CN203812054U - Rural biogas digester monitoring and early warning system - Google Patents

Rural biogas digester monitoring and early warning system Download PDF

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Publication number
CN203812054U
CN203812054U CN201420057222.2U CN201420057222U CN203812054U CN 203812054 U CN203812054 U CN 203812054U CN 201420057222 U CN201420057222 U CN 201420057222U CN 203812054 U CN203812054 U CN 203812054U
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module
methane
generating pit
wireless
acquisition terminal
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郑争兵
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Shaanxi University of Technology
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Shaanxi University of Technology
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The utility model discloses a rural biogas digester monitoring and early warning system. The system comprises a wireless collection terminal 1 installed inside a biogas digester, a wireless collection terminal 2 installed outside the biogas digester, a wireless data transmission terminal, and a remote monitoring center. The wireless data transmission terminal, the wireless collection terminal 1 and the wireless collection terminal 2 form a star network structure and carry out wireless communication according to ZigBee protocols. The wireless data transmission terminal and the remote monitoring center are connected via a GPRS network and the Internet and are in wireless communication. The remote monitoring center comprises a computer and a data server. The system uses solar energy for power supply, is easy to operate and implement and low in cost, and can achieve distributed and concentrated maintenance and management of rural biogas digesters.

Description

A kind of methane-generating pit monitor and early warning system
Technical field
The utility model relates to the automatic monitoring technical field of biogas engineering, especially relates to a kind of methane-generating pit monitor and early warning system.
Background technology
In the process of methane-generating pit management maintenance, generally need to carry out monitoring management to methane-generating pit internal environment.Biogas fermentation is a very complicated bioprocess, must monitor regulation and control to the bioprocess of fermentation, for advantage zymophyte provides good growth and reproduction environment, just can make gas production rate maintain all the time a higher level.In addition, need to carry out monitoring management to the surrounding environment of methane-generating pit and gas pipe line.The long-term use of methane-generating pit, may cause methane-generating pit and gas pipe line to leak air.Biogas is a kind of flammable mixed gas that methane and carbon dioxide is principal ingredient of take, if mismanagement, easily cause gas to accumulate, after reaching finite concentration, if leakage can cause personnel poisoning, in case of naked light very easily produces blast, cause casualty accident, the people's personal safety is worked the mischief.At present, because the quantity of methane-generating pit for farm household is huge and it is scattered to distribute, the management maintenance mode of methane-generating pit for farm household mainly takes take peasant household as main, and professional and technical personnel is auxiliary manual type.Peasant household is subject to the restriction of self professional technique, in the situation that not using professional instrument, and mainly dependence experience management methane-generating pit, can not give full play to the usefulness of methane-generating pit, and be difficult to find potential safety hazard, in addition, also need to expend a large amount of technician and carry out follow-up service.The mode of this labor management has limited applying of methane-generating pit greatly.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of methane-generating pit monitor and early warning system, and it is easy to operate, and cost is low, is convenient to implement, and can effectively realize distributing maintenance management and the centralized maintenance management of methane-generating pit.
For achieving the above object, the technical solution adopted in the utility model is: a kind of methane-generating pit monitor and early warning system, comprise be arranged on methane-generating pit inside wireless acquisition terminal 1, be arranged on wireless acquisition terminal 2, wireless data transmission terminal and the remote monitoring center of methane-generating pit outside; Described wireless data transmission terminal, wireless acquisition terminal 1 and wireless acquisition terminal 2 form Star Network structure, and carry out radio communication according to Zigbee agreement; Between described wireless data transmission terminal and remote monitoring center, by GPRS network, be connected with Internet network and carry out radio communication.
Described wireless acquisition terminal 1 comprises processor unit for controlling, for monitoring methane-generating pit internal environment parameter acquisition unit, for the radio-frequency module of power amplification, the power module of powering for the clock module of timing and for the each several part of wireless acquisition terminal 1; Processor unit is connected with environmental parameter collecting unit, radio-frequency module, clock module, power module respectively; Environmental parameter collecting unit comprises temperature collect module, concentration acquisition module, pressure detection module and liquid level detection module.
Described wireless acquisition terminal 2 comprises processor unit for controlling, for monitoring methane-generating pit external environment condition parameter acquisition unit, for the radio-frequency module of power amplification, the power module of powering for the clock module of timing and for the each several part of wireless acquisition terminal 2; Processor unit is connected with environmental parameter collecting unit, radio-frequency module, clock module, power module respectively; Environmental parameter collecting unit comprises temperature collect module and concentration acquisition module.
Described wireless data transmission terminal comprises GPRS data transmission unit, serial communication modular, processor unit and radio-frequency module; Processor unit is connected with serial communication modular, radio-frequency module respectively; GPRS data transmission unit is connected with serial communication modular.
The quantity of described wireless acquisition terminal 1 and wireless acquisition terminal 2 can be one or more.
