CN107782488A - A kind of intelligent pressure transmitter - Google Patents
A kind of intelligent pressure transmitter Download PDFInfo
- Publication number
- CN107782488A CN107782488A CN201711145481.5A CN201711145481A CN107782488A CN 107782488 A CN107782488 A CN 107782488A CN 201711145481 A CN201711145481 A CN 201711145481A CN 107782488 A CN107782488 A CN 107782488A
- Authority
- CN
- China
- Prior art keywords
- microprocessor
- pressure transmitter
- signal
- wireless communication
- communication module
- 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.)
- Withdrawn
Links
- 238000004891 communication Methods 0.000 claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 108091000080 Phosphotransferase Proteins 0.000 claims abstract description 11
- 102000020233 phosphotransferase Human genes 0.000 claims abstract description 11
- 102000001253 Protein Kinase Human genes 0.000 claims abstract description 4
- 108060006633 protein kinase Proteins 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/04—Means for compensating for effects of changes of temperature, i.e. other than electric compensation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A kind of intelligent pressure transmitter, belongs to electronic technology field.It is characterized in that including pressure sensor, temperature element, Signal-regulated kinase, digital analog converter, display screen, sensor parameters storage, microprocessor, messaging parameter storage, information gathering, wireless communication module, communication terminal；Wherein pressure sensor and temperature element is connected with Signal-regulated kinase；Signal-regulated kinase is connected by digital analog converter with microprocessor；Display screen is connected with digital analog converter；Sensor parameters storage, messaging parameter storage, information gathering and wireless communication module are connected with microprocessor；Communication terminal is connected with wireless communication module.By the combined use of microprocessor and wireless communication module, the output error of transmitter is efficiently solved the problems, such as so that output signal is provided with good linear character.Intelligent pressure transmitter of the present invention is simple in construction, easy to operate, easy to spread.
Description
Technical field
The invention belongs to electronic technology field, more particularly to a kind of intelligent pressure transmitter.
Background technology
With the continuous progress of science and technology, increasing intelligent electronic device has been entered in the life of people, to people
Life bring great convenience, with the development of electronic technology, requirement of the industrial stokehold to transmitter performance also day
Benefit improves, and sputtered film sensor instead of the adhesive of traditional strain pressure transducer using ceramic dielectric, make it
It is greatly improved in aspect of performances such as stability, high temperature resistant, high output impedances.But its measured pressure value still can be by
To the external factor such as temperature influence and generation system characteristic drift, such as null offset, sensitivity drift be sensing system most
Main interference volume.Conventional pressure sensor mainly employs hardware to eliminate its influence, but cost is high, and adaptability is poor.
The content of the invention
A kind of present invention seek to address that above mentioned problem, there is provided intelligent pressure transmitter.
A kind of intelligent pressure transmitter, it is characterised in that including pressure sensor, temperature element, Signal-regulated kinase, number
It is weighted-voltage D/A converter, display screen, sensor parameters storage, microprocessor, messaging parameter storage, information gathering, wireless communication module, logical
Believe terminal；Wherein pressure sensor and temperature element is connected with Signal-regulated kinase；Signal-regulated kinase is turned by digital-to-analogue
Parallel operation is connected with microprocessor；Display screen is connected with digital analog converter；Sensor parameters storage, messaging parameter storage, letter
Breath collection and wireless communication module are connected with microprocessor；Communication terminal is connected with wireless communication module.
A kind of intelligent pressure transmitter of the present invention, it is characterised in that the Signal-regulated kinase is provided with instrument and put
Big device.
A kind of intelligent pressure transmitter of the present invention, it is characterised in that the gain ranging of the instrument amplifier is 1-
10000。
A kind of intelligent pressure transmitter of the present invention, it is characterised in that the instrument amplifier uses AD620.
A kind of intelligent pressure transmitter of the present invention, it is characterised in that the microprocessor is micro- using STM32F103
Processor.
A kind of intelligent pressure transmitter of the present invention, it is characterised in that the wireless communication module is led to using ZigBee
Letter mode.
A kind of intelligent pressure transmitter of the present invention, by the combined use of microprocessor and wireless communication module,
Efficiently solve the problems, such as the output error of transmitter so that output signal is provided with good linear character.It is of the present invention
Intelligent pressure transmitter is simple in construction, easy to operate, easy to spread.
Brief description of the drawings
Fig. 1 is the structural schematic block diagram of intelligent pressure transmitter of the present invention.
Embodiment
A kind of intelligent pressure transmitter, including it is pressure sensor, temperature element, Signal-regulated kinase, digital analog converter, aobvious
Display screen, sensor parameters storage, microprocessor, messaging parameter storage, information gathering, wireless communication module, communication terminal；Such as figure
Wherein pressure sensor and temperature element is connected with Signal-regulated kinase shown in 1；Signal-regulated kinase passes through digital-to-analogue conversion
Device is connected with microprocessor；Display screen is connected with digital analog converter；Sensor parameters storage, messaging parameter storage, information
Collection and wireless communication module are connected with microprocessor；Communication terminal is connected with wireless communication module.
