CN213364808U - Hall induction type air flow indicator - Google Patents
Hall induction type air flow indicator Download PDFInfo
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- CN213364808U CN213364808U CN202021622483.6U CN202021622483U CN213364808U CN 213364808 U CN213364808 U CN 213364808U CN 202021622483 U CN202021622483 U CN 202021622483U CN 213364808 U CN213364808 U CN 213364808U
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Abstract
The utility model discloses a Hall induction type air flow indicator, which comprises a structure base, a central shaft, a fan impeller, a turntable, a Hall induction structure and a signal wire; the top of the structure base is sealed, the bottom of the structure base is sealed, and the center of the structure base is provided with a through hole; the center shaft is installed on the central line of structure base, and the lower extreme of center shaft extends out from the through-hole of structure base bottom. The utility model has the advantages that: the technical scheme has a simple structure, can effectively and accurately measure and reflect wind speed data, and has obvious market utilization value.
Description
Technical Field
The utility model relates to a wind speed technical field especially relates to a hall induction type air flow indicator.
Background
At present, the detection of wind speed adopts the ribbon basically to observe the size of wind speed through the range estimation, and the deviation of the result of range estimation is great, and data are inaccurate, consequently, just must develop a measure accurate and convenient hall induction type air flow indicator, through the retrieval, not discover with the utility model discloses the same technical scheme.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a measure accurate and convenient hall induction type air flow indicator, solves one or more among the above-mentioned prior art problem.
In order to solve the technical problem, the utility model discloses a technical scheme be: a Hall induction type air flow indicator is characterized in that: comprises that
The structure comprises a structure base, a top seal of the structure base, a bottom seal of the structure base and a through hole arranged in the center of the bottom seal;
the central shaft is arranged on the central line of the structural base, the lower end of the central shaft extends out of the through hole at the bottom of the structural base, the middle part of the central shaft is also nested with a bearing, and the bearing is positioned in the structural base and is connected with the inner wall at the bottom of the structural base;
the fan impeller is fixedly connected with the bottom of the central shaft;
the turntable is fixedly connected with the top of the central shaft and comprises a screw cap in threaded connection with the top of the central shaft and an annular disc arranged on the side surface of the screw cap, and the disc comprises a ceramic bearing fixedly connected with the screw cap and a magnet ring arranged on the outer side surface of the ceramic bearing;
the Hall sensing structure comprises a Hall positioning plate, the Hall positioning plate is positioned in a gap between the top of the central shaft and the top of the structure base, second connecting units are arranged on two sides of the Hall positioning plate, one end of each second connecting unit is fixedly connected with the Hall positioning plate, the other end of each second connecting unit is fixedly connected with the inner wall of the structure base, and the Hall sensing structure further comprises a Hall sensor which is arranged at the edge of the bottom surface of the Hall positioning plate;
and one end of the signal wire penetrates through the Hall positioning plate from the upper surface of the Hall positioning plate to be electrically connected with the Hall sensor, and the other end of the signal wire extends to the outside of the structure base.
In some embodiments, the top edge of the structural base is provided with assembly screw holes.
In some embodiments, the assembly screw hole is concave cylindrical.
In some embodiments, the fan wheel is threaded to the bottom of the central shaft.
In some embodiments, the turntable is threadedly connected to the top of the central shaft.
The utility model has the advantages that: the technical scheme has a simple structure, can effectively and accurately measure and reflect wind speed data, and has obvious market utilization value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced 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 without inventive work, wherein:
fig. 1 is a schematic structural diagram of a hall-sensing air flow indicator according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the embodiment of the present invention includes:
a Hall induction type air flow indicator comprises a structure base 1, a central shaft 2, a fan impeller 3, a turntable 4, a Hall induction structure and a signal wire 10; the top of the structure base 1 is sealed, the bottom of the structure base 1 is sealed, and the center of the structure base 1 is provided with a through hole; the central shaft 2 is arranged on the central line of the structural base 1, the lower end of the central shaft 2 extends out of a through hole at the bottom of the structural base 1, the middle part of the central shaft 2 is also nested with a bearing 6, and the bearing 6 is positioned in the structural base 1 and is connected with the inner wall at the bottom of the structural base 1; the fan impeller 3 is fixedly connected with the bottom of the central shaft 2; the rotary table is fixedly connected with the top of the central shaft 2, the rotary table comprises a screw cap 7 in threaded connection with the top of the central shaft 2 and an annular disc arranged on the side face of the screw cap 7, and the disc comprises a ceramic bearing 41 fixedly connected with the screw cap and a magnet ring 42 arranged on the outer side surface of the ceramic bearing 41; the Hall sensing structure comprises a Hall positioning plate 5, wherein the Hall positioning plate 5 is positioned in a gap between the top of a central shaft 2 and the top of a structure base 1, second connecting units are arranged on two sides of the Hall positioning plate 5, one end of each second connecting unit is fixedly connected with the Hall positioning plate 5, the other end of each second connecting unit is fixedly connected with the inner wall of the structure base 1, the Hall sensing structure further comprises a Hall sensor 8, and the Hall sensor 8 is arranged at the edge of the bottom surface of the Hall positioning plate; one end of the signal wire 10 penetrates through the hall positioning plate 5 from the upper surface of the hall positioning plate 5 to be electrically connected with the hall sensor 8, and the other end of the signal wire 10 extends to the outside of the structure base 1.
The working principle of the technical scheme is as follows: after this technical scheme installation is accomplished, blows fan wheel 3 and rotates under the effect of outside wind regime, and fan wheel 3 drives carousel 4 through the transmission of center pin 2 and rotates together, and hall inductor 8 counts through the change in magnetic field, so counts repeatedly to carry out the conversion of rotational speed and wind speed through signal line 10 with data transmission to external equipment, embody the wind speed digitization from this.
The top edge of structure base 1 is equipped with assembly screw hole 9, and assembly screw hole 9 is the cylindricality of indent, and this technical scheme makes things convenient for the installation of this equipment, has improved the suitability.
Carousel 4 and 2 top threaded connection of center pin, this technical scheme has made things convenient for the dismantlement and the installation of carousel 4, the convenient maintenance.
The utility model has the advantages that: the technical scheme has a simple structure, can effectively and accurately measure and reflect wind speed data, and has obvious market utilization value.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (5)
1. A hall-induction air flow indicator, characterized by: comprises that
The structure comprises a structure base (1), the top of the structure base (1) is sealed, the bottom of the structure base (1) is sealed, and a through hole is formed in the center of the structure base;
the central shaft (2) is installed on the central line of the structural base (1), the lower end of the central shaft (2) extends out of a through hole in the bottom of the structural base (1), a bearing (6) is further nested in the middle of the central shaft (2), and the bearing (6) is located in the structural base (1) and connected with the inner wall of the bottom of the structural base (1);
the fan impeller (3) is fixedly connected with the bottom of the central shaft (2);
the rotary table is fixedly connected with the top of the central shaft (2), the rotary table comprises a screw cap (7) in threaded connection with the top of the central shaft (2) and an annular disc arranged on the side face of the screw cap (7), and the disc comprises a ceramic bearing (41) fixedly connected with the screw cap and a magnet ring (42) arranged on the outer side surface of the ceramic bearing (41);
the Hall sensing structure comprises a Hall positioning plate (5), wherein the Hall positioning plate (5) is positioned in a gap between the top of the central shaft (2) and the top of the structure base (1), second connecting units are arranged on two sides of the Hall positioning plate (5), one end of each second connecting unit is fixedly connected with the Hall positioning plate (5), the other end of each second connecting unit is fixedly connected with the inner wall of the structure base (1), the Hall sensing structure further comprises a Hall sensor (8), and the Hall sensor (8) is installed on the edge of the bottom surface of the Hall positioning plate;
and one end of the signal wire (10) penetrates through the Hall positioning plate (5) from the upper surface of the Hall positioning plate (5) and is electrically connected with the Hall sensor (8), and the other end of the signal wire (10) extends to the outside of the structure base (1).
2. A hall-induction air flow indicator as claimed in claim 1, wherein: the top edge of the structure base (1) is provided with an assembly screw hole (9).
3. A hall-induction air flow indicator as claimed in claim 2, wherein: the assembling screw hole (9) is in a concave cylindrical shape.
4. A hall-induction air flow indicator as claimed in claim 1, wherein: the fan impeller (3) is in threaded connection with the bottom of the central shaft (2).
5. A hall-induction air flow indicator as claimed in claim 1, wherein: the rotary table (4) is in threaded connection with the top of the central shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622483.6U CN213364808U (en) | 2020-08-06 | 2020-08-06 | Hall induction type air flow indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622483.6U CN213364808U (en) | 2020-08-06 | 2020-08-06 | Hall induction type air flow indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213364808U true CN213364808U (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021622483.6U Active CN213364808U (en) | 2020-08-06 | 2020-08-06 | Hall induction type air flow indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213364808U (en) |
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2020
- 2020-08-06 CN CN202021622483.6U patent/CN213364808U/en active Active
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