CN105675185A - Mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer - Google Patents
Mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer Download PDFInfo
- Publication number
- CN105675185A CN105675185A CN201610254329.XA CN201610254329A CN105675185A CN 105675185 A CN105675185 A CN 105675185A CN 201610254329 A CN201610254329 A CN 201610254329A CN 105675185 A CN105675185 A CN 105675185A
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- Prior art keywords
- contact
- chip microcomputer
- information acquisition
- module
- pressure information
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- 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
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/225—Measuring circuits therefor
- G01L1/2256—Measuring circuits therefor involving digital counting
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention provides a multifunctional intelligent pressure instrument based on an STM8 single-chip microcomputer, relates to onsite data acquisition equipment, and particularly relates to an industrial onsite data acquisition system based on the STM8 single-chip microcomputer. The mechanical multifunctional intelligent pressure instrument based on the STM8 single-chip microcomputer comprises an instrument panel and a shell. The front surface of the instrument panel is provided with a pointer and circular scales. The pointer is installed in the middle of the instrument panel through a pointer shaft. The mechanical multifunctional intelligent pressure instrument based on the STM8 single-chip microcomputer is characterized in that the back surface of the instrument panel is provided with a circuit board which is provided with a pressure information acquisition module, a micro-power-consumption central processor module and a communication module. The micro-power-consumption central processor module is respectively connected with the pressure information acquisition module and the communication module. The pressure information acquisition module comprises a contact disc which is installed on the pointer shaft and an annular resistor disc which is installed on the circuit board. The contact disc is provided with a first disc contact and a second disc contact. The first disc contact and the second disc contact are contacted with the annular resistor disc. The mechanical multifunctional intelligent pressure instrument based on the STM8 single-chip microcomputer has a data remote transmission function on the original basis of being visual and simple.
Description
Technical field
A kind of mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer of the present invention relates to a kind of on-site data gathering equipment, particularly to a kind of industrial field data acquisition system based on STM8 single-chip microcomputer.
Background technology
At present, at neighborhoods such as automobile, petrochemical industry, oil field, gases, the mechanical compression instrument that a large amount of employings are traditional, this instrument is simple, directly perceived, with low cost. But traditional mechanical formula manometer can not meet the collection automatically of information, control, management. Although there being pressure transmitter to invent, but pressure transmitter is with high costs not directly perceived, and large area uses will be greatly increased automatization's cost.
Along with technology of Internet of things develops, demand for intelligent manometer increases in burst, therefore the manometer with intelligence of one low cost of exploitation, this will be greatly improved the automatic management level of industry, thus for utilizing technology of Internet of things to realize the automation collection of pressure information, control, early warning, management lay the foundation.
Summary of the invention
It is an object of the invention to provide a kind of mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer for above-mentioned weak point, it it is a kind of intelligent pressure instrument of transformation on traditional mechanical formula Pressure gauge basis, improve current traditional mechanical formula manometer limitation so that it is have more practicality.
The present invention realizes by the following technical solutions:
A kind of mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer, including instrumental panel and shell, is provided with pointer and limbus in instrumental panel front, and pointer is arranged in the middle of instrumental panel by needle pivot; It is provided with wiring board at the instrumental panel back side, wiring board is provided with pressure information acquisition module, Micro Energy Lose CPU module and communication module; Micro Energy Lose CPU module is connected with pressure information acquisition module and communication module respectively; After pressure information acquisition module converts the pressure information collected to the signal of telecommunication, being sent to Micro Energy Lose CPU module, the signal of telecommunication is calculated, analyzes by Micro Energy Lose CPU module, and by communication module, control information is sent to far-end;
Described pressure information acquisition module includes the contact disk and the installation ring resistance sheet in the circuit board that are arranged on needle pivot, contact disk is provided with the first disk contact and the second disk contact, the first disk contact and the second disk contact contact with ring resistance sheet; The position of mechanical elastic reed pipe is moved drive pointer and is rotated, and then band movable contact disc rotary, thus the resistance of the ring resistance sheet changed between the first disk contact and the second disk contact, the position of mechanical elastic reed pipe is moved and converts the signal of telecommunication to, thus realizing information gathering;
Described CPU module adopts commercially available STM8 single-chip microcomputer, and the data that pressure information acquisition module and communication module are transmitted are calculated analysis and Control etc.
Described communication module adopts 485 commercially available chips, exports the signal of 485 standard agreements according to industry spot demand.
