CN109655192A - A kind of teletransmission diaphragm pressure transmitter - Google Patents
A kind of teletransmission diaphragm pressure transmitter Download PDFInfo
- Publication number
- CN109655192A CN109655192A CN201811508171.XA CN201811508171A CN109655192A CN 109655192 A CN109655192 A CN 109655192A CN 201811508171 A CN201811508171 A CN 201811508171A CN 109655192 A CN109655192 A CN 109655192A
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- China
- Prior art keywords
- shell
- diaphragm
- transducer
- gauge outfit
- pressure transmitter
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
- G01L7/082—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type construction or mounting of diaphragms
Abstract
The invention discloses a kind of teletransmission diaphragm pressure transmitters, including shell of transducer, the left and right sides wall of the shell of transducer is fixedly installed with capillary, the bottom end of the capillary is fixedly installed with remote transmission device, gauge outfit shell is connected at the top of the shell of transducer, it is bolted at the top of the gauge outfit shell and adjusting knob is installed, the right side wall of the gauge outfit shell, which is bolted, is equipped with cover, the left side wall of the gauge outfit shell, which is bolted, is equipped with circuit lid, the right side wall of the cover is fixedly installed with display, the shell of transducer is mutually fixedly connected with the junction of the gauge outfit shell by shell lock-screw, isolation diaphragm is mounted at left and right sides of the pedestal, two isolation diaphragms mutually depending on being fixedly connected with detection hole on one side, the invention is easy to implement the pollutant of inner cavity It is effectively cleared up, improves the accuracy of detection, while being more favorable for the resultant effect of the installation of small space.
Description
Technical field
The present invention relates to transmitter technical field, specially a kind of teletransmission diaphragm pressure transmitter.
Background technique
Teletransmission flange diaphragm pressure transmitter be for avoid measured medium directly with transmitter isolation film contact one
Kind of transmitter, avoids measured medium from directly providing a kind of reliable measurement method with transmitter isolation film contact, due to every
Medium is come into contact in a large area from diaphragm, so being suitable for closed occasion；Especially sticky or pasty media and strongly corrosion liquid, or
Measurement rich in particulate species medium.It is not easy to plug, convenient for cleaning.There are plane face flange and insertion flange selective, for general viscosity
Medium plane face flange pressure transmitter, to viscosity it is big, it is easy precipitating and suspension medium with insertion flange pressure transmitter, method
Orchid has 3 inches or 4 inches, and specification has the flange of 150lb and 300lb, can also be required special enterprises that can customize method according to user
Orchid, when work, on the isolation diaphragm of high and low pressure side and pressure process is passed to the filling liquid at center, the filling at center by filling liquid
Filling liquid transfers the pressure on δ-room center sensor pressure-sensitive diaphragm.Pressure-sensitive diaphragm is the elastic element of a tensioning, position
It moves and changes (for GP gage pressure transmitter, atmospheric pressure is as the low-pressure side for being applied to pressure-sensitive diaphragm) with suffered differential pressure.
AP absolute pressure transmitter, low-pressure side remain a reference pressure.The maximum displacement of pressure-sensitive diaphragm is 0.004 inch (0.10
Millimeter).Its displacement is directly proportional to the pressure.Two capacitor fixed polar plates of measuring diaphragm are converted into 4 with being amplified circuit linearity
Two-wire system electric current, voltage or the number HART(highway addressable remote transmitter data highway of~20mADC) output signal, become
Sending device is more common a kind of sensor in industrial practice, various industrial automatic control environment is widely applied to, in petrochemical industry
Pipeline field is especially prominent, in electric meter class purchase of goods and materials, also belongs to common goods and materials, therefore herein will be by common change
Device principle analysis is sent, transmitter type selecting is simply analysed, and combines previous corresponding procurement case, comparison causes transmitter price floating
Dynamic parameter.Transmitter is played an important role as a kind of precision instrument in petroleum and petrochemical industry.Transmitter can not only pass through
Some usual amounts are converted into outside the electricity of anticipated demand, can also amplify some usual amounts.In current each field industry, from
Functional perspective, transmitter can be divided into pressure transmitter, integrative temperature transmitter, fluid level transmitter etc..In petroleum and petrochemical industry row
