CN202077199U - Electric heater and air conditioner - Google Patents
Electric heater and air conditioner Download PDFInfo
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- CN202077199U CN202077199U CN2011201859940U CN201120185994U CN202077199U CN 202077199 U CN202077199 U CN 202077199U CN 2011201859940 U CN2011201859940 U CN 2011201859940U CN 201120185994 U CN201120185994 U CN 201120185994U CN 202077199 U CN202077199 U CN 202077199U
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Abstract
The utility model discloses an electric heater which includes two supports, and two sets or more than two sets of heating elements are arranged between the two supports. Compared with the electric heater containing only one heating element provided by a background technology, the electric heater provided by the utility model has two sets or more than two sets of heating elements. Through changing the number of the opened heating elements, the electric heater provided by the utility model realizes the wider scope adjustment of the electric heater heating capacity, thus satisfying the different scope heating capacity demands of different users to an air conditioner.
Description
Technical field
The utility model relates to air-conditioning technical field, more particularly, relates to a kind of electric heater, and the utility model also relates to a kind of air conditioner with above-mentioned electric heater.
Background technology
At present, the electric heater that uses in the air conditioner on the existing market all only contains an electric heating element, when heating, need realize the heat modulation of air-conditioning by a plurality of electric heaters are installed respectively, make that so not only installation effectiveness is low, but also wasted many materials, increase cost.Along with the variation of the increasingly mature of air-conditioning technical and air-conditioning heating capacity demand, the user is more and more higher to the demand of the heating capacity of air-conditioning, and different user also has than big-difference the heating capacity demand of air conditioner.And only realize the heating capacity of air conditioner is regulated by one or more electric heaters are installed, the scope of application that can dwindle air-conditioning greatly is difficult to satisfy different user to the electric heater heating capacity of the wide region demand of regulating more.
Simultaneously, in order to address the above problem, the heating power that improves existing electric heating element blindly satisfies the heat demand of user's more wide region, can produce bigger influence to the noise and the overall performance of air conditioner.
In sum, how providing a kind of electric heater, realize the more adjusting of wide region of air-conditioning heating capacity, satisfying the demand of the different heating capacities of user, and reach the highest effect of Energy Efficiency Ratio, is the technical problem that present those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the utility model provides a kind of electric heater, to realize the more heating capacity adjusting of wide region of electric heater.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of electric heater comprises two supports, is provided with two covers or the above electric heating element of two covers between described two supports.
Preferably, in the above-mentioned electric heater, described electric heating element comprises heat-generating pipe and the fin that is arranged on the described heat-generating pipe.
Preferably, in the above-mentioned electric heater, the vertical sectional shape of described fin is U type, rectangle or trapezoidal, and shape of cross section is a polygon.
Preferably, in the above-mentioned electric heater, described electric heating element also comprises bound edge, and described bound edge is all or part of to surround on the described fin.
Compare with the electric heater that only contains an electric heating element that provides in the background technology, the electric heater that the utility model provides has two covers or the above electric heating element of two covers.The electric heater that the utility model provides has been realized the more adjusting of wide region of heating capacity of electric heater by the quantity that changes electric heating element, and the operation that electric heater is installed only need be carried out once just can finishing, not only improved installation effectiveness greatly, and the saving material, reduced production cost, satisfied the heating capacity demand of different user the air conditioner different range.
Based on the above-mentioned electric heater that provides, the utility model also provides a kind of air conditioner, this air conditioner comprises the electric heater described in control circuit, housing and the above-mentioned preferred version, described housing is provided with air inlet and air outlet, and described electric heater places between described air inlet and the air outlet; It is characterized in that in the described electric heater, the electric heating element of close described air inlet is the first cover electric heating element, the electric heating element of close described air outlet is the second cover electric heating element; The described first cover electric heating element and the second cover electric heating element are connected to described control circuit respectively.
Preferably, in the above-mentioned air conditioner, the described first cover electric heating element comprises a plurality of electric heating elements, and the described second cover electric heating element comprises a plurality of electric heating elements.
Preferably, in the above-mentioned air conditioner, described first distance of overlapping between the electric heating element adjacent in the electric heating element is less than or equal to second distance of overlapping between the electric heating element adjacent in the electric heating element.
Preferably, in the above-mentioned air conditioner, described first distance of overlapping between the fin adjacent in the electric heating element is less than or equal to second distance of overlapping between the fin adjacent in the electric heating element.
Preferably, in the above-mentioned air conditioner, the area of dissipation of the fin of the described first cover electric heating element is more than or equal to the area of dissipation of the fin of the described second cover electric heating element.
Described air conditioner is controlled the electric heating element in the electric heater by control circuit, when the demand of heating is big, all opens electric heating element and heats; When the demand of heating hour, an opening section electric heating element heats.So not only improve the flexibility that air-conditioning uses, and can also improve Energy Efficiency Ratio.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the electric heater that Fig. 1 provides for the utility model embodiment one;
Fig. 2 is the cross-sectional figure of Fig. 1;
Fig. 3 is the axial cutaway view of the first cover electric heating element among the embodiment one;
Fig. 4 is the axial cutaway view of the second cover electric heating element among the embodiment one;
The cross-sectional structural representation of the electric heater that provides among the embodiment two is provided Fig. 5;
Fig. 6 is the structural representation of the air conditioner of the electric heater among the employing embodiment one;
Fig. 7 is the structural representation of the air conditioner of the electric heater among the employing embodiment two.
Among last Fig. 1-7:
Electric heater 1, support 11, support 12, the first cover electric heating element 13, the second cover electric heating element 14, first heat-generating pipe 131, first fin 132, first bound edge 133, second heat-generating pipe 141, second fin 142, electric heater 2, support 21, the second cover electric heating element 22, the first cover electric heating element 23, the 3rd cover electric heating element 24, rear side evaporator 101, central evaporator 102, through-flow fan blade 103, panel 104, drip tray 105, air outlet 106, air inlet 107, inlet side 1031, air side 1032, rear side evaporator 201, central evaporator 202, through-flow fan blade 203, panel 204, drip tray 205, air outlet 206, air inlet 207, inlet side 2031, air side 2032.
Embodiment
For quote and know for the purpose of, now that the explanation of technical terms that occurs in this patent is as follows:
The first cover electric heating element: the electric heating element of the air inlet of close air conditioner in the electric heater.
The second cover electric heating element: the electric heating element of the air outlet of close air conditioner in the electric heater.
The 3rd cover electric heating element: the electric heating element of close through-flow fan blade in the electric heater.
The utility model provides a kind of electric heater, comprises two supports and is arranged on the cover of two between two supports or the above electric heating element of two covers.
Compare with the electric heater that only contains an electric heating element that provides in the background technology, the electric heater that the utility model embodiment provides has two covers or the above electric heating element of two covers.The electric heater that the utility model provides has been realized the more adjusting of wide region of electric heater heating capacity by the quantity that changes electric heating element, and the operation that electric heater is installed only need be carried out once just can finishing, not only improved installation effectiveness greatly, and the saving material, reduced production cost, and then satisfied the heating capacity demand of different user the air conditioner different range.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope of the utility model protection.
Embodiment one
Please refer to accompanying drawing 1-2, the structural representation of the electric heater that provides in the present embodiment is provided Fig. 1; Fig. 2 is the cross-sectional figure of Fig. 1.
The electric heater 1 that provides in the present embodiment is used for heating of air conditioner, comprises support 11, support 12, near the first cover electric heating element 13 of the air inlet of air conditioner with near the second cover electric heating element 14 of the air outlet of air conditioner, wherein:
The first cover electric heating element 13 and the second cover electric heating element 14 are arranged between support 11 and the support 12.
The electric heater 1 that provides in the present embodiment comprises the first cover electric heating element 13 and the second cover electric heating element 14, compare with the electric heater that has single electric heating element in the prior art, increased the quantity of electric heating element, in the process of work, can open the first cover electric heating element 13 or the second cover electric heating element 14, also can open the first cover electric heating element 13 and the second cover electric heating element 14 simultaneously, carry out the adjusting of heating capacity with respect to single electric heating element, the electric heater that provides in the present embodiment has realized that more the heating capacity of wide region is regulated, and has satisfied the different user heating capacity demand different to air conditioner.