The power module of described wireless acquisition terminal 1, wireless acquisition terminal 2 and wireless data transmission terminal adopts identical hardware configuration; Power module comprises solar panel, charge management module, accumulator and supply voltage modular converter, and charge management module is connected with solar panel, accumulator respectively, and supply voltage modular converter is connected with accumulator.
Processor unit and the radio-frequency module of described wireless acquisition terminal 1, wireless acquisition terminal 2 and wireless data transmission unit adopt identical hardware configuration; Processor unit adopts the Zigbee module CC2530F256 of TI company, and radio-frequency module adopts the CC2591 module of TI company.
Described remote monitoring center comprises computing machine and data server.
For realizing the purpose of this utility model, a kind of monitoring method of methane-generating pit monitor and early warning system is also provided, the method comprises the following steps:
(1) intiating radio acquisition terminal 1, wireless acquisition terminal 2 and wireless data transmission terminal, by wireless data transmission terminal, set up wireless network, wireless acquisition terminal 1 and this network of wireless acquisition terminal 2 Automatic-searchings, obtain the network address, sets up network bound relation;
(2) 1 most of the time of wireless acquisition terminal, in park mode, gathers the status data of methane-generating pit internal environment parameter automatically according to certain hour interval, and when status data changing value surpasses predetermined value, status data is to wireless data transmission terminal;
(3) 2 mosts of the time of wireless acquisition terminal are in park mode, according to certain hour interval, automatically gather the status data of methane-generating pit external environment condition parameter, when biogas concentration change value surpasses predetermined value, send the status data of environmental parameter to wireless data transmission terminal;
(4) wireless data transmission terminal carries out certain processing by the status data of environmental parameter, according to the data frame format of ICP/IP protocol, by GPRS network and Internet network, sends to remote monitoring center.When status data is during at environmental parameter early warning range, with mobile phone short messages notice, specify peasant household to manage maintenance to methane-generating pit.
(5) remote monitoring center carries out the Frame receiving to have data server after pre-service, when the early warning range of monitoring of environmental parameter in environmental parameter, pretreated data are produced to warning message, then calling methane-generating pit safety management expert system is further analyzed and processes historical data, form methane-generating pit security maintenance proposed projects, peasant household can utilize smart mobile phone to be connected to remote monitoring center by Internet network and obtain relevant information.
Described step (2) comprises following concrete steps:
Predetermined value and acquisition time interval T 1 that 2a. set environment parameter changes;
2b. wireless acquisition terminal 1 is according to time interval T1 image data, when if the ambient parameter data changing value collecting (the relatively last data that gather) is less than the variation predetermined value of setting, do not send data to wireless data transmission terminal, continuation is according to time interval T1 image data, otherwise reduce acquisition time interval T 1, increase and decrease times of collection, and send data to wireless data transmission terminal.
Described step (3) comprises following concrete steps:
3a., according to the principle that improves factor of created gase and safe handling, sets the inside and outside environmental parameter early warning range of methane-generating pit;
3b. wireless data transmission terminal carries out framing again to ambient parameter data, by being the data frame format based on ICP/IP protocol based on Zigbee protocol data format conversion, sends data to remote monitoring center;
3c. determines whether need to be to specifying peasant household to send security maintenance early warning information.When the outside biogas concentration of methane-generating pit surpasses early warning value or methane-generating pit internal environment parameter at early warning range, with mobile phone short messages, send security maintenance tutorial message or early warning information.
The beneficial effects of the utility model are:
System adopts the chip of low-power consumption to realize the radio communication based on Zigbee agreement, by revision sampling time interval, reduces power consumption of terminal; Adopt solar poweredly, easy to operate, cost is low, is convenient to implement.
System adopts ripe tcp/ip communication agreement, has good scalability, and a remote monitoring center can be supported the communication access of a plurality of methane-generating pit collection in worksite points, effectively realizes distributing maintenance management and the centralized management of methane-generating pit.
System intelligent degree is high, and monitoring effect is good, can provide early warning information or methane-generating pit maintenance management proposed projects for peasant household by mobile phone short messages.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the general structure schematic diagram of methane-generating pit monitor and early warning system described in the utility model.
Fig. 2 is the structural representation of wireless acquisition terminal 1 described in the utility model.
Fig. 3 is the structural representation of wireless acquisition terminal 2 described in the utility model.
Fig. 4 is the structural representation of wireless data transmission terminal described in the utility model.
Fig. 5 is the structural representation of power module described in the utility model.
Embodiment
As shown in Figure 1, a kind of methane-generating pit monitor and early warning system, comprise be arranged on methane-generating pit inside wireless acquisition terminal 1, be arranged on wireless acquisition terminal 2, wireless data transmission terminal and the remote monitoring center of methane-generating pit outside; Described wireless data transmission terminal, wireless acquisition terminal 1 and wireless acquisition terminal 2 form Star Network structure, and carry out radio communication according to Zigbee agreement; Between described wireless data transmission terminal and remote monitoring center, by GPRS network, be connected with Internet network and carry out radio communication; Described remote monitoring center comprises computing machine and data server.In addition, the quantity of wireless acquisition terminal 1 and wireless acquisition terminal 2 can be increased to 63335 in theory, and system has stronger extended capability.
