CN111089678A

CN111089678A - Pressure transmitter for container

Info

Publication number: CN111089678A
Application number: CN201911279354.3A
Authority: CN
Inventors: 白琳
Original assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Current assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-05-01

Abstract

The invention discloses a pressure transmitter for a container, which comprises a pressure transmitter body, wherein the bottom of the pressure transmitter body is fixedly connected with a mounting plate, a plurality of connecting grooves are uniformly drilled on the mounting plate, a plurality of mounting grooves are drilled in the middle of the bottom end of the mounting plate, a plurality of through grooves are uniformly drilled on the mounting plate, arc-shaped elastic membranes are fixedly connected at the positions, corresponding to the through grooves, of the top end of the mounting plate, L-shaped fixing plates are arranged on one sides of the through grooves, the bottom ends of the L-shaped fixing plates are respectively and fixedly connected with the top end of the mounting plate, and one side wall of each L-shaped fixing plate is fixedly connected with a press switch. Thereby enhancing the sealing performance and stability and improving the detection efficiency and accuracy.

Description

Pressure transmitter for container

Technical Field

The present invention relates to pressure transmitters, and more particularly to a pressure transmitter for a vessel.

Background

The pressure transmitter is a pressure sensor which takes output as a standard signal, and is an instrument which receives a pressure variable and converts the pressure variable into a standard output signal in proportion. The pressure sensor can convert physical pressure parameters of gas, liquid and the like sensed by the side pressure element sensor into standard electric signals so as to supply the standard electric signals to secondary instruments such as an indicating alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation. 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.

In view of the above, chinese patent No. CN208060077U proposes a flat membrane pressure transmitter, which effectively protects the membrane from damage by buffering the elastic force generated by the extension of the first spring and the pressure exerted by the medium; chinese patent No. CN208872460U proposes a flat membrane type pressure transmitter, compress the silica gel conducting layer through the diaphragm and then conduct to the sensor core, avoid the impact of high-speed high-pressure liquid to the sensor core, and the pressure transmitter in the above patent, when detecting the inside gas pressure of container, in case the connection of the installation part of pressure transmitter is not tight, will influence the container internal pressure, lead to detecting inaccurately, and in the long-term use, the junction takes place to corrode the not hard up phenomenon easily, just so lead to detecting the appearance unusually, and the operator can not discover in time, will appear follow-up more serious problem that brings, the investigation degree of difficulty is great, maintenance efficiency is low.

Disclosure of Invention

The invention aims to provide a pressure transmitter for a container, which aims to solve the problems of insecure installation, poor tightness, difficulty in examination after loosening and low maintenance efficiency in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a pressure transmitter for container, includes the pressure transmitter body, the bottom fixedly connected with mounting panel of pressure transmitter body, evenly chisel on the mounting panel has a plurality of spread grooves, the middle part of mounting panel bottom is chiseled and is had a plurality of mounting grooves.

Preferably, evenly cut a plurality of logical grooves on the mounting panel, the equal fixedly connected with arc elastic membrane of the position correspondence department in mounting panel top and a plurality of logical grooves.

Preferably, it is a plurality of all be equipped with L shape fixed plate, it is a plurality of the bottom of L shape fixed plate respectively with the top fixed connection of mounting panel, it is a plurality of the equal fixedly connected with press switch of a lateral wall of L shape fixed plate, it is a plurality of press switch position is just right with a plurality of arc elastic membrane positions respectively.

Preferably, the other side wall of each of the plurality of L-shaped fixing plates is fixedly provided with a bulb, and the plurality of bulbs are electrically connected with the power supply through a plurality of push switches respectively.

Preferably, it is a plurality of the equal fixedly connected with compression spring in top of mounting groove inner wall, the bottom of mounting panel is equipped with the clamp plate, and is a plurality of compression spring's bottom respectively with the top fixed connection of clamp plate.

Preferably, the center department fixedly connected with sealing washer of mounting panel bottom, the avris fixedly connected with sealing ring of mounting panel bottom.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is provided with the pressing plate, the sealing ring and the sealing ring, and when the pressure plate is used in cooperation with a plurality of compression springs, the pressure plate can be tightly attached to the side wall of the container by utilizing the elasticity of the compression springs during installation, so that the sealing property and the stability are enhanced, and the detection efficiency and the accuracy are improved.

2. The invention is provided with the arc-shaped elastic membrane, can constantly monitor the tightness of the connection part of the pressure transmitter body under the matching use of the press switch and the bulb, and once gas leakage occurs, the bulb lights up to give an alarm to remind an operator to carry out maintenance treatment in time, so that fault alarm and maintenance are more timely.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

fig. 4 is a top view of a mounting plate portion of the present invention.

