CN212721862U

CN212721862U - Multi-surface induction type pressure sensor

Info

Publication number: CN212721862U
Application number: CN202022178436.3U
Authority: CN
Inventors: 姚明华; 戴兴; 戴福梅; 方志高
Original assignee: Changzhou Changrong Electronics Co ltd
Current assignee: Changzhou Changrong Electronics Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-03-16
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a multiaspect induction type pressure sensor, including casing and lock nut, the lower extreme fixedly connected with clamp plate of casing surface, the bottom fixed mounting of casing has the inductive head, there is the pressure sensor chip inductive head all around with the equal fixed mounting in bottom, the bottom fixedly connected with external screw thread fixed block of clamp plate, it has sealed position circle to bond between the inboard of external screw thread fixed block and the inductive head, the outer lane of clamp plate bottom bonds and has the sealing washer, the outside of casing, clamp plate, inductive head and lock nut all is scribbled and is equipped with the anticorrosive coating, the wearing layer is scribbled in the outside of anticorrosive coating. The utility model discloses an effect of inductive head and pressure sensor chip has solved current pressure sensor and has mostly tested for the mode of one side response, but can't accomplish the ability of multiaspect test, has reduced the precision of test, and when inconvenient for people use, and restricted the problem of its development and popularization.

Description

Multi-surface induction type pressure sensor

Technical Field

The utility model relates to a pressure sensor technical field specifically is a multiaspect induction type pressure sensor.

Background

The pressure sensor is a sensor for converting pressure into electric signals to be output, is the most common sensor, and is widely applied to various pressure test experiments in the fields of aerospace, wind power generation and the like.

The applicant finds that at least the following technical problems exist in the prior art: the existing pressure sensor is mostly tested in a one-side sensing mode, but the capability of multi-side testing cannot be achieved, the testing precision is reduced, inconvenience is brought to people, development and popularization of the pressure sensor are limited, and therefore the multi-side sensing type pressure sensor is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiaspect induction type pressure sensor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multiaspect induction type pressure sensor, includes casing and lock nut, the lower extreme fixedly connected with clamp plate of casing surface, the bottom fixed mounting of casing has the inductive head, the inductive head all around with the equal fixed mounting in bottom have the pressure sensor chip, the bottom fixedly connected with external screw thread fixed block of clamp plate, it has sealed position circle to bond between the inboard of external screw thread fixed block and the inductive head, the outer lane of clamp plate bottom bonds and has the sealing washer, casing, clamp plate, inductive head and lock nut's the outside is all scribbled and is equipped with the anticorrosive coating, the outside of anticorrosive coating is scribbled and is equipped with the wearing layer.

Preferably, the upper end and the lower end of the outer surface of the shell are fixedly connected with locking nuts, and the locking nuts at the lower end are fixedly connected with the top of the pressing plate.

Preferably, the top of the shell is connected with a connecting wire, and the other end of the connecting wire is connected with a plug.

Preferably, the corrosion protection layer comprises a zirconium titanium alloy coating, and the thickness of the corrosion protection layer is one hundred to one hundred fifty microns.

Preferably, the wear resistant layer comprises a teflon coating and the thickness of the wear resistant layer is one hundred thirty to one hundred eighty microns.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an effect of inductive head, under the cooperation of pressure sensor chip, can be to coming from the inductive head all around with the pressure of bottom test in step, and under the cooperation of inductive head internal circuit board and connecting wire, the synchronous reading of multiaspect test data has been realized, thereby the purpose of this pressure sensor measuring accuracy has been improved, through the effect of above structure complex, it tests for the mode of one side response mostly to have solved current pressure sensor, but the ability of accomplishing multiaspect test, the precision of test has been reduced, when inconvenient for people use, and the problem of its development and popularization has been restricted.

2. This practicality makes things convenient for the installation of this sensor through the effect of external screw thread fixed block, through the effect of sealing washer and sealed position circle, has ensured the sealing performance of this sensor installation, through the effect of anticorrosive coating, has improved the corrosion resisting property of this sensor, through the effect of wearing layer, has improved the wear resistance of this sensor.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the partial structure of the utility model in a front view and sectional view;

fig. 3 is a schematic view of the structure of the coating layer of the present invention.

