CN101726341A - Wireless water level remote monitoring system - Google Patents

Abstract

The invention relates to a monitoring system, in particular to a wireless water level remote monitoring system which comprises a field sensor module, a base station module and a WEB release module. The field sensor module transmits collected water level information to a remote terminal to complete water level monitoring of the remote terminal through the base station module and the WEB module. The wireless water level remote monitoring system is a water level information data collecting system developed based on a mobile communication mode platform. Because the mobile communication technique, the network communication technique, the computer technique, and the like are adopted, the system is ensured to have high reliability and economy. The invention is especially suitable for wire communication to transmit water level information data under the conditions of difficulty, unattended field, variable field environment, and the like. When the invention is used for carrying out relative water level monitoring, related research and comparative research can be realized through water level monitoring point topology design.

Description

Wireless water level remote monitoring system

Technical field

The present invention relates to a kind of monitoring system, especially wireless water level remote monitoring system.

Background technology

In today of navigation channel forwarding business prosperity, the SEA LEVEL VARIATION of waterway plays conclusive effect to the safety of navigation channel transportation, the water level monitoring of waterway all is a manual type in the past, in today of digital information fast development, water level monitoring is converted to the machinery monitoring mode by personal monitoring's mode, but in observation process, still need each shown SEA LEVEL VARIATION constantly of manual observation water level monitoring machinery, how can be transferred to long-range terminal to data monitored accurately, become the problem of measuring the important research in industry the inside.

Summary of the invention

The object of the present invention is to provide a kind of can addressing the above problem to realize the long-range wireless water level remote monitoring system of finishing water level monitoring.

The present invention adopts following technical scheme: a kind of wireless water level remote monitoring system, it is characterized in that, and comprise field sensor module, base station module, WEB release module.

Field sensor module comprises level sensor module, temperature sensor module, humidity sensor module, and the embedded embedded OS OS of its MCU of base station module under the scheduling of operating system, controls to finish associative operation hardware.The information of field sensor module collection in worksite temperature humidity and water level also provides the simulating signal of information, converting this simulating signal to digital signal by A/D, is to pass among the MCU behind the Transistor-Transistor Logic level to focus on by level transferring chip MAX232 with 232 level conversion again.

The WEB release module is to be used for realizing the part that the data issue shows.The user is after connecting receiver module on the far-end computer, and the shortcut of clicking desktop can enter into interface as follows.This part is by being provided with " port " of serial ports, and " baud rate ", " parity checking ", " Handshake Protocol " waits attribute and agreement to realize being connected and data transfer of serial ports and PC.System will obtain the serial ports association attributes that the user is provided with when the user clicks " opening port ", realize being connected with serial equipment, if equipment is ready, then " GPRS state " will show " online " with the grass green font, if equipment occurs unusual, can't be connected to PC, then provide corresponding prompting." latest data demonstration " be the latest data in the video data storehouse in real time.Can inquire about the data of all these time periods according to " start time " and " concluding time ", and be presented in the following form with the form of paging.

Described embedded OS OS is divided into 4 tasks with all affairs to be handled:

Task 1. regularly (more than the 10us, can set) is carried out the A/D conversion to all analog channels, and the digital quantity that transforms is converted obtains actual value again.

Task 2. timings (more than the 0.1ms, can set) are once communicated by letter to all data channel and are obtained the sampled data of data transducer.

Task 3. regularly (more than 1 minute, can set) is sent to the packing data that collects on the remote I NTERNET server by the GPRS module.

Task 4. is waited for GSM reception short message and the information content is resolved.Come the working method of initialization system or carry out corresponding actions by the order that parses.

The present invention's wireless water level remote monitoring system is based on the water level information data acquisition system (DAS) of mobile communication platform development.Owing to adopted technology such as mobile communication technology, the network communications technology and computing machine, guaranteed that system has high reliability and economy.Be specially adapted to wire communication and realize the transmission of water level information data under the situations such as difficulty, open-air unmanned, site environment are changeable.When being correlated with water level monitoring, can realize correlation research and comparative studies by water level measuring point topology design.On the basis of having consulted great mass of data, on the basis that compares with domestic association area, can obtain such conclusion, native system is in tangible top standard in the realization of integral body.Especially the embedded OS of system software part is entirely independent development.In the realization of obtaining real time data, native system comes the Data transmission except the GPRS that utilizes China Mobile, and the user can also utilize short message to be provided with easily and obtain data.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is circuit system each several part function of the present invention and detailed connection layout;

Fig. 3 is an electronic circuitry of the present invention.

Fig. 4 is the page displayed map of WEB issue of the present invention

Purpose of the present invention, function and advantage will be described further with reference to accompanying drawing in conjunction with example.

Embodiment

Shown in Figure 4 with reference to figure 1-, concrete implementation step of the present invention is: sensor groups is in the wait command state always, include a timer (one section formula) in the OS, meeting regularly (this time can be revised formula according to user's needs and be obtained) gives sensor groups an order of transmitting current water level by serial ports, and sensor groups will convert current water level, temperature and humidity to digital signal and pass to MCU then.OS to these data according to the ICP/IP protocol stack pack handle after, issue the GPRS module through after the certain time interval, arrive via China Mobile network and receive the GPRS module, can carry out opposite operation here, packet is disassembled, given WEB release module.At WEB issue end, utilize the multi-threading analytical method to read the hexadecimal data that serial equipment transmits.To be stored in SQL database through the data of resolving.Concrete data parsing method is: use one 1024 BYTE array, beginning one by thread writes and becomes a mandarin, data from serial ports are write in this array, when the end of writing this array (the 1024th) time, write since first, the data of newly writing will override original data again.When this thread begins, the another one thread also will be created by system, and this thread is responsible for reading the data that biography is come from this BYTE array.When reading last position (the 1024th), read since first again.Simultaneity factor will determine that also these two threads can not meet and discuss, (example: writing becomes a mandarin when writing 300, the position that reading flow is read can not surpass it, otherwise with exception throw, perhaps reads the sky data) will make corresponding thread dormancy when soon meeting and discussing for a moment.To guarantee the normal operation of program.By a series of decision operation, parse corresponding data like this, convert decimal data then to and write in the database.

G to the * * * * * * * * * * * of section (cell-phone number) can obtain real time data during ⊙ sent short messages

ST to the * * * * * * * * * * * of section (cell-phone number) binding received the data mobile phone during ⊙ sent short messages

SS to the * * * * * * * * * * * of section (cell-phone number) was provided with and sends data time at interval during ⊙ sent short messages

The current binding mobile phone of H to the * * * * * * * * * * * of section (cell-phone number) cancellation during ⊙ sends short messages

The function of note is achieved as follows described:

In OS, the data layout of system definition is: password+command word+parameter, it is for shielding rubbish short message that password is set here, there is not password in every field, after judging, OS can be abandoned immediately, after qualified data enter OS, OS can judge what kind of operation the user need carry out by command word, if what parse is that G will obtain current data so exactly, OS provides current data can for order request of sensor groups, after receiving data again,, be dealt on the user mobile phone via China Mobile's net according to issuing gsm module after the packing of TCP/I P protocol stack.If the command word that parses is ST, OS can continue to inquire backward so, carries out the operation of front after the parameter that obtains the back again.Remaining processing is similar.

The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (2)

1. a wireless water level remote monitoring system is characterized in that, comprises field sensor module, base station module, WEB release module.

Field sensor module comprises level sensor module, temperature sensor module, humidity sensor module, and the embedded embedded OS OS of its MCU of base station module under the scheduling of operating system, controls to finish associative operation hardware.The information of field sensor module collection in worksite temperature humidity and water level also provides the simulating signal of information, converting this simulating signal to digital signal by A/D, is to pass among the MCU behind the Transistor-Transistor Logic level to focus on by level transferring chip MAX232 with 232 level conversion again.

The WEB release module is to be used for realizing the part that the data issue shows.The user is after connecting receiver module on the far-end computer, and the shortcut of click desktop can enter into interface as shown in Figure 4.This part is by being provided with " port " of serial ports, and " baud rate ", " parity checking ", " Handshake Protocol " waits attribute and agreement to realize being connected and data transfer of serial ports and PC.System will obtain the serial ports association attributes that the user is provided with when the user clicks " opening port ", realize being connected with serial equipment, if equipment is ready, then " GPRS state " will show " online " with the grass green font, if equipment occurs unusual, can't be connected to PC, then provide corresponding prompting." latest data demonstration " be the latest data in the video data storehouse in real time.Can inquire about the data of all these time periods according to " start time " and " concluding time ", and be presented in the following form with the form of paging.

2. wireless water level remote monitoring system as claimed in claim 1 is characterized in that: described embedded OS OS is divided into 4 tasks with all affairs to be handled:

Task 1. regularly (more than the 10us, can set) is carried out the A/D conversion to all analog channels, and the digital quantity that transforms is converted obtains actual value again.

Task 2. timings (more than the 0.1ms, can set) are once communicated by letter to all data channel and are obtained the sampled data of data transducer.

Task 3. regularly (more than 1 minute, can set) is sent to the packing data that collects on the remote I NTERNET server by the GPRS module.

Task 4. is waited for GSM reception short message and the information content is resolved.Come the working method of initialization system or carry out corresponding actions by the order that parses.

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