CN111336696A - Solar hot water automatic control system based on Internet of things module - Google Patents

Solar hot water automatic control system based on Internet of things module Download PDF

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Publication number
CN111336696A
CN111336696A CN202010149809.6A CN202010149809A CN111336696A CN 111336696 A CN111336696 A CN 111336696A CN 202010149809 A CN202010149809 A CN 202010149809A CN 111336696 A CN111336696 A CN 111336696A
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CN
China
Prior art keywords
module
internet
temperature difference
hot water
system based
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010149809.6A
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Chinese (zh)
Inventor
杨云龙
乌伟
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Xijing University
Original Assignee
Xijing University
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Filing date
Publication date
Application filed by Xijing University filed Critical Xijing University
Priority to CN202010149809.6A priority Critical patent/CN111336696A/en
Publication of CN111336696A publication Critical patent/CN111336696A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00Arrangements for controlling solar heat collectors
    • F24S50/40Arrangements for controlling solar heat collectors responsive to temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices
    • F24D19/1006Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1042Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses solar energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/005Hot-water central heating systems combined with solar energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/70Preventing freezing
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The invention discloses an automatic solar hot water control system based on an internet of things module, which comprises the internet of things module, wherein a detection module is connected to the internet of things module, a mobile phone app is connected to the internet of things module through a signal, an intermediate relay is connected to the internet of things module, an alternating current contactor is connected to the output end of the intermediate relay, and a circulating pump is connected to the alternating current contactor in a control mode.

Description

Solar hot water automatic control system based on Internet of things module
Technical Field
The invention relates to the technical field of automatic control, in particular to an automatic solar hot water control system based on an internet of things module.
Background
At present, a plurality of heating facilities in colleges and universities adopt solar water heating systems for heating, but the heating systems have the following problems: due to the technical problem of the adopted equipment, the temperature acquisition signal has a distortion phenomenon to a great extent, and the driving delay and the error of temperature difference circulation are large. And the heating facility does not adopt the wireless control technology, and all the signal transmission depends on the line to transmit, so that the line of the system is too many and complicated. In addition, when the temperature of the system is too low, the condition that the system cannot normally run can be generated, and the heat collecting pipe can be damaged by freezing in severe cases. In order to solve the problems of remote monitoring and signal error of the system, a new heating control scheme is designed by taking the technology of the Internet of things as a core.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an automatic solar hot water control system based on an internet of things module, which can realize effective circulation of solar internal hot water and improve the reliability of a heating system.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a solar hot water automatic control system based on thing networking module, includes thing networking module, be connected with detection module in the thing networking module, the last signal connection of thing networking module has cell-phone app, be connected with auxiliary relay in the thing networking module, the auxiliary relay output is connected with ac contactor, ac contactor control connection has the circulating pump.
Preferably, in the solar hot water automatic control system based on the internet of things module, the internet of things module is used for receiving a wireless signal and controlling the working state of the circulating pump, and the internet of things module includes a cross-matrix M1 module and a cross-matrix M3 module.
Preferably, in the solar hot water automatic control system based on the internet of things module, the detection module includes a temperature difference controller, a liquid level sensor and a low-temperature protection switch.
Preferably, in the solar hot water automatic control system based on the internet of things module, the temperature difference controller is connected with the internet of things module, and the temperature difference controller is used for detecting the temperature difference of the water inlet and the water outlet between the solar heat collection plate and the transfer water tank and between the transfer water tank and the main water tank.
Preferably, in the solar hot water automatic control system based on the internet of things module, the liquid level sensor is used for detecting the height of the water level in the water tank and alarming the low liquid level.
Preferably, in the solar hot water automatic control system based on the internet of things module, the low-temperature protection switch is used for detecting an outdoor temperature difference and transmitting a signal to the internet of things module to trigger the circulating pump to circularly operate.
Preferably, in the solar hot water automatic control system based on the internet of things module, the mobile phone app comprises a display unit and a control unit, the display unit is used for displaying real-time temperature and real-time temperature difference, and the control unit is used for setting a numerical value of opening and closing the temperature difference and controlling the opening and closing of the intermediate relay.
The invention has the beneficial effects that:
(1) contain the battle array M1 module and battle array M3 module with the thing networking module as control core, the cooperation detection module uses, detection module is as the input signal of thing networking module, can the state of real time control motor through with the inter-module linkage of thing networking and can carry out remote monitoring and control at the cell-phone end, avoid having the temperature measurement error that the overlength circuit caused and the circulating pump that leads to starts untimely, and heat utilization has been improved well.
(2) And temperature control, combined with joint control of a temperature difference controller, detects the temperature difference of water inlets and water outlets between the solar heat collecting plate and the transfer water tank and between the transfer water tank and the main body water tank, and accurately and timely acquires real-time temperature difference. The temperature difference of the water inlet and the water outlet between the solar heat collecting plate and the transfer heat collecting water tank and between the transfer water tank and the main body heat collecting water tank is detected, and the real-time temperature difference is accurately and timely obtained. The water in the water tank is kept at a constant water temperature, and enough hot water is ensured to be used when the water tank is used.
(3) And liquid level monitoring, namely detecting the water level in the water tank through a liquid level sensor, setting the water level at an alarm prompt, adding water when detecting a low water level, and stopping when exceeding a set high water level.
(4) Low temperature protection avoids freezing the thermal-collecting tube when outdoor temperature is lower, and when the temperature exceeded certain setting value, through signal transmission for thing networking module trigger circulating pump circulation, the operation of control circulating pump promotes hydrologic cycle, prevents to be frozen, increases the stability of system circulation, prolongs the life of solar energy.
(5) Real time monitoring is connected through radio communication and cell-phone app, shows real-time temperature and real-time difference in temperature, sets for the numerical value that starts the difference in temperature and close the difference in temperature, and automatic manual switching can control opening of arbitrary relay under the manual mode and stop.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a system block diagram of a solar water heating system according to the present invention.
Fig. 2 is a system block diagram of the solar hot water automatic control system of the invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a solar collector panel; 2. a low temperature protection switch; 3. a main body heat collecting water tank; 4. high water sites; 5. a transfer heat collection water tank; 6. a low water point; 7. an Internet of things module; 8. a detection module; 9. mobile phone app; 10. an intermediate relay; 11. an AC contactor; 12. a circulation pump; 13. a temperature difference controller; 14. a liquid level sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is a solar hot water automatic control system based on an internet of things module, which comprises the internet of things module 7, the internet of things module 7 is used for receiving wireless signals and controlling the working state of a circulating pump 12, the internet of things module 7 comprises a trans-array M1 module and a trans-array M3 module, the internet of things module 7 is connected with a detection module 8, the detection module 8 comprises a temperature difference controller 13, a liquid level sensor 14 and a low-temperature protection switch 2, the temperature difference controller 13 is connected with the internet of things module 7, the temperature difference controller 13 is used for detecting the temperature difference of a solar heat collection plate and a transit water tank and the temperature difference of an inlet and an outlet between the transit water tank and a main body water tank, the liquid level sensor 14 is used for detecting the water level in the water tank and alarming at low level, the low-temperature protection switch 2 is used for detecting the outdoor temperature difference and transmitting signals to the internet of, signal connection has cell-phone app9 on thing networking module 7, cell-phone app9 includes display element and the control unit, the display element is used for showing real-time temperature and real-time difference in temperature, the control unit is used for setting for numerical value and the control of opening and close the difference in temperature intermediate relay 10 opens and stops, be connected with intermediate relay 10 on thing networking module 7, intermediate relay 10 output is connected with ac contactor 11, ac contactor 11 control connection has circulating pump 12.
Referring to fig. 1, a solar heat collecting plate 1 and a relay heat collecting water tank 5 exchange heat according to a temperature difference to collect heat for one time; the main heat collecting water tank 3 carries out heat exchange according to the temperature difference, completes secondary collection and can be used for heating. The water inlet is the water heated and refluxed by the solar heat collecting plate 1, the temperature is higher, the water outlet is the water at the bottom of the heat collecting water tank, the temperature is lower, and the temperature difference between the two positions is the largest, so that the two positions are respectively selected as temperature difference detection points. The secondary collection circulation function is to complete the transfer of the heat collection water tank to the indoor water tank, and the middle positions of the two water tanks are respectively selected as temperature difference detection points. The primary collection is a transition part of heat exchange of the main heat collecting water tank 3, the main heat collecting water tank 3 is a transfer end point of system heat and can be used as a heating water tank, the source of water in the main heat collecting water tank 3 is artificially controlled, and the circulating pump 12 is a power source for water supplement of the system heat exchange and transfer heat collecting water tank 5. The system is provided with a high water level 4 and a low water level 6 of the water tank, and water circulation is regulated and controlled and alarm is given according to water level detection.
Referring to fig. 2, the mobile phone app9 is connected to the internet of things module 7, and the internet of things module 7 receives the temperature difference signal, the liquid level signal and the low temperature protection signal from the system, and meets the condition of driving the circulating pump 12, and then the internet of things module 7 drives the intermediate relay 10 to suck; then, the coil of the ac contactor 11 is energized, and the main contact is closed, thereby completing driving of the circulation pump 12; circulating pump 12 will promote to carry out the heat exchange between solar panel 1 and the heat collection water tank, and solar panel 1 and heat collection water tank feed back thing networking module 7 through sensor and switch, and the feedback state can be presented on cell-phone app 9.
The invention has reasonable design and the specific beneficial effects are as follows:
(1) contain the battle array M1 module and battle array M3 module with thing networking module 7 as control core, cooperation detection module 8 uses, detection module 8 is as thing networking module 7's input signal, can the state of real time control motor and can carry out remote monitoring and control at the cell-phone end through the linkage with thing networking module 7 within a definite time, avoid having the temperature measurement error that the overlength circuit caused and the circulating pump 12 that leads to starts untimely, heat utilization has been improved well.
(2) And temperature control is combined with joint control of a temperature difference controller 13, so that the temperature difference of the inlet and outlet water ports between the solar heat collecting plate 1 and the transfer water tank and between the transfer water tank and the main body water tank is detected, and the real-time temperature difference is accurately and timely obtained. The temperature difference of the water inlet and the water outlet between the solar heat collecting plate 1 and the transfer heat collecting water tank 5 and between the transfer water tank and the main body heat collecting water tank 3 is detected, and the real-time temperature difference is accurately and timely obtained. The water in the water tank is kept at a constant water temperature, and enough hot water is ensured to be used when the water tank is used.
(3) And (3) monitoring the liquid level, namely detecting the water level in the water tank through a liquid level sensor 14, setting the water level at an alarm prompt, adding water when detecting a low water level, and stopping when exceeding a set high water level.
(4) Low temperature protection avoids freezing the thermal-collecting tube when outdoor temperature is lower, and when the temperature exceeded certain setting value, through signal transmission for thing networking module 7 triggered circulating pump 12 circulation operation, the operation of control circulating pump 12 promotes hydrologic cycle, prevents to be frozen, increases system circulation's stability, extension solar energy's life.
(5) Real time monitoring is connected with cell-phone app9 through radio communication, shows real-time temperature and real-time difference in temperature, sets for the numerical value that starts the difference in temperature and close the difference in temperature, and automatic manual switching can control opening of arbitrary relay under the manual mode and stop.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides a solar hot water automatic control system based on thing networking module which characterized in that: including thing networking module (7), be connected with detection module (8) on thing networking module (7), signal connection has cell-phone app (9) on thing networking module (7), be connected with auxiliary relay (10) on thing networking module (7), auxiliary relay (10) output is connected with ac contactor (11), ac contactor (11) control connection has circulating pump (12).
2. The solar hot water automatic control system based on the internet of things module as claimed in claim 1, wherein: the Internet of things module (7) is used for receiving wireless signals and controlling the working state of the circulating pump (12), and the Internet of things module (7) comprises a cross array M1 module and a cross array M3 module.
3. The solar hot water automatic control system based on the internet of things module as claimed in claim 1, wherein: the detection module (8) comprises a temperature difference controller (13), a liquid level sensor (14) and a low-temperature protection switch (2).
4. The solar hot water automatic control system based on the internet of things module as claimed in claim 1, wherein: temperature difference controller (13) with thing networking module (7) are connected, temperature difference controller (13) are used for detecting the temperature difference of the mouth of a river of going in and out between solar panel and transfer water tank and main part water tank.
5. The solar hot water automatic control system based on the internet of things module as claimed in claim 1, wherein: the liquid level sensor (14) is used for detecting the height of the water level in the water tank and giving an alarm for the low liquid level.
6. The solar hot water automatic control system based on the internet of things module as claimed in claim 1, wherein: the low-temperature protection switch (2) is used for detecting outdoor temperature difference and transmitting the outdoor temperature difference to the Internet of things module (7) through signals to trigger the circulating pump (12) to operate circularly.
7. The solar hot water automatic control system based on the internet of things module as claimed in claim 1, wherein: the mobile phone app comprises a display unit and a control unit, wherein the display unit is used for displaying real-time temperature and real-time temperature difference, and the control unit is used for setting the numerical value of opening and closing the temperature difference and controlling the opening and closing of the intermediate relay (10).
CN202010149809.6A 2020-03-06 2020-03-06 Solar hot water automatic control system based on Internet of things module Pending CN111336696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010149809.6A CN111336696A (en) 2020-03-06 2020-03-06 Solar hot water automatic control system based on Internet of things module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010149809.6A CN111336696A (en) 2020-03-06 2020-03-06 Solar hot water automatic control system based on Internet of things module

Publications (1)

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CN111336696A true CN111336696A (en) 2020-06-26

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101058908B1 (en) * 2008-09-12 2011-08-23 김시환 Solar cooling and heating system
CN105004067A (en) * 2015-07-23 2015-10-28 福建省第五建筑工程公司 Heating system making use of both solar energy and air source
CN205807901U (en) * 2016-07-14 2016-12-14 河南水木环保科技股份有限公司 A kind of solar-heating heat of compression press system
CN106288423A (en) * 2016-07-22 2017-01-04 江苏富源智慧能源股份有限公司 A kind of solar heat pump water system based on Internet of Things energy optimal control
CN108204687A (en) * 2017-12-29 2018-06-26 福建师范大学 A kind of solar heating engineering control system and its control method
CN207815742U (en) * 2017-12-15 2018-09-04 福建师范大学 Solar heating engineering control system
TW201901100A (en) * 2016-05-12 2019-01-01 日商庇護日本股份有限公司 Floor air conditioning system which has low energy cost and simple structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101058908B1 (en) * 2008-09-12 2011-08-23 김시환 Solar cooling and heating system
CN105004067A (en) * 2015-07-23 2015-10-28 福建省第五建筑工程公司 Heating system making use of both solar energy and air source
TW201901100A (en) * 2016-05-12 2019-01-01 日商庇護日本股份有限公司 Floor air conditioning system which has low energy cost and simple structure
CN205807901U (en) * 2016-07-14 2016-12-14 河南水木环保科技股份有限公司 A kind of solar-heating heat of compression press system
CN106288423A (en) * 2016-07-22 2017-01-04 江苏富源智慧能源股份有限公司 A kind of solar heat pump water system based on Internet of Things energy optimal control
CN207815742U (en) * 2017-12-15 2018-09-04 福建师范大学 Solar heating engineering control system
CN108204687A (en) * 2017-12-29 2018-06-26 福建师范大学 A kind of solar heating engineering control system and its control method

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Application publication date: 20200626