CN110274295A - Phase-change thermal storage type electric heater - Google Patents
Phase-change thermal storage type electric heater Download PDFInfo
- Publication number
- CN110274295A CN110274295A CN201810218503.4A CN201810218503A CN110274295A CN 110274295 A CN110274295 A CN 110274295A CN 201810218503 A CN201810218503 A CN 201810218503A CN 110274295 A CN110274295 A CN 110274295A
- Authority
- CN
- China
- Prior art keywords
- shell
- cabinet
- base
- electric heater
- heat
- 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
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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
- F24D11/00—Central heating systems using heat accumulated in storage masses
-
- 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
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
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- 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)
- Secondary Cells (AREA)
Abstract
The embodiment of the present invention provides a kind of phase-change thermal storage type electric heater, the shell of air outlet is offered including top, the intracorporal bottom of shell is provided with frame base, cabinet base is provided on frame base, it is provided with cabinet heat storage units on cabinet base, is vertically equipped with cavity fin in the upper end of cabinet heat storage units；Cavity fin includes multiple airtight cavities, and paraffin is filled in airtight cavity, and the two sides of cavity fin are provided with air duct, PTC heating component is provided in air duct；Box cover is fixed in cavity fin upper end；Exhaust vent is provided on box cover, exhaust vent is connected to air duct；It is additionally provided with electrothermal tube on cabinet base, battery unit and control unit are additionally provided on frame base；Battery unit is electrically connected with PTC heating component respectively, and control unit is utilized the sensible heat of phase-change material and basis material, has higher thermal storage density for controlling power supply of the battery unit to PTC heating component.
Description
Technical field
The present invention relates to heating equipment technical field more particularly to a kind of phase-change thermal storage type electric heaters.
Background technique
The energy is the important material base of human society survival and development, and it is light that act foot is played in promoting socio-economic development
The effect of weight.China has become the second largest production of energy and country of consumption in the world.In addition energy resource structure of the China based on coal
And inefficient using energy source, bring serious environmental pollution, especially atmosphere polluting problem.Therefore, the energy is greatly developed
Science and technology taps a new source of energy, and saves the existing energy, reduces energy consumption, improves energy utilization rate, is that must solve at this stage
Key subjects.
Thermal energy storage is the important branch in energy science and technology, during energy conversion and utilization, using energy storage
Technology can store electric energy, be one of the effective means for improving energy utilization rate.
Heat accumulating is basis and the core of thermal energy storage technology.By heat accumulation model split, heat accumulating is broadly divided into aobvious
Hot heat accumulating, latent heat heat accumulating, three kinds of chemical reaction heat storage material.Researching of sensible heat storage material utilizes material self-temperature
Variation is most simple in all heat accumulatings to achieve the purpose that heat accumulation, and is studied most mature.Latent heat heat accumulating is also referred to as
For phase-change heat-storage material, it is to be absorbed using material when states of matter occurs and changes or release the principle of a large amount of latent heat to be stored up
Heat, especially with the heat storage type electric heater that electric energy and heat accumulation combine, extra electric power can be turned in low power consumption
Thermal energy storage is changed into electric heater, the heat stored is subjected to release heating again when peak times of power consumption, not only reduces one
As electric heater operating cost, even more alleviate power grid peak-valley difference an effective technological approaches.And heat accumulation can be with charge and discharge warm
Interval uses, and can avoid the peak hour unlatching, greatly mitigates using electric power increase-volume needed for electric heating.But existing heat storage type electric heating
Device, the accumulation of heat brick constituted using high density magnesium iron, heating time is long, in order to store required for the considerable heat of stored number
The quality volume of thermal medium is all bigger, bulky so as to cause corresponding regenerative apparatus.In addition, heat storage medium storage and
The range of temperature for causing sensible heat accumulation of heat to output and input heat when discharging heat is big, and hot-fluid is also unstable.It is whole heavy
Mobile inconvenient, radiating rate is slower, and heating air thermal conversion efficiency is low, and power consumption is still higher.
