CN107420962A - Family photovoltaic electric heat-storage heating new method - Google Patents
Family photovoltaic electric heat-storage heating new method Download PDFInfo
- Publication number
- CN107420962A CN107420962A CN201610346236.XA CN201610346236A CN107420962A CN 107420962 A CN107420962 A CN 107420962A CN 201610346236 A CN201610346236 A CN 201610346236A CN 107420962 A CN107420962 A CN 107420962A
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- Prior art keywords
- heat
- electric heater
- heating
- storage
- storage electric
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- 238000005338 heat storage Methods 0.000 title claims abstract description 49
- 238000010438 heat treatment Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007600 charging Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 2
- 239000000463 material Substances 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 6
- 238000010248 power generation Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
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
- F24D13/00—Electric heating systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- 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
-
- 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
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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)
- Power Engineering (AREA)
- Central Heating Systems (AREA)
Abstract
A kind of photovoltaic generation directly realizes the novel technical method of heat-storage heating to heat-storage electric heater power supply, it is characterized in that photovoltaic application miniaturization, distributed implementation disperse the small-sized independent heating in family, it is divided into two kinds of mode of operations of AC and DC, the scattered farm house winter heating for being particularly suitable for the vast northern country area in China uses.
Description
Technical field
Patent of the present invention refers to the novel technical method that a kind of photovoltaic generation directly realizes small-sized scattered family heating to heat-storage electric heater power supply, and the scattered farm house winter heating for being particularly suitable for the vast northern country area in China uses.
This patent provides the novel technical method that winter heating is realized in a kind of vast northern country area in China using regenerative resource, dissipates burning coal to solve the current winter heating in rural areas in our country（Administer the northern area of China winter haze）Problem provides a new approaches.
Background technology
China city at present, mainly use coal-burning boiler central heating, and a small amount of underground heat, combustion gas and electric heating；In rural area, then the peasant household that can only leave, which dissipates, burns coal（Or stalk, timber etc.）Realize heating.In northern China rural area, winter heating energy input will typically account for peasant household total energy consumption more than 50%, even up to 70%~80%.
Solar energy is world today's cleaning new energy most with prospects, and more than the 50% of mankind's energy source use source will be accounted for the middle of this century.The vast northern area in China, sunshine condition is generally preferable, has abundant solar energy resources.
This patent is based on as above real, and distributed photovoltaic power generation is occupied into a kind of novel technical method that heating energy consumption demand is combined with scattered agriculture.
The content of the invention
This patent is that a kind of low profile photovoltaic TRT is directly powered to heat-storage electric heater, realizes the novel technical method of heat-storage heating, is divided into two kinds of mode of operations of AC and DC.Its feature difference is as follows：
1st, AC mode, theory structure block diagram are shown in Fig. 1.
1）One small photovoltaic power generation system is formed by photovoltaic module matrix, inverter controller（Scale is typically between the KWp of 3KWp~20）, photovoltaic module matrix VD should with inverter controller DC input voitage requirement match, ceiling voltage 1000VDC；Inverter controller ac output voltage should match with the requirement of heat-storage electric heater supply voltage, be（It is single-phase）220VAC or 380VDC（Three-phase）.
2）Heat-storage electric heater is as 220VAC（It is single-phase）And 380VDC（Three-phase）AC electric equipment be connected with above-mentioned small-sized independent photovoltaic generating system use, realize accumulation of heat and heating function.
3）One family photovoltaic electric heat-storage heating system, should be by a photovoltaic generating system and at least a heat-storage electric heater forms.
4）Heat-storage electric heater can be realized photovoltaic electric power（Generating on daytime 6-8 hours）It is changed into heat and is used for heat release heating, while unnecessary photovoltaic electric power can be changed into heat storage in the device, the heat release heating of more than 18 hours is realized in the case of without electricity.
5）Heat-storage electric heater should possess overheat protective function, its rated power and using number of units, should by small photovoltaic power generation system scale, realize that the factors such as heating area, environmental condition, heating temperature determine.
6）Heat-storage electric heater can also be used other ac power supply methods to work.
2nd, DC mode, theory structure block diagram are shown in Fig. 2.