In the electric heater that provides in the present embodiment, the first cover electric heating element 13 can be the identical electric heating element of power with the second cover electric heating element 14, also can be the different electric heating element of power.
Electric heating element comprises heat-generating pipe and the fin that is arranged in the heat-generating pipe.Described fin also can be thereon part or all hold bound edge.Please refer to accompanying drawing 3, the first cover electric heating elements 13 comprises first heat-generating pipe 131, is arranged on multi-disc first fin 132 and some or all of first bound edge 133 that surrounds on first fin 132 on first heat-generating pipe 131; Please refer to accompanying drawing 4, the second cover electric heating elements 14 and comprise second heat-generating pipe 141 and multi-disc second fin 142 that is arranged on second heat-generating pipe 141.
In the practical work process of air conditioner, the wind speed of zones of different is inequality in the air conditioner, in order to improve the overall performance of whole air conditioner, the electric heater that provides in the present embodiment is designed to different structures at the zone of different wind speed with the electric heating element relative with this zone.The watt level of electric heating element and the surface area of its fin have bigger relation, the power height of the electric heating element that the power ratio fin area of the electric heating element that the fin area is big is little.
The above-mentioned first cover electric heating element 13 is positioned at the side near the air inlet of air conditioner, because the wind speed in the close zone of air inlet is than higher, and the wind speed in the zone of the air outlet of close air conditioner is lower, in order to be implemented in the high zone of wind speed swiftly flowing air is carried out better heating, the area of dissipation of first fin 132 of the above-mentioned first cover electric heating element 13 is greater than the area of dissipation of second fin 142 of the second cover electric heating element 14, first fin 132 of the first cover electric heating element 13 adopts bigger area of dissipation to improve radiating efficiency, has realized swiftly flowing air is heated efficiently.And the second cover electric heating element 14 adopts less area of dissipation to get final product owing to be in away from the lower position of panel wind speed.Particularly, the above-mentioned first cover electric heating element 13 can realize that first fin 132 has bigger area of dissipation by height, the wide cut that increases by first fin 132.
Because area of dissipation is relevant with the power of electric heating element, so the above-mentioned first cover electric heating element 13 adopts the bigger fin of area of dissipation, improved the power when this first cover electric heating element 13 works independently, thereby realize the power regulating range of whole electric heater, and then realized the adjustable range of the heating capacity of whole electric heater.
Heating principle according to electric heater, the heating power of electric heating element is directly proportional with itself dissipation factor and surface temperature, and dissipation factor is directly proportional with the wind speed of process fin surface, because the second cover electric heating element 14 is near air outlet, wind speed in this zone is lower, in order to improve the power of the second cover electric heating element 14, existing first fin, 132 areas for the first cover electric heating element 13 of area of second fin 142 on the above-mentioned second cover electric heating element 14 are little, spacing between the second adjacent fin 142 on the second cover electric heating element 14 is greater than the spacing between the first adjacent fin 132 on first electric heating element 13 simultaneously, i.e. second fin, 142 distributions on the second cover electric heating element 14 are more widened thin.The area of second fin 142 on the above-mentioned second cover electric heating element 14 is less, and 142 distributions of second fin are more widened thin, this kind structure has reduced the resistance of 14 pairs of air of second electric heating element, guaranteed that to a certain extent wind speed was unlikely to low (with respect to the identical situation of area of dissipation of the first cover electric heating element 13 and the fin of the second cover electric heating element 14), had improved the power of the second cover electric heating element 14.Second fin, 142 project organizations of first fin 132 of the above-mentioned first cover electric heating element 13 and the second cover electric heating element 14, make each electric heating element when working independently, can provide bigger power, the power of electric heating element is provided, and then has enlarged the heating capacity adjustable range of electric heater.In order further to reduce resistance, the above-mentioned second cover electric heating element 14 has adopted the structure that does not have bound edge.Certainly can also comprise all or part of second bound edge (not shown) that surrounds on second fin 142 on above-mentioned second electric heating element 14.
Certainly, above-mentioned first quantity of overlapping the electric heating element 13 and the second cover electric heating element 14 can be not limited to one for a plurality of.Electric heating element in the above-mentioned first cover electric heating element is a plurality of, electric heating element in the second cover electric heating element is a plurality of, preferably, above-mentioned first distance of overlapping between the electric heating element adjacent in the electric heating element is less than or equal to second distance of overlapping between the electric heating element adjacent in the electric heating element.
The wind speed size of the zones of different in the design consideration air conditioner of the above-mentioned first cover electric heating element 13 and the second cover electric heating element 14 is carried out corresponding design, has optimized the overall performance of air conditioner.
Preferably, in the above-mentioned electric heater, the vertical sectional shape of second fin 142 of first fin 132 of the first cover electric heating element 13 and the second cover electric heating element 14 is rectangle (as shown in Figure 2), trapezoidal or U type; The shape of cross section of first fin 132 on the first cover electric heating element 13 is rectangle (as shown in Figure 3), and the shape of cross section of second fin 142 of the second cover electric heating element 14 is that the shape of cross section of triangle (as shown in Figure 4), certain above-mentioned first fin 132 and second fin 142 can also be other polygonized structure.Certainly, the concrete shape of the fin of the cover electric heating element 13 of first in the present embodiment in the electric heater and the second cover electric heating element 14 can also be not limited to this for other shapes.
In order further to optimize technique scheme, the heat-generating pipe in each electric heating element in the present embodiment in the electric heater preferably adopts the heating aluminum pipe, is convenient to conduct heat.
Please refer to accompanying drawing 2, the angle between the first cover electric heating element 13 that provides in the present embodiment and the longitudinal section of the second cover electric heating element 14 is 86 °.Angle between the longitudinal section of the above-mentioned certainly first cover electric heating element 13 and the second cover electric heating element 14 is not limited to this.
Based on the electric heater that provides in the present embodiment, present embodiment also provides a kind of air conditioner with the electric heater in the foregoing description, please refer to accompanying drawing 6, this air conditioner comprises housing, control circuit, air inlet 107, rear side evaporator 101, central evaporator 102, the rear side evaporator, through-flow fan blade 103, drip tray 105 and panel 104, wherein: air-inlet grille 107, rear side evaporator 101 and central evaporator 102, electric heater 1, through-flow fan blade 103 is successively set on the housing, panel 104 is arranged on a side of housing, and the first cover electric heating element and the second cover electric heating element are connected to control circuit respectively.
The course of work of this air conditioner is: air-flow is through after passing rear side evaporator 101, central evaporator 102 behind the air inlet 107 and entering into electric heater 1 and heat, enter into the air inlet zone of the inlet side 1031 of through-flow fan blade 103, through 1032 discharges from the air side after the through-flow fan blade 103, and the air outlet from housing and drip tray 105 from air conditioner 106 discharges, thereby finishes the heating to air.
In the present embodiment owing to adopt the electric heater in the aforementioned part in the present embodiment, so improved the adjustable range of the heating capacity of whole air conditioner.
Because the characteristic of cross flow fan itself, side near panel 104 is main air intake district, electric heater is in the air inlet upstream of through-flow fan blade 103, so the zone of a side of close panel 104 is closer by air inlet 107, wind speed in this zone is bigger, preferably, the air conditioner in the present embodiment can adopt the electric heater in the prioritization scheme in the present embodiment, has improved the overall performance of air conditioner.
Air,, is discharged by the inlet side 1031 and the air side 1032 back air outlets 106 of through-flow fan blade 103 after entering into electric heater 1 and heating by evaporator by air inlet 107 back, thereby has finished the heating to air.
Embodiment two
Please refer to accompanying drawing 5, the cross-sectional structural representation of the electric heater that Fig. 5 provides for present embodiment.
The electric heater 2 that provides in the present embodiment, comprise two supports 21, near the first cover electric heating element 23 of the air inlet of air conditioner, near the second cover electric heating element 22 of the air outlet of air conditioner with near the 3rd cover electric heating element 24 of the through-flow fan blade of air conditioner, wherein:
The first cover electric heating element 23, the second cover electric heating element 22, the 3rd electric heating element 24 are arranged between two supports 21.