Summary of the invention
The embodiment of the present invention provides a kind of phase-change thermal storage type electric heater, to solve current electric heater heat dissipation in the prior art
The bad problem of effect.
The embodiment of the present invention provides a kind of phase-change thermal storage type electric heater, and the shell of air outlet is offered including top, in institute
It states the intracorporal bottom of shell and is provided with frame base, cabinet base is provided on the frame base, on the cabinet base
Cabinet heat storage units are provided with, are vertically equipped with cavity fin in the upper end of the cabinet heat storage units；The cavity fin includes more
A airtight cavity fills paraffin in the airtight cavity, the two sides of the cavity fin is provided with air duct, in the air duct
Inside it is provided with PTC heating component；Box cover is fixed in cavity fin upper end；It is provided with out on the box cover
Air holes, the exhaust vent are connected to the air duct；It is additionally provided with electrothermal tube on the cabinet base, on the frame base
It is additionally provided with battery unit and control unit；The battery unit is electrically connected with PTC heating component respectively, and described control unit is used
In power supply of the control battery unit to PTC heating component.
Optionally, the intracorporal top of the shell is provided with deflector.
Optionally, the shell includes base housing, front-end case, rear end housing, closure head and air outlet shell, bottom
Seat shell body, front-end case, rear end housing, closure head and air outlet shell are interconnected to form the shell；The framework bottom
Seat is fixed on the base housing.
Optionally, the cabinet heat storage units include that the heat accumulation sphere made of high alumina clay casting and aluminium silicon magnesium are thermally conductive
Granule medium.
Phase-change thermal storage type electric heater provided in an embodiment of the present invention, by being filled in cabinet heat storage units and cavity fin
Heat-storage medium and phase change paraffin, after it is heated can after cutting off power supply a few hours still there is heat capacity, together
When in the area with peak-trough electricity price variance, can be using heating at night, the mode used daytime reduces heat cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the schematic diagram of internal structure of phase-change thermal storage type electric heater provided in an embodiment of the present invention；
Fig. 2 is the external structure schematic diagram of phase-change thermal storage type electric heater provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of cavity fin provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of internal structure of phase-change thermal storage type electric heater provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of phase-change thermal storage type electric heater provided in an embodiment of the present invention shown in Fig. 1-Fig. 4, including top offer out
The shell in air port is provided with frame base 6 in the intracorporal bottom of the shell, is provided with cabinet base on the frame base 6
7, cabinet heat storage units 8 are provided on the cabinet base 7, are vertically equipped with cavity fin in the upper end of the cabinet heat storage units
9；The cavity fin includes multiple airtight cavities 10, fills paraffin in the airtight cavity, the two of the cavity fin
Side is provided with air duct 11, and PTC heating component is provided in the air duct；Box cover is fixed in cavity fin upper end
12, enable to cavity fin structure to stablize；Exhaust vent, the exhaust vent and the air duct are provided on the box cover
Connection；It is additionally provided with electrothermal tube 13 on the cabinet base, battery unit 14 and control are additionally provided on the frame base
Unit 15 processed；The battery unit is electrically connected with PTC heating component respectively, and described control unit is for controlling the battery unit
Power supply to PTC heating component.
The intracorporal top of the shell is provided with deflector 16, it is good to be conducive to thermal control gas heat loss through convection effect.
In the present embodiment, explanation is further explained to shell, it, can be to shell in order to keep each device easy for installation
Body carry out connecting method design, in the present embodiment, the shell may include base housing 3, front-end case 2, rear end housing 5,
Closure head 1 and air outlet shell 4, base housing, front-end case, rear end housing, closure head are mutually interconnected with air outlet shell
It connects to form the shell, so that above-mentioned each device is arranged in shell, such as frame base can be fixed on the pedestal
On shell.
The cabinet heat storage units include that the heat accumulation sphere made of high alumina clay casting and aluminium silicon magnesium heat conduction particle are situated between
Matter.
