CN101261022A - Urban heat supply data acquisition unit and heat supply centralized control method - Google Patents
Urban heat supply data acquisition unit and heat supply centralized control method Download PDFInfo
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- CN101261022A CN101261022A CNA2007100105624A CN200710010562A CN101261022A CN 101261022 A CN101261022 A CN 101261022A CN A2007100105624 A CNA2007100105624 A CN A2007100105624A CN 200710010562 A CN200710010562 A CN 200710010562A CN 101261022 A CN101261022 A CN 101261022A
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Abstract
The invention relates to an urban heating data collecting device and a heating centralized monitoring method. The urban heating data collecting device is provided with a data collector; an input terminal receives and stores heating detection data from a measuring instrument and is connected with a wireless data transmission unit by a communication interface; the wireless data transmission unit sends the data stored by the data collector to a monitoring management center by a radio communication network; the heating centralized monitoring method comprises the following steps that: the heating data collecting device detects heating data of a heating unit by the measuring instrument; the heating data is collected by the heating data collecting device; according to a communication protocol, the heating data collecting device receives a command from the monitoring management center and sends the heating data to the monitoring management center by the radio communication network; the monitoring management center receives the heating data and outputs analytical results. The urban heating data collecting device and the heating centralized monitoring method can carry out real-time and on-line collection of operating data of the heating unit, improve the heating quality, carry out scientific examination on a heating enterprise and provide an effective scientific basis and a management platform for government sectors.
Description
Technical field
The present invention relates to district heating system, specifically a kind of city heat supply data acquisition unit and heat supply centralized monitoring method.
Background technology
City heat supply is just developed to central heating by scattered heat supply, in implementing central heating, from improving heating quality, energy savings angle, is necessary that to heating enterprise especially heat supply unit's (thermal source factory, heat exchange station etc.) carries out comprehensive monitoring management.The way to manage that adopts mainly is to understand each heat supply unit's heat supply situation by on-the-spot investigation at present, gathers entire city heat supply situation in view of the above.But because each heat supply unit disperses to be provided with in the city, in a manner described, not only time-consuming consumption power, and be difficult to monitor in real time each heat supply unit's operation conditions, thus the overall process that is difficult to comprehensively grasp the entire city heat supply.
Summary of the invention
At there being the problem that is difficult to monitor in real time each heat supply unit's heat supply running situation in the above-mentioned city heat supply, the object of the present invention is to provide a kind of city heat supply data acquisition unit and heat supply centralized monitoring method of being convenient to the service data of acquiring heat supply unit.
For achieving the above object, the technical solution used in the present invention is:
City heat supply data acquisition unit of the present invention has data acquisition unit, and input receives the heat supply detection data of measuring instrument and stores, and links to each other with wireless data transmission unit by communication interface; Wireless data transmission unit sends to the monitoring management center by the data of wireless communication networks with the data acquisition unit storage.
Described data acquisition unit has CPU, and its input is connected to measuring instrument by analog-digital converter, and output is connected to the control loop of each heating equipment in the heat supply unit respectively through latch and driver module, serial ports link to each other with communication interface through photoelectric coupling circuit.
Described wireless data transmission unit is the front-end module of GPRS or CDMA access way correspondence.
City heat supply collecting method of the present invention may further comprise the steps:
The heat supply data acquisition unit detects the heat supply data of heat supply unit by measuring instrument; Gather above-mentioned heat supply data by the heat supply data acquisition unit; The heat supply data acquisition unit sends above-mentioned heat supply data by radio circuit to the monitoring management center according to the instruction at communications protocol reception monitoring management center; The monitoring management center receives above-mentioned heat supply data, it analyzed, and the output analysis result.
Whether described heat supply data acquisition unit receives the instruction at monitoring management center, may further comprise the steps: correct according to communications protocol decision instruction bag; If above-mentioned judged result is correct, then the heat supply data acquisition unit is uploaded the heat supply data.
Described monitoring management center receives the heat supply data and may further comprise the steps: thread is set up in the polling interval according to heat supply unit's situation and requirement; Each thread constantly circulates, and gets station number, the transmission of order bag and packet and receives; The packet that receives is broken through the judgement of data legitimacy, station number identification, the judgement of packet validity, data, obtain the real time data of corresponding heat supply unit; Real time data is upgraded, and saved historical data.
The present invention has the following advantages and beneficial effect:
1. the service data of real-time online acquiring heat supply unit is convenient to unified management.The present invention is based on wireless network and carry out data carrying and transmission, the management system for monitoring real-time online by wireless communication networks transmission of monitoring data, is monitored the overall process of city heat supply in real time, the practical operation situation that clearly reflects each thermal source factory, heat exchange station, the operational factor of each website of detail record; Parameter values such as centralized displaying temperature, pressure, flow have violation operation and report to the police, functions such as record store historical data, for improving heating quality, energy savings is carried out the science examination to heating enterprise, for government administration section provides effective scientific basis and management platform.
