CN102353498A - Low-power intelligent monitor for hydraulic pressure of pipeline and monitoring method thereof - Google Patents
Low-power intelligent monitor for hydraulic pressure of pipeline and monitoring method thereof Download PDFInfo
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- CN102353498A CN102353498A CN2011101868893A CN201110186889A CN102353498A CN 102353498 A CN102353498 A CN 102353498A CN 2011101868893 A CN2011101868893 A CN 2011101868893A CN 201110186889 A CN201110186889 A CN 201110186889A CN 102353498 A CN102353498 A CN 102353498A
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Abstract
The invention discloses a low-power intelligent monitor for hydraulic pressure of a pipeline and a monitoring method thereof. The monitor comprises a core control module, a signal acquisition module, a liquid crystal display module, a clock module, a communication interface module, and a signal storage module, wherein the core control module are respectively connected with the signal acquisition module, the liquid crystal display module, the clock module, the communication interface module, and the signal storage module; besides, the core control module is connected with an external upper computer through the communication interface module; and the signal acquisition module is connected with a water pipe interface through tee connection. According to the method, after a system is initialized, the core control module has two states: a working state and a power-down state according to a wake-up interrupt; when the core control module is woken up, the core control module enters the working state, controls the signal acquisition module to collect signals, carries out processing on the signals and reads current time in the clock module; and then correlated data are stored to the signal storage module and are displayed on the liquid crystal display module; and then the core control module automatically enters the power-down state and waits for next wake up mode. According to the invention, the monitor has advantages of high integrated level, simple structure and low energy consumption.
Description
Technical field
The present invention relates to the pepe monitoring system design field, particularly a kind of low-power consumption pipeline hydraulic pressure intelligent monitor and monitoring method thereof.
Background technology
At present, aqueduct spreads all over the rural area, city, and is closely bound up with people's life.Near if because of a variety of causes causes pipeline hydraulic pressure unusual or break and all will cause water resource waste, thereby resident's normal life directly having influence on.Therefore be necessary to monitor closely various places aqueduct hydraulic pressure data, in time find and handle various hydraulic pressure abnormal problems.
The water pressure monitoring device is the electronic data pen recorder that specially pipeline or pressure vessel is carried out pressure monitoring.It integrates sensor, intelligence instrument, can gather, write down pressure data according to the time interval of setting.Pressure data can show through on-the-spot charactron or liquid crystal display, also can upload to computing machine through communication interface, cooperates the host computer management software, and data are added up, analyzed.Hydraulic pressure sensor is the detection means in the device for detecting water pressure; Can experience the hydraulic pressure information at measured some place; And the information that the information that obtains can be for conversion into according to certain rules electric signal or other desired forms is exported; To satisfy requirements such as transmission of Information, processing, storage, demonstration, record and control, it is to realize that robotization detects and the primary link of control.
Existing pipeline water pressure monitoring device all possesses the function of round-the-clock self-timing observation and record hydraulic pressure; But these devices often adopt independent A/D modular converter and control module Combination application; Level of integrated system is not high; Circuit structure is complicated; And system is in the routine work pattern all the time, and energy consumption is higher relatively.Therefore, need provide a kind of integrated level height and energy consumption low pipeline water pressure monitoring device and monitoring method.
Summary of the invention
Fundamental purpose of the present invention is to overcome the shortcoming of prior art with not enough, and a kind of low-power consumption pipeline hydraulic pressure intelligent monitor is provided, and it has, and energy loss is little, long service life, intelligent degree are high, simple in structure, be easy to plurality of advantages such as realization.The present invention also provides a kind of monitoring method based on said apparatus.
The object of the invention is realized through following technical scheme: low-power consumption pipeline hydraulic pressure intelligent monitor comprises:
Signal acquisition module is used to gather hydraulic pressure information, and communicates information to kernel control module;
Kernel control module is used for the information of signal acquisition module transmission is handled, and the result is delivered to LCD MODULE shows, simultaneously the result is sent to the signal storage module, and carries out data interaction with host computer;
LCD MODULE is used for the hydraulic pressure data that show that in real time current time and kernel control module transmit;
Clock module is used to kernel control module correct time is provided, and wakes kernel control module up according to the time interruption and start working;
Communication interface modules is used for the communication between kernel control module and the host computer;
The signal storage module is used to preserve the demonstration time and the current hydraulic pressure data of present clock module;
In above-mentioned each module; Signal acquisition module, LCD MODULE, clock module, signal storage module are connected with kernel control module respectively; Kernel control module links to each other with outside host computer through communication interface modules, and signal acquisition module is connected to the waterpipe jointing place through threeway.
