CN104654429B - Electric heater - Google Patents
Electric heater Download PDFInfo
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- CN104654429B CN104654429B CN201510119328.XA CN201510119328A CN104654429B CN 104654429 B CN104654429 B CN 104654429B CN 201510119328 A CN201510119328 A CN 201510119328A CN 104654429 B CN104654429 B CN 104654429B
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Abstract
The present invention proposes a kind of electric heater, including：Base；Housing, the housing are located on the base and are equipped with through hole on the bottom wall of the housing, side wall and roof；Heat-generating units, the heat-generating units are located in the housing, the outer surface of the side wall of the heat-generating units have far infrared radiation coating and with the inner surface of the side wall of the housing spaced a predetermined distance, there is the hollow channel for penetrating the heat-generating units along the vertical direction, the upper shed of the hollow channel is relative with the roof of the housing and the under shed of the hollow channel is relative with the bottom wall of the housing in the heat-generating units.Electric heater according to embodiments of the present invention, the outer surface of the side wall of the heat-generating units has far infrared radiation coating, part warm wind can be made to pass through the outside conduct radiation of side wall of housing, part warm wind carries out convection current conduction by hollow channel through the roof of housing, and heat dissipation region is wide, radiating is uniform.
Description
Technical field
The present invention relates to household electrical appliance technical field, more particularly to a kind of electric heater.
Background technology
Electric heater on domestic and international market at present, mainly have following several：1st, convection-type electric heater；2nd, visible radiation formula
Electric heater, such as Farinfrared electric heating, Sunny；3rd, PTC warm-air driers；4th, electric heating installation using oil as medium.
The 1st~3 kind of electric heater of the above all can only single or double radiating, heating demand when more people sit around can not be met.
Wherein the general top of convection-type electric heater is provided with gas outlet, and lower section is air inlet, and hot-air flows out from gas outlet, and surrounding is cold
Air enters from air inlet to be supplemented, such iterative cycles, so as to realize that room air free convection is heated, but because top is set
Outlet open area it is typically less, therefore have the shortcomings that thermal sensation is not strong.And when Farinfrared electric heating and Sunny work, that is, generate heat
After body is powered, give off heat in the form of light or far infrared, and outside diffused to by reflector reflection, shortcoming be have it is visible
Light, light pollution is formed, and be orientation heating, heating area is smaller.PTC warm-air driers are to agitate air to flow through PTC electricity using blower fan
Thermal element forced-air convection radiates, and mainly has the disadvantage that：There is noise during work operation, have wind sense, easily dry, radiating scope
It is smaller.
The heating principle of electric heating installation using oil as medium is that conduction oil is filled in the metallic cavity of its body, and electric heating element immerses heat conduction
In oil, after electric heating element heating power, the rise of conduction oil local temperature, then conduction oil flows in housing, passes through heat conduction
Heat is conducted to surrounding and distributed, the mode of heat transfer is mainly heat transfer, is had following to the inwall of housing by oil conduction from housing
Shortcoming：Preheating time is longer when heating conduction oil, and heating starting is slower, the bad possibility for also having oil leak of processing technology.
Chinese patent CN200420094295.5 Chinese invention patent discloses a kind of two-sided or multi-face radiating electric heating
Device, including support, electrothermal tube, reflector, reflector are two or more, and reflector is to be set backwards to setting, electrothermal tube
On support, the front portion of reflector, corresponding electrothermal tube is also two groups or more, forms the reflection in two or more directions
Face, in the hope of reaching two-sided or multiple directions radiating effect.Heat-generating pipe described in the electric heater is carbon fiber far infrared electro-thermal tube
Or quartzy B alloy wire electrothermal tube or halogen electrothermal tube, this three kinds of electrothermal tubes belong to the electrothermal tube of visible ray, can produce light pollution.
