CN2170506Y - Multi-parameter monitor for liquid tank - Google Patents
Multi-parameter monitor for liquid tank Download PDFInfo
- Publication number
- CN2170506Y CN2170506Y CN 93208805 CN93208805U CN2170506Y CN 2170506 Y CN2170506 Y CN 2170506Y CN 93208805 CN93208805 CN 93208805 CN 93208805 U CN93208805 U CN 93208805U CN 2170506 Y CN2170506 Y CN 2170506Y
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- pressure transducer
- fluid reservoir
- pressure
- piezo
- Prior art date
- 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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Abstract
The utility model relates to a multiparameter monitor for liquid storing tanks, which is composed of two pressure sensors (4), (5) arranged on two support frames (2), (3) in a liquid storing tank (1), two connecting pipes (7), (9), two protection sleeves (6), (8) of the connecting pipes, a positive piezoelectric transmitter (11), a differential voltage piezoelectric transmitter (10) and a signal processing apparatus (12). The altitude difference between the two pressure sensors is 300 to 1000mm. The distance from the pressure sensor (5) to the bottom of the tank is 100 to 300mm. The lower parts of the pressure sensors are provided with buffer belts. The diameters D of the buffer belts are greater than the diameters of the connecting pipes. The utility model adopts a three-section joint to ensure the sealing of connecting points. The monitor can monitor the parameters of liquid level, pressure, density, weight, etc.
Description
The utility model belongs to the fluid reservoir measurement instrument, particularly fluid reservoir multifunctional monitoring device.
Along with the development of society, development of technology, the storage tank of various flammable and combustible liquids (for example gasoline, diesel oil etc.) is increasing.For strengthening scientific management, must accurately carry out measuring multiple parameters (liquid level, density, weight etc.) to them to this class fluid reservoir.
Research and development activity in this field at present is very active, obtains many progress.
Notification number GG85200077 has described a kind of level indicator measuring device tool of fluid reservoir, is delivered to U-tube manometer by static pressure sensor, connecting pipe, the back pressure pipe of tank bottom, shows liquid level and liquid storage amount.This static pressure transducer is the cylindrical hollow container, and its volume is bigger, is not suitable for small-sized fluid reservoir, and measured value can not be carried at a distance, and can only measuring liquid level.
Notification number CN2060540U discloses a kind of pagoda type level pressure sensor, in its housing middle and lower part the through hole of experiencing the liquid level pressure signal is set, and housing top is not provided with valve connector.Solved the unstable and joint gas leakage problem of liquid level pressure signal, but also can only measuring liquid level, there not be to solve the problem of conveying signal at a distance yet.
The purpose of this utility model provides a kind of by two pressure transducers, two storage tank multi-parameter monitoring devices that piezoelectric signal converter and signal processing apparatus are constituted, be used to measure a plurality of parameters such as liquid level, pressure, fluid density and weight of fluid reservoir, so that realize control to fluid reservoir.
Another purpose of the present utility model provides and a kind ofly is made of hollow cylinder, has pressure transducer snubber assembly, good seal performance, and the fluid pressure in the fluid reservoir is carried out accurately and reliably measuring.
Another purpose of the present utility model provide a kind of good seal performance, by glueing joint and the compound joint of forming that is threaded, guarantee that detection system is not subjected to the influence of ambient atmos.
According to storage tank multi-parameter monitoring devices of the present utility model, by be bearing in two identical pressure transducers on the differing heights in the fluid reservoir, two connecting pipe and pillars thereof that are connected with this pressure transducer respectively with support, be connected on the signal processing apparatus that two piezoelectric senders of the piezoelectric sender outside fluid reservoir and this of two connecting pipe other ends are connected respectively and form.
According to pressure transducer of the present utility model, be a hollow cylinder, the lower end seal fully and with bracket supports at the bottom of the jar.The lower end of hollow cylinder is provided with two or several inlet openings, and the inlet opening top has a dividing plate that hollow cylinder is divided into upper and lower two parts, and there is an inlet opening at the dividing plate center.Liquid enters the hollow cylinder bottom from fluid reservoir through hollow cylinder lower end inlet opening, enters hollow cylinder top again after buffering.
The hollow cylinder upper surface is connected with connecting pipe and protection tube thereof.Pipe adapter employing fluid sealant is bonding to be tightened with thread, guarantees that joint is without any leakage.