Said kernel control module is specially the STC12C5A08AD single-chip microcomputer.Comprise 8KFlash ROM in this single-chip microcomputer, 1028 byte ram in slice, 10 A/D translation interfaces of 8 tunnel high speeds, the special-purpose reset circuit of inner integrated MAX810,4 16 bit timings/counters, 32 I/O interfaces etc., integrated level is high.
Said signal acquisition module is specially hydraulic pressure sensor, and the signal wire of hydraulic pressure sensor links to each other with kernel control module through the inner A/D translation interface of kernel control module, is supplied power separately by the 9V layer-built battery.
Said LCD MODULE is specially YJD12832A liquid crystal display module, and the data line of liquid crystal display module, control line all link to each other with kernel control module through the I/O interface of kernel control module.
Said clock module is specially the clock chip that includes I2C bus interface function, and this chip links to each other with kernel control module through kernel control module external interrupt mouth, so that interrupt waking up single-chip microcomputer.
For better realizing containing button cell in the said clock module by the object of the invention,, keep work through button cell so that between turnoff time.
Said signal storage module is specially the AT24C256 chip; This chip includes EEPROM (the Electrically Erasable Programmable Read-Only Memory of 32K byte; EEPROM (Electrically Erasable Programmable Read Only Memo)), this chip has serial bus interface.
Said communication interface modules is specially MAX232 and interlock circuit thereof, is used to realize two kinds of specification level conversion of TTL and RS-232C, is convenient to single-chip microcomputer and PC and realizes information interaction.
A kind of low-power consumption pipeline hydraulic pressure intelligent monitoring method based on said apparatus; During first the use; Kernel control module initialization total interface, initialization clock module and signal storage module; And control LCD MODULE demonstration initialization information, initialization to be confirmed begins to gather the hydraulic pressure data after accomplishing; There are work and POWER DOWN two states the time that kernel control module is set according to clock module; When time of clock module settings then; Kernel control module gets into duty; Control signal acquisition module acquired signal is handled signal, reads the current time in the clock module; Related data is saved in the signal storage module; On LCD MODULE, show related data, treat to get into POWER DOWN state automatically after aforesaid operations is accomplished, wait for next time and wake up.
Further, said when single-chip microcomputer is in POWER DOWN pattern, send instruction through the host computer serial ports and wake single-chip microcomputer up.Adopt this mode, can obtain the hydraulic pressure data in the current water pipe when needed at any time, time is up just begins collection and need not to set by the time.
As preferred version; Kernel control module specifically is when kernel control module is in POWER DOWN state through the conducting and the collection of breaking off control signal of control signal acquisition module current supply circuit, and current supply circuit breaks off; Signal acquisition module must not be electric, do not gather; When kernel control module is in running order, the current supply circuit conducting, signal acquisition module gets electric, gathers.
The present invention compared with prior art has following advantage and beneficial effect:
1, key control unit is the single-chip microcomputer that adopts band fast A/D translation interface among the present invention, therefore needn't increase peripheral circuit expansion A/D modular converter again, and level of integrated system is higher, and circuit structure is simpler, and whole anti-interference is stronger.
2, owing to pipeline water pressure monitoring data in practical application do not need real-time detection, transmission; Therefore the single-chip microcomputer of apparatus of the present invention employing has POWER DOWN pattern; Can be at interval according to application demand setting data acquisition time; Single-chip microcomputer can get into POWER DOWN pattern in the time that need not gather like this; Making the entire system working current is μ A level; Thereby only timing to or interrupt waken system entering routine work pattern need upload data the time, the overall operation electric current is in the mA level under the routine work pattern.The time that data are uploaded in collection will be far smaller than the time of single-chip microcomputer standby, thus the most of the time system all be in energy saver mode, thereby greatly reduce system energy consumption.Adopt the present invention both to meet the general trend of current energy-saving and emission-reduction, also make this device compare like product and more be applicable to and utilize powered battery, unattended environment.
3, disposed jumbo signal storage module among the present invention, can even power down can not lost yet, be convenient to periodically be uploaded to PC and do the holistic approach processing with the hydraulic pressure gathered and time data long preservation in this locality.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the process control chart of apparatus of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail, but embodiment of the present invention is not limited thereto.
Embodiment 1
As shown in Figure 1, low-power consumption pipeline hydraulic pressure intelligent monitor comprises: signal acquisition module is used to gather hydraulic pressure information, and communicates information to kernel control module; Kernel control module is used for the information of signal acquisition module transmission is handled, and the result is delivered to LCD MODULE shows, simultaneously the result is sent to the signal storage module, and carries out data interaction with host computer; LCD MODULE is used for the hydraulic pressure data that show that in real time current time and kernel control module transmit; Clock module is used to kernel control module correct time is provided, and wakes kernel control module up according to the time interruption and start working; Communication interface modules is used for the communication between kernel control module and the host computer; The signal storage module is used to preserve the demonstration time and the current hydraulic pressure data of present clock module; In above-mentioned each module; Signal acquisition module, LCD MODULE, clock module, signal storage module are connected with kernel control module respectively; Kernel control module links to each other with outside host computer through communication interface modules, and signal acquisition module is connected to the waterpipe jointing place through threeway.