Described far-end and controlled terminal.
Instant invention overcomes traditional mechanical formula manometer simple in construction, directly perceived but lack the limitation of data remote function, original mechanical compression table is made to have again data remote function on original simple basis directly perceived, collection and process for modern production of hydrocarbons information, for production of hydrocarbons, management, transport, the monitoring of storage, fault process, technical guarantee is provided, thus meeting the demand of modern management for safety in production and product up-gradation.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is the instrumental panel Facad structure schematic diagram of the present invention;
Fig. 2 is the instrumental panel structure schematic diagram of the present invention;
Fig. 3 is the structural representation of the pressure information acquisition module of the present invention;
Fig. 4 is the structural principle block diagram of instrument of the present invention;
Fig. 5 is the workflow diagram of the CPU module of instrument of the present invention.
In figure: 1, instrumental panel, 2, pointer, 3, limbus, 4, needle pivot, 5, wiring board, 6, mechanical elastic reed pipe, 7, STM8 single-chip microcomputer, 8, A/D conversion chip, 9, communication module, 10, contact disk, 11, ring resistance sheet, the 12, first disk contact, the 13, second disk contact.
Detailed description of the invention
With reference to accompanying drawing 1～5, a kind of mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer of the present invention, including instrumental panel 1 and shell, being provided with pointer 2 and limbus 3 in instrumental panel 1 front, pointer 2 is arranged in the middle of instrumental panel 1 by needle pivot 4; It is provided with wiring board 5 at instrumental panel 1 back side, wiring board 5 is provided with pressure information acquisition module, Micro Energy Lose CPU module and communication module 9; Micro Energy Lose CPU module is connected with pressure information acquisition module and communication module 9 respectively; After pressure information acquisition module converts the pressure information collected to the signal of telecommunication, being sent to Micro Energy Lose CPU module, the signal of telecommunication is calculated, analyzes by Micro Energy Lose CPU module, and by communication module 9, control information is sent to far-end;
Described pressure information acquisition module includes the contact disk 10 being arranged on needle pivot 4 and the ring resistance sheet 11 being arranged on wiring board 5, being provided with the first disk contact 12 and the second disk contact 13 on contact disk 10, the first disk contact 12 and the second disk contact 13 contact with ring resistance sheet 11; The position of mechanical elastic reed pipe 6 is moved drive pointer 2 and is rotated, and then band movable contact disk 10 rotates, thus the resistance of the ring resistance sheet 11 changed between the first disk contact 12 and the second disk contact 13, the position of mechanical elastic reed pipe 6 is moved and converts the signal of telecommunication to, thus realizing information gathering;
Described CPU module adopts commercially available STM8 single-chip microcomputer 7, and the data that pressure information acquisition module and communication module 9 are transmitted are calculated analysis and Control etc.
Described communication module 9 adopts 485 commercially available chips, exports the signal of 485 standard agreements according to industry spot demand.
Described far-end and controlled terminal.
Original machinery instrument utilizes the principle of mechanical elastic reed pipe, mechanical elastic reed pipe is bullied body or fluid pressure driven gear thus driving pointer to rotate, the present invention is supplementary contact disk on original needle pivot, back wiring board increases ring resistance sheet and disk contact, rotation along with pointer, driving disk contact to rotate, changing resistance, thus reaching information gathering.
The output circuit of described CPU module adopts 0-5V, 4-20mA change-over circuit of standard industry interface.
CPU module work realizes data acquisition, analysis, calculating and four functions of transmission, the resistance change that pressure change is corresponding is passed through A/D conversion chip 8 conversion Calculation by STM8 single-chip microcomputer 7, then show that the corresponding table of corresponding force value, pressure and resistance value is drawn by test by the mode tabled look-up; And send pressure information according to serial port communicating protocol to outside.
By above-mentioned instantiation, the present invention is based on the mechanical multifunctional intelligent pressure instrument of STM8, can the accurately complete upgrading realized existing traditional mechanical formula manometer, overcome the limitation of mechanical type instrument, it is achieved that mechanical compression instrument is not only directly perceived but also the multifunctional performance that has pressure data to transmit.
Above-mentioned instantiation has fully disclosed the specific embodiment of the present invention. It is pointed out that any change that the specific embodiment of the present invention done by one skilled in the art scope all without departing from claims of the present invention. Correspondingly, the scope of the claims of the present invention is also not limited only to described detailed description of the invention.