In industry, pressure transmitter is often with most widely used, using most generally etc. reasons herein also will be with pressure as mainly object is selected and purchased
Power transmitter does main study subject, to remaining above-mentioned each function transmitter, can carry out annotating hereinafter to it in subordinate list and each
From the analysis of feature.Pressure transmitter groundwork shows that petroleum and petrochemical industry, which is commonly used compression signal, is transmitted to electronic device, leads to
AD conversion is crossed, is embodied on computation, for example, being transmitted to electricity such as by taking hydraulic pressure as an example with the compression signal that hydraulic pressure generates pressure
Sub- device generates corresponding electric current (major part transmitter current is 4~20mA at present), passes through respective algorithms formula, pressure inverting
The increase of compression signal that electric current after device conversion is generated also by pressure and promoted.Macroscopic view for, pressure transmitter be with
Pressure measurement sensor realizes the size being under pressure, then by modular circuit, realizes AD conversion, obtain in usable range
Voltage or current.Microcosmic to analyze, pressure is embodied on integrated silicon compression component, force its to be pressurized and generate deformation, lead
Bridge generation effect is sent a telegraph, obtains relevant voltage electric current, then by the voltage obtained early period, Current amplifier and convert by amplifying circuit
At the voltage or electric current that may be used in.Pressure transmitter uses angle according to measurement, can be divided into pressure transmitter, differential pressure becomes
Send device.As its name suggests, the former is a kind of measurement to pressure, and the latter is the measurement to pressure difference, however, pressure transmitter is not
This function in principle can only be used, can spread out and relate to other indirectly measurement amounts, for example, two pressure transmitters can be passed through
Or a differential pressure transmitter, upper and lower bound is measured respectively, obtains the difference of electric signal, the height of liquid level can be embodied,
The flow and density of measuring medium can be measured by shutting off component, embody the powerful of pressure transmitter function and made
It is wide with range.Pressure transmitter not only can use angular divisions from measurement, can also advise according to the structure of pressure transmitter
Mould classification.Since pressure transmitter is direct contact fluid to be measured medium, it is contemplated that be used in petroleum and petrochemical industry, liquid is often
It is to be corrosive, destruction is generated to precise instrumentation, causes the follow-up works such as maintenance, this reason is based on, pressure transmitter is divided
At GENERAL TYPE and isolated form.GENERAL TYPE pressure transmitter is to be connect by the inner membrance in zero protection transmitter print cartridge with measured medium
Touching, and what is sealed in the pressure transmitter inner membrance of isolated form is silicone oil, is present in bellows as a kind of protection liquid, and contact quilt
Survey medium is the outer membrane of pressure transmitter, and when measured medium is pressed on outer membrane, the silicone oil protection liquid in inner membrance passes pressure
It is delivered on general bellows, and another point, isolated form pressure transmitter are to lead compared to general pressure transmitter advantage
The blocking of pressure pipe bellows room, since measured medium is often with dirty substance, regular meeting blocks bellows even since medium is de-
From transmitter, crystallization can be generated, thus forces the medium to be extracted out from pressure transmitter, will necessarily result in pressure inverting in this way
Device is unable to normal operation or even large area paralysis, schedule delays.
Teletransmission diaphragm pressure transmitter in the prior art, is generally easy to appear petrol starvation, be easy to cause detection
There is error in structure, while pressure transmitter is easy to be unfavorable for installing by property under the office of environment during the installation process, secondly remote
The easy pollution by object to be detected of device is passed, inside is not easy to be cleared up, and causes detection inaccuracy, therefore need research and development one
Kind teletransmission diaphragm pressure transmitter.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of teletransmission diaphragm pressure transmitter
Teletransmission diaphragm pressure transmitter is easy to appear petrol starvation, and the structure of detection is be easy to cause error, while pressure transmitter occur
It is easy to be unfavorable for installing, secondly remote transmission device is easy by object to be detected by property under the office of environment during the installation process
The problem of pollution, inside are not easy to be cleared up, and cause the characteristics such as detection inaccuracy.