In the present embodiment, kernel control module adopts the STC12C5A08AD single-chip microcomputer, and internal resource comprises 8KFlash ROM; 1028 byte ram in slice, 10 A/D translation interfaces of 8 tunnel high speeds, the special-purpose reset circuit of inner integrated MAX810; 4 16 bit timings/counters, 32 I/O mouths etc.
LCD MODULE is specially YJD12832A liquid crystal display module, and the data line of liquid crystal display module, control line all link to each other with kernel control module through the I/O interface of kernel control module, are used to show hydraulic pressure data and current time.
Said signal acquisition module is specially hydraulic pressure sensor, hydraulic pressure sensor range 0～150MPa, and output signal selection 1～5V simulating signal, pull-up resistor is greater than 50K Ω, operating voltage 9V.The hydraulic pressure sensor signal wire links to each other with the inner A/D translation interface of single-chip microcomputer, is gathered and data conversion process by Single-chip Controlling hydraulic pressure.Hydraulic pressure sensor is supplied power separately by the 9V layer-built battery, promotes battery serviceable life for reducing power consumption, and the conducting and the disconnection of hydraulic pressure sensor current supply circuit are subjected to Single-chip Controlling.Single-chip microcomputer gets into POWER DOWN pattern during energy saver mode, and triode ends, and hydraulic pressure sensor must not; During the routine work pattern, the conducting of Single-chip Controlling triode, hydraulic pressure sensor gets.
Said signal storage module specifically adopts the 24C256 chip of atmel corp; This chip includes the EEPROM of 32K byte, support 1,000,000 times repeat erasablely, data are preserved and to be reached 40 years; Have serial bus interface, optimal design is suitable for the Low-voltage Low-power application scenario.
Said clock module is specifically selected the PCF8563 of PHILIPS company for use, and it is the multifunction timepiece/calendar chip with extremely low power dissipation that a technical grade includes I2C bus interface function, and the exemplary operation electric current is 0.25 μ A.PCF8563 has multiple warning function, timer function and interrupts output function, can be used for accomplishing various complicated timing services, also can be single-chip microcomputer watchdog function is provided.The signal wire of clock chip links to each other with the external interrupt input port of single-chip microcomputer, and preset timing arrives, and then sends signal and wakes single-chip microcomputer up from energy-conservation POWER DOWN pattern entering routine work pattern.
Said communication interface modules is specially MAX232 and interlock circuit thereof, is used to realize two kinds of specification level conversion of TTL and RS-232C, is convenient to single-chip microcomputer and PC and realizes information interaction.
As shown in Figure 2; A kind of low-power consumption pipeline hydraulic pressure intelligent monitoring method based on said apparatus; During first the use; Kernel control module initialization total interface, initialization clock module and signal storage module; And control LCD MODULE demonstration initialization information, initialization to be confirmed begins to gather the hydraulic pressure data after accomplishing.
There are work and POWER DOWN two states the time that kernel control module is set according to clock module; In process flow diagram shown in the present embodiment; Kernel control module comprises two kinds of arouse machine processeds; A kind of time that is clock module is set arrives; Promptly regularly interrupt waking up; Kernel control module gets into duty; Control signal acquisition module acquired signal; Signal is handled; Read the current time in the clock module, related data is saved in the signal storage module, on LCD MODULE, show related data; Treat to get into POWER DOWN state automatically after aforesaid operations is accomplished, wait for next time and wake up; Another kind is to judge whether be serial communication interrupt, the words that are are just carried out associative operation according to communication protocol if this time interrupting, for example, judgement is to upload data command, then all historical datas is uploaded; Be to remove recording instruction, then with historical data full scale clearance in the storage chip; Be the instruction of calibration clock, then receive time data, the refresh clock chip from PC.Communication finishes or the overtime single-chip microcomputer of communicating by letter gets into POWER DOWN pattern automatically, waits for next time and wake up.
When single-chip microcomputer was in POWER DOWN pattern, exemplary operation electric current＜0.1 μ A, PCF8563 exemplary operation electric current were 0.25 μ A, and the entire system working current is no more than 10 μ A.The system convention working current is no more than 20mA.Set clock chip and woke a single-chip microcomputer in 10 minutes up and carry out hydraulic pressure collection and data storage, comprise that waiting system is stable to can be controlled in 6 seconds with the single-chip microcomputer deal with data time.As adopt No. 5 batteries of 4 joint 700MAH to be the power supply of single chip circuit plate, and the 9V layer-built battery is that hydraulic pressure sensor is supplied power separately, apparatus of the present invention operable time reaches 140 days.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. low-power consumption pipeline hydraulic pressure intelligent monitor is characterized in that, comprising:
Signal acquisition module is used to gather hydraulic pressure information, and communicates information to kernel control module;
Kernel control module is used for the information of signal acquisition module transmission is handled, and the result is delivered to LCD MODULE shows, simultaneously the result is sent to the signal storage module, and carries out data interaction with host computer;
LCD MODULE is used for the hydraulic pressure data that show that in real time current time and kernel control module transmit;
Clock module is used to kernel control module correct time is provided, and wakes kernel control module up according to the time interruption and start working;
Communication interface modules is used for the communication between kernel control module and the host computer;
The signal storage module is used to preserve the demonstration time and the current hydraulic pressure data of present clock module;
In above-mentioned each module; Signal acquisition module, LCD MODULE, clock module, signal storage module are connected with kernel control module respectively; Kernel control module links to each other with outside host computer through communication interface modules, and signal acquisition module is connected to the waterpipe jointing place through threeway.
2. low-power consumption pipeline hydraulic pressure intelligent monitor according to claim 1 is characterized in that said kernel control module is specially the STC12C5A08AD single-chip microcomputer.
3. low-power consumption pipeline hydraulic pressure intelligent monitor according to claim 1; It is characterized in that; Said signal acquisition module is specially hydraulic pressure sensor; The signal wire of hydraulic pressure sensor links to each other with kernel control module through the inner A/D translation interface of kernel control module, is supplied power separately by the 9V layer-built battery.
4. low-power consumption pipeline hydraulic pressure intelligent monitor according to claim 1; It is characterized in that; Said LCD MODULE is specially YJD12832A liquid crystal display module, and the data line of liquid crystal display module, control line all link to each other with kernel control module through the I/O interface of kernel control module.
5. low-power consumption pipeline hydraulic pressure intelligent monitor according to claim 1 is characterized in that said clock module is specially the clock chip that includes I2C bus interface function, and this chip links to each other with kernel control module through kernel control module external interrupt mouth; Said clock module comprises button cell, and during system cut-off, clock chip relies on the button cell power supply to keep duty.
6. low-power consumption pipeline hydraulic pressure intelligent monitor according to claim 5 is characterized in that said communication interface modules is specially MAX232 and interlock circuit thereof, is used to realize two kinds of specification level conversion of TTL and RS-232C.
7. low-power consumption pipeline hydraulic pressure intelligent monitor according to claim 1 is characterized in that said signal storage module is specially the AT24C256 chip, and this chip includes the EEPROM of 32K byte, and this chip has serial bus interface.
8. low-power consumption pipeline hydraulic pressure intelligent monitoring method based on said apparatus; It is characterized in that; During first the use; Kernel control module initialization total interface, initialization clock module and signal storage module; And control LCD MODULE demonstration initialization information, initialization to be confirmed begins to gather the hydraulic pressure data after accomplishing; There are work and POWER DOWN two states the time that kernel control module is set according to clock module; When time of clock module settings then; Kernel control module gets into duty; Control signal acquisition module acquired signal is handled signal, reads the current time in the clock module; Related data is saved in the signal storage module; On LCD MODULE, show related data, treat to get into POWER DOWN state automatically after aforesaid operations is accomplished, wait for next time and wake up.
9. low-power consumption pipeline hydraulic pressure intelligent monitoring method according to claim 8 is characterized in that, and is said when single-chip microcomputer is in POWER DOWN pattern, sends instruction through the host computer serial ports and wakes single-chip microcomputer up.
10. low-power consumption pipeline hydraulic pressure intelligent monitoring method according to claim 8; It is characterized in that; Kernel control module is through the conducting and the collection of breaking off control signal of control signal acquisition module current supply circuit; Specifically be when kernel control module is in POWER DOWN state; Current supply circuit breaks off; Signal acquisition module must not be electric, do not gather; When kernel control module is in running order, the current supply circuit conducting, signal acquisition module gets electric, gathers.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105022256A (en) * | 2015-07-03 | 2015-11-04 | 烟台北极星石英钟有限公司 | Design method of pointer type multifunction intelligent clock |
| CN104458113B (en) * | 2014-12-11 | 2018-09-28 | 浙江和达科技股份有限公司 | Low-power consumption water hammer records system |
| CN110987278A (en) * | 2019-12-24 | 2020-04-10 | 上海宏力达信息技术股份有限公司 | Long-term water pressure monitoring system and monitoring method |
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Application publication date: 20120215 |