CN103388890B - Electric heater unit and air-conditioner - Google Patents
Electric heater unit and air-conditioner Download PDFInfo
- Publication number
- CN103388890B CN103388890B CN201210146218.9A CN201210146218A CN103388890B CN 103388890 B CN103388890 B CN 103388890B CN 201210146218 A CN201210146218 A CN 201210146218A CN 103388890 B CN103388890 B CN 103388890B
- Authority
- CN
- China
- Prior art keywords
- limit
- electric heater
- heater unit
- air
- mandarin
- 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.)
- Active
Links
Abstract
The present invention provides a kind of electric heater unit, adjacent with joint face enters stream interface owing to cooling fin part includes；The stream interface that enters of cooling fin part is inclined-plane, intersects in oblique angle with the centrage of heat-generating pipe.The present invention also provides for a kind of air-conditioner, and electric heater unit is positioned at the bending position side of vaporizer；Described electric heater unit is arranged on ventilation unit air intake region.Therefore, improve the heat radiating fin structure of electric heater unit, reduce the electric heater unit resistance to air-flow, reduce its interference noise to air-conditioner, reduce the rotational noise between the through-flow fan blade of ventilation unit and electric heater unit simultaneously, air conditioner heat-production noise total value reduces 2dB (A) left and right, improves the noiseproof feature of air-conditioner, and improves tonequality when air-conditioner runs.
Description
Technical field
The present invention relates to refrigeration and air-conditioning technical field, particularly relate to a kind of electric heater unit and air-conditioner.
Background technology
When heat pump air conditioner runs under heating condition, thus reached to indoor with extraneous heat exchange by heat exchanger
The purpose of environment heat supply, when outdoor temperature is relatively low, the heat exchange efficiency of heat exchanger reduces, and has influence on air-conditioner
The heating capacity of indoor set.Generally, in order to improve the air-conditioner heating effect when low temperature, air-conditioner increases
If a kind of PTC electric heater unit, because its side reaction coefficient is high, proof voltage performance is high, and ageing-resistant performance is high, mesh
Before be widely used in domestic air conditioning air conditioner indoor machine.Owing to air-conditioned wind tunnel being used for install electric heater unit
Narrow space, electric heater unit causes air-flow velocity and temperature distributing disproportionation as duct resistance parts
And produce noise.Specifically, such as Fig. 2,3,4, existing electric heater unit 10 include heat-generating pipe 101,
Cooling fin part 102 and reinforcing plate 103, reinforcing plate 103 is positioned at the outside of cooling fin part 102, fin
The transverse shape of 102 is rectangle, and indoor apparatus of air conditioner uses to roll over vaporizer 20 more, therefore fin portions
Part 102 enter plane of flow and many folding vaporizers 20 go out plane of flow there will necessarily be bigger angle, i.e. air-flow with
The fin of electric heater unit also exists the angle of attack that becomes a mandarin, and causes gas-flow resistance to increase, and heat transfer effect is the best and produces
Raw bigger pneumatic noise.What PTC electric heater unit produced when opening in addition heats noise, causes charged adding
The air-conditioner of thermal under heating condition noise compared with big and tonequality is poor.
It is to say, the heating capacity that heat pump air conditioner is when outdoor temperature is relatively low is the best, in order to improve air-conditioning
The device heating effect when low temperature, is additionally arranged electric heater unit in air-conditioner, but the unlatching meeting of electric heater unit
Increase air-conditioner heats noise, have impact on the noiseproof feature of complete machine, so improving the heat radiation of electric heater unit
Chip architecture and installation site are the key factors reducing air conditioner heat-production noise.
Summary of the invention
The technical problem to be solved is to provide a kind of electric heater unit, good effect of heat exchange, can drop
Noise when low air-conditioner runs, tonequality is improved.
Additionally, another technical problem to be solved by this invention is to provide a kind of air-conditioner, its electrical heating
The good effect of heat exchange of device, noise during operation reduces, and tonequality is improved.
The present invention is achieved through the following technical solutions:
Electric heater unit, includes heat-generating pipe and cooling fin part, and the medial surface of described cooling fin part is for even
Junction, is connected with the lateral wall of heat-generating pipe；Wherein, cooling fin part includes become a mandarin adjacent with joint face
Face；The stream interface that enters of cooling fin part is inclined-plane, intersects in oblique angle with the centrage of heat-generating pipe.