To achieve the above object, the invention provides the following technical scheme: a kind of teletransmission diaphragm pressure transmitter, including pick-up
Device shell, the left and right sides wall of the shell of transducer are fixedly installed with capillary, and the bottom end of the capillary is fixed
Remote transmission device is installed, gauge outfit shell is connected at the top of the shell of transducer, passes through bolt at the top of the gauge outfit shell
It is fixedly installed with adjusting knob, the right side wall of the gauge outfit shell, which is bolted, is equipped with cover, a left side for the gauge outfit shell
Side wall, which is bolted, is equipped with circuit lid, and the right side wall of the cover is fixedly installed with display, the shell of transducer
It is mutually fixedly connected with the junction of the gauge outfit shell by shell lock-screw, the inner wall of the shell of transducer is equipped with bottom
Seat, is mounted on isolation diaphragm at left and right sides of the pedestal, two isolation diaphragms mutually depending on being fixedly connected with inspection on one side
Gaging hole, the inner sidewall of the pedestal are equipped with rigid dielectric, and the inner sidewall of the rigid dielectric is fixedly installed with capacitor
Pole plate, the inner wall of the rigid dielectric are longitudinally provided with center measuring diaphragm, the center measuring diaphragm and the capacitor
Pole plate forms gap, is filled with silicone oil in the gap, the detection hole is connected with the gap, the center measuring diaphragm
With motor down-lead is fixedly connected at the top of the capacitor plate, connect at the top of the motor down-lead and pedestal, it is described
Remote transmission device includes capillary interface, upper set, traps, bolt, oil filler pipe, gasket, flushing pipe, diaphragm, the top of the upper set
Central location is provided with capillary interface, and the top left side of the upper set is provided with oil filler pipe, and the bottom of the upper set passes through bolt spiral shell
It is connected to and traps, the upper set and one cavity of composition of trapping are fixedly installed with diaphragm at the top of the cavity, described to trap
Left side wall be provided with flushing pipe, the upper set and the junction trapped are equipped with gasket, and the capillary interface described fills
Oil pipe, the flushing pipe are connected with cavity, and the rear wall of the shell of transducer, which is bolted, is equipped with mounting plate,
The bottom of the mounting plate is opened there are two screw hole, and the screw hole inner wall is plugged with U-shaped screw, passes through at the top of the U-shaped screw
Nut phase dismantling connection.
Preferably, it is mounted on sealing bolt at the top of the oil filler pipe and the flushing pipe, pacified on the sealing bolt
Equipped with seal rubber gasket.
Preferably, the mounting plate is right angle fixed plate, and right angle fixed plate is provided with two pairs of bolts hole.
Preferably, the remote transmission device is disc, and the surrounding of disk opens that there are six mounting holes.
Preferably, the display is LCD liquid crystal display panel.
Compared with prior art, the beneficial effects of the present invention are: the invention provides a kind of teletransmission diaphragm pressure transmitter,
It is provided with oil filler pipe in the top left side of remote transmission device, is easy to implement and is timely added silicone oil to it, while trapping
Left side is equipped with flushing pipe, is easy to implement and is effectively cleared up the pollutant of inner cavity, improves the accuracy of detection, while
The rear wall of shell of transducer is equipped with right angle mounting plate by bolt, is easy to implement the close peace with round tube by U-shaped screw
Dress, while gauge outfit shell and shell of transducer are more favorable for using adjustable setting convenient for adjusting the direction of gauge outfit shell
The installation of small space.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the schematic diagram of internal structure of the shell of transducer of structure of the invention；
Fig. 3 is the structural schematic diagram of the remote transmission device of structure of the invention；
Fig. 4 is the structural schematic diagram of the mounting plate of structure of the invention.
In figure: 1 shell of transducer, 2 capillaries, 3 remote transmission devices, 4 gauge outfit shells, 5 covers, 6 adjusting knobs, 7 circuit lids, 8
Pedestal, 9 rigid dielectrics, 10 isolation diaphragms, 11 silicone oil, 12 center measuring diaphragms, 13 detection holes, 14 capacitor plates, 15 electricity
Pole lead, 16 capillary interfaces set on 17,18 are trapped, 19 bolts, 20 oil filler pipes, 21 gaskets, 22 flushing pipes, 23 displays, 24
Shell lock-screw, 25 mounting plates, 26 U-shaped screws, 27 diaphragms.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution: a kind of teletransmission diaphragm pressure transmitter, for improve detection accuracy and
The convenience of installation, referring to Fig. 1, including shell of transducer 1, hairiness is fixedly mounted in the left and right sides wall of shell of transducer 1
Tubule 2, the bottom end of capillary 2 are fixedly installed with remote transmission device 3, and the top of shell of transducer 1 is connected with gauge outfit shell 4,
The rotation that gauge outfit shell 4 is realized using buckle, is able to achieve the rotation of gauge outfit shell 4, the top of gauge outfit shell 4 during the installation process
It is bolted and adjusting knob 6 is installed, the right side wall of gauge outfit shell 4, which is bolted, is equipped with cover 5, gauge outfit shell 4
Left side wall be bolted circuit lid 7 be installed, for realizing disassembly, conducive to upkeep operation in the future, referring to Fig. 2,
The inner wall of shell of transducer 1 is equipped with pedestal 8, and the left and right sides of pedestal 8 is mounted on isolation diaphragm 10, two isolation diaphragms 10
Mutually depending on being fixedly connected with detection hole 13 on one side, the inner sidewall of pedestal 8 is equipped with rigid dielectric 9, the inside of rigid dielectric 9
Wall is fixedly installed with capacitor plate 14, and the inner wall of rigid dielectric 9 is longitudinally provided with center measuring diaphragm 12, and center measures film
Piece 12 and capacitor plate 14 form gap, are filled with silicone oil 11 in gap, and detection hole 13 is connected with gap, passes through isolation film
When piece 10 is under pressure, center measuring diaphragm 12 and capacitor plate 14 are passed to by silicone oil 11, realized to pressure signal
Then perception is transmitted by motor down-lead 15, the top of center measuring diaphragm 12 and capacitor plate 14 is fixedly connected with
Motor down-lead 15, motor down-lead 15 and the top of pedestal 8 connect, and realization exports conducting wire, and measuring electrode signal please refers to figure
3, remote transmission device 3 is disc, and the surrounding of disk is opened there are six mounting hole, realizes the fixed installation with equipment, teletransmission dress
Setting 3 includes capillary interface 16, upper set 17,18, bolt 19 of trapping, oil filler pipe 20, gasket 21, flushing pipe 22, diaphragm 27, upper set
17 top center position is provided with capillary interface 16, and realization is fixedly connected with capillary 2, and the top left side of upper set 17 is provided with
Oil filler pipe 20, realization are timely added silicone oil 11, and the bottom of upper set 17 is bolted with by bolt 19 traps 18, upper set 17 with
It traps 18 composition, one cavity, is fixedly installed with diaphragm 27 at the top of cavity, go perception from object to be detected using diaphragm 27
Pressure, and isolation diaphragm 10 is passed to by the silicone oil 11 of 2 inner cavity of capillary, 18 left side wall of trapping is provided with flushing pipe 22,
Realization effectively clears up it, and cavity inside is rinsed well, to improve the susceptibility of the perception of diaphragm 27, improves inspection
The accuracy of survey, upper set 17 are equipped with gasket 21, capillary interface 16, oil filler pipe 20, flushing pipe 22 with 18 junction of trapping
It is connected with cavity, the top of oil filler pipe 20 and flushing pipe 22 is mounted on sealing bolt, and sealing is equipped on sealing bolt
Rubber sheet gasket, rubber pad pass through the cooperation of bolt and opening, the effect effectively sealed are realized, referring to Fig. 4, the right side of cover 5
Side wall is fixedly installed with display 23, and display 23 is LCD liquid crystal display panel, realizes that the structure that will test passes through display 23
It is shown, using directly being observed, shell of transducer 1 and the junction of gauge outfit shell 4 pass through 24 phase of shell lock-screw
It is fixedly connected, the rear wall of shell of transducer 1, which is bolted, is equipped with mounting plate 25, there are two the bottom of mounting plate 25 is opened
Screw hole, screw hole inner wall are plugged with U-shaped screw 26, and by nut phase dismantling connection, mounting plate 25 is right angle at the top of U-shaped screw 26
Fixed plate, and right angle fixed plate is provided with two pairs of bolts hole, is effectively fixed with round tube well for realizing mounting plate 25.
