CN210464776U

CN210464776U - Pipeline pressure transmitter

Info

Publication number: CN210464776U
Application number: CN201921299726.4U
Authority: CN
Inventors: 朱靳; 曹燕; 孙飞
Original assignee: Nanjing Jiekefeng Intelligent Electrical Automation Co Ltd
Current assignee: Nanjing Jiekefeng Intelligent Electrical Automation Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-05-05
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a pipeline pressure transmitter relates to automatic machine technical field, and for solving the inside diaphragm impact resistance difference of current pressure transmitter, lead to its damage easily, connect the measuring body and contact liquid or gas in the pipeline for a long time, can lead to the body of rod to take place the problem of corrosion phenomenon. The upper surface of pressure transmitter is provided with the pressure transmitter head, one side of pressure transmitter head is provided with external antenna, the opposite side of pressure transmitter head is provided with the cable export, one side of cable export is provided with the connecting wire, the one end of connecting wire is provided with the power, the below of pressure transmitter head is provided with the demonstration cavity, the below of showing the cavity is provided with rotatory fixed screw, the below of rotatory fixed screw is provided with the connection and measures the body, the preceding terminal surface of connecting and measuring the body is provided with the installation base.

Description

Pipeline pressure transmitter

Technical Field

The utility model relates to an automatic change mechanical technical field specifically is a pipeline pressure transmitter.

Background

A pressure transmitter is a device that converts pressure into a pneumatic signal or an electric signal for control and remote transmission. It can convert the physical pressure parameters sensed by the load cell sensor into standard electric signals for the secondary instruments such as indicating alarm, recorder and regulator to measure, indicate and regulate the process. The pressure transmitter is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to various 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.

However, the diaphragm inside the existing pressure transmitter has poor impact resistance and is easy to damage, and the rod body is corroded when the connection measuring body contacts liquid or gas in a pipeline for a long time; thus, the existing needs are not met, and a pipeline pressure transmitter is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline pressure transmitter to the diaphragm of the inside of the current pressure transmitter who proposes among the solution above-mentioned background art is shock-resistant poor, leads to its damage easily, connects the measuring body and contacts liquid or gas in the pipeline for a long time, can lead to the body of rod to take place the problem of corrosion phenomenon.

In order to achieve the above object, the utility model provides a following technical scheme: a pipeline pressure transmitter comprises a pressure transmitter, wherein a pressure transmitter head is arranged on the upper surface of the pressure transmitter, an external antenna is arranged on one side of the pressure transmitter head, a cable outlet is formed in the other side of the pressure transmitter head, a connecting wire is arranged on one side of the cable outlet, a power supply is arranged at one end of the connecting wire, a display cavity is arranged below the pressure transmitter head, a rotary fixing screw is arranged below the display cavity, a connection measuring body is arranged below the rotary fixing screw, a mounting base is arranged on the front end face of the connection measuring body, long rod fixing screws are arranged on the front end face of the mounting base, four long rod fixing screws are arranged, a side leakage hole is formed in the middle position of the front end face of the mounting base, and a discharge valve is arranged on the outer wall of one side of the mounting base, the anti-explosion pressure transmitter is characterized in that an oval connector is arranged on the outer wall of the other side of the mounting base, an anti-explosion rear cover is arranged at one end of the head of the pressure transmitter, a low-pressure port is arranged between the long rod fixing screws, a high-pressure port is arranged on one side of the low-pressure port, a sensing chamber is arranged inside the high-pressure port, a diaphragm is arranged inside the sensing chamber, elastic connecting bodies are arranged on two sides of the diaphragm, fixing screws are arranged on one side of each elastic connecting body, and two fixing screws are arranged on the fixing screws.

Preferably, both sides of the diaphragm are fixedly connected with the sensing chamber through elastic connecting bodies.

Preferably, the outer wall of the connection measuring body is provided with an anti-corrosion rubber layer.

Preferably, one side of the power supply is electrically connected with the head of the pressure transmitter through a connecting wire.

Preferably, the lower part of the display cavity is fixedly connected with the connecting measuring body through a rotary fixing screw.

Preferably, a battery placing chamber is arranged on the outer wall of one side of the head of the pressure transmitter.

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

1. the utility model discloses an elasticity connector and sensing room fixed connection of diaphragm both sides, the effect of diaphragm is in order to prevent to glue thick medium blocking pressure hole, or adopt special material to come and avoid the damage of sensing chip material with the better measurement of medium, it belongs to the consumable article, the effect is in the sensing indoor self that leads to of suffering pressure for a long time and damages, so we have installed the elasticity connector in the both sides of diaphragm, the elasticity connector can reduce impact force and vibrations through its self good elasticity, thereby avoid diaphragm direct contact impact force to cause the emergence of damage phenomenon.