Further, the transverse section of described electric heater unit is flechette-type structure, it may be assumed that cooling fin part includes
There are the first fin unit and the second fin unit, lay respectively at the both sides of heat-generating pipe；Described first heat radiation
The transverse section of blade unit and the second fin unit is tetragon, has the outer side edges of transverse section with heat-generating pipe
The connection limit overlapped, the angle of become a mandarin limit and the heat-generating pipe adjacent with connecting limit is that θ, θ are less than 90 °.
Air-conditioner, includes vaporizer, ventilation unit and above-mentioned electric heater unit；Described vaporizer is many
Folding vaporizer, described electric heater unit is positioned at the bending position side of vaporizer；Described electric heater unit is arranged
In ventilation unit air intake region.
Beneficial effects of the present invention is as follows:
The electric heater unit of the present invention, adjacent with joint face enters stream interface owing to cooling fin part includes；Dissipate
The stream interface that enters of backing parts is inclined-plane, intersects in oblique angle with the centrage of heat-generating pipe.The air-conditioner of the present invention,
Electric heater unit is positioned at the bending position side of vaporizer；Described electric heater unit is arranged on ventilation unit air intake
Region.Therefore, improve the heat radiating fin structure of electric heater unit, reduce the electric heater unit resistance to air-flow
Power, reduces its interference noise to air-conditioner, reduces through-flow fan blade and the electrical heating of ventilation unit simultaneously
Rotational noise between device, air conditioner heat-production noise total value reduces 2dB (A) left and right, improves air-conditioner
Noiseproof feature, and improve tonequality when air-conditioner runs.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the electric heater unit of the present invention；
Fig. 2 is the vertical section structure schematic diagram of the electric heater unit of prior art；
Fig. 3 is the cross-sectional configuration schematic diagram of the electric heater unit of prior art；
Fig. 4 is prior art electric heater unit installation site schematic diagram in air-conditioner；
Fig. 5 is the cross-sectional configuration schematic diagram of the electric heater unit of the present invention；
Fig. 6 is the reinforcing plate structural representation of the electric heater unit of the present invention；
Fig. 7 is the electric heater unit of present invention installation site cross-sectional configuration schematic diagram in air-conditioner；
Fig. 8 is the heat-generating pipe cross-sectional configuration schematic diagram of the present invention；
Fig. 9 is the another kind of heat-generating pipe cross-sectional configuration schematic diagram of the present invention；
Figure 10 is the cross-sectional view of the electric heater unit another kind embodiment of the present invention.
Description of reference numerals:
10, electric heater unit, 20, vaporizer, 101, heat-generating pipe, 102, cooling fin part, 103, add
Strong plate, 104, support, 105, insulation fixed mount, 106, thermal fuse-link, 107, temperature limiter, 108, high
Temperature wire.
Detailed description of the invention
In order to solve the problems of the prior art, the present invention proposes a kind of electric heater unit, as it is shown in figure 5,
Including heat-generating pipe 101 and cooling fin part 102, the medial surface of described cooling fin part 102 is joint face,
It is connected with the lateral wall of heat-generating pipe 101；Wherein, cooling fin part 102 includes enter adjacent with joint face
Stream interface；The stream interface that enters of cooling fin part 102 is inclined-plane, intersects in oblique angle with the centrage of heat-generating pipe 101.
Further, the transverse section of described electric heater unit is flechette-type structure, it may be assumed that cooling fin part 102
Include the first fin unit and the second fin unit, lay respectively at the both sides of heat-generating pipe 101；Described
The transverse section of the first fin unit and the second fin unit is tetragon, has and the horizontal stroke of heat-generating pipe 101
The connection limit that the outer side edges of section connects, the angle of become a mandarin limit and the heat-generating pipe adjacent with connecting limit is that θ, θ are little
In 90 °.
Described heat-generating pipe 101 is heating aluminum pipe.
Such as Fig. 7, four limits respectively first of the transverse section of described first fin unit connect limit, first become a mandarin
Limit C1, the first outer side edges E1 and first go out to flow limit C2, and the first limit C1 and first that becomes a mandarin goes out to flow limit C2 respectively
Connecting limit with first adjacent, the first outer side edges E1 connects the first limit C1 and first that becomes a mandarin respectively and goes out to flow limit C2
Outer end points；Four limits respectively second of the transverse section of described second fin unit connect limit, second become a mandarin
Limit D1, the second outer side edges E2 and second go out to flow limit D2, and the second limit D1 and second that becomes a mandarin goes out to flow limit D2 and divides
Not adjacent with the second connection limit, the second outer side edges E2 connects the second limit D1 and second that becomes a mandarin respectively and goes out to flow limit D2
Outer end points.
First becomes a mandarin limit C1 and the angle theta 1 of the centrage of the aluminum pipe that generates heat, and scope is 5 °≤θ 1≤85 °.