Claims (3)
1. based on a mechanical multifunctional intelligent pressure instrument for STM8 single-chip microcomputer, including instrumental panel and shell, being provided with pointer and limbus in instrumental panel front, pointer is arranged in the middle of instrumental panel by needle pivot; It is characterized in that: be provided with wiring board at the instrumental panel back side, wiring board is provided with pressure information acquisition module, Micro Energy Lose CPU module and communication module; Micro Energy Lose CPU module is connected with pressure information acquisition module and communication module respectively; After pressure information acquisition module converts the pressure information collected to the signal of telecommunication, being sent to Micro Energy Lose CPU module, the signal of telecommunication is calculated, analyzes by Micro Energy Lose CPU module, and by communication module, control information is sent to far-end;
Described pressure information acquisition module includes the contact disk and the installation ring resistance sheet in the circuit board that are arranged on needle pivot, contact disk is provided with the first disk contact and the second disk contact, the first disk contact and the second disk contact contact with ring resistance sheet; The position of mechanical elastic reed pipe is moved drive pointer and is rotated, and then band movable contact disc rotary, thus the resistance of the ring resistance sheet changed between the first disk contact and the second disk contact, the position of mechanical elastic reed pipe is moved and converts the signal of telecommunication to, thus realizing information gathering;
Described CPU module adopts STM8 single-chip microcomputer, and the data that pressure information acquisition module and communication module are transmitted are calculated analysis and Control.
2. the mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer according to claim 1, it is characterised in that: described communication module adopts 485 commercially available chips, exports the signal of 485 standard agreements according to industry spot demand.
3. the mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer according to claim 1, it is characterised in that: described far-end and controlled terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254329.XA CN105675185A (en) | 2016-04-24 | 2016-04-24 | Mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254329.XA CN105675185A (en) | 2016-04-24 | 2016-04-24 | Mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105675185A true CN105675185A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610254329.XA Pending CN105675185A (en) | 2016-04-24 | 2016-04-24 | Mechanical multifunctional intelligent pressure instrument based on STM8 single-chip microcomputer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021057257A1 (en) * | 2019-09-23 | 2021-04-01 | 维沃移动通信有限公司 | Wearable device and display method |
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| US5337256A (en) * | 1992-09-28 | 1994-08-09 | Service Station Products Company | Wheel balancer with multiple operator interface |
| CN200941076Y (en) * | 2006-08-08 | 2007-08-29 | 北京石大创业测控技术有限公司 | Intelligent pressure, temp displaying control meter |
| CN201359545Y (en) * | 2008-12-22 | 2009-12-09 | 中国国际海运集装箱(集团)股份有限公司 | Liquid measuring device |
| CN202614452U (en) * | 2011-12-20 | 2012-12-19 | 绍兴县排水有限公司 | Resistance-type remote-transmitting pressure gauge |
| CN102998050A (en) * | 2011-09-19 | 2013-03-27 | 珠海三德艺电子有限公司 | Multifunctional industrial pressure gauge and control method thereof |
| CN104236790A (en) * | 2014-10-20 | 2014-12-24 | 蚌埠日月仪器研究所有限公司 | Digital pressure measuring device |
-
2016
- 2016-04-24 CN CN201610254329.XA patent/CN105675185A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5337256A (en) * | 1992-09-28 | 1994-08-09 | Service Station Products Company | Wheel balancer with multiple operator interface |
| CN200941076Y (en) * | 2006-08-08 | 2007-08-29 | 北京石大创业测控技术有限公司 | Intelligent pressure, temp displaying control meter |
| CN201359545Y (en) * | 2008-12-22 | 2009-12-09 | 中国国际海运集装箱(集团)股份有限公司 | Liquid measuring device |
| CN102998050A (en) * | 2011-09-19 | 2013-03-27 | 珠海三德艺电子有限公司 | Multifunctional industrial pressure gauge and control method thereof |
| CN202614452U (en) * | 2011-12-20 | 2012-12-19 | 绍兴县排水有限公司 | Resistance-type remote-transmitting pressure gauge |
| CN104236790A (en) * | 2014-10-20 | 2014-12-24 | 蚌埠日月仪器研究所有限公司 | Digital pressure measuring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021057257A1 (en) * | 2019-09-23 | 2021-04-01 | 维沃移动通信有限公司 | Wearable device and display method |
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Application publication date: 20160615 |