Two connecting pipes join with two piezoelectric senders respectively, and one of them piezo-electric pick-up while and two connecting pipes join.After two piezoelectric sender output signals are handled, can draw the liquid level in the fluid reservoir respectively, parameters such as institute's tank body density, weight realize measuring multiple parameters.
Multi-parameter monitoring devices of the present utility model, widely applicable, the measuring accuracy height, installation and maintenance are easy, are a kind of desirable fluid reservoir monitoring devices.
Below in conjunction with accompanying drawing the utility model is elaborated.
Fig. 1 is a fluid reservoir multivariate monitoring device synoptic diagram of the present utility model.
Fig. 2 is a pipe adapter synoptic diagram of the present utility model.
As shown in Figure 1, parameter monitor device of the present utility model is installed in two supports (2) in the same fluid reservoir (1), pressure transducer (4), (5) on (3) respectively, be connected to connecting pipe (7), (9) and pillar (6) thereof, (8) on these two sensors (4), (5), be connected the malleation piezo-electric pick-up (11) on the connecting pipe (9), with the differential pressure piezoelectric sender (10) that connecting pipe (7) is connected with (9), form with the signal processing apparatus (12) that these two piezoelectric senders are connected.
According to the utility model, according to the size of fluid reservoir, the difference in height between pressure transducer (4) and (5) is in 300～1000mm scope, and the pressure transducer (5) and the distance at jar end are 100～300mm.
According to pressure transducer of the present utility model (4), (5), it is a hollow cylinder, the bottom surface sealing, 2 above inlet openings (41), (51) are arranged at the bottom, have a diaphragm plate (42), (52) that the sensor inner chamber is divided into upper and lower two parts above the inlet opening, there are an inlet opening (43), (53) in the diaphragm plate center.Pot liquid enters in the hollow cylinder from inlet opening, enters sensor top again after the diaphragm plate buffering, and pressure is acted on connecting pipe, and the size of pressure transducer intracavity diameter D depends on the fluid reservoir size, the length of connecting pipe.D should be much larger than the diameter d of connecting pipe.Be pressure transducer sectional area S
1＞＞connecting pipe sectional area S
2Distance is far away more from the pressure transducer to the piezo-electric pick-up, and the diameter of pressure transducer just should be big more.
According to the utility model, outside connecting pipe, be equipped with a concentric pillar.Between connecting pipe, pillar and pressure transducer, adopt fluid sealant and screw thread-nut double-layer seal technology, guarantee junction not leakage liquid and gas.
As shown in Figure 2, the connector that pressure transducer, piezo-electric pick-up and conduit are pressed has three sections, first section is truncated cone shape (15), guarantee can not come off after connecting pipe connects, be fluid sealant section (14) below the truncated cone section, bond together that following again is thread segment (13) with fluid sealant and connecting pipe, with screw thread-nut connecting pipe and pressure transducer, piezo-electric pick-up are linked together fully hermetically, solved joint gas leakage problem up hill and dale.
According to the utility model, signal processing apparatus (12) can be the indication instrument, also can be the data processing equipment of band microprocessor.When data processing equipment during, should adopt microprocessor to compensating because of error that transfer conduit caused away from fluid reservoir.
Adopt fluid reservoir multivariate proving installation of the present utility model, can measure the parameters such as liquid level, fluid density, weight of fluid reservoir according to malleation and differential pressure.System is solid reliable, the connector good seal performance, and the measuring accuracy height is applicable to the fluid reservoir of various different sizes.
Claims (3)
1, a kind of fluid reservoir multi-parameter monitoring devices of forming by pressure transducer and connecting pipe and pillar thereof, it is characterized in that by two supports (2) that are installed in respectively in the same fluid reservoir (1), (3) pressure transducer on (4), (5), be connected to the connecting pipe (7) on these two pressure transducers, (9) and pillar (6), (8), be connected the malleation piezo-electric pick-up (11) on the connecting pipe (9), the differential pressure piezo-electric pick-up (10) that is connected with (9) with connecting pipe (7), form with the signal processor (12) that these two piezo-electric pick-ups link to each other, size according to storage tank, difference in height between pressure transducer (4) and (5) is in 300～1000mm scope, and pressure transducer (5) and the distance at jar end are 100～300mm.