In conjunction with Fig. 2, described wireless acquisition terminal 1 comprises processor unit for controlling, for monitoring methane-generating pit internal environment parameter acquisition unit, for the radio-frequency module of power amplification, the power module of powering for the clock module of timing and for the each several part of wireless acquisition terminal 1; Processor unit is connected with environmental parameter collecting unit, radio-frequency module, clock module, power module respectively; Environmental parameter collecting unit comprises temperature collect module, concentration acquisition module, pressure detection module and liquid level detection module.
In conjunction with Fig. 3, described wireless acquisition terminal 2 comprises processor unit for controlling, for monitoring methane-generating pit external environment condition parameter acquisition unit, for the radio-frequency module of power amplification, the power module of powering for the clock module of timing and for the each several part of wireless acquisition terminal 2; Processor unit is connected with environmental parameter collecting unit, radio-frequency module, clock module, power module respectively; Environmental parameter collecting unit comprises temperature collect module and concentration acquisition module.
In conjunction with Fig. 4, described wireless data transmission terminal comprises GPRS data transmission unit, serial communication modular, processor unit and radio-frequency module; Processor unit is connected with serial communication modular, radio-frequency module respectively; GPRS data transmission unit is connected with serial communication modular.GPRS data transmission unit adopts technical grade flush bonding processor, embedded ICP/IP protocol stack, standard RS232 data-interface is provided, and is to be specifically designed to serial data to be converted to IP data or IP data are converted to the wireless terminal device that serial data transmits by cordless communication network.
In conjunction with Fig. 5, the power module of described wireless acquisition terminal 1, wireless acquisition terminal 2 and wireless data transmission terminal adopts identical hardware configuration; Power module comprises solar panel, charge management module, accumulator and supply voltage modular converter, and charge management module is connected with solar panel, accumulator respectively, and supply voltage modular converter is connected with accumulator.
In conjunction with Fig. 2, Fig. 3, Fig. 4, processor unit and the radio-frequency module of described wireless acquisition terminal 1, wireless acquisition terminal 2 and wireless data transmission unit adopt identical hardware configuration; Processor unit adopts the Zigbee module CC2530F256 of TI company, and radio-frequency module adopts the CC2591 power amplifier module of TI company.
In conjunction with said system, a kind of monitoring method of methane-generating pit monitor and early warning system is also provided, comprise the following steps:
(1) intiating radio acquisition terminal 1, wireless acquisition terminal 2 and wireless data transmission terminal, by wireless data transmission terminal, set up wireless network, wireless acquisition terminal 1 and this network of wireless acquisition terminal 2 Automatic-searchings, obtain the network address, sets up network bound relation;
(2) 1 most of the time of wireless acquisition terminal, in park mode, gathers the status data of methane-generating pit internal environment parameter automatically according to certain hour interval, and when status data changing value surpasses predetermined value, status data is to wireless data transmission terminal;
(3) 2 mosts of the time of wireless acquisition terminal are in park mode, according to certain hour interval, automatically gather the status data of methane-generating pit external environment condition parameter, when biogas concentration change value surpasses predetermined value, send the status data of environmental parameter to wireless data transmission terminal;
(4) wireless data transmission terminal carries out certain processing by the status data of environmental parameter, according to the data frame format of ICP/IP protocol, by GPRS network and Internet network, sends to remote monitoring center.When status data is during at environmental parameter early warning range, with mobile phone short messages notice, specify peasant household to manage maintenance to methane-generating pit.
(5) remote monitoring center carries out the Frame receiving to have data server after pre-service, when the early warning range of monitoring of environmental parameter in environmental parameter, pretreated data are produced to warning message, then calling methane-generating pit safety management expert system is further analyzed and processes historical data, form methane-generating pit security maintenance proposed projects, peasant household can utilize smart mobile phone to be connected to remote monitoring center by Internet network and obtain relevant information.
Described step (2) comprises following concrete steps:
Predetermined value and acquisition time interval T 1 that 2a. set environment parameter changes;
2b. wireless acquisition terminal 1 is according to time interval T1 image data, when if the ambient parameter data changing value collecting (the relatively last data that gather) is less than the variation predetermined value of setting, do not send data to wireless data transmission terminal, continuation is according to time interval T1 image data, otherwise reduce acquisition time interval T 1, increase and decrease times of collection, and send data to wireless data transmission terminal.
Described step (3) comprises following concrete steps:
3a., according to the principle that improves factor of created gase and safe handling, sets the inside and outside environmental parameter early warning range of methane-generating pit;
3b. wireless data transmission terminal carries out framing again to ambient parameter data, by being the data frame format based on ICP/IP protocol based on Zigbee protocol data format conversion, sends data to remote monitoring center;
3c. determines whether need to be to specifying peasant household to send security maintenance early warning information.When the outside biogas concentration of methane-generating pit surpasses early warning value or methane-generating pit internal environment parameter at early warning range, with mobile phone short messages, send security maintenance tutorial message or early warning information.
Disclosed is above only specific embodiment of the utility model; but the utility model is not limited thereto; for the person of ordinary skill of the art, do not departing under the prerequisite of technical solutions of the utility model, the distortion of making should be considered as belonging to the utility model protection domain.

