CN216954958U

CN216954958U - Impact-resistant pressure sensor with visual switch point setting function

Info

Publication number: CN216954958U
Application number: CN202122795420.1U
Authority: CN
Inventors: 陈东
Original assignee: Desa Technology Shanghai Co ltd
Current assignee: Desa Technology Shanghai Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-12
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to the technical field of pressure sensors and discloses an impact-resistant pressure sensor with intuitive switch point setting. This pressure sensor who takes audio-visual switch point to set for shocks resistance, through when pressure sensor receives the impact, the sensor circuit of drawing forth the hole inboard can appear rocking, the pressure of spring promotes the stripper plate, make the stripper plate extrude internal sensor detection circuitry, thereby can be sensor detection circuitry and keep steady state, pressure sensor's impact nature has been improved, pressure sensor's life is further improved, through only receiving the packing force of supporting arch and pressure chip inside side at the sealing washer, produce and warp naturally, can not receive other torsional stress, the separating ring can guarantee that the inside lead wire of pressure chip can not touch the clamp ring inboard, avoid short circuit scheduling problem.

Description

Impact-resistant pressure sensor with visual switch point setting function

Technical Field

The utility model relates to the technical field of pressure sensors, in particular to an impact-resistant pressure sensor with visual switch point setting.

Background

A pressure sensor is a device or apparatus that can sense a pressure signal and convert the pressure signal into a usable output electrical signal according to a certain rule. The pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to a plurality of industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like.

The existing pressure sensor has weak impact resistance, so that circuit elements inside the pressure sensor are damaged due to impact in the using process, the pressure sensor fails, and the existing mining intrinsic safety type pressure sensor has the problems of poor sealing performance and difficulty in disassembly and maintenance in the aspects of sealing and maintenance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an impact-resistant pressure sensor with visual switch point setting, which has the advantages of good sealing performance, convenience in disassembly and assembly and the like, and solves the technical problems.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pressure sensor who sets for is directly perceived to area that shocks resistance, includes pressure sensor, the casing is installed in the pressure sensor outside, the screw thread is installed to casing one end, the sealing washer is installed to the screw thread bottom, the through-hole is installed to the sealing washer inboard, the plug is installed to the pressure sensor top surface, the lead-out wire is installed to the plug, the separation ring is installed to the casing inboard, the clamp ring is installed to separation ring top surface, sensor detection circuitry is installed to separation ring bottom surface, the stripper plate is installed to sensor detection circuitry inboard, pressure spring is installed to the stripper plate inboard, the hole is installed and is drawn forth to sensor detection circuitry bottom surface, draw forth the hole outside and seted up the interface screw thread, sensor detection circuitry bottom surface is installed and is supported the arch, the pressure head is installed in the through-hole outside.

Preferably, the shell is fixedly installed on the outer side of the pressure sensor, the thread is arranged on the outer side of the through hole, the sealing ring is fixedly installed at the bottom end of the thread, and the through hole is connected with the plug.

Through above-mentioned technical scheme, the sealing washer has fine leakproofness, and the casing has fine guard action, can protect the inside part of casing effectively, improves pressure sensor's life.

Preferably, one end of the outgoing line is connected with the sensor detection circuit, the other end of the outgoing line is connected with the plug, and the plug is fixedly installed on the top surface of the shell.

Through the technical scheme, the pressure of the spring pushes the extrusion plate to enable the extrusion plate to extrude the internal sensor detection circuit, so that the sensor detection circuit can be kept in a stable state, and the impact of the pressure sensor is improved.

Preferably, the upper end of the sensor detection circuit and the inside of the compression ring are provided with blocking rings, a gap is formed between the inside of the compression ring and the sensor detection circuit, and the supporting protrusion and the sealing ring are located in the inner cavity of the sensor detection circuit.

Through the technical scheme, when the sensor bears large pressure, internal buffering can be performed, so that the service life of the pressure sensor is prolonged.

Preferably, the through hole, the sealing ring and the pressure inlet head are arranged inside the plug.

Through the technical scheme, the sealing ring has good sealing performance, is connected through the threads, is convenient to disassemble, and can be disassembled at any time to check the inside condition.

Compared with the prior art, the utility model provides an impact-resistant pressure sensor with intuitive switch point setting, which has the following beneficial effects:

1. this pressure sensor who takes audio-visual switch point to set for shocks resistance through when pressure sensor receives the impact, draws forth the inboard sensor circuit in hole and can appear the trend of rocking, and the pressure of spring promotes the stripper plate, makes the stripper plate extrude internal sensor detection circuitry to can be sensor detection circuitry and keep steady state, improved pressure sensor's impact performance, further improve pressure sensor's life.

2. This pressure sensor that area audio-visual switch point of shocking resistance set for through only receiving the packing force of supporting bulge and pressure chip inside side at the sealing washer, produces and warp naturally, can not receive other torsional stress, and the lead wire of pressure chip inside can be guaranteed to the separation ring, and the pin can not touch the clamp ring inboard, avoids short circuit scheduling problem, when receiving the impact, also can play the cushioning effect, increases its life-span, improves its reliability.

Drawings

FIG. 1 is a schematic diagram of a pressure sensor according to the present invention;

FIG. 2 is an enlarged partial view of A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a pressure inlet structure according to the present invention.