1）A small-sized independent photovoltaic generating system is formed by photovoltaic module matrix, charging-discharging controller, batteries（Scale is typically between the KWp of 3KWp~20）, photovoltaic module matrix VD should meet charge controller DC input voitage requirement（It is recommended that selection direct current safe voltage highest 70VDC）；
2）Charging-discharging controller should possess to heat-storage electric heater power supply simultaneously, and the control of unnecessary photovoltaic electric power is stored in batteries, when heat-storage electric heater temperature needs less than heating heat release, heat-storage electric heater is powered by charge controller starting storage battery and heated.
3）Heat-storage electric heater is powered as direct-flow electricity utilization apparatus by above-mentioned small-sized independent photovoltaic generating system, realizes heat-storage heating function.
4）One family photovoltaic electric heat-storage heating system, should be by a photovoltaic generating system and at least a heat-storage electric heater forms.
5）Heat-storage electric heater can be by photovoltaic electric power（Generating on daytime 6-8 hours）While being transformed into heat and realize heat release heating, unnecessary photovoltaic electric power can be also transformed into heat storage in the device, the heat release heating of more than 18 hours is realized under without photovoltaic power generation situation.
6）Heat-storage electric heater should possess overheat protective function, its rated power and using number of units, should by small photovoltaic power generation system scale, realize that the factors such as heating area, environmental condition, heating temperature determine.
3rd, heat-storage electric heater, composition structured flowchart are shown in Fig. 3.
1）Heat-storage electric heater, by heat-storing material, electric heater unit, external thermal insulation, control device, air-supply arrangement, housing etc. six be most of and related line and accessory are formed；
2）Heat-storing material, it is the great high density material of thermal capacity, high density ceramic magnesia iron material etc.；
3）Electric heater unit, the electric heating tube, stainless steel, nichrome etc. of resistance to 1000 DEG C of high temperature above；
4）External thermal insulation, possesses the material of high-efficiency insulated heat-proof quality；
5）The control unit of the operating function such as control device, according to detection temperature, implementation is powered, heating, air-supply；
6）Air-supply arrangement, fan；
7）Housing, unit protection housing.
Brief description of the drawings
Fig. 1 families photovoltaic electric heat-storage heating (AC mode) structured flowchart.
Fig. 2 families photovoltaic electric heat-storage heating (DC mode) structured flowchart.
Fig. 3 heat-storage electric heater structured flowcharts.
Embodiment
1st, 1 pair of AC mode of the invention is further described below in conjunction with the accompanying drawings.Workflow of the present invention performs according to the following steps：
Step 1: the photovoltaic module matrix direct current output less than 1000VDC, accesses inverter controller input terminal；
Step 2: realize that DC/AC is transformed into 220VAC in inverter controller（It is single-phase）Or 380VAC（Three-phase）Export and powered to heat-storage electric heater；
Step 3: by electric heater unit heat storage material inside heat-storage electric heater, temperature reaches what is be previously set（According to heat-storing material and electric heater unit security situation, for example, high density ceramic magnesia iron material can long-term work at 700~750 DEG C or so）After higher limit, stop electrical heating；Vice versa, when internal heat-storing material is less than a certain design temperature, starts electric heater unit work, between the rational control hysteresis area of setting one；
Step 4: when indoor temperature is less than the requirement of a certain heating temperature（Such as 15 DEG C）, can manually or automatically control the heating work of heat-storage electric heater（Submitting is less than 100 DEG C of safe warm winds）；Its internal heat-storing material institute heat-retaining capacity can support the heating heat release of its work more than 18 hours to work（Send out warm wind and be consistently higher than surrounding environment more than 10 DEG C）；Vice versa, when indoor temperature is higher than a certain design temperature, can manually or automatically control and stop heat-storage electric heater heating heat release work, between the rational control hysteresis area of setting one；
Step 5: temperature is required when indoor temperature is less than a certain heating, while heat-storage electric heater, due to internal accumulation of energy deficiency, when can not send out heating warm wind, the system can be manually or automatically switched to using power distribution network powering mode.