Also, simply tow sides have electrothermal tube, two-side radiation strictly speaking can only be calculated, multiaspect radiating can not be calculated.Electrothermal tube is pipe
Shape formula, and by reflector reflection heat, heat-generating pipe face position localized heat can be caused, and the effect that remaining region is not hot, radiating
It is not uniform enough.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose that one kind can multiaspect radiates, heat dissipation region is wide, the uniform electric heating of radiating
Device.
Electric heater according to embodiments of the present invention, including：Base；Housing, the housing are located on the base and described
Through hole is equipped with the bottom wall of housing, side wall and roof；Heat-generating units, the heat-generating units are located in the housing and the hair
The outer surface of the side wall of hot cell is spaced apart at least preset distance with the inner surface of the side wall of the housing, in the heat-generating units
With the hollow channel for penetrating the heat-generating units along the vertical direction, the upper shed of the hollow channel and the roof of the housing
The under shed of relative and described hollow channel is relative with the bottom wall of the housing.
Electric heater according to embodiments of the present invention, the outer surface of the side wall of the heat-generating units and the side wall of the housing
Inner surface is spaced apart at least preset distance, and part warm wind can be made to pass through the outside conduct radiation of side wall of housing, and the heating is single
There is the hollow channel for penetrating the heat-generating units along the vertical direction in first, part warm wind can be made to pass through shell by hollow channel
The roof of body carries out convection current conduction, can multiaspect radiating, heat dissipation region is wide, radiating is uniform.
In addition, electric heater according to the above embodiment of the present invention can also have technical characteristic additional as follows：
According to the example of the present invention, the outer surface of the side wall of the heat-generating units has far infrared radiation coating.
According to the example of the present invention, the housing is the circumferential frame body formed with multiple holes.
According to the example of the present invention, throwing of the circumferential frame body in the plane perpendicular to the above-below direction
Shadow is at least one of rectangle, polygon, ellipse, annular.
According to the example of the present invention, the heat-generating units include being made up of the heating element for forming loop configuration, and shape
Into there is the hollow channel, wherein the heat-generating units be arranged in the circumferential frame body and with the circumferential frame body
Inner side be respectively separated and open at least described preset distance.
According to the example of the present invention, the heating element is formed as the tube structure with annular cross section.
According to the example of the present invention, the heating element is formed by circumferentially juxtaposed multiple fever tablets.
According to the example of the present invention, the outer surface of the side wall of the heat-generating units and the institute of the housing
It is identical to state circumference of the spaced apart preset distance of the inner surface of side wall along the heat-generating units.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the schematic diagram of electric heater according to an embodiment of the invention.
Fig. 2 is the decomposing schematic representation of electric heater according to an embodiment of the invention.
Fig. 3 is the decomposing schematic representation of the heat-generating units of electric heater according to an embodiment of the invention.
Fig. 4 is the sectional view of electric heater according to an embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings it is described in detail electric heater according to embodiments of the present invention.
As shown in Figures 1 to 4, electric heater according to embodiments of the present invention, including：Base 10, housing 20 and heat-generating units
30。
Specifically, housing 20 is located on base 10 and is equipped with through hole on the bottom wall of housing 20, side wall and roof.
Heat-generating units 30 are located in housing 20.The outer surface of the side wall of heat-generating units 30 and the inner surface of the side wall of housing 20
It is spaced apart at least preset distance.There is the vertically (side indicated by above and below arrow i.e. as shown in Figure 1 in heat-generating units 30
To) direction insertion heat-generating units 30 hollow channel (not shown).The upper shed of the hollow channel and the roof phase of housing 20
Pair and the hollow channel under shed it is relative with the bottom wall of housing 20.
Electric heater according to embodiments of the present invention, the outer surface of the side wall of the heat-generating units and the side wall of the housing
Inner surface is spaced apart at least preset distance, and part warm wind can be made to pass through the outside conduct radiation of side wall of housing, and the heating is single
There is the hollow channel for penetrating the heat-generating units along the vertical direction in first, part warm wind can be made to pass through shell by hollow channel
The roof of body carries out convection current conduction, can multiaspect radiating, heat dissipation region is wide, radiating is uniform.
Advantageously, the outer surface of the side wall of heat-generating units 30 has far infrared radiation coating (not shown), the Far-infrared spoke
It is known to those skilled in the art to penetrate coating, for example, can from Japanese Shang companies, Harbison companies of the U.S., in
The cloud China sunrise paint company of state obtains.Thus, the outer surface of the side wall of the heat-generating units has far infrared radiation coating, can be with
The heat-generating units are made not produce visible ray at work
More specifically, electric heater according to embodiments of the present invention, including：Base 10, housing 20 and heat-generating units 30.Housing
20 are located on base 10 and are equipped with through hole on the bottom wall of housing 20, side wall and roof.
According to the example of the present invention, housing 20 can be the circumferential frame body formed with multiple holes.Advantageously, institute
Circumferential frame body is stated to be projected as in rectangle, polygon, ellipse, annular at least in the plane perpendicular to above-below direction
It is a kind of.
Fig. 2 shows a specific embodiment of the circumferential frame body.
As shown in Fig. 2 housing 20 includes the bottom plate 201 with bottom through hole, the foreboard 202 with front through hole, led to after
The back plate 203 in hole, the left plate 204 with left through hole, the right plate 205 with right through hole and with top through hole (do not mark)
Top cover 206.
According to one embodiment of present invention, bottom plate 201 is located on base 10.
Under foreboard 202 (under arrow i.e. as shown in Figure 2 indicated direction) edge with before bottom plate 201 (i.e. such as
Indicated direction before arrow shown in Fig. 2) edge is connected.
The lower edge of back plate 203 and rear (indicated direction after arrow i.e. as shown in Figure 2) the edge phase of bottom plate 201
Even.
The lower edge of left plate 204 and a left side (direction indicated by an arrow left side i.e. as shown in Figure 2) edge of bottom plate 201
It is connected.The front edge of left plate 204 is connected with the left margin of foreboard 202.The back edge of left plate 204 and the left side of back plate 203
Edge is connected.
The lower edge of right plate 205 and the right side (direction indicated by arrow right i.e. as shown in Figure 2) edge of bottom plate 201
It is connected.The front of right plate 205 is along the right with foreboard 202 along being connected.The back edge of right plate 205 and the right of back plate 203
Edge is connected.
Advantageously, left plate 204 is provided with left attacker 2041, and right plate 205 has attacker 2051, is easy to user to remove
The dynamic electric heater according to embodiments of the present invention of migration.
The preceding lower edge of top cover 206 and upper (indicated direction on the arrow i.e. as shown in Figure 2) edge of foreboard 202
It is connected.The rear lower edge of top cover 206 is connected with the upper edge of back plate 203.The left lower side edge of top cover 206 is upper with left plate 204
Edge is connected.The bottom right edge of top cover 206 is connected with the upper edge of right plate 205.
That is, housing 20 is configured generally to cuboid.It is projected as square in the plane perpendicular to above-below direction
Shape.
By foregoing description, it will be understood by those skilled in the art that housing 20 is in the plane perpendicular to above-below direction
Projection can also be polygon, ellipse, annular etc..
According to the example of the present invention, heat-generating units 30 include being made up of the heating element for forming loop configuration, formed with
The hollow channel (not shown).Wherein heat-generating units 30 be arranged in the circumferential frame body and with the circumferential framework sheet
It is respectively separated on the inside of body and opens at least described preset distance.
For example, heat-generating units 30 are located in housing 20.Between the inner surface of the side wall of heat-generating units 30 and the side wall of housing 20
Separate at least preset distance.Have in heat-generating units 30 in vertically (indicated direction above and below arrow i.e. as shown in Figure 1)
Direction penetrates the hollow channel (not shown) of heat-generating units 30.The upper shed of the hollow channel it is relative with the roof of housing 20 and
The under shed of the hollow channel is relative with the bottom wall of housing 20.Advantageously, the outer surface of the side wall of heat-generating units 30 has remote
Infrared radiating coating (not shown).