2, according to the fluid reservoir multi-parameter monitoring devices of claim 1, it is characterized in that said pressure transducer, it is a hollow cylinder, the bottom surface sealing, 2 above inlet openings (41), (51) are arranged at the bottom, there are a diaphragm plate (42), (52) that the sensor inner chamber is divided into two parts up and down above the inlet opening, there are an inlet opening (43), (53) in the diaphragm plate center, the size of the intracavity diameter D of this pressure transducer depends on the size of fluid reservoir (1) and the length of connecting pipe, but should be much larger than the connecting pipe diameter d.
3, according to the fluid reservoir multi-parameter monitoring devices of claim 1, it is characterized in that the connector between the connecting pipe and pressure transducer divides three sections between connecting pipe and piezo-electric pick-up, first section is frustum shaped, is the fluid sealant section below it, is thread segment below again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93208805 CN2170506Y (en) | 1993-04-06 | 1993-04-06 | Multi-parameter monitor for liquid tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93208805 CN2170506Y (en) | 1993-04-06 | 1993-04-06 | Multi-parameter monitor for liquid tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2170506Y true CN2170506Y (en) | 1994-06-29 |
Family
ID=33791169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93208805 Expired - Fee Related CN2170506Y (en) | 1993-04-06 | 1993-04-06 | Multi-parameter monitor for liquid tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2170506Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082598B (en) * | 2006-06-02 | 2011-04-20 | 中国石油天然气股份有限公司 | Oil pad interface detector |
| WO2015042929A1 (en) * | 2013-09-30 | 2015-04-02 | Rosemount Inc | Process variable transmitter with dual compartment housing |
| US9479201B2 (en) | 2014-03-26 | 2016-10-25 | Rosemount Inc. | Process variable transmitter with removable terminal block |
| CN106052950A (en) * | 2016-08-15 | 2016-10-26 | 成都众山科技有限公司 | High-precision wireless pressure transmitter |
| CN106052949A (en) * | 2016-08-15 | 2016-10-26 | 成都众山科技有限公司 | Pressure transmitter with function of current limiting protection |
| US9642273B2 (en) | 2013-09-25 | 2017-05-02 | Rosemount Inc. | Industrial process field device with humidity-sealed electronics module |
| US10015899B2 (en) | 2015-06-29 | 2018-07-03 | Rosemount Inc. | Terminal block with sealed interconnect system |
| CN108613775A (en) * | 2016-12-09 | 2018-10-02 | 谭晓东 | A kind of storage tank remote monitoring and managing system |
| CN109029621A (en) * | 2018-07-27 | 2018-12-18 | 泰恩博能燃气设备（天津）股份有限公司 | A kind of tank level display system calculation method |
| US10663931B2 (en) | 2013-09-24 | 2020-05-26 | Rosemount Inc. | Process variable transmitter with dual compartment housing |
-
1993
- 1993-04-06 CN CN 93208805 patent/CN2170506Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082598B (en) * | 2006-06-02 | 2011-04-20 | 中国石油天然气股份有限公司 | Oil pad interface detector |
| US10663931B2 (en) | 2013-09-24 | 2020-05-26 | Rosemount Inc. | Process variable transmitter with dual compartment housing |
| US9642273B2 (en) | 2013-09-25 | 2017-05-02 | Rosemount Inc. | Industrial process field device with humidity-sealed electronics module |
| WO2015042929A1 (en) * | 2013-09-30 | 2015-04-02 | Rosemount Inc | Process variable transmitter with dual compartment housing |
| US9971316B2 (en) | 2013-09-30 | 2018-05-15 | Rosemount Inc. | Process variable transmitter with dual compartment housing |
| US9479201B2 (en) | 2014-03-26 | 2016-10-25 | Rosemount Inc. | Process variable transmitter with removable terminal block |
| US10015899B2 (en) | 2015-06-29 | 2018-07-03 | Rosemount Inc. | Terminal block with sealed interconnect system |
| CN106052950A (en) * | 2016-08-15 | 2016-10-26 | 成都众山科技有限公司 | High-precision wireless pressure transmitter |
| CN106052949A (en) * | 2016-08-15 | 2016-10-26 | 成都众山科技有限公司 | Pressure transmitter with function of current limiting protection |
| CN108613775A (en) * | 2016-12-09 | 2018-10-02 | 谭晓东 | A kind of storage tank remote monitoring and managing system |
| CN109029621A (en) * | 2018-07-27 | 2018-12-18 | 泰恩博能燃气设备（天津）股份有限公司 | A kind of tank level display system calculation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |