CN218724515U - Intelligent liquid level pressure transmitter - Google Patents
Intelligent liquid level pressure transmitter Download PDFInfo
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- CN218724515U CN218724515U CN202222439228.3U CN202222439228U CN218724515U CN 218724515 U CN218724515 U CN 218724515U CN 202222439228 U CN202222439228 U CN 202222439228U CN 218724515 U CN218724515 U CN 218724515U
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- liquid level
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- crystal display
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model belongs to the technical field of the level measurement, a intelligence liquid level pressure transmitter is related to, including connecing liquid film piece, flange, intercommunication cable, connecting shell, slewing mechanism, explosion-proof electric box, changer circuit board, liquid crystal display and wiring board. The liquid receiving membrane is fixedly connected with the connecting flange into a whole, one end of the communicating cable is hermetically connected with the liquid receiving membrane, and the other end of the communicating cable is hermetically connected with the connecting shell; the connecting shell is integrally connected with the explosion-proof electrical box through the rotating mechanism; the explosion-proof electrical box is sequentially provided with a liquid crystal display screen, a transmitter circuit board and a wiring board; the liquid crystal display screen displays the measured liquid level value in real time, and the wiring board simultaneously uploads the measured liquid level digital signal to the instrument control system, so that the liquid level is remotely and intelligently monitored. The utility model has the advantages that: connect optional interchangeable of liquid film piece, connect liquid film piece and explosion-proof electric box sealed explosion-proof, 360 degrees rotatory demonstration, the long-range intelligent monitoring etc. of measuring liquid level of liquid crystal display.
Description
Technical Field
The utility model relates to an intelligence liquid level pressure transmitter belongs to liquid level measurement technical field.
Background
The liquid level pressure transmitter is an extension and development of the pressure transmitter technology, the monocrystalline silicon technology and the packaging technology are adopted, the monocrystalline silicon pressure sensor utilizes the piezoresistive effect of monocrystalline silicon, the integrated circuit technology is applied on a monocrystalline silicon film, a group of equivalent resistors are diffused in the specific direction of the monocrystalline silicon, the resistors are connected into an electric bridge, and the monocrystalline silicon is placed in a sensor cavity. When the liquid pressure changes, the monocrystalline silicon generates strain, so that the strain resistance directly diffused on the monocrystalline silicon generates change proportional to the measured pressure, and the change is converted into a standard electric signal by a bridge circuit and is output externally.
However, the existing liquid level pressure transmitter still has the problems that the liquid receiving membrane is not replaceable, the liquid receiving membrane and the electric connection box are sealed and explosion-proof, the liquid crystal digital display gauge outfit is adjustable in rotation, the measured liquid level is remotely and intelligently monitored, and the like.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an intelligence liquid level pressure transmitter has and connects optional interchangeable of liquid film sheet matter, connects liquid diaphragm and the sealed explosion-proof of electrical connection box, digital display gauge outfit rotation adjustable, function effects such as the long-range intelligent monitoring of institute's liquid level.
In order to realize the above function and effect, the utility model discloses a following technical scheme:
an intelligent liquid level pressure transmitter comprises a liquid receiving diaphragm, a connecting flange, a communicating cable, a connecting shell, a rotating mechanism, an explosion-proof electrical box, a transmitter circuit board, a liquid crystal display screen and a wiring board. The liquid receiving membrane is firmly connected with a connecting flange into a whole, and the connecting flange is connected with the pipeline of the measured liquid level container in an installing way; one end of the communicating cable is hermetically connected with the liquid receiving membrane, and the other end of the communicating cable is hermetically connected with the connecting shell; the connecting shell is integrally connected with the explosion-proof electrical box through the rotating mechanism; the explosion-proof electrical box is sequentially provided with a liquid crystal display screen, a transmitter circuit board and a wiring board; the liquid crystal display screen is connected with the transmitter circuit board through a wiring board cable and displays the measured liquid level value in real time.
Further optimization, the liquid receiving diaphragm and the explosion-proof electric box are designed according to the explosion-proof level Ex d II CT6 standard, are sealed and explosion-proof, and can be used in places with explosive gas risks.
Further optimize, slewing mechanism and explosion-proof electric box integral connection realize that liquid crystal display 360 degrees do not have the blind area rotatory demonstration.
And further optimizing, uploading the measured liquid level digital signal to an instrument control system through the wiring board, and realizing remote monitoring of the liquid level through a liquid level indicator and a liquid level recorder.
The utility model has the advantages that: the liquid receiving film sheet material can be selected and replaced, the liquid receiving film sheet and the explosion-proof electric box are sealed and explosion-proof, the liquid crystal display screen has 360-degree non-blind area display, and the effects of liquid level remote intelligent monitoring and the like are realized.
Drawings
Fig. 1 is a schematic structural view of an intelligent liquid level pressure transmitter of the present invention;
fig. 2 is the utility model relates to an intelligent two-wire system wiring diagram of intelligence liquid level pressure transmitter.
In the figure: the liquid level meter comprises a liquid receiving diaphragm 1, a connecting flange 2, a connecting cable 3, a connecting shell 4, a rotating mechanism 5, an explosion-proof electrical box 6, a transmitter circuit board 7, a liquid crystal display screen 8, a wiring board 9, a liquid level indicator 10 and a liquid level recorder 11.
Detailed Description
In order to deepen the understanding of the present invention, the following drawings in the embodiments of the present invention will be combined to further detail the technical solution in the embodiments of the present invention, and this embodiment is only used for explaining the present invention, and does not constitute the limitation to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides an intelligence liquid level pressure transmitter, including connecing liquid film piece 1, flange 2, intercommunication cable 3, connecting shell 4, slewing mechanism 5, explosion-proof electric box 6, transmitter circuit board 7, liquid crystal display 8 and wiring board 9. The liquid receiving membrane 1 and the connecting flange 2 are fixedly connected into a whole, and the connecting flange 2 is connected with the measured liquid level container pipeline in an installing mode. One end of the communicating cable 3 is hermetically connected with the liquid receiving diaphragm 1, and the other end of the communicating cable is hermetically connected with the connecting shell 4. The connecting shell 4 is integrally connected with an explosion-proof electrical box 6 through a rotating mechanism 5. The explosion-proof electrical box 6 is equipped with liquid crystal display 8, changer circuit board 7 and wiring board 9 in proper order. The liquid crystal display screen 8 is connected with the transmitter circuit board 7 through a wiring board 9 by a cable, and displays the measured liquid level value in real time.
The liquid receiving diaphragm 1 and the explosion-proof electric box 6 are designed according to the explosion-proof level Ex d II CT6 standard, are sealed and explosion-proof, and can be used in places with explosive gas risks.
The slewing mechanism 5 and the explosion-proof electric box 6 integral connection, through rotatory explosion-proof electric box 6, 360 degrees non-blind areas demonstration can be realized to liquid crystal display 8.
The wiring board 9 uploads a measured liquid level digital signal to an instrument control system through a cable, and the liquid level remote intelligent monitoring is realized through a liquid level indicator 10 and a liquid level recorder 11.
The utility model discloses a theory of operation:
the utility model provides an intelligence liquid level pressure transmitter, is including connecing liquid diaphragm 1, flange 2, intercommunication cable 3, connecting housing 4, slewing mechanism 5, explosion-proof electric box 6, changer circuit board 7, liquid crystal display 8 and wiring board 9. The utility model discloses a monocrystalline silicon technique and packaging technology connect liquid diaphragm 1 to utilize the piezoresistive effect of monocrystalline silicon, connect the integrated circuit technology of applying on liquid diaphragm 1, at the specific direction diffusion a set of equivalence resistance of monocrystalline silicon to connect into the electric bridge with resistance. When the liquid pressure changes, the monocrystalline silicon generates strain, so that the strain resistance directly diffused on the monocrystalline silicon generates change proportional to the measured pressure, and then the change is converted into a standard 4-20 mA current signal by a bridge circuit in the transmitter circuit board 7. The two-wire system 4-20 mA current signal is output externally, the signal is converted through the wiring board 9 and is transmitted to the liquid crystal display screen 8, the measured liquid level digital value is displayed in real time, the wiring board 9 uploads the measured liquid level digital signal to the instrument control system through a cable, and remote intelligent monitoring of the liquid level is realized through the liquid level indicator 10 and the liquid level recorder 11.
The utility model discloses a connect liquid diaphragm 1 and explosion-proof electric box 6 according to explosion-proof level Ex d II CT6 standard design, sealed explosion-proof can be used in the dangerous place of explosive gas. In addition, slewing mechanism 5 and explosion-proof electric box 6 are whole to be connected, and through rotatory explosion-proof electric box 6, 360 degrees non-blind areas show can be realized to liquid crystal display 8.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structure changes, modifications, and improvements made by using the contents of the specification and the drawings should be included in the patent protection scope of the present invention.
Claims (4)
1. The utility model provides an intelligence liquid level pressure transmitter, is including connecing liquid membrane (1), flange (2), intercommunication cable (3), connect casing (4), slewing mechanism (5), explosion-proof electric box (6), changer circuit board (7), liquid crystal display (8) and wiring board (9), its characterized in that: the liquid receiving diaphragm (1) is fixedly connected with a connecting flange (2) into a whole, and the connecting flange (2) is connected with a measured liquid level container pipeline in an installing mode; one end of the communicating cable (3) is hermetically connected with the liquid receiving membrane sheet (1), and the other end of the communicating cable is hermetically connected with the connecting shell (4); the connecting shell (4) is integrally connected with the explosion-proof electrical box (6) through the rotating mechanism (5); the explosion-proof electrical box (6) is sequentially provided with a liquid crystal display screen (8), a transmitter circuit board (7) and a wiring board (9); and the liquid crystal display screen (8) is connected with the transmitter circuit board (7) through a wiring board (9) and a cable, and displays the measured liquid level value in real time.
2. The intelligent liquid level pressure transmitter as claimed in claim 1, wherein the liquid receiving membrane (1) and the explosion-proof electrical box (6) are designed according to the standard of explosion-proof grade Ex diict 6, and are sealed and explosion-proof.
3. The intelligent liquid level pressure transmitter of claim 1, wherein the liquid crystal display (8) realizes a 360-degree rotation display.
4. The intelligent liquid level pressure transmitter as claimed in claim 1, wherein the wiring board (9) uploads a digital signal of the measured liquid level to an instrument control system, and remote intelligent monitoring of the liquid level is realized through the liquid level indicator (10) and the liquid level recorder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222439228.3U CN218724515U (en) | 2022-09-15 | 2022-09-15 | Intelligent liquid level pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222439228.3U CN218724515U (en) | 2022-09-15 | 2022-09-15 | Intelligent liquid level pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218724515U true CN218724515U (en) | 2023-03-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222439228.3U Active CN218724515U (en) | 2022-09-15 | 2022-09-15 | Intelligent liquid level pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218724515U (en) |
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2022
- 2022-09-15 CN CN202222439228.3U patent/CN218724515U/en active Active
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