Second becomes a mandarin limit D1 and the angle theta 2 of the centrage of the aluminum pipe that generates heat, and scope is 5 °≤θ 2≤85 °.
The first limit C1 and first that becomes a mandarin goes out to flow angle theta 3 scope of limit C2 and is, 0 °≤θ 3≤60 °.
The second limit D1 and second that becomes a mandarin goes out to flow angle theta 4 scope of limit D2 and is, 0 °≤θ 4≤60 °.
As it is shown in figure 1, electric heater unit also includes: be positioned at heat-generating pipe 101 and cooling fin part 102 left end
The support 104 in portion, be positioned at heat-generating pipe 101 and the insulation fixed mount 105 of cooling fin part 102 right part and
High temperature wire 108；High temperature wire 108 is electrically connected with heat-generating pipe 101.
Electric heater unit also includes: be arranged on the thermal fuse-link 106 in insulation fixed mount 105 and temperature limiter 107,
Thermal fuse-link 106 and temperature limiter 107 are electrically connected between high temperature wire 108 and heat-generating pipe 101.
As shown in Figure 6, the lateral surface of described cooling fin part 102 is provided with reinforcing plate 103, reinforcing plate 103
On be provided with multiple air vent.
The present invention also proposes a kind of air-conditioner, such as Fig. 7, for vaporizer 20, ventilation unit 30 and electrical heating
The cross-sectional configuration schematic diagram of device 10, includes vaporizer 20, ventilation unit 30 and above-mentioned electrical heating
Device 10；Described vaporizer 20 for roll over vaporizer more, and described electric heater unit 10 is positioned at the folding of vaporizer 20
Curved position side；Described electric heater unit 10 is arranged in ventilation unit 30 air intake region.
Ventilation unit 30 includes through-flow fan blade and spiral case, and the sidepiece of described spiral case is provided with snail tongue.
Vaporizer 20 has the first inner side edge A, and the first of the first fin unit becomes a mandarin limit C1 and vaporizer
The angular range of the first inner side edge A of 20 is 0 °～50 °；Vaporizer 20 has the second inner side edge B,
The second of second fin unit become a mandarin the angular range of limit D1 and vaporizer 20 second inner side edge B be 0 °～
50°。
For controlling interference noise, vaporizer 20 need to maintain a certain distance with electric heater unit 10, vaporizer
The first distance becoming a mandarin limit C1 of the first inner side edge A and electric heater unit 10 be L1, vaporizer 20
Second inner side edge B is L2, L1 and L2 and through-flow with the second distance becoming a mandarin limit D1 of electric heater unit 10
The ratio of fan blade exradius R is 0.05～0.4.
Meanwhile, for reducing the rotational noise between through-flow fan blade and electric heater unit, first goes out to flow limit C2 and the
Angle between two tangent lines going out to flow limit D2 and through-flow fan blade cylindrical camber line the near distance spot need to be the least, it is ensured that
, in order to avoid there is bigger pressure in the transition that when through-flow fan blade is rotated through near electric heater unit, air-flow can be shallower
Power is pulsed and is caused rotational noise.That is, first goes out to flow limit C2 and second goes out to flow limit D2 and through-flow fan blade cylindrical
Angle between the tangent line of camber line the near distance spot is 0 °～30 °.
Also need to maintain a certain distance L3 between electric heater unit 10 and through-flow fan blade, electric heater unit 10 with
Distance L3 between through-flow fan blade is not less than the minimum between snail tongue and through-flow fan blade and spiral case and through-flow fan blade
Gap, makes electric heater unit not become main rotational noise source.
Embodiment one:
Embodiment accompanying drawings is as follows:
As it is shown in figure 5, the fin cross-sectional design of electric heater unit becomes arrow type cross section, wherein fin is horizontal
Section be with heating aluminum pipe angle be the tetragon of θ.
First becomes a mandarin limit C1 and the angle theta 1 of the centrage of the aluminum pipe that generates heat, and θ 1 is 60 °.
Second becomes a mandarin limit D1 and the angle theta 2 of the centrage of the aluminum pipe that generates heat, and θ 2 is 60 °.
First becomes a mandarin, and to go out to flow the angle theta 3 of limit C2 be 10 ° to limit C1 and first.
Second becomes a mandarin, and to go out to flow the angle theta 4 of limit D2 be 10 ° to limit D1 and second.
