CN211347199U - Novel wind pressure sensor - Google Patents
Novel wind pressure sensor Download PDFInfo
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- CN211347199U CN211347199U CN202020335153.2U CN202020335153U CN211347199U CN 211347199 U CN211347199 U CN 211347199U CN 202020335153 U CN202020335153 U CN 202020335153U CN 211347199 U CN211347199 U CN 211347199U
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- wind pressure
- pressure sensor
- rubber shell
- novel wind
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Abstract
The utility model relates to the technical field of wind pressure sensors, in particular to a novel wind pressure sensor, which comprises an air cover and a rubber shell, wherein a diaphragm, a piston sheet and a magnetic ring are arranged between the air cover and the rubber shell, the rubber shell is provided with a containing cavity for containing the magnetic ring, a coil is arranged outside the containing cavity, the coil is connected with a circuit board, and the circuit board is connected with a three-wire connector; the rubber shell is provided with a protective cover for protecting the coil and the circuit board; a large spring is arranged outside the magnetic ring, a small spring is arranged inside the magnetic ring, and the small spring is connected with an adjusting screw; the air cover is provided with a plurality of connecting columns, the rubber shell is provided with connecting holes corresponding to the connecting columns, and the air cover and the rubber shell are welded together through ultrasonic welding; the utility model provides a pair of novel wind pressure sensor can guarantee firm in connection and stable between each part, the effectual quality and the stability in use that improve the product, and the finished product qualification rate is high.
Description
Technical Field
The utility model relates to a wind pressure sensor technical field especially relates to a novel wind pressure sensor.
Background
The wind pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to various industries such as boiler air supply, dust removal equipment, water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrifaction, oil wells, electric power, ships, machine tools, pipelines and the like.
Most wind pressure sensors on the market are usually fixed by using a screw or clamping mode and the like in the assembling process, and the connection among all the parts is often found to be unstable in use, so that the overall stability is poor, and the sensitivity is poor.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a novel wind pressure sensor can guarantee firm in connection and stable between each part, the quality and the stability in use of effectual improvement product, and the finished product qualification rate is high.
In order to solve the technical problem, the utility model provides a concrete scheme as follows:
a novel wind pressure sensor comprises an air cover and a rubber shell, wherein a diaphragm, a piston sheet and a magnetic ring are arranged between the air cover and the rubber shell, an accommodating cavity for accommodating the magnetic ring is formed in the rubber shell, a coil is arranged outside the accommodating cavity, the coil is connected with a circuit board, and the circuit board is connected with a three-wire connector;
the rubber shell is provided with a protective cover for protecting the coil and the circuit board;
a large spring is arranged outside the magnetic ring, a small spring is arranged inside the magnetic ring, and the small spring is connected with an adjusting screw;
the air cap is provided with a plurality of connecting columns, the rubber shell is provided with connecting holes corresponding to the connecting columns, and the air cap and the rubber shell are welded together through ultrasonic welding.
Optionally, the visor is connected through gluing with gluing between the gluey shell, and the mode that uses to glue can guarantee the visor and glue the connection stability between the shell, also improves the pleasing to the eye degree of the whole appearance of wind pressure sensor simultaneously.
Optionally, be connected through the rivet hot between diaphragm and the piston piece, the rivet hot is connected the stability of being connected between improvement diaphragm that can be better and the piston piece, and then improves wind pressure sensor's whole stability in use.
Optionally, still be equipped with the installing support on the gluey shell, glue for dismantling between shell and the installing support and be connected, be convenient for assemble and dismantle between shell and the installing support, use the flexibility height.
Optionally, a positioning hole is formed in the rubber shell, and a positioning column corresponding to the positioning hole is arranged on the mounting bracket;
be equipped with the barb on the reference column, the design of barb can be with the quick locating hole of impressing of reference column, and is difficult for extracting, is favorable to the installation location of installing support.
Optionally, a limiting space is formed between the protective cover and the rubber shell, the coil is located in the limiting space and fixed on the protective cover, the limiting space plays a certain limiting role on the coil, and meanwhile, the coil is fixed on the protective cover, so that the installation stability of the coil is further improved.
Optionally, the three-wire connector includes a wire and a connecting end connected to the wire, and the protective cover is provided with a mounting hole for the wire to pass through;
be equipped with sealed piece in the mounting hole, ensure the leakproofness between three line connectors and the circuit board, improve wind pressure sensor's stability in use.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a novel wind pressure sensor is equipped with a plurality of spliced poles on the gas lid, is equipped with the connecting hole that corresponds with a plurality of spliced poles on gluing the shell, fixes a position gas lid and gluing the shell through spliced pole and connecting hole, is in the same place gas lid and glue between the shell through ultrasonic welding after that, guarantees the fastness and the stability of connecting, the quality and the stability in use of effectual improvement product, and the finished product percent of pass is high.