The first cover electric heating element 23, the second cover electric heating element 22 and the 3rd cover electric heating element 24 are provided in the electric heater 1 that provides in the present embodiment, compare with the electric heater that provides in the prior art with single electric heating element, the electric heater that provides in the present embodiment has increased the quantity of electric heating element, in the process of working, realize the more heating capacity adjusting of wide region of electric heater, satisfied the demand of different user the different heating capacity of air conditioner by changing the quantity of opening electric heating element.
In the electric heater that provides in the present embodiment, the first cover electric heating element 23, second overlaps electric heating element 22 and can be the identical electric heating element of power with the 3rd electric heating element 24, also can be the different electric heating element of power.
Particularly, the composition similar of the first cover electric heating element 13 that provides among first cover electric heating element 23 that provides in the present embodiment and the embodiment one, just the fin that adopts among Fig. 5 is a trapezium structure.Second cover electric heating element 22 and the 3rd electric heating element 24 all with embodiment one in the second cover electric heating element, 14 similar, above-mentioned first overlaps electric heating element 23, the 3rd electric heating element 24 and second concrete structure that overlaps electric heating element 22 does not repeat them here.Obviously, the structure of the fin of the above-mentioned first cover electric heating element 23, the second cover electric heating element 22 and the 3rd electric heating element 24 is not limited to the structure shown in the figure, can also be other structure.
In the practical work process of air conditioner, the wind speed of zones of different is inequality in the air conditioner, in order to improve the overall performance of whole air conditioner, the electric heater that provides in the present embodiment is designed to different structures at the zone of different wind speed with the electric heating element relative with this zone.The watt level of electric heating element and the surface area of its fin have bigger relation, the power height of the electric heating element that the power ratio fin area of the electric heating element that the fin area is big is little.
The above-mentioned first cover electric heating element 23 is positioned at the side near air inlet, because the wind speed in the close zone of air inlet is than higher, and away from the zone of panel, promptly lower near the wind speed in the zone of air outlet, in order to be implemented in the high zone of wind speed swiftly flowing air is carried out better heating, the area of dissipation of the first cover fin of the above-mentioned first cover electric heating element 23 is greater than the area of dissipation of the second cover fin of the second cover electric heating element 22, the first cover fin of the first cover electric heating element 23 adopts bigger area of dissipation to improve radiating efficiency, has realized swiftly flowing air is heated efficiently.And the second cover electric heating element 22 is owing to be in away from the lower position of panel wind speed, adopt less area of dissipation to get final product, the 3rd cover electric heating element 24 is because near through-flow fan blade, excessive and influence the noise of whole air conditioner in order to reduce its power, therefore the 3rd cover electric heating element 24 adopts the small power electric thermal element, adopts the less fin of area of dissipation.The area of dissipation of the first cover fin of the first cover electric heating element 23 is greater than the area of dissipation of the second cover fin of the second cover electric heating element 22, and the area of dissipation of the second cover fin of the second cover electric heating element 22 is greater than the area of dissipation of the 3rd fin of the 3rd electric heating element 24.
Particularly, the above-mentioned first cover electric heating element 23 can realize that the first cover fin has bigger area of dissipation by height, the wide cut that increases by the first cover fin.
Because area of dissipation is relevant with the power of electric heating element, so the above-mentioned first cover electric heating element 23 adopts the bigger fin of area of dissipation, improved the power when this first cover electric heating element 23 works independently, thereby realize the power regulating range of whole electric heater, and then realized the adjustable range of the heating capacity of whole electric heater.
Heating principle according to electric heater, the heating power of electric heating element is directly proportional with itself dissipation factor and surface temperature, and dissipation factor is directly proportional with the wind speed of process fin surface, because the second cover electric heating element 22 is near air outlet, wind speed in this zone is lower, in order to improve the power of the second cover electric heating element 22, the area of second fin of the above-mentioned second cover electric heating element 22 is little with respect to the area of dissipation of first fin of the first cover electric heating element 23, spacing between second fin of the second cover electric heating element 22 is greater than the spacing between first fin of the first cover electric heating element 23 simultaneously, i.e. second fin distribution of the second cover electric heating element 22 is more widened thin.The area of second fin of the above-mentioned second cover electric heating element 22 is less, and second distribute between the fin more widen thin, this kind structure has reduced the resistance of 22 pairs of air of the second cover electric heating element, guaranteed that to a certain extent wind speed was unlikely to low (with respect to first fin and the second identical situation of area of dissipation of overlapping second fin of electric heating element 22 of the first cover electric heating element 13), had improved the power of the second cover electric heating element 14.The heat radiating fin structure design of the above-mentioned first cover electric heating element 23 and the second cover electric heating element 22 makes each electric heating element can provide bigger power when working independently, and the power of electric heating element is provided, and then has enlarged the heating capacity adjustable range of electric heater.Because the 3rd electric heating element 24 is arranged on the air inlet side of through-flow fan blade, in order not influence the air intake of through-flow fan blade, the spacing between the 3rd fin of above-mentioned the 3rd electric heating element 24 is bigger.Particularly, spacing in the present embodiment between first fin of the first cover electric heating element 23 is less than the spacing between second fin of the second cover electric heating element 33, and the spacing between second fin of the described second cover electric heating element 22 is less than the distance between the 3rd fin of the 3rd electric heating element 24.
The wind speed size of the zones of different in the design consideration air conditioner of the above-mentioned first cover electric heating element 23, the second cover electric heating element 22 and the 3rd electric heating element 24 is carried out corresponding design, has optimized the overall performance of air conditioner.
Please refer to accompanying drawing 5, angle between the first cover electric heating element 23 that provides in the present embodiment and the longitudinal section of the second cover electric heating element 22 is 68 °, angle between the longitudinal section of the first cover electric heating element 23 and the second cover electric heating element 24 is 61 °, and the angle between the longitudinal section of the second cover electric heating element 22 and the 3rd cover electric heating element 24 is 51 °.Certainly the angle between the mutual longitudinal section of the above-mentioned first cover electric heating element 23, the second cover electric heating element 22 and the 3rd electric heating element 24 is not limited to this.
In the present embodiment, the vertical sectional shape of the fin of the first cover electric heating element 23 and the second cover electric heating element 22 is U type, rectangle or trapezoidal, and shape of cross section is rectangle; The vertical sectional shape of the fin of described the 3rd electric heating element 24 is a rectangle, and shape of cross section is a triangle.
Based on the electric heater that provides in the present embodiment, present embodiment also provides a kind of air conditioner with the electric heater in the foregoing description, please refer to accompanying drawing 7, this air conditioner comprises housing, air inlet 207, rear side evaporator 201, central evaporator 202, rear side evaporator, through-flow fan blade 203, drip tray 205 and panel 204, wherein: air inlet 207, rear side evaporator 201 and central evaporator 202, electric heater 2, through-flow fan blade 203 are successively set on the housing, and panel 204 is arranged on a side of housing.
The course of work of this air conditioner is: air-flow is through after passing rear side evaporator 201, central evaporator 202 behind the air inlet 207 and entering into electric heater 2 and heat, enter into the air inlet zone of the inlet side 2031 of through-flow fan blade 203, through 2032 discharges from the air side after the through-flow fan blade 203, and the air outlet from housing and drip tray 205 from air conditioner 206 discharges, thereby finishes the heating to air.
In the present embodiment owing to adopt the electric heater in the aforementioned part in the present embodiment, so improved the adjustable range of the heating capacity of whole air conditioner.
Because the characteristic of cross flow fan itself, side near panel 204 is main air intake district, electric heater is in the air inlet upstream of through-flow fan blade, so the wind speed in the zone of a side of close panel 204 is bigger, preferably, air conditioner in the present embodiment can adopt the electric heater in the prioritization scheme in the present embodiment, has improved the overall performance of air conditioner.
Just enumerated electric heating element in the foregoing description and be two and three s' situation, electric heating element in the above-mentioned electric heater can be any two kinds or three kinds of combinations of the first cover electric heating element, the second cover electric heating element and the 3rd cover electric heating element, and wherein the quantity separately of the first cover electric heating element, the second cover electric heating element and the 3rd cover electric heating element does not impose any restrictions in the utility model.
Just having enumerated electric heating element in the foregoing description is the situation of two covers and three covers, and the quantity of concrete electric heating element is not limited to this, can adjust according to actual user's demand.