The angle and the of the first inner side edge A of limit C1 and vaporizer as it is shown in fig. 7, fin first becomes a mandarin
Two angles becoming a mandarin limit D1 and the second inner side edge B sending out device 20 are 7 °, make the air-flow flowed out by vaporizer
With the less angle of attack through electric heater unit, thus reduce the electric heater unit resistance to air-flow, reduce electricity and add
The interference noise of thermal.Vaporizer maintains a certain distance with electric heater unit, L1 and L2 and through-flow wind
The ratio of leaf exradius R is 0.12.
Meanwhile, for reducing the rotational noise between through-flow fan blade and electric heater unit, the first of electric heater unit
Go out to flow limit C2 and second and go out to flow the angle between the tangent line of limit D2 and its nearest through-flow fan blade cylindrical camber line to the greatest extent
Measure little, it is ensured that the transition that when fan blade is rotated through near electric heater unit, air-flow can be shallower, in order to avoid occurring relatively
Big pressure fluctuation and cause rotational noise, also need between electric heater unit and through-flow fan blade to keep certain away from
From L3, wherein L3 should not less than indoor apparatus of air conditioner snail tongue and through-flow fan blade and spiral case and through-flow fan blade it
Between minimum clearance, make electric heater unit not become main rotational noise source.
The heat radiating fin structure of this electric heater unit reduces the electric heater unit resistance to air-flow, makes electrical heating fill
Put heat exchange more fully, thus reduce the electric heater unit interference noise to air-flow under heating condition, simultaneously
Ensure that the rotational noise between through-flow fan blade and electric heater unit is little, complete machine heated influence of noise less,
Improve air-conditioner heats noiseproof feature.
The electric heater unit structural change of the present invention transverse shape of original electric heater unit, rectangle is cross-section
Flechette-type transverse section is made in face into, and wherein fin transverse section is the tetragon being with heating aluminum pipe angle, heat radiation
The first of sheet transverse section limit C1 and the second limit D1 that becomes a mandarin that becomes a mandarin is respectively designed to go out to flow limit A and B with vaporizer
There is less angle, so that air-flow enters electric heater unit without the angle of attack, reduce gas-flow resistance, Er Qie
One goes out to flow limit C2 and second goes out to flow and keeps relatively between the tangent line of limit D2 and its nearest through-flow fan blade cylindrical camber line
Little angle, the transition that when making fan blade be rotated through near electric heater unit, air-flow can be shallower, optimize simultaneously and set
Meter electric heater unit and the relative installation of air-conditioner, improve air conditioner heat-production noiseproof feature.
The heat radiating fin structure of this electric heater unit reduces the electric heater unit resistance to air-flow, makes electrical heating fill
Put heat exchange more fully, thus reduce the electric heater unit interference noise to air-flow under heating condition, simultaneously
Ensure that the rotational noise between through-flow fan blade and electric heater unit is little, complete machine heated influence of noise less,
Improve air-conditioner heats noiseproof feature.
By experiment, obtain following result:
The experimental data contrast of two kinds of electric heater units installed by air-conditioner
Therefore, the heat radiating fin structure of electric heater unit of the present invention, reduce the electric heater unit resistance to air-flow,
Reduce its interference noise to air-conditioner, reduce the rotation between through-flow fan blade and electric heater unit simultaneously
Noise, air conditioner heat-production noise total value reduces 2dB (A) left and right, improves the noiseproof feature of air-conditioner.
Embodiment two:
The present embodiment is with embodiment one difference, and first becomes a mandarin limit C1 and the centrage of the aluminum pipe that generates heat
Angle theta 1, θ 1 is 50 °.
Second becomes a mandarin limit D1 and the angle theta 2 of the centrage of the aluminum pipe that generates heat, and θ 2 is 70 °.
First becomes a mandarin, and to go out to flow the angle theta 3 of limit C2 be 8 ° to limit C1 and first.
Second becomes a mandarin, and to go out to flow the angle theta 4 of limit D2 be 5 ° to limit D1 and second.
The angle and the of the first inner side edge A of limit C1 and vaporizer as it is shown in fig. 7, fin first becomes a mandarin
Two angles becoming a mandarin limit D1 and the second inner side edge B sending out device 20 are 15 °, make the gas flowed out by vaporizer
Flow with the less angle of attack through electric heater unit, thus reduce the electric heater unit resistance to air-flow, reduce electricity
The interference noise of heater.Vaporizer maintains a certain distance with electric heater unit, L1 and L2 and through-flow
The ratio of fan blade exradius R is 0.32.
As shown in Figure 8, Figure 9, the two ends of described heat-generating pipe 101 use male type or inner concave shape structure.