2nd, 2 pairs of DC modes of the invention are further described below in conjunction with the accompanying drawings.Workflow of the present invention performs according to the following steps：
Step 1: the photovoltaic module matrix direct current output less than 70VDC, the input terminal of charge controller is accessed；
Step 2: complete to realize heat-storage electric heater the electrical heating of 60VDC direct currents and remaining photovoltaic electric power to 60VDC battery chargings from charging-discharging controller control；
Step 3: being heated by electric heater unit inside heat-storage electric heater for heat-storing material, temperature reaches what is be previously set（According to heat-storing material and electric heater unit security situation, for example, high density ceramic magnesia iron material can long-term work at 700~750 DEG C or so）After higher limit, stop electrical heating；Vice versa, when internal heat-storing material is less than a certain design temperature, starts electric heater unit work, between the rational control hysteresis area of setting one；
Step 4: when indoor temperature requires temperature less than a certain heating（Such as 15 DEG C）, can manually or automatically control the heating work of heat-storage electric heater（Submitting is less than 100 DEG C of safe warm winds）；Its internal heat-storing material institute heat-retaining capacity can support the heating heat release of its work more than 18 hours to work（Send out warm wind and be consistently higher than surrounding environment more than 10 DEG C）；Vice versa, when indoor temperature is higher than a certain design temperature, can manually or automatically control and stop heat-storage electric heater heating heat release work, between the rational control hysteresis area of setting one；
Step 5: when heat-storage electric heater is less than setting operating temperature by internal temperature, charging-discharging controller can manually or automatically be switched to batteries power supply heating mode, so that heating function continues.
Step 6: batteries are designed with charge and discharge protecting voltage, when higher or lower than corresponding protection voltage setting value, batteries stop charge/discharge operation.
Claims (7)
1. a kind of photovoltaic generation directly realizes the novel technical method of heat-storage heating to heat-storage electric heater power supply.
2. according to claim 1, it is divided into two kinds of mode of operations of AC and DC.
3. according to claim 2, AC mode system of the present invention is made up of photovoltaic module matrix, inverter controller and heat-storage electric heater.
4. according to claim 3, heat-storage electric heater is as 220VAC（It is single-phase）And 380VDC（Three-phase）AC electric equipment, accumulation of heat can be achieved and meet the heating air blowing function of 18 hours.
5. according to claim 2, DC mode system of the present invention is made up of photovoltaic module matrix, charging-discharging controller, batteries and heat-storage electric heater.
6. according to claim 5, charging-discharging controller possesses function of the control photovoltaic electric power to heat-storage electric heater power supply or to battery charging, and controls batteries to heat-storage electric heater power supply heating function.
7. according to claim 5, the heating air blowing function that accumulation of heat meets 18 hours can be achieved as direct-flow electricity utilization apparatus in heat-storage electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346236.XA CN107420962A (en) | 2016-05-24 | 2016-05-24 | Family photovoltaic electric heat-storage heating new method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346236.XA CN107420962A (en) | 2016-05-24 | 2016-05-24 | Family photovoltaic electric heat-storage heating new method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107420962A true CN107420962A (en) | 2017-12-01 |
Family
ID=60422349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610346236.XA Pending CN107420962A (en) | 2016-05-24 | 2016-05-24 | Family photovoltaic electric heat-storage heating new method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107420962A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728624A (en) * | 2021-01-27 | 2021-04-30 | 河北秦暖新能源科技有限公司 | Photovoltaic phase-change energy-gathering electric heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121531U (en) * | 2011-07-16 | 2012-01-18 | 武夷山市鑫泰光电有限公司 | Solar energy photovoltaic power supply system |
| CN104807062A (en) * | 2015-04-27 | 2015-07-29 | 江苏昂彼特堡散热器有限公司 | Regenerative electric heater directly applying solar photovoltaic heating mode |
| CN204923184U (en) * | 2015-08-05 | 2015-12-30 | 上海热丽科技集团有限公司 | Photovoltaic directly drives electric heating system |
-
2016
- 2016-05-24 CN CN201610346236.XA patent/CN107420962A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121531U (en) * | 2011-07-16 | 2012-01-18 | 武夷山市鑫泰光电有限公司 | Solar energy photovoltaic power supply system |
| CN104807062A (en) * | 2015-04-27 | 2015-07-29 | 江苏昂彼特堡散热器有限公司 | Regenerative electric heater directly applying solar photovoltaic heating mode |
| CN204923184U (en) * | 2015-08-05 | 2015-12-30 | 上海热丽科技集团有限公司 | Photovoltaic directly drives electric heating system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728624A (en) * | 2021-01-27 | 2021-04-30 | 河北秦暖新能源科技有限公司 | Photovoltaic phase-change energy-gathering electric heater |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171201 |
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| WD01 | Invention patent application deemed withdrawn after publication |