The course of work of the invention: when power supply is connected, heating tube running is heated to 150 DEG C to heat accumulation sphere, simultaneously
Phase change paraffin is heated to 90 DEG C by the fever of PTC heating component, and then heating is played the role of in heat accumulation sphere and phase change paraffin heat release.
, when the temperature of heat accumulation ball, which is reduced to certain heat dissipation capacity, is not enough to keep room temperature, control unit is opened automatically after powering off intermittent heating
It opens storage pool unit and 90 DEG C of heat release heating, and cold air simultaneously is again heated to by phase change paraffin to the power supply of PTC heating component
It flows through and is heated to suitable temperature behind cavity fin air duct and is flowed out through deflector.
The technology of the present invention effect major embodiment is in the following areas: being situated between in cabinet heat storage units and cavity fin filled with heat accumulation
Matter and phase change paraffin, after being heated can after cutting off power supply a few hours still there is heat capacity, while with peak
The area of paddy electricity price variance, can be using heating at night, and the mode that uses daytime reduces heat cost.
For the phase-change thermal storage process based on thermally conductive and phase during the coefficient phase-change heat of thermally conductive and free convection
The change time reduces with the increase of heat-transfer fluid temperature.In free convection, the present invention is embodied in total transformation time and significantly subtracts
Few, reason is that the aluminium oxide blow molding particle of low latent heat high thermal conductivity is added in the simple low thermally conductive phase-change material of high latent heat,
The thermal conductive property of phase-change material is improved, to reduce the transformation time during heat accumulation and heat dissipation two.With simple thermally conductive phase
Than complete transformation time shortening enhances heating effect, in a disguised form improves the utilization efficiency of calorific value in heat accumulating.Thermally conductive and
Plus as can be seen that radiation heat transfer enhances the intracorporal diabatic process of heat accumulation ball, adding after radiant heat transfer on the basis of free convection
The fast burn-off rate of phase-change material, enhances the effect of free convection.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (4)
1. a kind of phase-change thermal storage type electric heater, which is characterized in that the shell that air outlet is offered including top, in the shell
Bottom be provided with frame base, be provided with cabinet base on the frame base, be provided with case on the cabinet base
Body heat storage units are vertically equipped with cavity fin in the upper end of the cabinet heat storage units；The cavity fin includes multiple closed chambers
Body fills paraffin in the airtight cavity, and the two sides of the cavity fin are provided with air duct, are provided in the air duct
PTC heating component；Box cover is fixed in cavity fin upper end；Exhaust vent, institute are provided on the box cover
Exhaust vent is stated to be connected to the air duct；It is additionally provided with electrothermal tube on the cabinet base, is also set up on the frame base
There are battery unit and control unit；The battery unit is electrically connected with PTC heating component respectively, and described control unit is for controlling
Power supply of the battery unit to PTC heating component.
2. electric heater according to claim 1, which is characterized in that the intracorporal top of the shell is provided with deflector.
3. electric heater according to claim 1, which is characterized in that the shell includes base housing, front-end case, rear end
Shell, closure head and air outlet shell, base housing, front-end case, rear end housing, closure head and air outlet shell are mutual
Connection forms the shell；The frame base is fixed on the base housing.
4. electric heater according to claim 1, which is characterized in that the cabinet heat storage units include being poured using high alumina clay
Heat accumulation sphere made of note and aluminium silicon magnesium heat conduction particle medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218503.4A CN110274295A (en) | 2018-03-16 | 2018-03-16 | Phase-change thermal storage type electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218503.4A CN110274295A (en) | 2018-03-16 | 2018-03-16 | Phase-change thermal storage type electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110274295A true CN110274295A (en) | 2019-09-24 |
Family
ID=67958540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810218503.4A Pending CN110274295A (en) | 2018-03-16 | 2018-03-16 | Phase-change thermal storage type electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110274295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553302A (en) * | 2019-09-27 | 2019-12-10 | 河北秦暖新能源科技有限公司 | Heat-storage directly-heated multifunctional stove for heating and cooking |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58127047A (en) * | 1982-01-25 | 1983-07-28 | Toshiba Corp | Heat regenerative type hot water supply system |
| CN2518007Y (en) * | 2001-12-07 | 2002-10-23 | 清华大学 | Civil phase transition accumulating electric radiator |
| CN101158508A (en) * | 2007-05-14 | 2008-04-09 | 广东工业大学 | Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device |
| CN104807057A (en) * | 2015-04-29 | 2015-07-29 | 南京星环能源科技有限公司 | Heat accumulation heat reservoir for heat collector |
| CN204705041U (en) * | 2015-06-10 | 2015-10-14 | 北京宇田相变储能科技有限公司 | A kind of Instant heating type phase-change accumulation energy water heater |
| CN204730461U (en) * | 2015-07-01 | 2015-10-28 | 北京宇田相变储能科技有限公司 | A kind of bushing type phase-change energy-storage units |
| JP5951832B1 (en) * | 2015-03-09 | 2016-07-13 | 株式会社ドリームエナジー | Thermal storage heating system |
| CN105783099A (en) * | 2016-05-09 | 2016-07-20 | 河北工业大学 | Energy storing kang having function of heating indoor air |
| CN106247430A (en) * | 2016-09-07 | 2016-12-21 | 北京国泰环能科技有限公司 | A kind of novel energy-storing electric heater |
| CN206563433U (en) * | 2017-02-28 | 2017-10-17 | 美的集团股份有限公司 | Inner container of electric water heater and water heater |
| CN107270379A (en) * | 2017-07-06 | 2017-10-20 | 贺迈新能源科技（上海）有限公司 | A kind of phase-change accumulation energy electric heater |
-
2018
- 2018-03-16 CN CN201810218503.4A patent/CN110274295A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58127047A (en) * | 1982-01-25 | 1983-07-28 | Toshiba Corp | Heat regenerative type hot water supply system |
| CN2518007Y (en) * | 2001-12-07 | 2002-10-23 | 清华大学 | Civil phase transition accumulating electric radiator |
| CN101158508A (en) * | 2007-05-14 | 2008-04-09 | 广东工业大学 | Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device |
| JP5951832B1 (en) * | 2015-03-09 | 2016-07-13 | 株式会社ドリームエナジー | Thermal storage heating system |
| CN104807057A (en) * | 2015-04-29 | 2015-07-29 | 南京星环能源科技有限公司 | Heat accumulation heat reservoir for heat collector |
| CN204705041U (en) * | 2015-06-10 | 2015-10-14 | 北京宇田相变储能科技有限公司 | A kind of Instant heating type phase-change accumulation energy water heater |
| CN204730461U (en) * | 2015-07-01 | 2015-10-28 | 北京宇田相变储能科技有限公司 | A kind of bushing type phase-change energy-storage units |
| CN105783099A (en) * | 2016-05-09 | 2016-07-20 | 河北工业大学 | Energy storing kang having function of heating indoor air |
| CN106247430A (en) * | 2016-09-07 | 2016-12-21 | 北京国泰环能科技有限公司 | A kind of novel energy-storing electric heater |
| CN206563433U (en) * | 2017-02-28 | 2017-10-17 | 美的集团股份有限公司 | Inner container of electric water heater and water heater |
| CN107270379A (en) * | 2017-07-06 | 2017-10-20 | 贺迈新能源科技（上海）有限公司 | A kind of phase-change accumulation energy electric heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553302A (en) * | 2019-09-27 | 2019-12-10 | 河北秦暖新能源科技有限公司 | Heat-storage directly-heated multifunctional stove for heating and cooking |
| CN110553302B (en) * | 2019-09-27 | 2024-06-07 | 河北秦桥热力有限公司 | Heat accumulating and direct heating type multifunctional stove for heating and cooking |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190924 |
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| RJ01 | Rejection of invention patent application after publication |