casing, and both sides of the frame are provided in the fixing grooves.
5. The impeller type air volume detecting device according to claim 1, wherein the frame has a rectangular structure, a through hole is formed in each of the middle portions of the upper and lower ends of the frame, and the adjusting mechanism is disposed in the through hole.
6. The impeller type air volume detecting device according to claim 1, wherein the impeller includes a plurality of blades, tip ends of the blades are provided with flat plates parallel to the rotating shaft, and light emitting and light sensing planes of the photoelectric switches are parallel to the flat plates and are aligned with the center in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253686.1U CN217304034U (en) | 2022-05-24 | 2022-05-24 | Impeller type air volume detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253686.1U CN217304034U (en) | 2022-05-24 | 2022-05-24 | Impeller type air volume detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217304034U true CN217304034U (en) | 2022-08-26 |
Family
ID=82919469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221253686.1U Active CN217304034U (en) | 2022-05-24 | 2022-05-24 | Impeller type air volume detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217304034U (en) |
-
2022
- 2022-05-24 CN CN202221253686.1U patent/CN217304034U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60217134D1 (en) | COLUMN AIR FLOW ENERGY DEVICE | |
| CN108415533A (en) | A kind of fugitive hot type big data all-in-one machine safety protective box | |
| CN217304034U (en) | Impeller type air volume detection device | |
| CN214750160U (en) | Environment monitoring sensor | |
| CN217037825U (en) | Dampproofing treatment facility of yellow river hydraulic and hydroelectric engineering equipment | |
| CN110541840A (en) | Wet-type dust fall fan wheel | |
| CN105840526B (en) | A kind of solar energy rain cap formula air exhausting device to generate electricity | |
| CN211579293U (en) | Power equipment heat abstractor for communication engineering | |
| CN114578118A (en) | Adjustable current double-Hall element current sensor | |
| CN2535590Y (en) | Low-noise centrifugal fan | |
| CN207238658U (en) | Dust-extraction unit inside a kind of robot measurement | |
| CN207798871U (en) | A kind of wind speed measuring device of large fan | |
| CN206559799U (en) | A kind of aeration radiation system | |
| CN209559922U (en) | A kind of new energy car battery electric discharge apparatus for examination and repair | |
| CN219777568U (en) | Water turbine bolt pretightening force monitoring device | |
| CN202692926U (en) | Device for measuring coaxiality of spindle and cabin cover rainproof gutter of wind generating set | |
| CN216313133U (en) | Heat dissipation device for Internet of things connection equipment | |
| CN213598209U (en) | Dustproof fan | |
| CN216437829U (en) | Outdoor on-site inspection equipment heat abstractor of photovoltaic system | |
| CN216622707U (en) | Portable semiconductor detector | |
| CN214465110U (en) | Axial flow fan wind wheel and blade thereof | |
| CN220986437U (en) | Ozone tail gas destructor temperature control device | |
| CN218975007U (en) | Wireless temperature acquisition module with protection installation shell | |
| CN210120542U (en) | Pneumatic switch | |
| CN215452111U (en) | Residential quarter is with rain-proof dampproofing type switch board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |