CN207528298U - Liquid storage container liquid level emasuring device - Google Patents
Liquid storage container liquid level emasuring device Download PDFInfo
- Publication number
- CN207528298U CN207528298U CN201721389490.4U CN201721389490U CN207528298U CN 207528298 U CN207528298 U CN 207528298U CN 201721389490 U CN201721389490 U CN 201721389490U CN 207528298 U CN207528298 U CN 207528298U
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- CN
- China
- Prior art keywords
- transmitter
- communication module
- pressure
- module
- host computer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The utility model is related to a kind of liquid storage container liquid level emasuring devices, are installed on the first pressure transmitter of container top, are installed on the second pressure transmitter of container bottom；First pressure transmitter includes module, the pressure in the space of first pressure sensor collection container inner top ullage when communication module, the first data processing module, the first host computer communication module, the first school between first pressure sensor, the first transmitter；Second pressure transmitter includes module when communication module, the second data processing module, the second host computer communication module, the second school between second pressure sensor, the second transmitter, the hydrostatic pressure of bottom in second pressure sensor collection container；First data processing module or the second data processing module are used for the pressure value electric signal sent according to first pressure sensor, second pressure sensor to calculate the liquid level in container.This measuring device avoids the series installation and maintenance issues caused by installation pressure guiding pipe, improves reliability, reduces cost.
Description
Technical field
The utility model is related to a kind of liquid storage container liquid level emasuring devices.
Background technology
In the prior art, the liquid level elevation carrection side in the containers such as traditional pressure vessel, destilling tower, evaporator
Method, generally use differential pressure transmitter measure the pressure differential at tank bottom and tank deck and the liquid level in container are obtained accordingly.In order to
The pressure at tank bottom and tank deck is obtained, needs that elongated connecting pipe is installed, pressure is introduced into differential pressure transmitter, install elongated
Connecting pipe, on the one hand can increase the complexity and cost of installation, particularly winter needs to take connecting pipe heat supply anti-freezing and heat-insulating
Use cost is further increased in measure；On the other hand, pressure guiding pipe content is also easy to produce the shapes such as condensation, evaporation, blocking, leakage
Condition causes measuring device to fail, and increases maintenance cost.
Utility model content
For above-mentioned technical problem, the purpose of this utility model be to provide it is a kind of be convenient to mount and dismount, the liquid storage of Maintenance free hold
Device liquid level emasuring device.
The technical scheme for implementing the utility model is as follows：
Liquid storage container liquid level emasuring device, including first pressure transmitter, the second pressure transmitter being installed on container,
The first pressure transmitter is installed on container top, and second pressure transmitter is installed on container bottom；
The first pressure transmitter includes communication module between first pressure sensor, the first transmitter, at the first data
Module when managing module, the first host computer communication module, the first school, first pressure sensor collection container inner top ullage
The pressure in space, communicate mould between the output terminal of first pressure sensor and the first data processing module input terminal, the first transmitter
Block connects, and communication module is connect with the first data processing module between the first transmitter, the first data processing module and first upper
Machine communication module connects, and module is connected between the first transmitter between communication module, the first host computer communication module during the first school；
The second pressure transmitter includes communication module between second pressure sensor, the second transmitter, at the second data
Module when managing module, the second host computer communication module, the second school, the fluid pressure of bottom in second pressure sensor collection container
Power, communication module connects between the output terminal of second pressure sensor and the second data processing module input terminal, the second transmitter, the
Communication module is connect with the second data processing module between two transmitters, the second data processing module and the second host computer communication module
Connection, module is connected between the second transmitter between communication module, the second host computer communication module during the second school；
Signal connects between communication module between communication module, the second transmitter between first transmitter, the first host computer
Communication module, the second host computer communication module connection host computer；
First data processing module or the second data processing module are used for according to first pressure sensor, second pressure
The pressure value electric signal that sensor is sent calculates the liquid level in container.
Further, communication module is connect with the first host computer communication module signal between first transmitter, and described
Communication module is connect with the second host computer communication module signal between two transmitters.
Further, communication module, the communication of the first host computer between communication module, the second transmitter between first transmitter
Module, the second host computer communication module are bluetooth module or Zigbee module or WiFi communication module.
Above-mentioned technical proposal is employed, the device is using two independent pressure transmitters with wireless communication, wherein one
A pressure transmitter is installed on container top, and for measuring the pressure of container inner top ullage space, another pressure becomes
Device installation and container bottom are sent, for measuring the hydrostatic pressure in container bottom, and according to first pressure sensor, the second pressure
The pressure value electric signal that force snesor is sent calculates the liquid level in container.This measuring device is eliminated using pressure guiding pipe tradition
The defects of measurement method is brought avoids series installation and maintenance issues caused by installation pressure guiding pipe, improves reliability,
Reduce cost.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the functional block diagram of the utility model；
Fig. 3 is the process flow block diagram of first pressure transmitter in the utility model；
In attached drawing, 1 is container, and 2 be first pressure transmitter, and 3 be second pressure transmitter, and 4 be the inspection of pressure transmitter
End is surveyed, 5 be connecting flange.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, it is described
Embodiment is the part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained under the premise of without creative work, all belongs to
In the range of the utility model protection.
It please refers to shown in Fig. 1,2,3, liquid storage container liquid level emasuring device, the first pressure including being installed on container 1 becomes
Device 2, second pressure transmitter 3 are sent, first pressure transmitter is installed on the top side outside container, the installation of second pressure transmitter
In the bottom side outside container；The test side 4 of two pressure transmitters is installed on container by connecting flange 5 and extend into appearance
Inside device, to be acquired the installation and dismounting that are also convenient for pressure transmitter to container inner pressure.
Shown in Figure 2, first pressure transmitter includes communication module between first pressure sensor, the first transmitter, the
Module when one data processing module, the first host computer communication module, the first school, first pressure sensor collection container inner top liquid
The pressure in the space on face top, the output terminal of first pressure sensor and the first data processing module input terminal, the first transmitter
Between communication module connect, communication module is connect with the first data processing module between the first transmitter, the first data processing module and
First host computer communication module connects, and module is connected to communication module, the communication of the first host computer between the first transmitter during the first school
Between module.
Second pressure transmitter includes communication module, the second data processing mould between second pressure sensor, the second transmitter
Module when block, the second host computer communication module, the second school, the hydrostatic pressure of bottom in second pressure sensor collection container,
Communication module connects between the output terminal of second pressure sensor and the second data processing module input terminal, the second transmitter, and second
Communication module is connect with the second data processing module between transmitter, and the second data processing module and the second host computer communication module connect
It connects, module is connected between the second transmitter between communication module, the second host computer communication module during the second school.
Signal connects between communication module between communication module, the second transmitter between first transmitter, the communication of the first host computer
Module, the second host computer communication module connection host computer；First data processing module or the second data processing module are used for basis
The pressure value electric signal that first pressure sensor, second pressure sensor are sent calculates the liquid level in container.
In implementation, communication module is connect with the first host computer communication module signal between the first transmitter, second pick-up
Communication module is connect with the second host computer communication module signal between device.Lead between communication module, the second transmitter between first transmitter
It is bluetooth module or Zigbee module or WiFi communication to believe module, the first host computer communication module, the second host computer communication module
Module or 2G/3G/4G communication modules or NB-IOT communication modules etc..
This liquid level emasuring device includes two independent pressure transmitters for carrying wireless interface, one of pressure transmitter
Container top is installed on, for measuring the pressure P1 of tank inner top ullage space, another pressure transmitter is installed on appearance
Device bottom, and the fluid connection in container, for receiving container inner top pressure and measuring in container caused by entire liquid level
The sum of static pressure P2, due to liquid level H=(P2-P1)/ρ g, wherein ρ is fluid density, and g is acceleration of gravity, so as to
Obtain the liquid level in container.
Two pressure transmitters all include the wireless interface (for example, bluetooth, Zigbee etc.) of short distance transmission.Pass through short distance
The wireless communication interface of transmission, two pressure transmitters can be mutually synchronized the pressure measuring value of other side and time of measuring value,
And with oneself measured by time on the pressure measuring value that matches acquire liquid level in container together.Become with first pressure
For sending device, referring to Fig. 3, the one group of pressure measuring value (P1 of its ownt1,t1)、(P1t2, t2) ..., by becoming with second pressure
The synchronization of device is sent, one group of measured value (P2 of second pressure transmitter can be gott1,t1)、(P2t2, t2) ..., according to above
Calculation formula liquid level (H in container can be obtainedt1,t1)、(Ht2,t2)、….Similarly, second pressure transmitter also may be used
Liquid level height value (H in same container is obtainedt1,t1)、(Ht2,t2)、…。
Two pressure transmitters all include host computer communication module, can be with host computer (such as local controller, distal end
Intelligent terminal etc. used in server, patrol personnel) carry out data interaction.Since two pressure transmitters can calculate container
Interior liquid level simultaneously carries out data upload by respective host computer communication interface, and which achieves the 1+1 backup that data upload
Function.When the host computer communication module of some pressure transmitter breaks down, which can be by the measurement of oneself
Communication module sends another pressure transmitter between the transmitter that value and status information are transmitted by short distance, by another pressure
The host computer communication module of power transmitter is forwarded.In addition, if the mould that communicates between transmitter between two pressure transmitters
Block breaks down, and measured pressure value can be also uploaded to by two pressure transmitters by respective host computer communication module
Position machine, the calculating of liquid level is carried out by host computer.What these mutually redundant measures can be substantially improved entire measuring device can
By property.
Two pressure transmitters can obtain unified system time by host computer communication module and synchronization is calibrated.This
Outside, two pressure transmitters can also mutually be carried out same during time school by the communication module that mutual short-distance wireless transmits
Step ensures that the run time of two pressure transmitters is consistent, it is ensured that the synchronization of pressure acquisition and level measurement it is accurate
Property.
This liquid level emasuring device solves some shortcomings using traditional static pressure difference tank gage.Meanwhile pass through two independences
Wireless pressure transmitter measurement method, improve the convenience and operational reliability of installation and the maintenance of whole device.
Claims (3)
1. liquid storage container liquid level emasuring device, including first pressure transmitter, the second pressure transmitter being installed on container,
It is characterized in that, the first pressure transmitter is installed on container top, and second pressure transmitter is installed on container bottom；
The first pressure transmitter includes communication module, the first data processing mould between first pressure sensor, the first transmitter
Module when block, the first host computer communication module, the first school, the space of first pressure sensor collection container inner top ullage
Pressure, between the output terminal of first pressure sensor and the first data processing module input terminal, the first transmitter communication module connect
It connects, communication module is connect with the first data processing module between the first transmitter, and the first data processing module leads to the first host computer
Believe module connection, module is connected between the first transmitter between communication module, the first host computer communication module during the first school；
The second pressure transmitter includes communication module, the second data processing mould between second pressure sensor, the second transmitter
Module when block, the second host computer communication module, the second school, the hydrostatic pressure of bottom in second pressure sensor collection container,
Communication module connects between the output terminal of second pressure sensor and the second data processing module input terminal, the second transmitter, and second
Communication module is connect with the second data processing module between transmitter, and the second data processing module and the second host computer communication module connect
It connects, module is connected between the second transmitter between communication module, the second host computer communication module during the second school；
Signal connects between communication module between communication module, the second transmitter between first transmitter, the communication of the first host computer
Module, the second host computer communication module connection host computer；
First data processing module or the second data processing module are used to be sensed according to first pressure sensor, second pressure
The pressure value electric signal that device is sent calculates the liquid level in container.
2. liquid storage container liquid level emasuring device as described in claim 1, which is characterized in that communicate mould between first transmitter
Block is connect with the first host computer communication module signal, and communication module is believed with the second host computer communication module between second transmitter
Number connection.
3. liquid storage container liquid level emasuring device as claimed in claim 1 or 2, which is characterized in that lead between first transmitter
Believe module, communication module between the second transmitter, the first host computer communication module, the second host computer communication module for bluetooth module or
Zigbee module or WiFi communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721389490.4U CN207528298U (en) | 2017-10-25 | 2017-10-25 | Liquid storage container liquid level emasuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721389490.4U CN207528298U (en) | 2017-10-25 | 2017-10-25 | Liquid storage container liquid level emasuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207528298U true CN207528298U (en) | 2018-06-22 |
Family
ID=62570879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721389490.4U Expired - Fee Related CN207528298U (en) | 2017-10-25 | 2017-10-25 | Liquid storage container liquid level emasuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207528298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540072A (en) * | 2018-11-01 | 2019-03-29 | 中国船舶重工集团公司第七〇九研究所 | It is applicable in the safety injection tank swing angle measurement method of Yu Haiyang's nuclear power platform |
-
2017
- 2017-10-25 CN CN201721389490.4U patent/CN207528298U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540072A (en) * | 2018-11-01 | 2019-03-29 | 中国船舶重工集团公司第七〇九研究所 | It is applicable in the safety injection tank swing angle measurement method of Yu Haiyang's nuclear power platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20191025 |