Wherein: 1. a pressure sensor; 2. a housing; 3. a thread; 4. a seal ring; 5. a through hole; 6. a plug; 7. leading-out wires; 8. a barrier ring; 9. a compression ring; 10. a sensor detection circuit; 11. a pressing plate; 12. a pressure spring; 13. an exit aperture; 14. interface screw thread; 15. a support boss; 16. and (4) a pressure inlet head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an impact-resistant pressure sensor with visual switch point setting comprises a pressure sensor 1, a shell 2 is installed on the outer side of the pressure sensor 1, threads 3 are installed at one end of the shell 2, a sealing ring 4 is installed at the bottom end of the threads 3, a through hole 5 is installed on the inner side of the sealing ring 4, a plug 6 is installed on the top surface of the pressure sensor 1, a leading-out wire 7 is installed on the plug 6, a separation ring 8 is installed on the inner side of the shell 2, a compression ring 9 is installed on the top surface of the separation ring 8, a sensor detection circuit 10 is installed on the bottom surface of the separation ring 8, a compression plate 11 is installed on the inner side of the sensor detection circuit 10, a pressure spring 12 is installed on the inner side of the compression plate 11, a leading-out hole 13 is installed on the bottom surface of the sensor detection circuit 10, an interface thread 14 is formed on the outer side of the leading-out hole 13, a supporting protrusion 15 is installed on the bottom surface of the sensor detection circuit 10, and a pressure inlet head 16 is installed on the outer side of the through hole 5.

Specifically, casing 2 fixed mounting is in pressure sensor 1 outside, and screw thread 3 sets up in the through-hole 5 outside, and sealing washer 4 fixed mounting in the 3 bottoms of screw thread, through-hole 5 connecting plug 6. The pressure sensor has the advantages that the sealing ring 4 has good sealing performance, the shell 2 has good protection effect, parts inside the shell 2 can be effectively protected, and the service life of the pressure sensor is prolonged.

Specifically, one end of the outgoing line 7 is connected with the sensor detection circuit 10, the other end is connected with the plug 6, and the plug 6 is fixedly arranged on the top surface of the shell 2. The advantage is, the pressure of spring promotes stripper plate 11, makes stripper plate 11 extrusion internal sensor detection circuitry 10 to can be sensor detection circuitry 10 and keep steady state, improved pressure sensor 1's impact nature.

Specifically, the upper end of the sensor detection circuit 10 and the inner portion of the compression ring 9 are provided with the blocking rings 8, a gap is formed between the inner portion of the compression ring 9 and the sensor detection circuit 10, and the supporting protrusions 15 and the sealing ring 4 are located in the inner cavity of the sensor detection circuit 10. The advantage is that when the sensor bears great pressure, can carry out inside buffering to prolong pressure sensor's life.

Specifically, the through hole 5, the sealing ring 4 and the pressure inlet head 16 are arranged inside the plug 6. The sealing ring has the advantages that the sealing ring 4 has good sealing performance, is connected with the sealing ring through the threads 3, is convenient to disassemble, and can be disassembled at any time to check the inside condition.

When the pressure sensor is used, when the pressure sensor 1 is impacted, the sensor circuit on the inner side of the lead-out hole 13 tends to shake, the pressure of the spring pushes the extrusion plate 11, the extrusion plate 11 extrudes the internal sensor detection circuit 10, so that the sensor detection circuit 10 can be kept in a stable state, the impact performance of the pressure sensor 1 is improved, the service life of the pressure sensor 1 is further prolonged, the sealing ring 4 is only pressed by the supporting bulge 15 and the inner side surface of the pressure chip to naturally deform, and cannot be stressed by other torsional stress, the blocking ring 8 can ensure the lead wire in the pressure chip, the pin cannot touch the inner side of the pressing ring, the problems of short circuit and the like are avoided, when the sealing ring is impacted, the buffering effect can be achieved, the service life of the sealing ring is prolonged, and the reliability of the sealing ring is improved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An impact-resistant pressure sensor with intuitive switch point setting, comprising a pressure sensor (1), characterized in that: the pressure sensor is characterized in that a shell (2) is installed on the outer side of the pressure sensor (1), threads (3) are installed at one end of the shell (2), a sealing ring (4) is installed at the bottom end of the threads (3), a through hole (5) is installed on the inner side of the sealing ring (4), a plug (6) is installed on the top surface of the pressure sensor (1), leading-out wires (7) are installed on the plug (6), a blocking ring (8) is installed on the inner side of the shell (2), a pressing ring (9) is installed on the top surface of the blocking ring (8), a sensor detection circuit (10) is installed on the bottom surface of the blocking ring (8), an extrusion plate (11) is installed on the inner side of the sensor detection circuit (10), a pressure spring (12) is installed on the inner side of the extrusion plate (11), a leading-out hole (13) is installed on the bottom surface of the sensor detection circuit (10), and an interface thread (14) is arranged on the outer side of the leading-out hole (13), supporting protrusions (15) are installed on the bottom surface of the sensor detection circuit (10), and a pressure inlet head (16) is installed on the outer side of the through hole (5).

2. An impact resistant pressure sensor with intuitive switch point setting as described in claim 1 wherein: casing (2) fixed mounting is in pressure sensor (1) outside, screw thread (3) are seted up in through-hole (5) outside, and sealing washer (4) fixed mounting in screw thread (3) bottom, through-hole (5) connecting plug (6).

3. An impact resistant pressure sensor with intuitive switch point setting as described in claim 1 wherein: lead-out wire (7) one end connection sensor detection circuitry (10), other end connecting plug (6), plug (6) fixed mounting is in casing (2) top surface.

4. An impact resistant pressure sensor with visual switch point setting as claimed in claim 1, wherein: sensor detection circuitry (10) upper end and clamp ring (9) internally mounted have separation ring (8), be equipped with the clearance between clamp ring (9) inside and sensor detection circuitry (10), support arch (15) and sealing washer (4) are located sensor detection circuitry (10) inner chamber.

5. An impact resistant pressure sensor with visual switch point setting as claimed in claim 1, wherein: the through hole (5), the sealing ring (4) and the pressure inlet head (16) are arranged inside the plug (6).