CN211740480U

CN211740480U - Double-flange liquid level transmitter

Info

Publication number: CN211740480U
Application number: CN202020409864.XU
Authority: CN
Inventors: 刘洪泉
Original assignee: Wuxi Hengxin Measurement And Control Instrument Co ltd
Current assignee: Wuxi Hengxin Measurement And Control Instrument Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-10-23
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a two flange liquid level changer, including gauge outfit and casing, the front end of gauge outfit is provided with display panel, display panel's lower extreme and be provided with the control key on the surface of gauge outfit, the lower part at the gauge outfit is installed to the casing, the inside of casing is fixed and is provided with the measurement diaphragm, the left and right sides of measuring the diaphragm is provided with a pair of lead tube, and is a pair of the one end that the measurement diaphragm was kept away from to the lead tube all is provided with the relief valve, the other end fixed connection of relief valve is provided with the capillary, the capillary is kept away from the one end of relief valve is provided with the end cap of releasing, the tip that the capillary was kept away from to the end cap of releasing is provided with the ring flange, the front end of. The utility model has the advantages of reasonable design, utilize the bleeder valve of installing on bleeder valve hole and the capillary, can reach the effect of quick blowdown, level measurement is more accurate, and the practicality is strong.

Description

Double-flange liquid level transmitter

Technical Field

The utility model relates to a level measurement technical field specifically is a double flange liquid level changer.

Background

The double-flange liquid level transmitter is a differential pressure transmitter, is a transmitter for measuring the pressure difference between two ends of the transmitter and outputs standard signals (such as 4-20 mA and 1-5V). The differential pressure transmitter is different from a common pressure transmitter in that the differential pressure transmitter is provided with 2 pressure interfaces, the differential pressure transmitter is generally divided into a positive pressure end and a negative pressure end, and the pressure of the positive pressure end of the differential pressure transmitter can be measured only when being larger than the pressure of a negative pressure section.

The liquid level transmitter has wide application, is mainly used for measuring the liquid level of materials stored in various storage tanks, containers and pipelines in the industrial production process, and can also be used for measuring the liquid level of media with high temperature, high pressure, strong corrosion and the like. However, the existing liquid level transmitter has low measurement accuracy, large volume and complex operation, and in addition, some sludge in the measured medium easily causes blockage in the measurement process, which affects the normal use of the transmission pipeline, thereby increasing the measurement error and ensuring inaccurate measurement accuracy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two flange liquid level changer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-flange liquid level transmitter comprises a gauge head and a shell, wherein the front end of the gauge head is provided with a display panel, the lower end of the display panel and the surface of the gauge outfit are provided with control keys, the shell is arranged at the lower part of the gauge outfit, a measuring diaphragm is fixedly arranged in the shell, a pair of lead pipes are arranged on the left side and the right side of the measuring diaphragm, one ends of the pair of lead pipes far away from the measuring diaphragm are respectively provided with a relief valve, the discharge valve is arranged outside the shell, the other end of the discharge valve is fixedly connected with a capillary tube, a discharge plug is arranged at one end of the capillary tube far away from the discharge valve, a flange plate is arranged at the end part of the discharge plug far away from the capillary tube, the front end of the shell is provided with a vent hole, the periphery of the vent valve is provided with fixing screws at the front end of the shell, and the top of the gauge outfit is provided with a wire pipe interface.

Preferably, the outer end face of the flange plate is provided with a flange diaphragm and bolt holes.

Preferably, the outer end of the flange diaphragm is provided with a corrosion-resistant ring.

Preferably, a connecting piece is arranged on the lead pipe between the relief valve and the outer end face of the shell, and the connecting piece is provided with a flange which can be turned over.

Preferably, the number of the flanges is two, and the two flanges have the same structure.

Preferably, the discharge plug and the flange plate are connected in a welding mode, and a sealing ring is arranged in the discharge plug.

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

1. the utility model can effectively solve the problem that some sludge in the measured medium blocks the transmission pipeline by installing the discharge valve hole and the discharge valve installed on the capillary tube outside the shell, and can discharge sewage quickly, thereby improving the accuracy of liquid level measurement and having certain practicability;

2. the utility model discloses the corrosion-resistant circle of simultaneous design at ring flange externally mounted can effectively protect the use of ring flange in adverse circumstances, in addition, the sealing washer of installation in connecting and releasing the end cap with the welding mode between the capillary and the end cap of releasing can effectively guarantee the leakproofness of device, has maintained the good sealed effect of liquid level transmitter, and overall structure is simple, reasonable in design, and the practicality is strong, has advantages such as excellent in use effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a double-flange liquid level transmitter of the present invention;

FIG. 2 is a schematic diagram of an appearance structure of a double-flange liquid level transmitter of the present invention;

FIG. 3 is an enlarged schematic view of the position A in FIG. 1 of the dual-flange liquid level transmitter of the present invention;

fig. 4 is the utility model relates to a two flange level changer ring flange spatial structure sketch map.

In the figure: 1. a gauge head; 2. a display panel; 3. a control key; 4. a housing; 5. measuring the diaphragm; 6. a lead tube; 7. a relief valve; 8. a capillary tube; 9. a discharge plug; 10. a flange plate; 11. a vent hole; 12. a set screw; 13. a wire tube interface; 14. a flange diaphragm; 15. Bolt holes; 16. a corrosion resistant ring; 17. a connecting member; 18. and (5) sealing rings.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a double-flange liquid level transmitter comprises a gauge head 1 and a shell 4, wherein a display panel 2 is embedded and installed at the front end of the gauge head 1, a control key 3 is embedded and installed at the lower end of the display panel 2 and on the surface of the gauge head 1, the shell 4 is installed at the lower part of the gauge head 1, a measurement diaphragm 5 is fixedly installed inside the shell 4, a pair of lead pipes 6 are installed at the left side and the right side of the measurement diaphragm 5, a discharge valve 7 is installed at one end, far away from the measurement diaphragm 5, of each lead pipe 6, the discharge valve 7 is installed outside the shell 4, a capillary 8 is fixedly connected and installed at the other end of the discharge valve 7, a discharge plug 9 is fixedly installed at one end, far away from the discharge valve 7, of the capillary 8, a mounting flange plate 10 is fixedly connected and installed at the end, far away from the capillary 8, of the discharge plug 9 is provided with a hole 11, a fixing, the top of the gauge outfit 1 is welded with a conduit interface 13.

A flange diaphragm 14 and a bolt hole 15 are mounted on the outer end face of the flange plate 10, so that the flange diaphragm 14 can be fixedly connected with an external measuring container through the bolt hole 15, and impurities in a measured medium can be effectively prevented from entering a transmitter by the designed and mounted flange diaphragm 14; the outer end of the flange diaphragm 14 is provided with the corrosion-resistant ring 16, so that the flange diaphragm 14 is suitable for severe environment, effective corrosion resistance is realized, and the service life is prolonged; a connecting piece 17 is sleeved on the lead pipe 6 between the discharge valve 7 and the outer end face of the shell 4, and the connecting piece 17 can be turned over, so that the lead pipe can be turned over freely and is not easily influenced by the use environment; two flange plates 10 are arranged in number, and the two flange plates 10 have the same structure, so that the liquid level measurement precision can be effectively improved; the drainage plug 9 and the flange plate 10 are connected in a welding mode, and the sealing ring 18 is fixedly installed in the drainage plug 9, so that the liquid level transmitter can have better sealing performance due to the connection.

The working principle is as follows: the utility model discloses a when using, at first through wire pipe interface 13 installation wire pipe, through bolt hole 15 and outside measurement container fixed connection on the ring flange 10, then start control key 3 and begin to measure the liquid level, the data that reachs shows the record on display panel 2, furthermore, through the bleeder valve 7 of installation on the bleeder valve hole 11 and the capillary 8 of installation on casing 4, can effectively solve in the measured medium if the phenomenon of silt can block up transmission pipeline, can reach quick blowdown through these parts, make to measure more accurately, the error diminishes, the device overall design is reasonable, and the device has the advantages of simple operation, high durability and convenient use, excellent in use effect and the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 double flange level transmitter, includes gauge outfit (1) and casing (4), its characterized in that: the front end of the gauge head (1) is provided with a display panel (2), the lower end of the display panel (2) is provided with a control key (3) on the surface of the gauge head (1), the shell (4) is installed on the lower portion of the gauge head (1), a measuring diaphragm (5) is fixedly arranged inside the shell (4), a pair of lead pipes (6) is arranged on the left side and the right side of the measuring diaphragm (5), one ends, far away from the measuring diaphragm (5), of the pair of lead pipes (6) are both provided with a discharge valve (7), the discharge valve (7) is installed outside the shell (4), the other end of the discharge valve (7) is fixedly connected with a capillary tube (8), one end, far away from the discharge valve (7), of the capillary tube (8) is provided with a discharge plug (9), and the end, far away from the capillary tube (8), of the discharge plug (9) is provided with a flange (, the front end of casing (4) is provided with bleeder valve hole (11), around bleeder valve (7) and the front end of casing (4) is provided with set screw (12), the top of gauge outfit (1) is provided with wire tube interface (13).

2. The dual flange level transmitter of claim 1 wherein: and a flange diaphragm sheet (14) and a bolt hole (15) are arranged on the outer end face of the flange plate (10).

3. A dual flange level transmitter as claimed in claim 2, wherein: and the outer end of the flange diaphragm (14) is provided with a corrosion-resistant ring (16).

4. The dual flange level transmitter of claim 1 wherein: and a connecting piece (17) is arranged on the lead pipe (6) between the discharge valve (7) and the outer end face of the shell (4), and the connecting piece (17) is provided with a flange which can be turned over.

5. The dual flange level transmitter of claim 1 wherein: the number of the flange plates (10) is two, and the two flange plates (10) have the same structure.

6. The dual flange level transmitter of claim 1 wherein: the discharging plug (9) is connected with the flange plate (10) in a welding mode, and a sealing ring (18) is arranged in the discharging plug (9).