CN112728783A - Intelligent solar heating system based on Internet of things - Google Patents
Intelligent solar heating system based on Internet of things Download PDFInfo
- Publication number
- CN112728783A CN112728783A CN202110124469.6A CN202110124469A CN112728783A CN 112728783 A CN112728783 A CN 112728783A CN 202110124469 A CN202110124469 A CN 202110124469A CN 112728783 A CN112728783 A CN 112728783A
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- Prior art keywords
- management module
- working medium
- heat transfer
- sensor
- heating system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The invention provides an intelligent solar heating system based on the Internet of things, aiming at the problem of output temperature fluctuation of the solar heating system caused by continuous change of solar energy over time, and the intelligent solar heating system can monitor operation parameters in real time and implement intelligent control so as to realize stable operation. A large-scale heat storage device needs to be installed in a traditional solar heating system, and output temperature deviation can be caused when the operation of a heat exchanger deviates from a design value greatly. The invention utilizes the technical characteristics of the Internet of things to ensure that the sensor and the controller of the solar heating system can work cooperatively. Different heat exchanger pipeline lines are selected under the condition of different solar radiation values, so that the system can work under multiple operating parameters. The system does not need heat storage equipment under the condition that solar radiation is constantly changed, and stable output temperature is realized.
Description
Technical Field
The invention designs a solar heating system, in particular to an intelligent solar heating system based on the Internet of things.
Background
An intelligent solar heating system forms an internet of things through embedded equipment. And dynamically adjusting the system operation parameters according to the external environment and the load requirement. The method has the characteristics of informatization and automation. Based on the internet of things information interconnection, the real-time calculation of the embedded equipment is matched to complete the real-time control and adjustment of each module of the system, and the functions of on-line analysis decision, remote control and the like can be realized according to the user requirements.
The traditional solar heating system is difficult to resist the change of the external environment, and a large-scale heat storage device is generally adopted to stabilize the heat output of the system. Meanwhile, the problems of cost of a lifting system, huge occupied area and the like are solved. And because the structural parameters of the heat exchanger are limited, the heat exchanger cannot deviate from the design working condition during operation, otherwise, larger output temperature deviation can be generated.
Through establishing the intelligent system based on the Internet of things, the real-time dynamic adjustment of the traditional solar heating system can be realized, and the system has the capability of quickly responding to sunlight radiation, so that the flexibility of the system is improved, the cost of the system is reduced, and the integrity of the system is improved.
The intelligent system based on the Internet of things is an upgrade of the traditional hardware system. Along with the continuous deepening of the system cooperation integration, the upgrading of the internet of things can be rapidly developed. From the perspective of an intelligent system, a multi-module cooperative control platform is built, all controllers and sensors are integrated, respective cooperative operation and upper-layer organization scheduling are facilitated, and the safety of the system is improved.
By utilizing the technology of the Internet of things, a system information network is constructed by detecting the operation parameters of each section of the system, and the factors influencing the operation of the solar heating system are intelligently monitored in an all-round way. A set of solar heating system with global monitoring and control can be established on the basis of the Internet of things, and dynamic response to solar radiation change is realized.
Disclosure of Invention
The invention aims to overcome the defects in the existing solar technology, and provides an intelligent solar heating system based on the Internet of things, which can realize information interaction of all links of the system by means of the technical advantages of the Internet of things, so that the system can respond to solar radiation more flexibly.
According to the technical scheme provided by the invention, the intelligent solar heating system based on the Internet of things is characterized in that: the Internet of things is connected with a plurality of intelligent management modules through a CAN bus or an RS485 bus or an industrial Ethernet bus, and the intelligent management modules are connected with sensors and controllers of all links of the system.
The intelligent management module is as follows: the device comprises a temperature management module, a flow management module, a radiation management module and a heat exchange management module. The main function of the controller is to control the relevant instructions of the controller through calculation of a control algorithm according to signals sent by relevant sensors.
The sensor includes: the system comprises a solar radiation sensor, a heat transfer working medium temperature sensor, a heat transfer working medium flow sensor, a user working medium temperature sensor and a user working medium flow sensor.
The controller includes: the heat exchanger comprises a heat transfer working medium oil supply pump, a flow valve of the heat transfer working medium and a pipeline route selection valve of the heat exchanger.
The intelligent management module has the main function of controlling the relevant instructions of the controller through calculation of a control algorithm according to signals sent by the relevant sensors. The temperature management module can realize the control of the output temperature of the system. The flow management module can realize the control of the flow of the heat exchange working medium of the system. The radiation management module can realize that the control heat exchange management module of the system working gear can realize the switching of a plurality of routes of heat transfer working medium pipelines in the heat exchanger, thereby realizing different heat transfer powers by changing the heat transfer area.