Drawings
Fig. 1 is a schematic view of an overall structure of a novel wind pressure sensor provided in an embodiment of the present invention.
Fig. 2 is an exploded view of the overall structure of a novel wind pressure sensor provided in the embodiment of the present invention.
Fig. 3 is a cross-sectional view of the novel wind pressure sensor provided in the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a mounting bracket provided in an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a sealing block provided in an embodiment of the present invention.
Wherein, 1 is an air cover; 2 is a rubber shell; 3 is a diaphragm; 4 is a piston sheet; 5 is a magnetic ring; 6 is a coil; 7 is a circuit board; 8 is a three-wire connector; 9 is a protective cover; 10 is a big spring; 11 is a small spring; 12 is an adjusting screw; 13 is a connecting column; 14 is a connecting hole; 15 is a mounting bracket; 16 is a positioning hole; 17 is a positioning column; 171 is a barb; 18 is a mounting hole; and 19 is a sealing block.
Detailed Description
In order to explain the technical solution of the present invention in detail, the following will combine the drawings of the embodiments of the present invention to perform clear and complete description on the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For example, a novel wind pressure sensor comprises an air cover and a rubber shell, wherein a diaphragm, a piston sheet and a magnetic ring are arranged between the air cover and the rubber shell, an accommodating cavity for accommodating the magnetic ring is arranged on the rubber shell, a coil is arranged outside the accommodating cavity, the coil is connected with a circuit board, and the circuit board is connected with a three-wire connector; the rubber shell is provided with a protective cover for protecting the coil and the circuit board; a large spring is arranged outside the magnetic ring, a small spring is arranged inside the magnetic ring, and the small spring is connected with an adjusting screw; the air cap is provided with a plurality of connecting columns, the rubber shell is provided with connecting holes corresponding to the connecting columns, and the air cap and the rubber shell are welded together through ultrasonic welding.
The utility model provides a pair of novel wind pressure sensor is equipped with a plurality of spliced poles on the gas lid, is equipped with the connecting hole that corresponds with a plurality of spliced poles on gluing the shell, fixes a position gas lid and gluing the shell through spliced pole and connecting hole, and then with being in the same place through ultrasonic bonding between gas lid and the gluey shell, guarantee the fastness and the stability of connecting, the quality and the stability in use of effectual improvement product, the finished product qualification rate is high.
In some embodiments, as shown in fig. 1 to 3, a novel wind pressure sensor is provided, which includes an air cap and a rubber casing, a diaphragm, a piston plate and a magnetic ring are disposed between the air cap and the rubber casing, an accommodating cavity for accommodating the magnetic ring is disposed on the rubber casing, a coil is disposed outside the accommodating cavity, the coil is connected to a circuit board, and the circuit board is connected to a three-wire connector; the rubber shell is provided with a protective cover for protecting the coil and the circuit board; a large spring is arranged outside the magnetic ring, a small spring is arranged inside the magnetic ring, and the small spring is connected with an adjusting screw; the air cap is provided with a plurality of connecting columns, the rubber shell is provided with connecting holes corresponding to the connecting columns, and the air cap and the rubber shell are welded together through ultrasonic welding.
Specifically, a closed cavity is formed between the diaphragm and the air cover, so that an air pressure variable is converted into a deformation variable of the diaphragm and is used for variable transmission in the sensor, the coil and the circuit board form an LC oscillating circuit, when pressure is transmitted to the piston sheet through the diaphragm, the piston sheet overcomes the pressure of the small spring and pushes the magnetic ring to move, the L value of the inductance of the coil is changed, and the LC oscillating circuit formed by the coil and the circuit board generates different frequency values according to different L values. The adjusting screw can adjust the elasticity of the small spring, so that the parameters of the wind pressure sensor are adjusted, the large spring is arranged to play a certain supporting role on the magnetic ring, the displacement variable of the magnetic ring is closer to linear expression, and the sensitivity and the accuracy of the wind pressure sensor are improved.
During assembly, fix a position gas lid and gluey shell through spliced pole and connecting hole earlier, be in the same place gas lid and gluey shell through ultrasonic welding between then, effectively guarantee the fastness and the stability of connecting, improve the quality and the stability in use of product. In this example, the quantity of spliced pole and connecting hole is 12, and even spaced setting is respectively on gas lid and rubber shell, and this quantity setting neither can make the distribution too intensive, can also play better ultrasonic welding effect simultaneously, of course, does not restrict the quantity of spliced pole and connecting hole in this example, can make corresponding adjustment according to actual wind pressure sensor's model size etc..
In some embodiments, the protective cover and the rubber shell are connected through glue, the connection stability between the protective cover and the rubber shell can be ensured by using a glue adding mode, and meanwhile, the attractiveness of the overall appearance of the wind pressure sensor is improved.