In the figure: 1. a housing; 2. locking the nut; 3. pressing a plate; 4. an inductive head; 5. a pressure sensor chip; 6. a connecting wire; 7. a seal ring; 8. an external thread fixing block; 9. sealing the positioning ring; 10. an anticorrosive layer; 11. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The utility model discloses a casing 1, lock nut 2, clamp plate 3, inductive head 4, pressure sensor chip 5, connecting wire 6, sealing washer 7, external screw thread fixed block 8, sealed position circle 9, anticorrosive coating 10 and wearing layer 11 parts are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a multi-surface induction type pressure sensor comprises a housing 1 and a locking nut 2, wherein a pressing plate 3 is fixedly connected to the lower end of the outer surface of the housing 1, the locking nut 2 is fixedly connected to the upper and lower ends of the outer surface of the housing 1, the locking nut 2 is fixedly connected to the top of the pressing plate 3, a connecting wire 6 is connected to the top of the housing 1, a plug is connected to the other end of the connecting wire 6, an induction head 4 is fixedly installed at the bottom of the housing 1, pressure sensor chips 5 are fixedly installed around and at the bottom of the induction head 4, under the action of the induction head 4, the pressure from the periphery and at the bottom of the induction head 4 can be synchronously tested, and under the cooperation of a circuit board inside the induction head 4 and the connecting wire 6, the multi-surface test data can be synchronously read, so as to improve the test precision of the pressure sensor, the bottom of the pressing plate 3 is fixedly connected with an external thread fixing block 8, the installation of the sensor is facilitated through the action of the external thread fixing block 8, a sealing positioning ring 9 is bonded between the inner side of the external thread fixing block 8 and the induction head 4, a sealing ring 7 is bonded on the outer ring of the bottom of the pressing plate 3, the sealing performance of the sensor installation is guaranteed through the action of the sealing ring 7 and the sealing positioning ring 9, the outer sides of the shell 1, the pressing plate 3, the induction head 4 and the locking nut 2 are respectively coated with an anticorrosive coating 10, the anticorrosive coating 10 comprises a zirconium-titanium alloy coating, the thickness of the anticorrosive coating 10 is one hundred to fifty microns, the anticorrosive performance of the sensor is improved through the action of the anticorrosive coating 10, the outer side of the anticorrosive coating 10 is coated with a wear-resistant layer 11, the wear-resistant layer 11 comprises a Teflon coating, the thickness of the wear-resistant layer 11 is one hundred thirty to one hundred eigh, the wear resistance of the sensor is improved.

When in use, the pressure from the periphery and the bottom of the induction head 4 can be synchronously tested under the cooperation of the pressure sensor chip 5 through the action of the induction head 4, and the synchronous reading of multi-surface test data is realized through the cooperation of the circuit board inside the induction head 4 and the connecting wire 6, thereby improving the test precision of the pressure sensor, solving the problems that the existing pressure sensor is mostly tested in a one-surface induction mode but cannot test the multi-surface in the cooperation of the structure, reducing the test precision, bringing inconvenience for people to use, limiting the development and popularization of the pressure sensor, facilitating the installation of the sensor through the action of the external thread fixing block 8, ensuring the installation sealing performance of the sensor through the action of the sealing ring 7 and the sealing positioning ring 9, and through the action of the anti-corrosion layer 10, the corrosion resistance of the sensor is improved, and the wear resistance of the sensor is improved under the action of the wear-resistant layer 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multiaspect induction type pressure sensor, includes casing (1) and lock nut (2), its characterized in that: the utility model discloses a novel anti-corrosion sensor, including casing (1), lower extreme fixedly connected with clamp plate (3) of casing (1) surface, the bottom fixed mounting of casing (1) has inductive head (4), there are pressure sensor chip (5) with the equal fixed mounting in bottom around inductive head (4), the bottom fixedly connected with external screw thread fixed block (8) of clamp plate (3), it has sealed position circle (9) to bond between the inboard of external screw thread fixed block (8) and inductive head (4), the outer lane of clamp plate (3) bottom bonds and has sealing washer (7), the outside of casing (1), clamp plate (3), inductive head (4) and lock nut (2) is all scribbled and is equipped with anticorrosive coating (10), the outside of anticorrosive coating (10) is scribbled and is equipped with wearing layer (11).

2. The multi-faced inductive pressure sensor of claim 1, wherein: the upper end and the lower end of the outer surface of the shell (1) are fixedly connected with locking nuts (2), and the locking nuts (2) at the lower ends are fixedly connected with the top of the pressing plate (3).

3. The multi-faced inductive pressure sensor of claim 1, wherein: the top of the shell (1) is connected with a connecting wire (6), and the other end of the connecting wire (6) is connected with a plug.

4. The multi-faced inductive pressure sensor of claim 1, wherein: the anti-corrosion layer (10) comprises a zirconium-titanium alloy coating, and the thickness of the anti-corrosion layer (10) is one hundred to one hundred and fifty micrometers.

5. The multi-faced inductive pressure sensor of claim 1, wherein: the wear-resistant layer (11) comprises a Teflon coating, and the thickness of the wear-resistant layer (11) is one hundred thirty to one hundred eighty microns.