The sensor includes: the solar radiation sensor is arranged beside the solar thermal collector and used for monitoring the solar radiation intensity in real time on line and transmitting the solar radiation intensity to each management module through a CAN bus or an RS485 bus or an industrial Ethernet bus.
The sensor includes: the heat transfer working medium temperature sensor is arranged in a pipeline at the heat transfer working medium side of the heat exchanger, is used for monitoring the temperature of the inlet and outlet of the heat transfer working medium in real time on line and transmitting the temperature to each management module through a CAN bus or an RS485 bus or an industrial Ethernet bus.
The sensor includes: the heat transfer working medium flow sensor is arranged in a pipeline at the heat transfer working medium side of the heat exchanger, is used for monitoring the heat transfer working medium flow in real time on line and transmitting the heat transfer working medium flow to each management module through a CAN bus or an RS485 bus or an industrial Ethernet bus.
The sensor includes: the user working medium temperature sensor is arranged in a pipeline at the user working medium side of the heat exchanger and used for monitoring the temperature of the user working medium inlet and outlet in real time on line and transmitting the temperature to each management module through a CAN bus or an RS485 bus or an industrial Ethernet bus.
The sensor includes: the user working medium flow sensor is arranged in a pipeline at the user working medium side of the heat exchanger, is used for monitoring the flow of the user working medium in real time on line and transmitting the flow to each management module through a CAN bus or an RS485 bus or an industrial Ethernet bus.
The invention has the advantages that: by utilizing the technical characteristics of the Internet of things, the sensor and the controller of the solar heating system can work cooperatively, so that the system can keep the stability of the output temperature without heat storage equipment under the condition that the solar radiation is continuously changed.
Drawings
FIG. 1 is a block diagram of the system architecture of the present invention.
The labels in the figures are: 1-sunlight, 2-sunlight radiation sensor, 3-solar heat collector, 4-heat exchanger heat transfer working medium pipeline route A, 5-heat exchanger heat transfer working medium pipeline route B, 6-heat exchanger heat transfer working medium pipeline route C, 7-heat exchanger heat transfer working medium pipeline route D, 8-heat exchanger, 9-user working medium pump, 10-heat user, 11-heat transfer working medium flow control valve, 12-heat exchange working medium pipeline route switching valve, 13-user working medium pipeline, 14-heat transfer working medium temperature sensor, 15-heat transfer working medium flow sensor, 16-intelligent radiation management module, 17-intelligent flow management module, 18-intelligent temperature management module, 19-intelligent heat exchange management module, 20-heat transfer working medium pump, 21-heat transfer working medium pipeline, 22-user working medium temperature sensor and 23-user working medium flow sensor
Detailed Description
The invention is further illustrated by the following figures and examples. The invention utilizes the technical advantages of the Internet of things, adopts each sensor to measure signals such as real-time solar radiation, flow, temperature and the like, and adopts a wired 485 or CAN bus or industrial Ethernet bus to realize the transmission of the signals. The signals are analyzed through the intelligent management modules, so that the system can be guaranteed to maintain unchanged output temperature and stably run on the premise that the solar radiation is changed ceaselessly and the heat storage device is not installed.
The intelligent solar heating system based on the Internet of things is mainly characterized in that an intelligent management module is connected with sensors and controllers of all links of the system.
As shown in fig. 1, each intelligent management module of the intelligent solar system and the sensors and controllers in each link of the system form an internet of things through an RS485 bus or a CAN bus or an industrial ethernet bus.
The system collects 1-sunlight heating heat transfer working medium through a 3-solar heat collector, the heat transfer working medium flows through a 21-heat transfer working medium pipeline, the flow is controlled through a 20-heat transfer working medium pump and a 11-heat transfer working medium flow valve, user working medium is heated to the required temperature through an 8-heat exchanger, and a 9-user working medium pump drives the working medium to flow into the 8-heat exchanger through a 13-user working medium pipeline and supplies the heated working medium to a 10-heat user.
And a 2-sunlight radiation sensor arranged beside the 3-solar heat collector collects sunlight radiation data and transmits the sunlight radiation data to all intelligent management modules.
The 16-intelligent radiation management module judges that the system operates in a certain gear (generally, the system can be divided into 5 gears or more gears according to the radiation intensity) according to the signals of the 2-sunlight radiation sensor, and transmits the signals to other intelligent management modules.
And (2) adjusting the power of the 20-heat transfer working medium flow pump by the intelligent flow management module according to the system gear signal to realize the adjustment of the heat transfer working medium flow power source.
And (2) changing a 12-heat exchange working medium pipeline route switching valve by the intelligent heat exchange management module according to the 2-sunlight radiation sensor signal, the 16-system gear signal of the intelligent radiation management module, the 15-heat transfer working medium flow sensor signal and the 14-heat transfer working medium temperature sensor signal to realize the switching of the heat exchanger pipeline lines 4, 5, 6 and 7 (the number of the lines is not limited).