The diaphragm is connected with the piston piece through rivet hot, and rivet hot is connected the stability of being connected between improvement diaphragm that can be better and the piston piece, and then improves wind pressure sensor's whole stability in use.
In some embodiments, the rubber shell is further provided with an installation support, the rubber shell is detachably connected with the installation support, the rubber shell and the installation support are convenient to assemble and disassemble, and the rubber shell is high in use flexibility.
As shown in fig. 4, a positioning hole is formed in the rubber housing, and a positioning column corresponding to the positioning hole is formed in the mounting bracket; be equipped with the barb on the reference column, the design of barb can be with the quick locating hole of impressing of reference column, and is difficult for extracting, is favorable to the installation location of installing support.
In some embodiments, a limiting space is formed between the protective cover and the rubber shell, the coil is located in the limiting space and fixed on the protective cover, the limiting space has a certain limiting effect on the coil, and meanwhile, the coil is fixed on the protective cover, so that the installation stability of the coil is further improved.
The three-wire connector comprises a wire and a connecting end connected with the wire, and the protective cover is provided with a mounting hole for the wire to pass through; be equipped with sealed piece in the mounting hole, ensure the leakproofness between three line connectors and the circuit board, improve wind pressure sensor's stability in use.
Specifically, as shown in fig. 5, the number of the wires is three, the sealing block is provided with wire holes matched with the three wires, the wires penetrate through the wire holes to be connected with the circuit board, the sealing block is made of materials such as silica gel or rubber and has certain elasticity and sealing performance, the connection between the wires and the circuit board is guaranteed not to be damaged by the external environment, and in order to further improve the sealing performance, the sealing block is fastened between the wires and the sealing block through glue.
The utility model provides a pair of novel wind pressure sensor can guarantee firm in connection and stable between each part, the quality and the stability in use of effectual improvement product, and the finished product qualification rate is high.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but the limitation of the patent scope of the present invention can not be understood thereby. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.
Claims (7)
1. A novel wind pressure sensor comprises an air cover (1) and a rubber shell (2), wherein a diaphragm (3), a piston sheet (4) and a magnetic ring (5) are arranged between the air cover (1) and the rubber shell (2), and the novel wind pressure sensor is characterized in that an accommodating cavity for accommodating the magnetic ring (5) is formed in the rubber shell (2), a coil (6) is arranged outside the accommodating cavity, the coil (6) is connected with a circuit board (7), and the circuit board (7) is connected with a three-wire connector (8);
the rubber shell (2) is provided with a protective cover (9) for protecting the coil (6) and the circuit board (7);
a large spring (10) is arranged outside the magnetic ring (5), a small spring (11) is arranged inside the magnetic ring (5), and the small spring (11) is connected with an adjusting screw (12);
be equipped with a plurality of spliced poles (13) on gas lid (1), be equipped with connecting hole (14) that correspond with a plurality of spliced poles (13) on gluey shell (2), gas lid (1) and gluey shell (2) between be in the same place through ultrasonic welding.
2. The novel wind pressure sensor according to claim 1, characterized in that the protective cover (9) is connected with the rubber shell (2) by adding glue.
3. The novel wind pressure sensor according to claim 1, characterized in that the diaphragm (3) and the piston plate (4) are connected by hot riveting.
4. The novel wind pressure sensor according to claim 1, wherein a mounting bracket (15) is further disposed on the rubber casing (2), and the rubber casing (2) is detachably connected to the mounting bracket (15).
5. The novel wind pressure sensor according to claim 4, wherein a positioning hole (16) is formed in the rubber housing (2), and a positioning column (17) corresponding to the positioning hole (16) is formed in the mounting bracket (15);
and barbs (171) are arranged on the positioning columns (17).
6. The novel wind pressure sensor according to claim 1, wherein a limit space is formed between the protective cover (9) and the rubber casing (2), and the coil (6) is located in the limit space and fixed on the protective cover (9).
7. The novel wind pressure sensor according to claim 1, wherein the three-wire connector (8) comprises a wire and a connecting end connected with the wire, and the protective cover (9) is provided with a mounting hole (18) for the wire to pass through;
and a sealing block (19) is arranged in the mounting hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020335153.2U CN211347199U (en) | 2020-03-17 | 2020-03-17 | Novel wind pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020335153.2U CN211347199U (en) | 2020-03-17 | 2020-03-17 | Novel wind pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211347199U true CN211347199U (en) | 2020-08-25 |
Family
ID=72101748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020335153.2U Active CN211347199U (en) | 2020-03-17 | 2020-03-17 | Novel wind pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211347199U (en) |
-
2020
- 2020-03-17 CN CN202020335153.2U patent/CN211347199U/en active Active
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