CN218349584U

CN218349584U - High-sensitivity liquid level transmitter

Info

Publication number: CN218349584U
Application number: CN202222865906.2U
Authority: CN
Inventors: 侯德辉; 王辅信
Original assignee: Tianjin Ruicheng Electronic Instrument Co ltd
Current assignee: Tianjin Ruicheng Electronic Instrument Co ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-01-20
Anticipated expiration: 2032-10-29

Abstract

The utility model belongs to the technical field of the liquid level changer technique and specifically relates to a liquid level changer of high sensitivity, including container wall and ring flange, the ring flange is installed in the left side of container wall, the ring flange links to each other with container wall screw thread through a plurality of first bolts, the internally mounted of ring flange has connecting device, fixing device is installed in the left side of container wall. After the insertion sleeve enters the container wall, the liquid level is measured through the conduction action of the capillary filled with the silicone oil, and meanwhile, the heat-insulating layer and the corrosion-resistant layer are arranged on the outer wall of the insertion sleeve, so that the heat-insulating and corrosion-resistant characteristics of the insertion sleeve can be realized, the problem that the sensitivity of the insertion sleeve is reduced due to the influence of high temperature of liquid for a long time is avoided, and the detection error is caused.

Description

High-sensitivity liquid level transmitter

Technical Field

The utility model relates to a liquid level changer technical field specifically is a liquid level changer of high sensitivity.

Background

The liquid level transmitter is an extension and development of the pressure transmitter technology, and realizes accurate measurement and transmission of the volume, liquid height and weight of water, oil and paste according to the principle that the pressure generated by liquids with different specific gravities at different heights is in a linear relation. It is an ideal measuring instrument in the fields of petroleum, chemical industry, metallurgy, power stations, light industry, municipal engineering and the like.

A plug-in level transmitter, such as the authorization publication No. CN 217637542U, includes a housing. The utility model discloses a set up the extension to the capillary, thereby can carry out filling of silicon oil to the capillary inside, thereby improve measuring precision, but set up the adapter sleeve on the right side of sensor in the aforesaid, flange and plug-in cover etc, the rethread flange is connected with the container, nevertheless because the plug-in cover is in the liquid in the container, and some high-temperature liquid can appear in some large-scale containers possibly, these high-temperature liquid can carry out the washing away that lasts to the plug-in cover when flowing like this, thereby the plug-in cover is influenced by liquid high temperature for a long time, the sensitivity of liquid level transmitter must be reduced, make the detection error appear, only be connected fixedly through flange and positioning bolt etc. with the container in the while, sealed effect is not good like this, the gas leakage phenomenon appears easily, thereby can make the interior diaphragm department pressure of plug-in the plug-in cover of liquid level transmitter change and produce the change, and then just reduced the detection precision of liquid level transmitter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the liquid level transmitter in stating when using, it inserts cover department and receives liquid high temperature to influence the sensitivity that can reduce liquid level transmitter and sealed effect not good, reduces liquid level transmitter's detection precision easily, and the liquid level transmitter of a high sensitivity who provides.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the design is a liquid level transmitter with high sensitivity, which comprises a container wall and a flange plate, wherein the flange plate is installed on the left side of the container wall, the flange plate is connected with the container wall through a plurality of first bolts in a threaded manner, the inside of the flange plate is provided with a connecting device, and a fixing device is installed on the left side of the container wall.

Preferably, the connecting device comprises a connecting portion, the outer wall of the connecting portion is fixedly connected with the inside of the flange, the outer wall of the right side of the connecting portion is in clearance fit with the inner wall of the opening of the container wall, an inserting sleeve is fixedly connected to the inside of the right side of the connecting portion, a high-temperature-resistant layer is fixedly connected to the outer wall of the inserting sleeve, and a corrosion-resistant layer is fixedly connected to the outer wall of the high-temperature-resistant layer.

Preferably, a connecting sleeve is fixedly connected to the inner portion of the left side of the connecting portion, and the inserting sleeve can be connected with the left side structure through the connecting sleeve.