The electric heater that the utility model embodiment provides not only is applied in the air-conditioning, can also be used in other the heater.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. an electric heater comprises two supports, it is characterized in that, is provided with two covers or the above electric heating element of two covers between described two supports.
2. electric heater according to claim 1 is characterized in that, described electric heating element comprises heat-generating pipe and the fin that is arranged on the described heat-generating pipe.
3. electric heater according to claim 2 is characterized in that, the vertical sectional shape of described fin is U type, rectangle or trapezoidal, and shape of cross section is a polygon.
4. electric heater according to claim 3 is characterized in that described electric heating element also comprises bound edge, and described bound edge is all or part of to surround on the described fin.
5. an air conditioner comprises any described electric heater among control circuit, housing and the aforesaid right requirement 2-4, and described housing is provided with air inlet and air outlet, and described electric heater places between described air inlet and the air outlet; It is characterized in that in the described electric heater, the electric heating element of close described air inlet is the first cover electric heating element, the electric heating element of close described air outlet is the second cover electric heating element; The described first cover electric heating element and the second cover electric heating element are connected to described control circuit respectively.
6. air conditioner according to claim 5 is characterized in that, the described first cover electric heating element comprises a plurality of electric heating elements, and the described second cover electric heating element comprises a plurality of electric heating elements.
7. air conditioner according to claim 6 is characterized in that, described first distance of overlapping between the electric heating element adjacent in the electric heating element is less than or equal to second distance of overlapping between the electric heating element adjacent in the electric heating element.
8. air conditioner according to claim 6 is characterized in that, described first distance of overlapping between the fin adjacent in the electric heating element is less than or equal to second distance of overlapping between the fin adjacent in the electric heating element.
9. air conditioner according to claim 6 is characterized in that, the area of dissipation of the fin of the described first cover electric heating element is more than or equal to the area of dissipation of the fin of the described second cover electric heating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201859940U CN202077199U (en) | 2011-06-03 | 2011-06-03 | Electric heater and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201859940U CN202077199U (en) | 2011-06-03 | 2011-06-03 | Electric heater and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202077199U true CN202077199U (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201859940U Expired - Lifetime CN202077199U (en) | 2011-06-03 | 2011-06-03 | Electric heater and air conditioner |
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| CN (1) | CN202077199U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104936320A (en) * | 2015-05-15 | 2015-09-23 | 珠海格力电器股份有限公司 | Electric auxiliary heating facility and air conditioner provided with same |
| CN105674502A (en) * | 2016-02-26 | 2016-06-15 | 珠海格力电器股份有限公司 | Air conditioner heating control circuit and method |
| CN107355975A (en) * | 2016-05-09 | 2017-11-17 | 珠海格力电器股份有限公司 | A kind of indoor apparatus of air conditioner with rotary heater structure and the air-conditioning with it |
| CN111140926A (en) * | 2019-12-23 | 2020-05-12 | 珠海格力电器股份有限公司 | Anti-condensation and anti-dripping cross-flow fan blade structure, control method and air conditioner |
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2011
- 2011-06-03 CN CN2011201859940U patent/CN202077199U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104936320A (en) * | 2015-05-15 | 2015-09-23 | 珠海格力电器股份有限公司 | Electric auxiliary heating facility and air conditioner provided with same |
| CN104936320B (en) * | 2015-05-15 | 2018-02-13 | 珠海格力电器股份有限公司 | The auxiliary thermal of electricity and there is its air conditioner |
| CN105674502A (en) * | 2016-02-26 | 2016-06-15 | 珠海格力电器股份有限公司 | Air conditioner heating control circuit and method |
| CN107355975A (en) * | 2016-05-09 | 2017-11-17 | 珠海格力电器股份有限公司 | A kind of indoor apparatus of air conditioner with rotary heater structure and the air-conditioning with it |
| CN111140926A (en) * | 2019-12-23 | 2020-05-12 | 珠海格力电器股份有限公司 | Anti-condensation and anti-dripping cross-flow fan blade structure, control method and air conditioner |
| CN111140926B (en) * | 2019-12-23 | 2021-09-24 | 格力电器（杭州）有限公司 | Anti-condensation and anti-dripping cross-flow fan blade structure, control method and air conditioner |
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