CN205748769U - Pressure transducer - Google Patents
Pressure transducer Download PDFInfo
- Publication number
- CN205748769U CN205748769U CN201620588912.XU CN201620588912U CN205748769U CN 205748769 U CN205748769 U CN 205748769U CN 201620588912 U CN201620588912 U CN 201620588912U CN 205748769 U CN205748769 U CN 205748769U
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- Prior art keywords
- module
- microcontroller
- pressure transducer
- signal conversion
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Abstract
The utility model discloses a kind of pressure transducer, including microcontroller, pressure detecting module, power module and the signal conversion module connected with microcontroller, described power module connects with microcontroller, described pressure detecting module connects with signal conversion module, described signal conversion module connects with power module, described signal conversion module includes that electric current loop transmitter, described electric current loop transmitter connect with microcontroller and power module respectively.This utility model simple in construction, low cost, reasonable in design, by arranging signal conversion module, realize the process to pressure detecting module by signal and output 24V is power module charging, ensure pressure transducer real time operation, and by microcontroller, the analogue signal that pressure detecting module exports is converted to digital signal, precision is high, improves convenience and range that pressure transducer uses, practical.
Description
Technical field
This utility model belongs to metering and measuring equipment technical field, relates to a kind of sensor, is specifically related to a kind of pressure and passes
Sensor.
Background technology
At present, pressure transducer be in industrial practice most commonly seen a kind of can the sensor of induction pressure, it is extensive
Be applied to various industry automatic control environment, relate to hydraulic and electric engineering, railway traffic, intelligent building, production automatic control, Aero-Space, military project,
Numerous industries such as petrochemical industry, oil well, electric power, boats and ships, machine tool pipeline.The force value of testee is detected by pressure transducer,
By display device, the force value measured by pressure transducer is shown the most again.But, current pressure transducer needs
Carry power module and provide power supply for it, and once the electric quantity consumption of power module is complete, then its pressure transducer cannot realize
The detection of pressure, easily loses the detection of pressure at crucial moment, it addition, the replacing of power module, not only operates complexity, Er Qielang
Time-consuming, increase cost.Then, current pressure transducer is typically all analog signal output mode, and analogue signal is in transmission
During can be disturbed by environment so that the data generation error of analogue signal, thus the detection of build-up of pressure sensor is smart
Spend low.Therefore, nowadays lack a kind of simple in construction, low cost, pressure transducer reasonable in design, change by arranging signal
Module, on the one hand realizes the process to pressure detecting module by signal, and on the other hand output 24V is power module charging, it is ensured that pressure
Force transducer real time operation, and by microcontroller, the analogue signal that pressure detecting module exports is converted to digital signal, essence
Degree height, improves convenience and range that pressure transducer uses.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that a kind of pressure
Sensor, its simple in construction, low cost, reasonable in design, by arranging signal conversion module, on the one hand realize pressure detecting mould
The process of block signal, on the other hand output 24V is power module charging, it is ensured that pressure transducer real time operation, and passes through micro-control
The analogue signal that pressure detecting module exports is converted to digital signal by device processed, and precision is high, improves pressure transducer and uses just
Victory and range, practical, it is simple to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of pressure transducer, its feature exists
In: include microcontroller, pressure detecting module, power module and the signal conversion module connected with microcontroller, described power supply
Module connects with microcontroller, and described pressure detecting module connects with signal conversion module, described signal conversion module and power supply
Module connects；
Described signal conversion module includes electric current loop transmitter, described electric current loop transmitter respectively with microcontroller and power supply
Module connects.
Above-mentioned pressure transducer, it is characterised in that: also include that display screen, described display screen connect with microcontroller.
Above-mentioned pressure transducer, it is characterised in that: also include communication module, described communication module and microcontroller phase
Connect.
Above-mentioned pressure transducer, it is characterised in that: described communication module is wire communication module or wireless communication module.
Above-mentioned pressure transducer, it is characterised in that: described signal conversion module also includes chip ZSSC3123, described core
Sheet ZSSC3123 connects with electric current loop transmitter.