In the specific use process, when need the present invention during use first by remote transmission device 3 and be detected
Object is fixedly connected, pressure of object to be detected or so in diaphragm 27, diaphragm 27 by the silicone oil 11 inside capillary 2 to
Isolation diaphragm 10 is squeezed, and isolation diaphragm 10 passes through the silicone oil 11 inside detection hole 13 to center measuring diaphragm 12 and capacitor
Pole plate 14 carries out squeezing action, using the size of 14 sensed pressure of center measuring diaphragm 12 and capacitor plate, and pressure is believed
It number is converted into electric signal transmission and carries out display detection data using display 23 to controller, while when the inner cavity of capillary 2 lacks
When oily, using oil filler pipe 20 to its inside be added silicone oil, be easy to be stained by detected material in the bottom of diaphragm 27, this
Shi Liyong flushing pipe 22 effectively clears up its inside, to improve the susceptibility of diaphragm 27.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of teletransmission diaphragm pressure transmitter, including shell of transducer (1), it is characterised in that: the shell of transducer (1)
Left and right sides wall is fixedly installed with capillary (2), and the bottom end of the capillary (2) is fixedly installed with remote transmission device (3),
It is connected with gauge outfit shell (4) at the top of the shell of transducer (1), is bolted peace at the top of the gauge outfit shell (4)
Equipped with adjusting knob (6), the right side wall of the gauge outfit shell (4), which is bolted, is equipped with cover (5), the gauge outfit shell
(4) left side wall, which is bolted, to be equipped with circuit lid (7), and the right side wall of the cover (5) is fixedly installed with display
(23), the shell of transducer (1) is mutually fixedly connected with the junction of the gauge outfit shell (4) by shell lock-screw (24),
The inner wall of the shell of transducer (1) is equipped with pedestal (8), is mounted on isolation diaphragm at left and right sides of the pedestal (8)
(10), two isolation diaphragms (10) mutually depending on being fixedly connected on one side detection hole (13), the inner sidewall of the pedestal (8) is pacified
Equipped with rigid dielectric (9), the inner sidewall of the rigid dielectric (9) is fixedly installed with capacitor plate (14), the rigidity
The inner wall of insulator (9) is longitudinally provided with center measuring diaphragm (12), the center measuring diaphragm (12) and the capacitor pole
Plate (14) forms gap, and filled with silicone oil (11) in the gap, the detection hole (13) is connected with the gap, it is described in
Motor down-lead (15), the motor down-lead are fixedly connected at the top of heart measuring diaphragm (12) and the capacitor plate (14)
(15) it connects at the top of pedestal (8), the remote transmission device (3) includes capillary interface (16), upper set (17), traps
(18), bolt (19), oil filler pipe (20), gasket (21), flushing pipe (22), diaphragm (27), the center of top of the upper set (17)
Position is provided with capillary interface (16), and the top left side of the upper set (17) is provided with oil filler pipe (20), the bottom of the upper set (17)
Portion is bolted with trap (18) by bolt (19), and the upper set (17) and described trap (18) form a cavity, the cavity
Top be fixedly installed with diaphragm (27), the left side wall for trapping (18) is provided with flushing pipe (22), the upper set (17) and institute
It states the junction of (18) of trapping to be equipped with gasket (21), the capillary interface (16), the oil filler pipe (20), the flushing pipe
(22) it is connected with cavity, the rear wall of the shell of transducer (1), which is bolted, to be equipped with mounting plate (25), described
The bottom of mounting plate (25) is opened there are two screw hole, and the screw hole inner wall is plugged with U-shaped screw (26), the U-shaped screw (26)
Top passes through nut phase dismantling connection.
2. a kind of teletransmission diaphragm pressure transmitter according to claim 1, it is characterised in that: the oil filler pipe (20) and institute
It states and is mounted on sealing bolt at the top of flushing pipe (22), seal rubber gasket is installed on the sealing bolt.
3. a kind of teletransmission diaphragm pressure transmitter according to claim 1, it is characterised in that: the mounting plate (25) is straight
Angle fixed plate, and right angle fixed plate is provided with two pairs of bolts hole.
4. a kind of teletransmission diaphragm pressure transmitter according to claim 1, it is characterised in that: the remote transmission device (3)
It opens for the surrounding of disc, and disk there are six mounting hole.