A kind of intelligent pressure transmitter of the present invention, the Signal-regulated kinase are provided with instrument amplifier.It is described
The gain ranging of instrument amplifier is 1-10000.The instrument amplifier uses AD620, mainly by sensor output
Small-signal is amplified, and to meet to export the scope of needs, this is a low-power consumption, high-precision instrument amplifier, it is only necessary to
Want a non-essential resistance that gain just can be set, gain ranging is 1 ~ 10 000, and has low maladjustment voltage and low offset drift etc.
Characteristic.A voltage follower is formed with OP07 to adjust AD620 zero point.The microprocessor uses the micro- places of STM32F103
Device is managed, realizes the compensation operation of signal and the control of communication.STM32F103 is the enhanced low-power consumption ARM of a intermediate size
Processor, its core carry 128 KB FLASH program memories, up to 20 KB SRAM, and processor operating voltage is 2.0 ~
3.6 V, and carry programmable voltage detector（PVD）, minimum running current is 0.1 μ A, there is 3 kinds of low-power consumption Working moulds
Formula：Sleep pattern, shutdown mode and standby mode, wherein builtin voltage pressure regulator is closed in stand-by mode, therefore it is all
The power supplies of the V parts of inside 1.8 be cut off；PLL, HSI RC oscillators and HSE crystal oscillators are also turned off, so as to real
The low-power consumption now to work.Microprocessor internal is integrated with 12 ADC A/D converters of 28 passages, during 1 μ s conversion
Between, it is convenient each simultaneous with 2 I2C interfaces, 2 USART interfaces, 2 SPI interfaces, 1 CAN interface and USB full speed interfaces
The transmission of kind communication data.The wireless communication module uses ZigBee communication mode.The small-signal of sensor output passes through
After signal conditioning circuit is amplified, Wei Chu is delivered to after converting analog signals into data signal by A/D converter AD7799
Manage device and carry out nonlinear compensation, a series of data processing such as temperature-compensating, eventually through wireless communication module by measurement data
Data center is sent in real time, is monitored to administrative staff.Intelligent pressure transmitter uses pressure sensor and temperature
Degree sensor measures two target parameters respectively, and using linear regression analysis, two output informations are carried out into fusion treatment, from
And improve the measurement accuracy of two target parameters.
Claims (6)
1. a kind of intelligent pressure transmitter, it is characterised in that including pressure sensor, temperature element, Signal-regulated kinase, digital-to-analogue
Converter, display screen, sensor parameters storage, microprocessor, messaging parameter storage, information gathering, wireless communication module, communication
Terminal；Wherein pressure sensor and temperature element is connected with Signal-regulated kinase；Signal-regulated kinase passes through digital-to-analogue conversion
Device is connected with microprocessor；Display screen is connected with digital analog converter；Sensor parameters storage, messaging parameter storage, information
Collection and wireless communication module are connected with microprocessor；Communication terminal is connected with wireless communication module.
2. a kind of intelligent pressure transmitter as claimed in claim 1, it is characterised in that the Signal-regulated kinase is provided with instrument
Table amplifier.
A kind of 3. intelligent pressure transmitter as claimed in claim 2, it is characterised in that the gain ranging of the instrument amplifier
For 1-10000.
A kind of 4. intelligent pressure transmitter as claimed in claim 2 or claim 3, it is characterised in that the use of the instrument amplifier
AD620。
5. a kind of intelligent pressure transmitter as claimed in claim 1, it is characterised in that the microprocessor uses STM32F103
Microprocessor.
6. a kind of intelligent pressure transmitter as claimed in claim 1, it is characterised in that the wireless communication module uses
ZigBee communication mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711145481.5A CN107782488A (en) | 2017-11-17 | 2017-11-17 | A kind of intelligent pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711145481.5A CN107782488A (en) | 2017-11-17 | 2017-11-17 | A kind of intelligent pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107782488A true CN107782488A (en) | 2018-03-09 |
Family
ID=61433323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711145481.5A Withdrawn CN107782488A (en) | 2017-11-17 | 2017-11-17 | A kind of intelligent pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107782488A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544067A (en) * | 2021-12-29 | 2022-05-27 | 上海自动化仪表有限公司 | Two-wire system intelligent pressure transmitter applying APL technology |
| CN114544018A (en) * | 2021-12-29 | 2022-05-27 | 上海自动化仪表有限公司 | Two-wire system intelligent temperature transmitter using APL technology |
| CN115834733A (en) * | 2022-12-02 | 2023-03-21 | 浙江中控技术股份有限公司 | Ethernet multi-protocol communication device and method based on APL technology |
-
2017
- 2017-11-17 CN CN201711145481.5A patent/CN107782488A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544067A (en) * | 2021-12-29 | 2022-05-27 | 上海自动化仪表有限公司 | Two-wire system intelligent pressure transmitter applying APL technology |
| CN114544018A (en) * | 2021-12-29 | 2022-05-27 | 上海自动化仪表有限公司 | Two-wire system intelligent temperature transmitter using APL technology |
| CN115834733A (en) * | 2022-12-02 | 2023-03-21 | 浙江中控技术股份有限公司 | Ethernet multi-protocol communication device and method based on APL technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180309 |