In the figure: 1. a pressure transmitter body; 2. mounting a plate; 3. pressing a plate; 4. a seal ring; 5. a through groove; 6. an arc-shaped elastic film; 7. an L-shaped fixing plate; 8. a bulb; 9. a push switch; 10. mounting grooves; 11. a compression spring; 12. a seal ring; 13. and connecting the grooves.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1 and 3, including pressure transmitter body 1, the bottom fixedly connected with mounting panel 2 of pressure transmitter body 1, evenly chisel on mounting panel 2 has a plurality of spread grooves 13, the middle part of mounting panel 2 bottom is chiseled has a plurality of mounting grooves 10, the equal fixedly connected with compression spring 11 in top of a plurality of mounting grooves 10 inner wall, mounting panel 2's bottom is equipped with clamp plate 3, a plurality of compression spring 11's bottom respectively with clamp plate 3's top fixed connection, the center department fixedly connected with sealing washer 12 of mounting panel 2 bottom, the avris fixedly connected with sealing ring 4 of mounting panel 2 bottom, can install the time, utilize compression spring 11's elasticity, make clamp plate 3 closely laminate with the lateral wall of container, thereby reinforcing leakproofness and stability, improve detection efficiency and accuracy.

Example two:

on the basis of the first embodiment, as shown in fig. 2 and 4, a plurality of through grooves 5 are uniformly drilled on a mounting plate 2, arc-shaped elastic membranes 6 are fixedly connected to positions of the top end of the mounting plate 2 corresponding to the positions of the through grooves 5, L-shaped fixing plates 7 are arranged on one sides of the through grooves 5, the bottom ends of the L-shaped fixing plates 7 are fixedly connected to the top end of the mounting plate 2 respectively, press switches 9 are fixedly connected to one side walls of the L-shaped fixing plates 7, the positions of the press switches 9 are opposite to the positions of the arc-shaped elastic membranes 6 respectively, bulbs 8 are fixedly mounted on the other side walls of the L-shaped fixing plates 7, the bulbs 8 are electrically connected to a power supply through the press switches 9 respectively, the tightness of the connection position of a pressure transmitter body 1 can be monitored constantly, once gas leakage occurs, the arc-shaped elastic membranes 6 bulge to push the press switches 9, the bulb 8 is lighted to give an alarm, an operator is reminded of carrying out maintenance treatment in time, and the fault alarm and maintenance are more timely.

It should be noted that, when the pressure transmitter is installed, the bottom of the pressure transmitter body 1 is firstly inserted into a position to be detected in the container, then the pressing plate 3 is pressed on the side wall of the container, the mounting plate 2 and the side wall of the container are fixedly connected by screwing screws into the plurality of connecting grooves 13 on the mounting plate 2, the compression spring 11 is compressed in the process of continuously screwing the screws, so that the elastic force of the compression spring 11 returns to enable the pressing plate 3 to be tightly attached to the side wall of the container, meanwhile, the sealing ring 4 is tightly attached to the side wall of the container, the generation of gaps is reduced, good tightness is realized, once the connection part is loosened in the normal detection process of the pressure transmitter, gas in the container enters the bottom of the mounting plate 2 through the gaps between the pressing plates 3 and then flows out from the plurality of through grooves 5, make arc elastic membrane 6 swell, the arc elastic membrane 6 that swells can extrude push switch 9, make bulb 8 open like this, 8 twinkles of bulb reminds the operator in time to inspect the maintenance.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A pressure transmitter for a vessel, comprising a pressure transmitter body (1), characterized in that: the bottom fixedly connected with mounting panel (2) of pressure transmitter body (1), evenly open and chisel on mounting panel (2) has a plurality of spread grooves (13), the middle part of mounting panel (2) bottom is opened and is chiseled and has a plurality of mounting grooves (10).

2. A pressure transmitter for a vessel according to claim 1, wherein: evenly open on mounting panel (2) and chisel and have a plurality of logical groove (5), the equal fixedly connected with arc elastic membrane (6) in the position department that corresponds of mounting panel (2) top and a plurality of logical groove (5).

3. A pressure transmitter for a vessel according to claim 1, wherein: it is a plurality of one side that leads to groove (5) all is equipped with L shape fixed plate (7), and is a plurality of the bottom of L shape fixed plate (7) respectively with the top fixed connection of mounting panel (2), it is a plurality of the equal fixedly connected with press switch (9) of a lateral wall of L shape fixed plate (7), it is a plurality of press switch (9) position respectively with a plurality of arc elastic membrane (6) position just right.

4. A pressure transmitter for a vessel according to claim 3, wherein: a plurality of bulbs (8) are fixedly mounted on the other side wall of the L-shaped fixing plate (7), and the bulbs (8) are electrically connected with a power supply through a plurality of press switches (9) respectively.

5. A pressure transmitter for a vessel according to claim 1, wherein: a plurality of the equal fixedly connected with compression spring (11) in top of mounting groove (10) inner wall, the bottom of mounting panel (2) is equipped with clamp plate (3), and is a plurality of the bottom of compression spring (11) respectively with the top fixed connection of clamp plate (3).

6. A pressure transmitter for a vessel according to claim 1, wherein: fixedly connected with sealing washer (12) are located at the center of mounting panel (2) bottom, avris fixedly connected with sealing ring (4) of mounting panel (2) bottom.