2. broad covered area is safe and reliable, and is economical and practical.The present invention adopts wireless data transmission unit, as utilizes GPRS or CDMA to insert wide area network, all can carry out safe and reliable transfer of data by mobile communication network under various weather conditions, is not subjected to distance limit; GPRS provides a kind of connection between mobile subscriber and data network, provide high-speed radio IP or X.25 service to the mobile subscriber; GPRS adopts packet-switch technology, and each user can take a plurality of wireless channels simultaneously, and same wireless channel can be shared by a plurality of users again, and resource is effectively used, and message transmission rate is up to 160Kbps.Use the GPRS technology to realize that packet sends and receives, user's real-time online makes city heat supply reach the requirement of unified management, has improved heating quality, has reduced the heat supply energy consumption, is convenient to safeguard, has greatly reduced cost of serving.
3. applied range.But the present invention's extensive use and remote, discrete distributed data acquisition transmitting, monitoring, as: the monitoring management of distributed networks such as city heat supply, coal gas, running water, petroleum pipeline, street lamp.
Description of drawings
Fig. 1 is applied to schematic diagram in the city heat supply monitoring system for apparatus of the present invention;
Fig. 2 is apparatus of the present invention structured flowchart;
Fig. 3 A is apparatus of the present invention electrical schematic diagram (one);
Fig. 3 B is apparatus of the present invention electrical schematic diagram (two);
Fig. 3 C is apparatus of the present invention electrical schematic diagram (three);
Fig. 4 is the inventive method flow chart (one);
Fig. 5 is the inventive method flow chart (two);
Fig. 6 is the inventive method flow chart (three);
Fig. 7 is the inventive method flow chart (four);
Fig. 8 is the electrical connection diagram of GPRS data transmission unit and communication interface in apparatus of the present invention.
The specific embodiment
As shown in Figure 1, the city heat supply monitoring system comprises a plurality of measuring instruments 1, at least 1 heat supply data acquisition unit 2 and monitoring management center 4, measuring instrument 1 is arranged at each heat supply unit, be used to detect the heat supply data of heat supply unit, as temperature, pressure, flow etc., measuring instrument 1 specifically can be temperature sensor, pressure sensor or flowmeter etc., each measuring instrument is converted to 4～20mA current signal of standard with measuring-signal, supplies with the heat supply data acquisition unit.
Shown in Fig. 2 and Fig. 3 A～C, apparatus of the present invention comprise data acquisition unit, and its input receives the heat supply detection data of measuring instrument 1 and stores, and links to each other with wireless data transmission unit U11 by communication interface U10; Wireless data transmission unit U11 sends to monitoring management center 4 by the data of wireless communication networks 3 with the data acquisition unit storage.
Data acquisition unit has complete I/O interface, in the present embodiment 10 tunnel analog inputs, the output of 4 road photoelectric isolating relays, wherein analog input is measuring instrument 1 is connected to CPUU1 through analog-digital converter U2 a input, the output of CPUU1 is connected to the control loop of heating equipment in the heat supply unit through latch U8, driver module U9 and photoelectric isolating relay, and the serial ports of CPUU1 links to each other with communication interface U10 (RS-485 communication interface) through photoelectric coupling circuit.
Described wireless data transmission unit U11 is GPRS (General Packet Radio Service, GPRS, be a kind of wireless, packet-switched technology based on gsm system, provide end to end, wireless IP connects) or the front-end module of CDMA access way correspondence.Adopting the GPRS data transmission unit in the present embodiment is GPRS DTU (model is H7118), as shown in Figure 8, its signal input pin Rx-, Rx+ and signal output pin Tx-, the forward that Tx+ is connected to the RS-485 communication interface receives input and sends output pin A, negative sense receives input and sends output pin B, need to determine APN before the use, GPRS DTU identity code, the IP address, online report time, reconnect the time interval, console message type etc., after entering configuration mode, each configuration mode such as baud rate to the GPRS data transmission unit, data bit, position of rest, check bit and Flow Control etc. are provided with, and carry out transfer of data by above-mentioned communications protocol of making by oneself and monitoring management center 4.
Apparatus of the present invention need measuring instrument 1 is connected to heat supply data acquisition unit 2 corresponding input end in use, and operation then powers on.