Preferably, the sealing washer is installed to the right side outer wall of connecting portion, and the both ends outer wall of sealing washer laminate mutually with the outer wall of ring flange and container wall respectively, can improve the leakproofness of junction through the sealing washer.

Preferably, fixing device includes the starting stave, from top to bottom the starting stave all links to each other with the container wall screw thread through a plurality of second bolts, the left side rigid coupling of starting stave has the diaphragm, from top to bottom the inboard rigid coupling of diaphragm has the second riser, the internal thread connection of second riser has the screw rod.

Preferably, the outer wall of one end of the screw rod is fixedly connected with the rotating head, the outer wall of the other end of the screw rod is rotatably connected with the circular block, the outer wall of the right side of the circular block is attached to the outer wall of the flange plate, and the flange plate can be further abutted and fixed by the screw rod through the circular block.

The utility model provides a pair of high sensitivity's liquid level changer, beneficial effect lies in: after the insertion sleeve enters the container wall, the insertion sleeve is used for being in contact with liquid in the container wall through a membrane, a capillary and the like arranged in the insertion sleeve, the liquid level is measured through the conduction action of the capillary filled with silicone oil, and meanwhile, a heat insulation layer and a corrosion-resistant layer are arranged on the outer wall of the insertion sleeve, so that the insertion sleeve can be subjected to heat insulation and corrosion resistance, the situation that the insertion sleeve is influenced by high temperature of the liquid for a long time to reduce the sensitivity is avoided, and the detection error occurs;

can install the outer wall that inserts the cover with the sealing washer, and make the left side of sealing washer and the outer wall laminating of ring flange, later drive this device through the ring flange and remove, make the opening that inserts the cover and pass the container wall, make the right side of sealing washer and the outer wall laminating of container wall, the rethread first bolt carries out preliminary fixed with ring flange and container wall, later it is fixed with the container wall through the second bolt, the rotation is turned round, it rotates to drive the screw rod through turning round, the screw rod passes through the second riser like this alright with driving the circular block and removes, make the circular block further support tightly fixedly with the ring flange, thereby just improved the leakproofness between ring flange and the container wall, avoid appearing gas leakage phenomenon, can make the diaphragm department pressure remain stable in inserting the cover, the detection precision of this device has been improved.

Drawings

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

FIG. 2 is a plan sectional view of FIG. 1;

FIG. 3 is a schematic view of the seal ring, the connecting portion and the cross plate of FIG. 2;

FIG. 4 is a schematic view of the second riser, screw and swivel of FIG. 2;

fig. 5 is a schematic structural diagram of the second bolt, the first riser and the flange in fig. 2.

In the figure: 1. the container wall, 2, the ring flange, 3, connecting device, 301, connecting portion, 302, the insert cover, 303, high temperature resistant layer, 304, corrosion resistant layer, 4, fixing device, 401, the first riser, 402, the second bolt, 403, the diaphragm, 404, the second riser, 405, the screw rod, 4A1, the derailleur body, 4A2, the casing, 4A3, the display screen, 5, the first bolt, 6, the adapter sleeve, 7, the sealing washer, 8, the head of turning round, 9, circular piece.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings:

example 1:

referring to the attached drawings 1-5, in the embodiment, a high-sensitivity liquid level transmitter comprises a container wall 1 and a flange plate 2, wherein an opening is formed in the middle of the container wall 1, the flange plate 2 is installed on the left side of the container wall 1, the flange plate 2 is in threaded connection with the container wall 1 through 4 first bolts 5, a connecting device 3 is installed inside the flange plate 2, and a fixing device 4 is installed on the left side of the container wall 1.