Claims (8)

1. a methane-generating pit monitor and early warning system, is characterized in that: comprise be arranged on methane-generating pit inside wireless acquisition terminal 1, be arranged on wireless acquisition terminal 2, wireless data transmission terminal and the remote monitoring center of methane-generating pit outside; Described wireless data transmission terminal, wireless acquisition terminal 1 and wireless acquisition terminal 2 form Star Network structure, and carry out radio communication according to Zigbee agreement; Between described wireless data transmission terminal and remote monitoring center, by GPRS network, be connected with Internet network and carry out radio communication.
2. methane-generating pit monitor and early warning system according to claim 1, is characterized in that: described wireless acquisition terminal 1 comprises processor unit for controlling, for monitoring methane-generating pit internal environment parameter acquisition unit, for the radio-frequency module of power amplification, the power module of powering for the clock module of timing and for the each several part of wireless acquisition terminal 1; Processor unit is connected with environmental parameter collecting unit, radio-frequency module, clock module, power module respectively; Environmental parameter collecting unit comprises temperature collect module, concentration acquisition module, pressure detection module and liquid level detection module.
3. methane-generating pit monitor and early warning system according to claim 1, is characterized in that: described wireless acquisition terminal 2 comprises processor unit for controlling, for monitoring methane-generating pit external environment condition parameter acquisition unit, for the radio-frequency module of power amplification, the power module of powering for the clock module of timing and for the each several part of wireless acquisition terminal 2; Processor unit is connected with environmental parameter collecting unit, radio-frequency module, clock module, power module respectively; Environmental parameter collecting unit comprises temperature collect module and concentration acquisition module.
4. methane-generating pit monitor and early warning system according to claim 1, is characterized in that: described wireless data transmission terminal comprises GPRS data transmission unit, serial communication modular, processor unit and radio-frequency module; Processor unit is connected with serial communication modular, radio-frequency module respectively; GPRS data transmission unit is connected with serial communication modular.
5. according to the methane-generating pit monitor and early warning system described in claim 2 or 3, it is characterized in that: the quantity of described wireless acquisition terminal 1 and wireless acquisition terminal 2 can be one or more.
6. according to the methane-generating pit monitor and early warning system described in claim 2 or 3 or 4, it is characterized in that: the power module of described wireless acquisition terminal 1, wireless acquisition terminal 2 and wireless data transmission terminal adopts identical hardware configuration; Power module comprises solar panel, charge management module, accumulator and supply voltage modular converter, and charge management module is connected with solar panel, accumulator respectively, and supply voltage modular converter is connected with accumulator.
7. according to the methane-generating pit monitor and early warning system described in claim 2 or 3 or 4, it is characterized in that: processor unit and the radio-frequency module of described wireless acquisition terminal 1, wireless acquisition terminal 2 and wireless data transmission unit adopt identical hardware configuration; Processor unit adopts the Zigbee module CC2530F256 of TI company, and radio-frequency module adopts the CC2591 module of TI company.
8. methane-generating pit monitor and early warning system according to claim 1, is characterized in that: described remote monitoring center comprises computing machine and data server.
CN201420057222.2U 2014-01-24 2014-01-24 Rural biogas digester monitoring and early warning system Expired - Fee Related CN203812054U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744409A (en) * 2014-01-24 2014-04-23 陕西理工学院 Monitoring and pre-warning system and method for rural methane pools
CN106971489A (en) * 2017-05-15 2017-07-21 柳州玲通科技有限责任公司 A kind of methane-generating pit security system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744409A (en) * 2014-01-24 2014-04-23 陕西理工学院 Monitoring and pre-warning system and method for rural methane pools
CN106971489A (en) * 2017-05-15 2017-07-21 柳州玲通科技有限责任公司 A kind of methane-generating pit security system

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Granted publication date: 20140903

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