CN207622919U - A kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure - Google Patents
A kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure Download PDFInfo
- Publication number
- CN207622919U CN207622919U CN201721642851.1U CN201721642851U CN207622919U CN 207622919 U CN207622919 U CN 207622919U CN 201721642851 U CN201721642851 U CN 201721642851U CN 207622919 U CN207622919 U CN 207622919U
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- Prior art keywords
- pressure
- pressure transmitter
- detection
- microprocessor
- transmitter body
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Abstract
The utility model discloses a kind of intelligent pressure transmitters for the detection of petroleum transportation pipeline oil pressure, including pressure transmitter body, the bottom of pressure transmitter body is provided with pressure guiding pipe, the side of pressure transmitter body is equipped with display screen and control button, alarm is installed at the top of pressure transmitter body, the inside of pressure transmitter body is equipped with microprocessor, pressure sensor and temperature sensor, pressure sensor is internally provided with isolation diaphragm, differential pressure pickup is installed on isolation diaphragm, temperature sensor is connect by temperature-compensation circuit with microprocessor, microprocessor respectively with display screen, control button, alarm, pressure sensor and differential pressure pickup electricly connect.It is provided with differential pressure pickup in the device, it can be by judging the whether impaired leakage of its internal isolation diaphragm to the detection of pressure transmitter inside and outside differential pressure；It is provided with temperature sensor and ambient temperature can be detected, influence of the temperature to pressure detecting is excluded, increase accuracy of detection.
Description
Technical field
The utility model is related to a kind of pressure transmitter, more particularly to a kind of intelligence for the detection of petroleum transportation pipeline oil pressure
Energy pressure transmitter, belongs to oil Instrument technology field.
Background technology
Pressure transmitter is a kind of instrument being detected to fluid pressures such as oil.Existing pressure transmitter leads to mostly
Cross the pressure that a pair of of isolation diaphragm carrys out measurement process fluid.Isolation diaphragm includes high pressure latallae and low pressure latallae, high-pressure side
Diaphragm experiences the pressure of process fluid, and low pressure latallae experiences the pressure of ambient atmosphere, and pressure transmitter passes through high pressure latallae
Pressure difference between low pressure latallae and the gauge pressure for obtaining process fluid.Due to the low pressure latallae exposure of sensing atmospheric pressure
It is low for example there is when corrosive liquid, gas or dust so in the case where external environment is relatively severe in external environment
Pressure latallae is possible to be corroded after a period of operation and internal filling liquid is caused to leak, and therefore event also occurs for transmitter
Barrier, it is therefore desirable to often the leakproofness of diaphragm is detected, while when diaphragm deformation side pressure, will receive the influence of temperature, produced
Raw certain pressure measurement error.
Utility model content
The technical problems to be solved in the utility model is that low pressure latallae is overcome to be possible to rotten after a period of operation
It loses and internal filling liquid is caused to leak, therefore transmitter also breaks down, it is therefore desirable to often be examined to the leakproofness of diaphragm
It surveys, while when diaphragm deformation side pressure, will receive the influence of temperature, generate the defect of certain pressure measurement error, one kind is provided and is used for
The intelligent pressure transmitter of petroleum transportation pipeline oil pressure detection.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
The utility model provides a kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure, including pressure
The bottom of Transmitter body, the pressure transmitter body is provided with pressure guiding pipe, the side installation of the pressure transmitter body
There are display screen and control button, alarm is installed at the top of the pressure transmitter body, the pressure transmitter body
Inside is equipped with microprocessor, pressure sensor and temperature sensor, and the pressure sensor is internally provided with isolation diaphragm,
Differential pressure pickup is installed, the temperature sensor is connected by temperature-compensation circuit and the microprocessor on the isolation diaphragm
Connect, the microprocessor respectively with the automatically controlled company of the display screen, control button, alarm, pressure sensor and differential pressure pickup
It connects.
As a kind of optimal technical scheme of the utility model, the inside of the pressure transmitter body is equipped with electric power storage
Pond.
As a kind of optimal technical scheme of the utility model, the microprocessor passes through signal transceiver and master controller
Signal connects.
As a kind of optimal technical scheme of the utility model, the microprocessor is stm32 microcontrollers.
As a kind of optimal technical scheme of the utility model, the master controller is PLC controller.
As a kind of optimal technical scheme of the utility model, the alarm is acoustooptic alarm.
The advantageous effect that the utility model is reached is：It is provided with differential pressure pickup in the device, it can be by static pressure feelings
The whether impaired leakage of isolation diaphragm inside pressure transmitter is judged to the detection of pressure transmitter inside and outside differential pressure under condition, simultaneously
Differential pressure pickup can also monitor its inside and outside differential pressure in real time when pressure transmitter works, and prevent inside and outside differential pressure excessive, damage
Bad isolation diaphragm；It is provided with temperature sensor and temperature-compensation circuit, ambient temperature can be detected, excludes temperature to pressure detecting
It influences, increases accuracy of detection.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the frame principle figure of the utility model；
In figure：1, pressure transmitter body；2, pressure guiding pipe；3, display screen；4, control button；5, alarm；6, microprocessor
Device；7, pressure sensor；8, differential pressure pickup；9, temperature sensor；10, temperature-compensation circuit；11, master controller.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figs. 1-2, the utility model provides a kind of intelligent pressure change for the detection of petroleum transportation pipeline oil pressure
Device, including pressure transmitter body 1, the bottom of pressure transmitter body 1 is sent to be provided with pressure guiding pipe 2, pressure transmitter body 1
Side is equipped with display screen 3 and control button 4, and the top of pressure transmitter body 1 is equipped with alarm 5, pressure transmitter master
The inside of body 1 is equipped with microprocessor 6, pressure sensor 7 and temperature sensor 9, and pressure sensor 7 is internally provided with isolation
Diaphragm, differential pressure pickup 8 is equipped on isolation diaphragm, and temperature sensor 9 passes through temperature-compensation circuit 10 and connects with microprocessor 6
It connects, microprocessor 6 is electricly connected with display screen 3, control button 4, alarm 5, pressure sensor 7 and differential pressure pickup 8 respectively.