2. The outer wall through connecting the measuring body is provided with anticorrosive rubber layer, connects its long-term department of measuring body in the pipeline, and can flow various gas and liquid in the pipeline, and these gas and liquid effect can lead to it to take place chemical reaction on its outer wall, cause phenomenons such as corruption, rust, so we have installed one deck anticorrosive rubber layer at its outer wall, and anticorrosive rubber layer has good corrosion resistance to can avoid connecting the measuring body and carry out the damage that direct contact caused with gaseous liquid.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the front side of the pressure transmitter of the present invention;

FIG. 3 is a schematic side view of the pressure transmitter of the present invention;

FIG. 4 is a schematic view of a partial structure of a diaphragm according to the present invention;

FIG. 5 is a schematic view of a partial structure of the connection measurement body of the present invention;

in the figure: 1. a pressure transmitter; 2. a pressure transmitter head; 3. a cable outlet; 4. a display cavity; 5. a connecting wire; 6. a power source; 7. an external antenna; 8. rotating the fixing screw; 9. connecting a measuring body; 10. a discharge valve; 11. an elliptical joint; 12. a long rod fixing screw; 13. a side leak hole; 14. an explosion-proof rear cover; 15. a battery placing chamber; 16. a low pressure port; 17. a high pressure port; 18. installing a base; 19. a sensing chamber; 20. a diaphragm sheet; 21. an elastic connecting body; 22. fixing screws; 23. and an anti-corrosion rubber 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.

Referring to fig. 1-5, the present invention provides an embodiment: a pipeline pressure transmitter comprises a pressure transmitter 1, a pressure transmitter head 2 is arranged on the upper surface of the pressure transmitter 1, an external antenna 7 is arranged on one side of the pressure transmitter head 2, a cable outlet 3 is arranged on the other side of the pressure transmitter head 2, a connecting wire 5 is arranged on one side of the cable outlet 3, a power supply 6 is arranged at one end of the connecting wire 5, a display cavity 4 is arranged below the pressure transmitter head 2, a rotary fixing screw 8 is arranged below the display cavity 4, a connection measuring body 9 is arranged below the rotary fixing screw 8, a mounting base 18 is arranged on the front end surface of the connection measuring body 9, long rod fixing screws 12 are arranged on the front end surface of the mounting base 18, four long rod fixing screws 12 are arranged, a side leakage hole 13 is arranged at the middle position of the front end surface of the mounting base 18, and a discharge valve 10 is arranged on the outer wall of, be provided with oval joint 11 on the outer wall of installation base 18 opposite side, the one end of pressure transmitter head 2 is provided with explosion-proof back lid 14, be provided with low pressure mouth 16 between two stock fixed screws 12, one side of low pressure mouth 16 is provided with high-pressure port 17, the inside of high-pressure port 17 is provided with sensing chamber 19, the inside of sensing chamber 19 is provided with diaphragm 20, diaphragm 20's both sides all are provided with elasticity connector 21, one side of elasticity connector 21 is provided with fixed screw 22, and fixed screw 22 is provided with two.

Furthermore, both sides of the diaphragm 20 are fixedly connected with the sensing chamber 19 through elastic connecting bodies 21, the diaphragm 20 is used for preventing viscous media from blocking pressure holes or adopting special materials to better measure with the media to avoid damage of sensing chip materials, and belongs to a consumable product, and the diaphragm is used for being damaged by itself caused by pressure intensity in the sensing chamber 19 for a long time, so that the elastic connecting bodies 21 are installed on both sides of the diaphragm 20, and the elastic connecting bodies 21 can reduce impact force and vibration through good elasticity of the elastic connecting bodies 21, so that the phenomenon that the diaphragm 20 is directly contacted with the impact force to cause damage is avoided.

Further, the outer wall of the connection measuring body 9 is provided with an anti-corrosion rubber layer 23, the connection measuring body 9 is located in a pipeline for a long time, various gases and liquids can flow in the pipeline, and the gases and the liquids can cause chemical reactions on the outer wall of the connection measuring body to cause phenomena of corrosion, rusting and the like, so that the outer wall of the connection measuring body is provided with the anti-corrosion rubber layer 23, and the anti-corrosion rubber layer 23 has good anti-corrosion performance, so that damage caused by direct contact of the connection measuring body 9 and the gases and the liquids can be avoided.

Furthermore, one side of the power supply 6 is electrically connected with the pressure transmitter head 2 through the connecting wire 5, and the pressure transmitter 1 is driven to operate by utilizing the electric power of the power supply 6, so that an important foundation is laid for the subsequent pressure transmitting stage.

Further, the lower part of the display cavity 4 is fixedly connected with the connecting and measuring body 9 through the rotary fixing screw 8, the display cavity 4 converts a signal measured by the connecting and measuring body 9 into a digital signal and displays the digital signal on a screen, so that a user can visually check the pressure condition of the measured gas or liquid, and the use of the user is facilitated.