According to the specific embodiment of the present invention, the heating element is formed as the tube structure with annular cross section.
The heating element is formed by circumferentially juxtaposed multiple fever tablets.
As shown in figure 3, heat-generating units 30 include the preceding fever tablet that preceding surface has far infrared radiation coating (not shown)
301st, rear fever tablet 302 of the rear surface with far infrared radiation coating (not shown), left surface with far infrared radiation coating (not
Show) left fever tablet 303 and right surface there is the right fever tablet 304 of far infrared radiation coating (not shown).
As shown in Figures 2 and 3, preceding fever tablet 301 in the housing 20 with (arrow i.e. as shown in Figure 2 before and after foreboard 202
Front and rear indicated direction) arranged for interval.
Fever tablet 302 is arranged in housing 20 with the time interval of back plate 203 afterwards.
That is, the pre- spacing that the outer surface of the side wall of heat-generating units 30 is spaced apart with the inner surface of the side wall of housing 20
Can be identical from the circumference along heat-generating units 30.
Left fever tablet 303 is in housing 20 with left plate 204 or so (indicated by arrow i.e. as shown in Figure 2 or so
Direction) arranged for interval.The front edge of left fever tablet 204 is connected with the left margin of preceding fever tablet 301 and the back of left fever tablet 303
Edge is connected with the left margin of rear fever tablet 302.
Right fever tablet 304 in the housing 20 with the arranged for interval of right plate 205 or so.The front of right fever tablet 304 along with it is preceding
The right of fever tablet 301 is along being connected and the right of the back edge of right fever tablet 304 and rear fever tablet 302 is along being connected.
That is, preceding fever tablet 301, rear fever tablet 302, left fever tablet 303 and right fever tablet 304 surround a four directions
Frame shape, cubic inframe form the hollow channel, can form stack effect and be radiated, and heating is rapid.
Any one of preceding fever tablet 301, rear fever tablet 302, left fever tablet 303 and right fever tablet 304 can be that aluminium closes
Golden hair backing.
In addition, preceding fever tablet 301, rear fever tablet 302, left fever tablet 303 and right fever tablet 304 electrical connection can be with
It is in parallel.In other words, user can enter to preceding fever tablet 301, rear fever tablet 302, left fever tablet 303 and right fever tablet 304
Generated heat after row any combination.Thus, on the premise of user's heating demand is met, energy consumption can be reduced.
When electric heater according to embodiments of the present invention works, cold wind is entered in housing by the bottom through hole of bottom plate 201, quilt
Preceding fever tablet 301, rear fever tablet 302, left fever tablet 303 and right fever tablet 304 are heated into warm wind.In the hollow channel
Warm wind upwards through top cover 206 top through hole carry out above-below direction heat transfer.And in heat-generating units 30 and housing 20 it
Between warm wind, a part carries out the heat transfer of above-below direction, and another part has due to the outer surface of the side wall of heat-generating units 30
Far infrared radiation coating and pass through housing 20 side wall on through hole carry out general horizontal direction heat radiation.Heat dissipation region is wide,
Radiating is uniform, it is possible to achieve multiaspect radiates.
As shown in figure 3, according to the example of the present invention, heat-generating units 30 also include upper fixed support 305 and lower fixation
Support 306.
The front edge of upper fixed support 305 is connected with the upper edge of preceding fever tablet 301.The back edge of upper fixed support 305
It is connected with the upper edge of rear fever tablet 302.The left margin of upper fixed support 305 is connected with the upper edge of left fever tablet 303.It is upper solid
The right edge of fixed rack 305 is connected with the upper edge of right fever tablet 304.
The front edge of lower fixed support 306 is connected with the lower edge of preceding fever tablet 301.The back edge of lower fixed support 306
It is connected with the lower edge of rear fever tablet 302.The left margin of lower fixed support 306 is connected with the lower edge of left fever tablet 303.It is lower solid
The right edge of fixed rack 306 is connected with the lower edge of right fever tablet 304.
Advantageously, the front edge of upper fixed support 305 has preceding upper installing hole 3051.The back edge of upper fixed support 305
With rear upper installing hole 3052.The left margin of upper fixed support 305 has upper left mounting hole 3053.The right side of upper fixed support 305
Edge has upper right mounting hole 3054.
The front edge of lower fixed support 306 has front lower mounting hole 3061.The back edge of lower fixed support 306 have after under
Mounting hole 3062.The left margin of lower fixed support 306 has lower-left mounting hole 3063.The right edge of lower fixed support 306 has
Bottom right mounting hole 3064.
There is the preceding upper stud 3011 being adapted to preceding upper installing hole 3051 and preceding fever tablet on the upper edge of preceding fever tablet 301
There is the front lower stud 3012 being adapted to front lower mounting hole 3061 on 301 lower edge.Have afterwards on the upper edge of fever tablet 302
Have on the lower edge of the rear upper stud 3021 that is adapted to rear upper installing hole 3052 and rear fever tablet 302 and rear lower mounting hole 3062
The rear lower stud 3022 of adaptation.There is the upper left stud being adapted to upper left mounting hole 3053 on the upper edge of left fever tablet 303
3031 and the lower edge of left fever tablet 303 on there is the lower-left stud 3032 that is adapted to lower-left mounting hole 3063.Right fever tablet 304
Upper edge on the lower edge with the upper right stud 3041 being adapted to upper right mounting hole 3054 and rear fever tablet 304 with
The bottom right stud 3042 that bottom right mounting hole 3064 is adapted to.
That is, the stud of fever tablet is through the mounting hole on fixed support, then with nut by fever tablet and fixed support phase
Even, it is easy for installation.
According to the example of the present invention, there is the upper end phase with preceding fever tablet 301 on the inner peripheral of upper fixed support 305
The backstop 3055 of going forward of adaptation, the upper backstop 3056, upper with left fever tablet 303 afterwards being adapted with the upper end of rear fever tablet 302
Hold the upper left backstop 3057 being adapted, the upper right backstop 3058 being adapted with the upper end of right fever tablet 304.Lower fixed support 306
Inner peripheral on there is the lower preceding backstop 3065 being adapted with the lower end of preceding fever tablet 301, mutually fitted with the lower end of rear fever tablet 302
The lower rear backstop 3066 matched somebody with somebody, the bottom left backstop 3067 being adapted with the lower end of left fever tablet 303, the lower end with right fever tablet 304
The bottom right backstop 3068 being adapted.Thus, accurate positioning, it is easily installed.
As shown in figure 3, according to the example of the present invention, heat-generating units 30 also include upper connector 307 and lower connector
308.One end of upper connector 307 is connected with upper fixed support 305 and the other end of upper connector 307 is connected with housing 20.Under
One end of connector 308 is connected with lower fixed support 306 and the other end of lower connector 308 is connected with housing 20.Advantageously, on
Connector 307 and lower connector 308 are insulated connecting piece.Further, upper connector 307 and lower connector 308 are modeling
Expect connector or ceramic connecting piece.Thus, once heat-generating units 30 leak electricity, leak conductance can be prevented to housing 20, eliminated
The potential safety hazard of electric heater electric leakage, ensures user security.
According to the example of the present invention, the electric heater also includes post rod type dumping switch 40, post rod type dumping switch
40 are located on bottom plate 201.Thus, once electric heater according to embodiments of the present invention, post rod type dumping switch 40 can cut off circuit,
Prevent from working on after toppling over and produce potential safety hazard.