Referring to fig. 1 and 2, the connection device 3 includes a connection portion 301, an insertion sleeve 302, a high temperature resistant layer 303 and a corrosion resistant layer 304, an outer wall of the connection portion 301 is fixedly connected to an interior of a flange 2, the connection portion 301 can be driven to move by the flange 2, and a right outer wall of the connection portion 301 is in clearance fit with an inner wall of an opening of the container wall 1, the insertion sleeve 302 is fixedly connected to the right interior of the connection portion 301, a capillary tube and a gasket are disposed in the insertion sleeve 302, and the liquid level can be measured, which is a prior art, and can be completely realized by those skilled in the art, for example, the technology is disclosed in an insertion type liquid level transmitter with an authorization publication No. CN 217637542U, so that the detailed measurement principle of the technology can refer to the comparison patent, so that the present application is not described in detail, the outer wall of the insertion sleeve 302 is fixedly connected to the high temperature resistant layer 303, the high temperature resistant layer 303 is made of vanadium and molybdenum, and has a better high temperature resistance, the outer wall of the high temperature resistant layer 304 is fixedly connected to the corrosion resistant layer 303, the corrosion layer 303 is made of chromium, the connection portion 301 is fixedly connected to the outer wall 7, and the sealing ring 7 is attached to the outer wall of the container wall, and the sealing ring 7, and the sealing ring is attached to the container wall of the container wall;

after the insertion sleeve 302 enters the container wall 1, the insertion sleeve 302 is used for contacting with liquid in the container wall 1 through a membrane, a capillary tube and the like arranged in the insertion sleeve 302, the liquid level is measured through the conduction effect of the capillary tube filled with silicon oil, and meanwhile, a heat insulation layer 303 and a corrosion-resistant layer 304 are arranged on the outer wall of the insertion sleeve 302, so that the insertion sleeve 302 can be subjected to heat insulation and corrosion resistance, the sensitivity reduction caused by the fact that the insertion sleeve 302 is influenced by the high temperature of the liquid for a long time is avoided, and the detection error is caused.

Referring to fig. 1-5, the fixing device 4 includes a first vertical plate 401, a second bolt 402, a horizontal plate 403, a second vertical plate 404 and a screw 405, the upper and lower first vertical plates 401 are all connected with the container wall 1 through 2 second bolts 402, the left side of the first vertical plate 401 is fixedly connected with the horizontal plate 403, the inner sides of the upper and lower horizontal plates 403 are fixedly connected with the second vertical plate 404, the screw 405 is connected with a screw 405 through internal threads of the second vertical plate 404, the screw 405 can move through the second vertical plate 404, the outer wall of one end of the screw 405 is fixedly connected with a rotor 8, the screw 405 can be driven to rotate through the rotor 8, the outer wall of the other end of the screw 405 is rotatably connected with a circular block 9, the outer wall of the right side of the circular block 9 is attached to the outer wall of the flange 2, and the screw 405 can further tightly abut against the flange 2 through the circular block 9;

can install the outer wall of inserting cover 302 with sealing washer 7, and make the left side of sealing washer 7 and the outer wall laminating of ring flange 2, later drive this device through ring flange 2 and remove, make the opening that inserts cover 302 and pass container wall 1, make the right side of sealing washer 7 and the outer wall laminating of container wall 1, rethread first bolt 5 carries out preliminary fixed with ring flange 2 and container wall 1, later it is fixed with first riser 401 and container wall 1 through second bolt 402, rotate swivel 8, it rotates to drive screw rod 405 through swivel 8, screw rod 405 like this through second riser 404 alright drive circular block 9 and remove, make circular block 9 further support tight fixed with ring flange 2, thereby just improved the leakproofness between ring flange 2 and the container wall 1, avoid appearing the gas leakage phenomenon, thereby alright make the diaphragm department pressure that inserts in the cover 302 keep stable, and then just improved the detection precision of this device.

In this embodiment, when an operator needs to use a high-sensitivity liquid level transmitter, the operator may first mount the sealing ring 7 on the outer wall of the insertion sleeve 302, and attach the left side of the sealing ring 7 to the outer wall of the flange 2, and then drive the apparatus to move through the flange 2, so that the insertion sleeve 302 passes through the opening of the container wall 1, so that the right side of the sealing ring 7 is attached to the outer wall of the container wall 1, and then preliminarily fix the flange 2 to the container wall 1 through the first bolt 5, and then fix the first vertical plate 401 to the container wall 1 through the second bolt 402, and rotate the swivel 8, and drive the screw 405 to rotate through the swivel 8, so that the screw 405 may drive the circular block 9 to move through the second vertical plate 404, so that the circular block 9 further abuts against and fixes the flange 2, thereby improving the sealing property between the flange 2 and the container wall 1, avoiding an air leakage phenomenon, so that the pressure at the diaphragm inserted into the insertion sleeve 302 may be kept stable, and further improving the detection accuracy of the apparatus;

after the insertion sleeve 302 enters the container wall 1, the insertion sleeve 302 is used for being in contact with liquid in the container wall 1 through a membrane, a capillary and the like arranged in the insertion sleeve 302, the liquid level is measured through the conduction effect of the capillary filled with silicon oil, and meanwhile, the heat insulation layer 303 and the corrosion-resistant layer 304 are arranged on the outer wall of the insertion sleeve 302, so that the insertion sleeve 302 can be subjected to heat insulation and corrosion resistance, the sensitivity of the insertion sleeve 302 is prevented from being reduced due to the influence of high temperature of the liquid for a long time, and errors occur in detection.

Example 2:

referring to fig. 1-5, in this embodiment, the utility model provides a technical solution: a high-sensitivity liquid level transmitter, wherein a fixing device 4 can also comprise a liquid level transmitter body 4A1, a shell 4A2 and a display screen 4A3, the right side of the liquid level transmitter body 4A1 is fixedly connected with a connecting sleeve 6, the shell 4A2 is fixedly connected above the liquid level transmitter body 4A1, the front end face of the shell 4A2 is fixedly connected with the display screen 4A3, and liquid level data can be detected through the display screen 4A 3;

can form a set of complete level transmitter through cooperation such as level transmitter body 4A1 and casing 4A2 and insert cover 302 to can detect the liquid level in the container wall 1.

In this embodiment, when an operator needs to use a high-sensitivity liquid level transmitter, a complete set of liquid level transmitter can be formed by inserting the sleeve 302 and the like through the matching of the liquid level transmitter body 4A1, the shell 4A2 and the like, so that the liquid level in the container wall 1 can be detected.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a high sensitivity's level transmitter, includes container wall (1) and flange dish (2), its characterized in that are installed to the left side of container wall (1): the novel water tank is characterized in that the flange plate (2) is in threaded connection with the tank wall (1) through a plurality of first bolts (5), a connecting device (3) is installed inside the flange plate (2), and a fixing device (4) is installed on the left side of the tank wall (1).

2. A high sensitivity fluid level transmitter as claimed in claim 1, wherein: connecting device (3) are including connecting portion (301), the outer wall of connecting portion (301) and the inside looks rigid coupling of ring flange (2), and the right side outer wall of connecting portion (301) and the opening part inner wall clearance fit of container wall (1), the inside rigid coupling in right side of connecting portion (301) has and inserts cover (302), the outer wall rigid coupling that inserts cover (302) has high temperature resistant layer (303), the outer wall rigid coupling of high temperature resistant layer (303) has corrosion resistant layer (304).

3. A high sensitivity fluid level transmitter as claimed in claim 2, wherein: a connecting sleeve (6) is fixedly connected inside the left side of the connecting part (301).

4. A high sensitivity fluid level transmitter as claimed in claim 2, wherein: sealing washer (7) are installed to the right side outer wall of connecting portion (301), and the both ends outer wall of sealing washer (7) is laminated with the outer wall of ring flange (2) and container wall (1) respectively mutually.

5. A high sensitivity fluid level transmitter as claimed in claim 1, wherein: fixing device (4) include riser (401), from top to bottom riser (401) all link to each other with container wall (1) screw thread through a plurality of second bolts (402), the left side rigid coupling of riser (401) has diaphragm (403), from top to bottom the inboard rigid coupling of diaphragm (403) has second riser (404), the internal thread connection of second riser (404) has screw rod (405).

6. The high sensitivity fluid level transmitter of claim 5, wherein: the one end outer wall rigid coupling of screw rod (405) has turn round (8), and the other end outer wall of screw rod (405) rotates and is connected with circular block (9), the right side outer wall of circular block (9) is laminated with the outer wall of ring flange (2) mutually.