Apparatus of the present invention realize its function by the heat supply centralized monitoring method, and as shown in Figure 4, concrete steps are as follows:
Heat supply data acquisition unit 2 detects the heat supply data of heat supply unit by measuring instrument 1; Gather above-mentioned heat supply data by heat supply data acquisition unit 2; Heat supply data acquisition unit 2 sends above-mentioned heat supply data by radio circuit to monitoring management center 4 according to the instruction at communications protocol reception monitoring management center; Monitoring management center 4 receives above-mentioned heat supply data, it analyzed, and the output analysis result.
Wherein said heat supply data acquisition unit receives the instruction at monitoring management center, may further comprise the steps:
Whether correct according to communications protocol decision instruction bag; If above-mentioned judged result is correct, then the heat supply data acquisition unit is uploaded the heat supply data, gathers above-mentioned heat supply data step otherwise get back to by heat supply data acquisition unit 2.
As shown in Figure 5, whether described decision instruction bag correctly may further comprise the steps:
Whether decision instruction bag data head is correct; If above-mentioned judged result is correct, then receives other data of instruction bag continuously, otherwise finish this instruction bag determining program; Judge whether the data that receive reach specific length, if reach specific length, then whether decision instruction bag data tail is correct, otherwise continue to receive other data of instruction bag; If above-mentioned decision instruction bag data tail is correct, judges then whether the station number of heat supply unit is correct, otherwise finish this instruction bag determining program; If the station number of above-mentioned judgement heat supply unit is correct, judges then whether check code is correct, otherwise finish this instruction bag determining program; If above-mentioned judgement check code is correct, then whether the decision instruction position is correct, otherwise finishes this instruction bag determining program; If above-mentioned decision instruction position is correct, then uploads the heat supply data, otherwise finish this instruction bag determining program.
As shown in Figure 6, described monitoring management center reception heat supply data may further comprise the steps: thread is set up in the polling interval according to heat supply unit's situation and requirement; Each thread constantly circulates, and gets station number, the transmission of order bag and packet and receives; The packet that receives is broken through the judgement of data legitimacy, station number identification, the judgement of packet validity, data, obtain the real time data of corresponding heat supply unit; Real time data is upgraded, and judged whether to save historical data, for being, then preserve historical record, carry out the next stop then and handle, for not, then directly enter the next stop and handle as judged result as judged result; If the result that the data legitimacy is judged then writes down the daily record that makes mistakes for not, carry out the next stop then and handle, the laggard line data that disposes sends.
As shown in Figure 7, described packet validity judgement may further comprise the steps:
Whether judgment data bag packet header is correct; If above-mentioned judged result is correct, then whether judgment data bag bag is long correct; If above-mentioned judged result is correct, then whether judgment data bag bag tail is correct; If above-mentioned judged result is correct, then whether the station number of judgment data bag is correct; If above-mentioned judged result is correct, judge then whether the CRC check sign indicating number is correct; If above-mentioned judged result is correct, then whether the decision instruction position is correct; If above-mentioned judged result is correct, then handle the heat supply data that receive, real time data is upgraded, and saved historical data; If any one then is the misdata bag for not in above-mentioned each judged result, abandon this misdata bag behind the log.
Apparatus of the present invention can be portable structure, can use for a plurality of heat supply units, and are easy to connect, easy to operate, maintainable strong.
Claims (6)
1. city heat supply data acquisition unit is characterized in that having:
Data acquisition unit, input receive the heat supply detection data of measuring instrument (1) and store, and link to each other with wireless data transmission unit (U11) by communication interface (U10);
Wireless data transmission unit (U11) sends to monitoring management center (4) by the data of wireless communication networks (3) with the data acquisition unit storage.
2. by the described city heat supply data acquisition unit of claim 1, it is characterized in that: described data acquisition unit has CPU (U1), its input is connected to measuring instrument (1) by analog-digital converter (U2), output is connected to the control loop of heating equipment in the heat supply unit through latch (U8) and driver module (U9), and the serial ports of CPU (U1) links to each other with communication interface (U10) through photoelectric coupling circuit.
3. by the described city heat supply data acquisition unit of claim 1, it is characterized in that: described wireless data transmission unit (U11) is the front-end module of GPRS or CDMA access way correspondence.
4. heat supply centralized monitoring method that utilizes the city heat supply data acquisition unit to realize is characterized in that may further comprise the steps:
The heat supply data acquisition unit detects the heat supply data of heat supply unit by measuring instrument;
Gather above-mentioned heat supply data by the heat supply data acquisition unit;
The heat supply data acquisition unit sends above-mentioned heat supply data by radio circuit to the monitoring management center according to the instruction at communications protocol reception monitoring management center;
The monitoring management center receives above-mentioned heat supply data, it analyzed, and the output analysis result.