Electric heater according to embodiments of the present invention, the heat-generating units are located in the housing, the side of the heat-generating units
The outer surface of wall have far infrared radiation coating and with the inner surface of the side wall of the housing spaced a predetermined distance, the heating is single
There is the hollow channel for penetrating the heat-generating units along the vertical direction so that electric heater according to embodiments of the present invention has concurrently in first
Thermal convection current and the heating effect of heat radiation, can multiaspect radiating, heat dissipation region it is wide, radiating is uniform.Also, the side of the heat-generating units
The outer surface of wall has far infrared radiation coating, and the heat-generating units can be made not produce visible ray at work.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more, unless separately
There is clearly specific limit.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (5)
- A kind of 1. electric heater, it is characterised in that including：Base；Housing, the housing are located on the base and are equipped with through hole on the bottom wall of the housing, side wall and roof；Heat-generating units, the heat-generating units are located in the housing and the outer surface of the side wall of the heat-generating units and the housing The inner surface of side wall be spaced apart at least preset distance, the heat-generating units are made up of the heating element for forming loop configuration, described Heating element includes：Preceding fever tablet, rear fever tablet, left fever tablet and right fever tablet, the preceding fever tablet, rear fever tablet, the institute State left fever tablet and the right fever tablet surrounds four block forms, the cubic inframe is formed with hollow channel, in described The upper shed of empty passage is relative with the top cover of the housing and the under shed of the hollow channel is relative with the bottom plate of the housing；Wherein, the preceding fever tablet, the electrical connection of the rear fever tablet, the left fever tablet and the right fever tablet is simultaneously Connection.
- 2. electric heater according to claim 1, it is characterised in that the outer surface of the side wall of the heat-generating units has remote red External radiation coating.
- 3. electric heater according to claim 2, it is characterised in that the housing is the circumferential framework sheet formed with multiple holes Body.
- 4. electric heater according to claim 3, it is characterised in that the circumferential frame body is perpendicular to above-below direction At least one of rectangle, ellipse, annular are projected as in plane.
- 5. electric heater according to claim 1, it is characterised in that the outer surface of the side wall of the heat-generating units Circumference of the preset distance being spaced apart with the inner surface of the side wall of the housing along the heat-generating units be Identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119328.XA CN104654429B (en) | 2015-03-18 | 2015-03-18 | Electric heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119328.XA CN104654429B (en) | 2015-03-18 | 2015-03-18 | Electric heater |
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| CN104654429A CN104654429A (en) | 2015-05-27 |
| CN104654429B true CN104654429B (en) | 2018-01-02 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878879A (en) * | 2020-08-20 | 2020-11-03 | 珠海格力电器股份有限公司 | Electric heater |
| CN112728626A (en) * | 2021-01-05 | 2021-04-30 | 北京旭碳新材料科技有限公司 | Heating system |
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| CN2739511Y (en) * | 2004-10-26 | 2005-11-09 | 李家俊 | Two-face or multi-face radiating electric warmer |
| CN2861828Y (en) * | 2005-08-22 | 2007-01-24 | 淄博德惠来装饰瓷板有限公司 | Porcelain plate hollow superconductive far infrared electric heater |
| CN101097077A (en) * | 2006-06-28 | 2008-01-02 | 点将家科技（无锡）有限公司 | Centralized heat power supply device |
| CN201170630Y (en) * | 2008-01-31 | 2008-12-24 | 珠海格力电器股份有限公司 | Electric heater |
| CN201836972U (en) * | 2010-04-23 | 2011-05-18 | 黄立军 | Solid-wood energy-saving electric warmer |
| CN201973787U (en) * | 2010-12-18 | 2011-09-14 | 李瑞勇 | Energy-saving heating device |
| CN203274030U (en) * | 2013-05-09 | 2013-11-06 | 艾美特电器（深圳）有限公司 | Heater |
| CN204534777U (en) * | 2015-03-18 | 2015-08-05 | 广东美的环境电器制造有限公司 | Electric heater |
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