And the 18-intelligent temperature management module accurately adjusts the 11-heat transfer working medium flow valve according to feedback signals of the 22-user working medium temperature sensor and the 23-user working medium flow sensor.
In order to adapt to the instability of solar radiation, the intelligent and networked trends of the Internet of things are combined, and the intelligent solar heating system has the advantages of flexibility, stability, low manufacturing cost and the like. According to the system, environmental sunlight radiation data and system self operation data are read in real time, and each intelligent management module acquires data based on a CAN bus or an RS485 bus or an industrial Ethernet bus and sends an adjusting instruction to the controller, so that the system responds to user load under the condition that the sunlight radiation is continuously changed, and the stable operation of the system is kept.
Claims (9)
1. The utility model provides an intelligence solar heating system based on thing networking, characterized by: the Internet of things is connected with the intelligent management module, the sensor and the controller of each link of the system through a CAN bus, an RS485 bus or an industrial Ethernet bus.
2. The intelligent management module of claim 1 is configured to: the device comprises a temperature management module, a flow management module, a radiation management module and a heat exchange management module.
3. The temperature management module of claim 2, wherein the temperature management module is configured to control an output temperature of the system.
4. The flow management module of claim 2, wherein the flow management module is configured to control the flow of the heat exchange medium of the system.
5. The radiation management module of claim 2 can control the system operating range.
6. The heat exchange management module of claim 2 can realize switching of multiple routes of heat transfer working medium pipelines in the heat exchanger, thereby realizing different heat transfer powers by changing heat transfer areas.
7. The intelligent management module as claimed in claim 1 has the main function of controlling the relevant commands of the controller through the calculation of the control algorithm according to the signals sent by the relevant sensors.
8. The sensor of claim 1 comprising: the system comprises a solar radiation sensor, a heat transfer working medium temperature sensor, a heat transfer working medium flow sensor, a user working medium temperature sensor and a user working medium flow sensor.
9. The controller of claim 1 comprising: the heat exchanger comprises a heat transfer working medium oil supply pump, a flow valve of the heat transfer working medium and a pipeline route selection valve of the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124469.6A CN112728783A (en) | 2021-01-28 | 2021-01-28 | Intelligent solar heating system based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124469.6A CN112728783A (en) | 2021-01-28 | 2021-01-28 | Intelligent solar heating system based on Internet of things |
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| Publication Number | Publication Date |
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| CN112728783A true CN112728783A (en) | 2021-04-30 |
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| CN202110124469.6A Pending CN112728783A (en) | 2021-01-28 | 2021-01-28 | Intelligent solar heating system based on Internet of things |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231002A (en) * | 2008-02-19 | 2008-07-30 | 东南大学 | Multifunctional heat pump device capable of cooling and heating by floor radialization |
| CN201145419Y (en) * | 2007-10-17 | 2008-11-05 | 栾健 | Intelligent antifreeze type solar heating hot water apparatus |
| CN102425865A (en) * | 2011-11-07 | 2012-04-25 | 深圳市联讯创新工场科技开发有限公司 | Solar heat collecting device |
| US20130205778A1 (en) * | 2010-09-28 | 2013-08-15 | Innogie Aps | Thermal solar absorber system generating heat and electricity |
| CN205783313U (en) * | 2016-05-16 | 2016-12-07 | 云南启能光伏开发有限公司 | A kind of it is applied to the Intelligent Measurement of photo-thermal heating system, control and Internet of Things gasifying device |
| CN208475682U (en) * | 2018-04-20 | 2019-02-05 | 青岛科技大学 | Power type separate heat pipe panel solar hot-water heating system |
-
2021
- 2021-01-28 CN CN202110124469.6A patent/CN112728783A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201145419Y (en) * | 2007-10-17 | 2008-11-05 | 栾健 | Intelligent antifreeze type solar heating hot water apparatus |
| CN101231002A (en) * | 2008-02-19 | 2008-07-30 | 东南大学 | Multifunctional heat pump device capable of cooling and heating by floor radialization |
| US20130205778A1 (en) * | 2010-09-28 | 2013-08-15 | Innogie Aps | Thermal solar absorber system generating heat and electricity |
| CN102425865A (en) * | 2011-11-07 | 2012-04-25 | 深圳市联讯创新工场科技开发有限公司 | Solar heat collecting device |
| CN205783313U (en) * | 2016-05-16 | 2016-12-07 | 云南启能光伏开发有限公司 | A kind of it is applied to the Intelligent Measurement of photo-thermal heating system, control and Internet of Things gasifying device |
| CN208475682U (en) * | 2018-04-20 | 2019-02-05 | 青岛科技大学 | Power type separate heat pipe panel solar hot-water heating system |
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