The inside of pressure transmitter body 1 is equipped with accumulator, and electric energy is provided for its internal each element by accumulator,
Without external power supply.Microprocessor 6 is connect by signal transceiver with 11 signal of master controller, is facilitated and is passed to detection information
Master controller.Microprocessor 6 is stm32 microcontrollers, it is central processing unit, memory, Timer/Counter, various inputs
Output interface etc. is all integrated in the microcomputer of one piece of ic core on piece.Master controller 11 is PLC controller, it is used
A kind of programmable memory is used for its internally stored program, executes logical operation, sequential control, and timing is counted and grasped with arithmetic
The user oriented instructions such as work, and pass through number or the various types of machineries of analog pattern input/output control or production processes.It is alert
Report device 5 is acoustooptic alarm.
Concrete operating principle：The device by pressure guiding pipe 2 by pressure transmitter body 1 in use, access petroleum pipeline first
Road makes oil enter pressure transmitter body 1, and pressure transmitter is made to be detected the oil pressure of pipeline road, and detection is believed
Breath passes to master controller 11, and when oil pressure detects, pressure sensor 7 carries out Preliminary detection to oil pressure, and detection data is transmitted
To microprocessor 6, while temperature sensor 9 is detected Current Temperatures, and by temperature-compensation circuit 10 by detection information
Send microprocessor 6 to, practical oil is calculated in the information that 6 combination pressure sensor 7 of microprocessor and temperature sensor 9 detect
Pressure value.In the pressure transmitter course of work, differential pressure pickup 8 monitors the pressure difference of isolation diaphragm both sides in real time, works as pressure
Difference it is excessive be more than isolation diaphragm tolerance range when, alarm 5 sounds, remind staff reduce oil transportation speed, reduce petroleum pipeline
Interior pressure.When needing to detect being sealed property of pressure transmitter, first to liquid is filled with inside pressure transmitter, then
Liquid is set to keep static pressure state, if differential pressure pickup 8 detects that inside and outside differential pressure remains unchanged, leakproofness is good, if pressure difference is sent out
Raw to change, then sealing performance is not good for explanation, and isolation diaphragm is likely to occur damage.
The advantageous effect that the utility model is reached is：It is provided with differential pressure pickup in the device, it can be by static pressure feelings
The whether impaired leakage of isolation diaphragm inside pressure transmitter is judged to the detection of pressure transmitter inside and outside differential pressure under condition, simultaneously
Differential pressure pickup can also monitor its inside and outside differential pressure in real time when pressure transmitter works, and prevent inside and outside differential pressure excessive, damage
Bad isolation diaphragm；It is provided with temperature sensor and temperature-compensation circuit, ambient temperature can be detected, excludes temperature to pressure detecting
It influences, increases accuracy of detection.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure, including pressure transmitter body (1), special
Sign is that the bottom of the pressure transmitter body (1) is provided with pressure guiding pipe (2), the side of the pressure transmitter body (1)
Display screen (3) and control button (4) are installed, alarm (5) is installed at the top of the pressure transmitter body (1), it is described
The inside of pressure transmitter body (1) is equipped with microprocessor (6), pressure sensor (7) and temperature sensor (9), the pressure
Force snesor (7) is internally provided with isolation diaphragm, and differential pressure pickup (8) is equipped on the isolation diaphragm, and the temperature passes
Sensor (9) is connect by temperature-compensation circuit (10) with the microprocessor (6), and the microprocessor (6) shows with described respectively
Display screen (3), control button (4), alarm (5), pressure sensor (7) and differential pressure pickup (8) electricly connect.
2. a kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure according to claim 1, feature
It is, the inside of the pressure transmitter body (1) is equipped with accumulator.
3. a kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure according to claim 1, feature
It is, the microprocessor (6) is connect by signal transceiver with master controller (11) signal.
4. a kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure according to claim 1, feature
It is, the microprocessor (6) is stm32 microcontrollers.
5. a kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure according to claim 3, feature
It is, the master controller (11) is PLC controller.
6. a kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure according to claim 1, feature
It is, the alarm (5) is acoustooptic alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721642851.1U CN207622919U (en) | 2017-11-30 | 2017-11-30 | A kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721642851.1U CN207622919U (en) | 2017-11-30 | 2017-11-30 | A kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207622919U true CN207622919U (en) | 2018-07-17 |
Family
ID=62824813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721642851.1U Expired - Fee Related CN207622919U (en) | 2017-11-30 | 2017-11-30 | A kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207622919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139992A (en) * | 2018-10-30 | 2019-01-04 | 温州周泰阀门管件有限公司 | A kind of stainless steel sanitation-grade check-valves |
-
2017
- 2017-11-30 CN CN201721642851.1U patent/CN207622919U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139992A (en) * | 2018-10-30 | 2019-01-04 | 温州周泰阀门管件有限公司 | A kind of stainless steel sanitation-grade check-valves |
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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: 20180717 Termination date: 20181130 |