Further, a battery placing chamber 15 is arranged on the outer wall of one side of the pressure transmitter head 2, and a battery is arranged in the battery placing chamber 15, so that a user can conveniently transmit pressure under the condition of no power supply 6.

The working principle is as follows: when the device is used, two sides of the diaphragm 20 are fixedly connected with the sensing chamber 19 through the elastic connecting bodies 21, the diaphragm 20 is used for preventing a viscous medium from blocking a pressure hole or adopting a special material for better measurement with the medium to avoid the damage of a sensing chip material, belongs to a consumable product, and is used for preventing the self damage caused by the long-term pressure intensity in the sensing chamber 19, so the elastic connecting bodies 21 are arranged on two sides of the diaphragm 20, the elastic connecting bodies 21 can reduce the impact force and the vibration through the good elasticity of the elastic connecting bodies 21, thereby the damage phenomenon caused by the direct contact impact force of the diaphragm 20 is avoided, the outer wall of the connection measuring body 9 is provided with the anti-corrosion rubber layer 23, the connection measuring body 9 is positioned in a pipeline for a long time, various gases and liquids can flow in the pipeline, and the gases and the liquids can cause the chemical reaction when acting on the outer wall of the connection measuring body 9, the outer wall of the pressure transmitter is provided with a layer of anti-corrosion rubber layer 23, the anti-corrosion rubber layer 23 has good anti-corrosion performance, so that the damage caused by direct contact between a connection measuring body 9 and gas or liquid can be avoided, one side of a power supply 6 is electrically connected with a pressure transmitter head 2 through a connecting wire 5, the pressure transmitter 1 is driven to operate by the power of the power supply 6, an important foundation is laid for the subsequent pressure transmission stage, the lower part of a display cavity 4 is fixedly connected with the connection measuring body 9 through a rotary fixing screw 8, the signal detected by the connection measuring body 9 is converted into a digital signal by the display cavity 4 and is displayed on a screen, a user can visually check the pressure condition of the measured gas or liquid, the use of the user is convenient, the outer wall of one side of the pressure transmitter head 2 is provided with a battery placing chamber 15, the battery placing chamber 15 is provided with a battery inside, so that a user can conveniently transmit pressure without the power supply 6.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A pipeline pressure transmitter, includes pressure transmitter (1), its characterized in that: the upper surface of the pressure transmitter (1) is provided with a pressure transmitter head (2), one side of the pressure transmitter head (2) is provided with an external antenna (7), the other side of the pressure transmitter head (2) is provided with a cable outlet (3), one side of the cable outlet (3) is provided with a connecting wire (5), one end of the connecting wire (5) is provided with a power supply (6), a display cavity (4) is arranged below the pressure transmitter head (2), a rotary fixing screw (8) is arranged below the display cavity (4), a connection measuring body (9) is arranged below the rotary fixing screw (8), the front end surface of the connection measuring body (9) is provided with a mounting base (18), the front end surface of the mounting base (18) is provided with a long rod fixing screw (12), and the number of the long rod fixing screws (12) is four, a side leakage hole (13) is arranged in the middle of the front end surface of the mounting base (18), a discharge valve (10) is arranged on the outer wall of one side of the mounting base (18), an oval joint (11) is arranged on the outer wall of the other side of the mounting base (18), an anti-explosion rear cover (14) is arranged at one end of the pressure transmitter head (2), a low-pressure opening (16) is arranged between the two long rod fixing screws (12), a high pressure port (17) is arranged at one side of the low pressure port (16), a sensing chamber (19) is arranged in the high pressure port (17), a diaphragm (20) is arranged in the sensing chamber (19), elastic connecting bodies (21) are arranged on two sides of the diaphragm (20), one side of the elastic connecting body (21) is provided with two fixing screws (22), and the number of the fixing screws (22) is two.

2. The pipeline pressure transmitter of claim 1, wherein: and both sides of the diaphragm (20) are fixedly connected with the sensing chamber (19) through elastic connecting bodies (21).

3. The pipeline pressure transmitter of claim 1, wherein: and an anti-corrosion rubber layer (23) is arranged on the outer wall of the connection measuring body (9).

4. The pipeline pressure transmitter of claim 1, wherein: one side of the power supply (6) is electrically connected with the pressure transmitter head (2) through a connecting wire (5).

5. The pipeline pressure transmitter of claim 1, wherein: the lower part of the display cavity (4) is fixedly connected with the connection measuring body (9) through a rotary fixing screw (8).

6. The pipeline pressure transmitter of claim 1, wherein: and a battery placing chamber (15) is arranged on the outer wall of one side of the pressure transmitter head (2).