Above-mentioned pressure transducer, it is characterised in that: described pressure detecting module includes ceramic condenser C8.
Above-mentioned pressure transducer, it is characterised in that: described microcontroller includes single-chip microcomputer.
This utility model compared with prior art has the advantage that
1, this utility model is by arranging signal conversion module, on the one hand realizes the process to pressure detecting module by signal,
On the other hand output 24V is power module charging, it is ensured that pressure transducer real time operation, improves the use model of pressure transducer
Enclose, simple and reliable.
2, the analogue signal that pressure detecting module exports is converted to count by microcontroller by this utility model by arranging
Word signal, precision is high, improves the convenience that pressure transducer uses.
3, this utility model simple in construction, low cost, reasonable in design, practical, it is simple to promote the use of.
In sum, this utility model simple in construction, low cost, reasonable in design, by arranging signal conversion module, a side
Face realizes the process to pressure detecting module by signal, and on the other hand output 24V is power module charging, it is ensured that pressure transducer is real
Time work, and by microcontroller, the analogue signal that pressure detecting module export is converted to digital signal, precision is high, and raising is pressed
The convenience of force transducer use and range, practical, it is simple to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of this utility model signal conversion module.
Description of reference numerals:
1 microcontroller；2 signal conversion module；3 power modules；
4 pressure detecting modules；5 display screens；6 communication modules.
Detailed description of the invention
As it is shown in figure 1, this utility model includes microcontroller 1, pressure detecting module 4, power module 3 and and microcontroller
The signal conversion module 2 that 1 connects, described power module 3 connects with microcontroller 1, and described pressure detecting module 4 is changed with signal
Module 2 connects, and described signal conversion module 2 connects with power module 3；
Described signal conversion module 2 includes electric current loop transmitter, described electric current loop transmitter respectively with microcontroller 1 and electricity
Source module 3 connects.
In the present embodiment, also include that display screen 5, described display screen 5 connect with microcontroller 1.
In the present embodiment, also include that communication module 6, described communication module 6 connect with microcontroller 1.
In the present embodiment, described communication module 6 is wire communication module or wireless communication module.
As in figure 2 it is shown, in the present embodiment, described signal conversion module 2 also includes chip ZSSC3123, described chip
ZSSC3123 connects with electric current loop transmitter.
As in figure 2 it is shown, in the present embodiment, described pressure detecting module 4 includes ceramic condenser C8.
In the present embodiment, described microcontroller 1 includes single-chip microcomputer.
During actually used, described electric current loop transmitter is chip XTR116.
In actual connection procedure, foot meridian capacitor C3 ground connection, described chip ZSSC3123 are drawn in the 1st of described chip ZSSC3123
The 2nd pin connect with one end of ceramic condenser C8, the 4th pin of described chip ZSSC3123 and the other end of ceramic condenser C8
Connecting, the 7th pin of described chip ZSSC3123 divides two-way, a road through electric capacity C2 in parallel and electric capacity C1 ground connection, another road with
1st pin of chip XTR116 connects；10th pin of described chip ZSSC3123 connects through one end of resistance R2 with resistance R3,
The other end of described resistance R3 divides two-way, and a road is through electric capacity C4 in parallel and electric capacity C7 ground connection, and another road is with chip XTR116's
2nd pin connects；12nd pin of described chip ZSSC3123 divides two-way, and a road connects with the 1st pin of ESD diode D2,
Another road connects with microcontroller 1；13rd pin of described chip ZSSC3123 divides two-way, a road and the 2nd of ESD diode D2
Pin connects, and another road connects with microcontroller 1；
5th pin of described chip XTR116 connects with the emitter stage of audion Q1, the 6th pin of described chip XTR116
Connecting with the base stage of audion Q1, the 7th pin of described chip XTR116 divides three tunnels, the colelctor electrode phase of a road and audion Q1
Connecing, another road connects with one end of electric capacity C5, and the 3rd tunnel connects with the negative electrode of commutation diode D1；The of described chip XTR116
4 pins divide four tunnels, the first via to connect with the other end of electric capacity C5, and the second tunnel connects with one end of bilateral diode TVS2, and the 3rd
Road connects with one end of bilateral diode TVS3, and electric capacity R4 and electric fuse FU2 that the 4th tunnel is concatenated connect with microcontroller 1；
The anode of described commutation diode D1 divides three tunnels, a road to connect with the other end of bilateral diode TVS2, another road and two-way two
One end of pole pipe TVS1 connects, and resistance R1 and electric fuse FU1 that the 3rd tunnel is concatenated connect with power module 3.
When this utility model uses, power module 3 is microcontroller 1 and each electricity consumption module for power supply, and pressure transducer enters
Duty, pressure detecting module 4 detects the change of testee pressure in real time and the pressure signal collected is sent into signal
Modular converter 2, microcontroller 1 control signal modular converter 2 works, and through the process of signal conversion module 2, is converted to microcontroller
The scope that device 1 meets, the A/D modular converter in microcontroller 1 is converted to digital pressure signal, and microcontroller 1 controls aobvious
Digital pressure signal is shown by display screen 5 in real time, conveniently checks, microcontroller 1 also by communication module 6 can synchronous transfer extremely
Surveillance center, facilitates remote monitor, it is ensured that the precision of digital pressure signal transmission, improves the convenient of pressure transducer use
Property；Meanwhile, pressure signal also can be converted to 24V power supply by signal conversion module 2, and output 24V power supply is that power module 3 charges,
Ensure pressure transducer real time operation, improve the range of pressure transducer, simple and reliable.
The above, be only preferred embodiment of the present utility model, not impose any restrictions this utility model, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, the most still
Belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a pressure transducer, it is characterised in that: include microcontroller (1), pressure detecting module (4), power module (3) and
The signal conversion module (2) connected with microcontroller (1), described power module (3) connects with microcontroller (1), described pressure
Detection module (4) connects with signal conversion module (2), and described signal conversion module (2) connects with power module (3)；
Described signal conversion module (2) includes electric current loop transmitter, described electric current loop transmitter respectively with microcontroller (1) and electricity
Source module (3) connects.
2. according to the pressure transducer described in claim 1, it is characterised in that: also include display screen (5), described display screen (5)
Connect with microcontroller (1).
3. according to the pressure transducer described in claim 2, it is characterised in that: also include communication module (6), described communication module
(6) connect with microcontroller (1).
4. according to the pressure transducer described in claim 3, it is characterised in that: described communication module (6) is wire communication module
Or wireless communication module.
5. according to the pressure transducer described in any claim in claims 1 to 3, it is characterised in that: described signal is changed
Module (2) also includes that chip ZSSC3123, described chip ZSSC3123 connect with described electric current loop transmitter.
6. according to the pressure transducer described in any claim in claims 1 to 3, it is characterised in that: described pressure detecting
Module (4) includes ceramic condenser C8.
7. according to the pressure transducer described in any claim in claims 1 to 3, it is characterised in that: described microcontroller
(1) single-chip microcomputer is included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620588912.XU CN205748769U (en) | 2016-06-15 | 2016-06-15 | Pressure transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620588912.XU CN205748769U (en) | 2016-06-15 | 2016-06-15 | Pressure transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748769U true CN205748769U (en) | 2016-11-30 |
Family
ID=57386292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620588912.XU Active CN205748769U (en) | 2016-06-15 | 2016-06-15 | Pressure transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205748769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414353A (en) * | 2018-01-15 | 2018-08-17 | 沈阳兴华航空电器有限责任公司 | Force-sensing circuit |
| CN109358091A (en) * | 2018-09-25 | 2019-02-19 | 四川泰兰德科技有限公司 | A kind of α-Al2O3-SiO2 capacitance sensor dew point measurement device |
-
2016
- 2016-06-15 CN CN201620588912.XU patent/CN205748769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414353A (en) * | 2018-01-15 | 2018-08-17 | 沈阳兴华航空电器有限责任公司 | Force-sensing circuit |
| CN109358091A (en) * | 2018-09-25 | 2019-02-19 | 四川泰兰德科技有限公司 | A kind of α-Al2O3-SiO2 capacitance sensor dew point measurement device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |