CN106440021A - Control method of photovoltaic electric heat-storage heating system - Google Patents
Control method of photovoltaic electric heat-storage heating system Download PDFInfo
- Publication number
- CN106440021A CN106440021A CN201611043508.5A CN201611043508A CN106440021A CN 106440021 A CN106440021 A CN 106440021A CN 201611043508 A CN201611043508 A CN 201611043508A CN 106440021 A CN106440021 A CN 106440021A
- Authority
- CN
- China
- Prior art keywords
- heat
- storage
- heating
- electric
- electric heater
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
-
- 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
- F24D13/00—Electric heating systems
-
- 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
- F24D2200/02—Photovoltaic energy
-
- 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
- F24D2200/08—Electric heater
-
- 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Heating Systems (AREA)
Abstract
The invention relates to a control method for achieving the condition of preferentially using photovoltaic power of the system and then using grid off-peak electricity or grid power for supplying electricity to a thermal energy storage electric heater in a photovoltaic electric heat-storage heating system. The method is characterized in that the temperature control threshold value of the control system preferentially using the photovoltaic power of the control system for supplying the electricity for heating the thermal energy storage electric heater is the highest threshold value (indoor temperature is Ts 24 DEG C or internal temperature of the heater is Tn75 DEG C), the temperature control threshold value of the control system controlling the grid off-peak electricity (Beijing 21:00-6:00) for supplying electricity is the secondary threshold value (Ts 18 DEG C or Tn 500 DEG C), and the temperature control threshold value of the control system directly using the grid power for supplying the electricity is the lowest threshold value (Ts 16 DEG C or Tn 200 DEG C).
Description
Technical field
Patent of the present invention refers to one kind in photovoltaic electric heat-storage heating system device, makes system and device realize preferentially making
The control method powered to heat-storage electric heater with photovoltaic electric power.
Photovoltaic electric heat-storage heating system device, is realized System Priority and is powered using photovoltaic electric power, next uses electric-net valley-electricity
Power supply, and can the use of grid power be directly heat-storage electric heater heating in extreme circumstances, it is particularly suitable for China wide
The clean energy resource heating in big northern country area dispersion farm house winter, burns coal for administering northern China rural area winter heating and dissipating
Problem provides new approaches and new method.
Background technology
Northern China city winter heating mainly adopts coal-burning boiler central heating at present, but divides in vast rural area
Scattered farm house must not carry out heating not against scattered burning coal (or straw, timber etc.).In general, northern China rural area winter
Heating energy consumption amount account for peasant household total energy consumption more than 50%, even as high as 70%～80%.
Solar energy is the cleaning new energy most with prospects that the world today generally acknowledges, will account for the mankind total in this century
More than the 25% of the energy.The vast northern area of China, sunshine condition is generally preferable, has and greatly develops the wide of Solar use
Prospect.
This patent is that photovoltaic electric heat-storage heating system preferentially carries out electric heat-storage heating using distributed photovoltaic on-site elimination
Core control method, is verified in the photovoltaic electric heat-storage heating system device experiment that Inner Mongol Hinggan League is carried out.
Content of the invention
This patent is to provide a kind of preferential use photovoltaic electric power to power to heat-storage electric heater to realize the controlling party of heat-storage heating
Method.Photovoltaic electric heat-storage heating system is made up of photovoltaic module matrix, combining inverter, controller, contactor, heat-storage electric heater
(accompanying drawing 1), controller is core control equipment or the part of this system and device.
Controller employed technical scheme comprise that：Controller input circuit is by indoor temperature detection signal Ts or heat-storage electric heater
Internal temperature detection signal Tn is converted into corresponding digital signals, is core by the computer disposal chip such as single-chip microcomputer or CPLD, DSP
The control main circuit of part, man-machine interface, power supply, output driving 1 (control circuit switchs K1 break-make) and output driving 2 (control
Contactor K2 break-make), and the composition such as respective electronic components and parts (accompanying drawing 2).
Technical points are：Controller presses following itself photovoltaic electric power of principle control system and grid power to hot stored electric
Warmer is powered：
On daytime, preferentially powered using system itself photovoltaic electric power；
Night, the paddy electricity period (such as：Beijing is 21：00～6：00) powered by electric-net valley-electricity；
No matter daytime or night, when indoor heating temperature Ts is less than certain temperature control settings limiting threshold value (16 DEG C),
Or when inside heat-storage electric heater, regenerator temperature Tn is less than certain temperature control settings limiting threshold value (200 DEG C), controller will control
The K2 of contactor connects access grid power and powers to heat-storage electric heater.
Heat-storage electric heater has electrical heating accumulation of heat heating function, when internal regenerator temperature Tn reaches 750 DEG C, can achieve that 15 is little
When above heating function.
Brief description
Fig. 1. photovoltaic electric heat-storage heating system device composition frame chart
Fig. 2. photovoltaic electric heat-storage heating system Setup Controller structured flowchart
Fig. 3. photovoltaic electric heat-storage heating system power supply control flow chart
Specific embodiment
Table 1 is photovoltaic electric heat-storage heating system device constitutes example in the assay device specification of Inner Mongol Hinggan League, when making
During for more cold inclined northern territory, also increase photovoltaic module matrix, inverter and electric accumulation of heat warmer scale with suitable.
Table 1. photovoltaic heating plant (is used for：80m2/ family, heating area 20m2 × 2).
Photovoltaic electric heat-storage heating system device realizes the preferential control flow using photovoltaic electric power heating：
Step one：Photovoltaic module matrix once generates electricity, as long as：1. indoor temperature Ts is less than certain set temperature value (such as
24 DEG C), or when 2. electric accumulation of heat warmer internal temperature Tn is less than upscale protection value (750 DEG C), controller controling circuit switch K1 connects
Logical, make combining inverter supply electrical heating to heat-storage electric heater；Otherwise, contactor K1 remains open, including photovoltaic module matrix
When not generating electricity.
Step 2：During system and device carries out above-mentioned steps one, when：1. indoor temperature Ts is higher than that certain sets the upper limit
Value (24 DEG C), or when 2. heat-storage electric heater internal temperature Tn is higher than upscale protection value (750 DEG C), controller controls connection grid-connected inverse
The contactor K1 becoming device with heat-storage electric heater disconnects, and photovoltaic electric power no longer supplies electrical heating to heat-storage electric heater.
Step 3：The paddy electricity period 21：00～6：00, photovoltaic module matrix does not generate electricity, when：1. indoor temperature Ts is less than certain
Individual temperature control settings limiting threshold value (18 DEG C), or 2. heat-storage electric heater internal temperature Tn is less than certain temperature control settings limit
During threshold value (500 DEG C), controller controling circuit switch K2 connects grid power and supplies electrical heating to heat-storage electric heater；
Step 4：Any time, or when not implementing peak valley flat power supply difference, when：1. indoor temperature Ts is less than certain and sets
Limiting temperature controls threshold value (16 DEG C), or 2. heat-storage electric heater internal temperature Tn is less than certain extreme lower limit temperature control threshold value
When (200 DEG C), controller controling circuit switch K2 connects grid power and supplies electrical heating to heat-storage electric heater.
Step 5：When system and device is powered to heat-storage electric heater and added according to above-mentioned steps three and step 4 connection grid power
During heating, once occurring：1. indoor temperature Ts is higher than certain set temperature value (20 DEG C), or 2. inside heat-storage electric heater
When temperature Tn is higher than higher limit (550 DEG C), controller controling circuit switch K2 disconnects, and grid power stops supplying to heat-storage electric heater
Electrical heating.
Photovoltaic electric heat-storage heating system power supply control flow chart is shown in accompanying drawing 3.
Claims (3)
1. a kind of control method of photovoltaic electric heat-storage heating system, is characterized in that：Preferentially use system itself photovoltaic electric power to storage
Acting electric heating device supplies electric heating；Secondly supply electric heating using electric-net valley-electricity to heat-storage electric heater；It is less than a certain limit in heating temperature
During setting value, will be directly using grid power heating.
2. control method according to claim 1, is characterized in that：Disconnect the temperature control parameter numerical value that photovoltaic electric power is powered
Highest (Ts24 DEG C, Tn750 DEG C)；Secondly, do not use electric-net valley-electricity (Beijing 21：00～6：00) power supply heat storage electric heater
Temperature control threshold second highest (Ts18 DEG C, Tn500 DEG C)；Powered using grid power the temperature control threshold of heat storage electric heater
Minimum (Ts16 DEG C, Tn200 DEG C).
3. control method according to claim 1, is characterized in that：When not implementing the timesharing of peak valley flat service area, when interior is adopted
Warm temperature Ts is less than certain limit given threshold (16 DEG C) or the internal regenerator temperature Tn of heat-storage electric heater is less than certain limit and sets
During threshold value (200 DEG C), power controlling grid power to heat-storage electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611043508.5A CN106440021A (en) | 2016-11-24 | 2016-11-24 | Control method of photovoltaic electric heat-storage heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611043508.5A CN106440021A (en) | 2016-11-24 | 2016-11-24 | Control method of photovoltaic electric heat-storage heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106440021A true CN106440021A (en) | 2017-02-22 |
Family
ID=58218313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611043508.5A Withdrawn CN106440021A (en) | 2016-11-24 | 2016-11-24 | Control method of photovoltaic electric heat-storage heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106440021A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765466A (en) * | 2017-03-22 | 2017-05-31 | 中城科新能源科技（北京）有限公司 | A kind of family photovoltaic electric heating apparatus |
| CN107990398A (en) * | 2017-12-28 | 2018-05-04 | 华北电力大学 | A kind of the e lectric-store heating to supply heat system based on heat supply network, power network and Internet of Things |
| CN111981559A (en) * | 2020-08-21 | 2020-11-24 | 新疆中兴能源有限公司 | Wind-solar complementary power generation heat accumulation type electric heating system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201621770U (en) * | 2009-12-29 | 2010-11-03 | 汪沛 | Electricity storage type electric radiator device |
| CN102012059A (en) * | 2010-11-05 | 2011-04-13 | 沈阳农业大学 | Solar photovoltaic cell heat storing and supplying system based on northern rural residence distribution |
| US20140076305A1 (en) * | 2011-02-08 | 2014-03-20 | Trathom Corporation | Solar thermal energy capture system with overheating protection and cold temperature bypass |
| CN104864449A (en) * | 2015-06-11 | 2015-08-26 | 宋世海 | Hot water heating device having solar energy and off-peak electricity heating energy storage function |
| CN104896564A (en) * | 2015-06-15 | 2015-09-09 | 王辉 | Multi-energy combined supply heating system |
-
2016
- 2016-11-24 CN CN201611043508.5A patent/CN106440021A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201621770U (en) * | 2009-12-29 | 2010-11-03 | 汪沛 | Electricity storage type electric radiator device |
| CN102012059A (en) * | 2010-11-05 | 2011-04-13 | 沈阳农业大学 | Solar photovoltaic cell heat storing and supplying system based on northern rural residence distribution |
| US20140076305A1 (en) * | 2011-02-08 | 2014-03-20 | Trathom Corporation | Solar thermal energy capture system with overheating protection and cold temperature bypass |
| CN104864449A (en) * | 2015-06-11 | 2015-08-26 | 宋世海 | Hot water heating device having solar energy and off-peak electricity heating energy storage function |
| CN104896564A (en) * | 2015-06-15 | 2015-09-09 | 王辉 | Multi-energy combined supply heating system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765466A (en) * | 2017-03-22 | 2017-05-31 | 中城科新能源科技（北京）有限公司 | A kind of family photovoltaic electric heating apparatus |
| CN107990398A (en) * | 2017-12-28 | 2018-05-04 | 华北电力大学 | A kind of the e lectric-store heating to supply heat system based on heat supply network, power network and Internet of Things |
| CN111981559A (en) * | 2020-08-21 | 2020-11-24 | 新疆中兴能源有限公司 | Wind-solar complementary power generation heat accumulation type electric heating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106403009A (en) | Photovoltaic electric thermal storage type heating system device | |
| CN106440021A (en) | Control method of photovoltaic electric heat-storage heating system | |
| CN204103861U (en) | A kind of solar photoelectric light-heat comprehensive utilization assembly | |
| CN205561291U (en) | Solar energy power generation - hot water integration system | |
| CN205783877U (en) | A kind of solar electrical energy generation heating system | |
| CN202457731U (en) | Automatic control solar electric heating carpet | |
| CN205119443U (en) | Light electric water heater with intelligent control function | |
| CN104184397B (en) | Photovoltaic, heat energy comprehensive generating system | |
| CN106382670A (en) | Controller of photovoltaic power heat storage heating system | |
| CN206905093U (en) | A kind of home-use solar energy energy-saving warm brick bed | |
| CN115388484A (en) | Photovoltaic direct-driven direct-drive direct-expansion type solar heat pump combined heat and power supply system and control method thereof | |
| CN106765466A (en) | A kind of family photovoltaic electric heating apparatus | |
| CN205860187U (en) | Composite solar Far infrared carbon fiber Intelligent electric-heating heating system | |
| CN208209861U (en) | The autonomous green energy resource autonomous system of building | |
| CN206131836U (en) | Heat energy cascade utilization system | |
| CN202419942U (en) | Power storage and supply device of solar water heater | |
| CN201787712U (en) | Domestic wind-energy electric water heater | |
| CN205641601U (en) | Photovoltaic light and heat integrated device | |
| CN201488090U (en) | Solar heating device | |
| CN205585225U (en) | Tea processing equipment based on solar energy power generation generates heat | |
| CN109724145A (en) | Solar energy heating system | |
| CN211739255U (en) | Novel heating power supply energy storage equipment based on arid area | |
| CN203301213U (en) | Power supply system of solar plant greenhouse | |
| CN202679274U (en) | Household solar and biogas energy utilization system | |
| CN201621768U (en) | Solar BIPV heating and lighting integrated control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170222 |