5. a kind of teletransmission diaphragm pressure transmitter according to claim 1, it is characterised in that: the display (23) is
LCD liquid crystal display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508171.XA CN109655192A (en) | 2018-12-11 | 2018-12-11 | A kind of teletransmission diaphragm pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508171.XA CN109655192A (en) | 2018-12-11 | 2018-12-11 | A kind of teletransmission diaphragm pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109655192A true CN109655192A (en) | 2019-04-19 |
Family
ID=66114093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811508171.XA Pending CN109655192A (en) | 2018-12-11 | 2018-12-11 | A kind of teletransmission diaphragm pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109655192A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337286A (en) * | 2023-03-07 | 2023-06-27 | 上海洛丁森工业自动化设备有限公司 | Sensor bellows and metal capacitive pressure sensor |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57151836A (en) * | 1981-03-16 | 1982-09-20 | Yokogawa Hokushin Electric Corp | Differential pressure transmitter |
| CN2077123U (en) * | 1990-10-10 | 1991-05-15 | 煤炭科学研究总院唐山分院 | Pipe thick liquid-delivery pressure-surveying device |
| WO1998041834A1 (en) * | 1997-03-20 | 1998-09-24 | Honeywell Inc. | Differential pressure transmitter with highly accurate temperature compensation |
| CN1471634A (en) * | 2000-10-24 | 2004-01-28 | ��˹�ɵ¹�˾ | Process connection for in-line pressure transmitter |
| JP2004361159A (en) * | 2003-06-03 | 2004-12-24 | Fuji Electric Systems Co Ltd | Remote seal type pressure/differential pressure transmitter |
| CN2901271Y (en) * | 2006-06-14 | 2007-05-16 | 中国石油天然气集团公司 | Flange diaphragm sealed liquid level and pressure transmitter |
| CN201003998Y (en) * | 2007-02-02 | 2008-01-09 | 上海罗斯蒙特仪表股份有限公司 | Integrated intelligent tension transformer |
| CN202562691U (en) * | 2012-06-04 | 2012-11-28 | 江苏润东仪表科技有限公司 | Suspension capacitance type pressure transmitter |
| CN202582821U (en) * | 2011-09-26 | 2012-12-05 | 罗斯蒙德公司 | Process fluid pressure transmitter with remote pressure transducer |
| CN204064378U (en) * | 2014-09-26 | 2014-12-31 | 浙江康福隆测控设备有限公司 | A kind of electromagnetic flowmeter gauge outfit shell |
| CN207019831U (en) * | 2017-06-27 | 2018-02-16 | 常州天利智能控制股份有限公司 | A kind of intelligent transducer |
| CN207147693U (en) * | 2017-07-12 | 2018-03-27 | 襄阳西顿自动化仪表有限公司 | A kind of mounting bracket of pressure transmitter |
| CN207649818U (en) * | 2017-11-23 | 2018-07-24 | 江苏菲尔德自动化仪表有限公司 | A kind of intelligent transducer |
-
2018
- 2018-12-11 CN CN201811508171.XA patent/CN109655192A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57151836A (en) * | 1981-03-16 | 1982-09-20 | Yokogawa Hokushin Electric Corp | Differential pressure transmitter |
| CN2077123U (en) * | 1990-10-10 | 1991-05-15 | 煤炭科学研究总院唐山分院 | Pipe thick liquid-delivery pressure-surveying device |
| WO1998041834A1 (en) * | 1997-03-20 | 1998-09-24 | Honeywell Inc. | Differential pressure transmitter with highly accurate temperature compensation |
| CN1471634A (en) * | 2000-10-24 | 2004-01-28 | ��˹�ɵ¹�˾ | Process connection for in-line pressure transmitter |
| JP2004361159A (en) * | 2003-06-03 | 2004-12-24 | Fuji Electric Systems Co Ltd | Remote seal type pressure/differential pressure transmitter |
| CN2901271Y (en) * | 2006-06-14 | 2007-05-16 | 中国石油天然气集团公司 | Flange diaphragm sealed liquid level and pressure transmitter |
| CN201003998Y (en) * | 2007-02-02 | 2008-01-09 | 上海罗斯蒙特仪表股份有限公司 | Integrated intelligent tension transformer |
| CN202582821U (en) * | 2011-09-26 | 2012-12-05 | 罗斯蒙德公司 | Process fluid pressure transmitter with remote pressure transducer |
| CN202562691U (en) * | 2012-06-04 | 2012-11-28 | 江苏润东仪表科技有限公司 | Suspension capacitance type pressure transmitter |
| CN204064378U (en) * | 2014-09-26 | 2014-12-31 | 浙江康福隆测控设备有限公司 | A kind of electromagnetic flowmeter gauge outfit shell |
| CN207019831U (en) * | 2017-06-27 | 2018-02-16 | 常州天利智能控制股份有限公司 | A kind of intelligent transducer |
| CN207147693U (en) * | 2017-07-12 | 2018-03-27 | 襄阳西顿自动化仪表有限公司 | A kind of mounting bracket of pressure transmitter |
| CN207649818U (en) * | 2017-11-23 | 2018-07-24 | 江苏菲尔德自动化仪表有限公司 | A kind of intelligent transducer |
Non-Patent Citations (2)
| Title |
|---|
| 中国自动化控制系统总公司: "《自控系统成套设备选型样本 第16分册》", 31 August 1991 * |
| 潘维加: "《热工过程控制仪表》", 28 February 2013 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337286A (en) * | 2023-03-07 | 2023-06-27 | 上海洛丁森工业自动化设备有限公司 | Sensor bellows and metal capacitive pressure sensor |
| CN116337286B (en) * | 2023-03-07 | 2024-04-02 | 上海洛丁森工业自动化设备有限公司 | Sensor bellows and metal capacitive pressure sensor |
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Application publication date: 20190419 |
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| RJ01 | Rejection of invention patent application after publication |