5. by the described heat supply centralized monitoring method of claim 4, it is characterized in that described heat supply data acquisition unit receives the instruction at monitoring management center, may further comprise the steps:
Whether correct according to communications protocol decision instruction bag;
If above-mentioned judged result is correct, then the heat supply data acquisition unit is uploaded the heat supply data.
6. by the described heat supply centralized monitoring method of claim 4, it is characterized in that described monitoring management center receives the heat supply data and may further comprise the steps:
Thread is set up in polling interval according to heat supply unit's situation and requirement;
Each thread constantly circulates, and gets station number, the transmission of order bag and packet and receives;
The packet that receives is broken through the judgement of data legitimacy, station number identification, the judgement of packet validity, data, obtain the real time data of corresponding heat supply unit;
Real time data is upgraded, and saved historical data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100105624A CN101261022A (en) | 2007-03-09 | 2007-03-09 | Urban heat supply data acquisition unit and heat supply centralized control method |
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| CNA2007100105624A CN101261022A (en) | 2007-03-09 | 2007-03-09 | Urban heat supply data acquisition unit and heat supply centralized control method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566517A (en) * | 2010-12-15 | 2012-07-11 | 上海电科电器科技有限公司 | Detection method capable of automatically identifying state of controlled equipment through photovoltaic data collector |
| CN102695295A (en) * | 2012-05-22 | 2012-09-26 | 北京建筑技术发展有限责任公司 | Distributed data acquisition control system and method for applying same |
| CN102902235A (en) * | 2011-07-27 | 2013-01-30 | 叶晓朋 | Automatic control and remote network monitoring system for centralized heating |
| CN104482593A (en) * | 2014-12-25 | 2015-04-01 | 沈阳仪表科学研究院有限公司 | Intelligent control method of water/water heat exchange station |
| CN104503400A (en) * | 2014-12-10 | 2015-04-08 | 东莞市风火轮热能科技有限公司 | Automatic monitoring device of air energy remote monitoring end |
| CN106765530A (en) * | 2016-12-28 | 2017-05-31 | 湖南信熙智控科技有限公司 | One kind is based on Internet of Things energy-conserving and environment-protective heating control system |
| CN106773860A (en) * | 2016-12-28 | 2017-05-31 | 湖南信熙智控科技有限公司 | A kind of tele-control system based on Internet of Things energy-conserving and environment-protective heating control system |
| CN108833523A (en) * | 2018-06-07 | 2018-11-16 | 深圳汉光电子技术有限公司 | A kind of heat supply wisdom operating system based on Internet of Things |
-
2007
- 2007-03-09 CN CNA2007100105624A patent/CN101261022A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566517A (en) * | 2010-12-15 | 2012-07-11 | 上海电科电器科技有限公司 | Detection method capable of automatically identifying state of controlled equipment through photovoltaic data collector |
| CN102566517B (en) * | 2010-12-15 | 2014-02-26 | 上海电科电器科技有限公司 | Detection method capable of automatically identifying state of controlled equipment through photovoltaic data collector |
| CN102902235A (en) * | 2011-07-27 | 2013-01-30 | 叶晓朋 | Automatic control and remote network monitoring system for centralized heating |
| CN102695295A (en) * | 2012-05-22 | 2012-09-26 | 北京建筑技术发展有限责任公司 | Distributed data acquisition control system and method for applying same |
| CN102695295B (en) * | 2012-05-22 | 2014-12-24 | 北京建筑技术发展有限责任公司 | Distributed data acquisition control system and method for applying same |
| CN104503400A (en) * | 2014-12-10 | 2015-04-08 | 东莞市风火轮热能科技有限公司 | Automatic monitoring device of air energy remote monitoring end |
| CN104503400B (en) * | 2014-12-10 | 2017-05-24 | 东莞市风火轮热能科技有限公司 | Automatic monitoring device of air energy remote monitoring end |
| CN104482593A (en) * | 2014-12-25 | 2015-04-01 | 沈阳仪表科学研究院有限公司 | Intelligent control method of water/water heat exchange station |
| CN106765530A (en) * | 2016-12-28 | 2017-05-31 | 湖南信熙智控科技有限公司 | One kind is based on Internet of Things energy-conserving and environment-protective heating control system |
| CN106773860A (en) * | 2016-12-28 | 2017-05-31 | 湖南信熙智控科技有限公司 | A kind of tele-control system based on Internet of Things energy-conserving and environment-protective heating control system |
| CN108833523A (en) * | 2018-06-07 | 2018-11-16 | 深圳汉光电子技术有限公司 | A kind of heat supply wisdom operating system based on Internet of Things |
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Open date: 20080910 |