Such as Figure 10, in order to increase radiating effect, electric heater unit includes heat-generating pipe 101 and cooling fin part
102, eliminate the reinforcing plate of the lateral surface of cooling fin part.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention, electric heater unit described in the invention
Heat radiating fin structure and include but not limited to technical scheme described above with the position relationship of air-conditioner.Should
When it is noted that for the person of ordinary skill of the art, without departing from the inventive concept of the premise,
Can also make some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the present invention is special
The protection domain of profit should be as the criterion with claims.
Claims (16)
1. electric heater unit, includes heat-generating pipe and cooling fin part, and the medial surface of described cooling fin part is
Joint face, is connected with the lateral wall of heat-generating pipe；It is characterized in that, cooling fin part includes and joint face phase
Adjacent enters stream interface；The stream interface that enters of cooling fin part is inclined-plane, intersects in oblique angle with the centrage of heat-generating pipe；Institute
The transverse section stating electric heater unit is flechette-type structure, it may be assumed that cooling fin part include the first fin unit and
Second fin unit, lays respectively at the both sides of heat-generating pipe；Described first fin unit and the second fin
The transverse section of unit is tetragon, has the connection limit that the outer side edges of the transverse section with heat-generating pipe is connected, with company
What edge fit was adjacent become a mandarin limit is that θ, θ are less than 90 ° with the angle of heat-generating pipe.
Electric heater unit the most according to claim 1, it is characterised in that described heat-generating pipe is heating aluminum
Pipe.
Electric heater unit the most according to claim 2, it is characterised in that described first fin unit
Four limits respectively first of transverse section connect limit, first become a mandarin limit (C1), the first outer side edges (E1) and the
One goes out to flow limit (C2), and first limit (C1) and first that becomes a mandarin goes out to flow limit (C2) and is connected limit phase with first respectively
Neighbour, the first outer side edges (E1) connects first limit (C1) and first that becomes a mandarin respectively and goes out to flow the outer end of limit (C2)
Point；Four limits respectively second of the transverse section of described second fin unit connect limit, second become a mandarin limit (D1),
Second outer side edges (E2) and second goes out to flow limit (D2), and second limit (D1) and second that becomes a mandarin goes out to flow limit (D2)
Connecting limit with second respectively adjacent, the second outer side edges (E2) connects second respectively and becomes a mandarin limit (D1) and second
Go out to flow the outer end points on limit (D2).
Electric heater unit the most according to claim 3, it is characterised in that described first becomes a mandarin limit (C1)
With the angle theta 1 of the centrage of heating aluminum pipe, scope is 5 °≤θ 1≤85 °.
Electric heater unit the most according to claim 3, it is characterised in that described second becomes a mandarin limit (D1)
With the angle theta 2 of the centrage of heating aluminum pipe, scope is 5 °≤θ 2≤85 °.
Electric heater unit the most according to claim 3, it is characterised in that described first becomes a mandarin limit (C1)
Angle theta 3 scope going out to flow limit (C2) with first is, 0 °≤θ 3≤60 °.
Electric heater unit the most according to claim 3, it is characterised in that described second becomes a mandarin limit (D1)
Angle theta 4 scope going out to flow limit (D2) with second is, 0 °≤θ 4≤60 °.
Electric heater unit the most according to claim 3, it is characterised in that also include: be positioned at heat-generating pipe
With the support of cooling fin part left part, be positioned at the insulation fixed mount of heat-generating pipe and cooling fin part right part with
And high temperature wire；High temperature wire is electrically connected with heat-generating pipe.
Electric heater unit the most according to claim 8, it is characterised in that also include: be arranged on insulation
Thermal fuse-link in fixed mount and temperature limiter, thermal fuse-link and temperature limiter are electrically connected to high temperature wire and heating
Guan Jian.
Electric heater unit the most according to claim 3, it is characterised in that described cooling fin part
Lateral surface is provided with reinforcing plate, and reinforcing plate is provided with multiple air vent.
11. air-conditioners, it is characterised in that include vaporizer, ventilation unit and as claim 3 to
Electric heater unit in any of the one of 10；Described vaporizer for roll over vaporizer, described electric heater unit more
It is positioned at the bending position side of vaporizer；Described electric heater unit is arranged in ventilation unit air intake region.
12. air-conditioners according to claim 11, it is characterised in that described ventilation unit includes and passes through
Stream fan blade and spiral case, the sidepiece of described spiral case is provided with snail tongue.
13. air-conditioners according to claim 12, it is characterised in that in described vaporizer has first
Side (A), the first of the first fin unit becomes a mandarin first inner side edge (A) of limit (C1) and vaporizer
Angular range be 0 °～50 °；Vaporizer has the second inner side edge (B), the of the second fin unit
Two angular range becoming a mandarin limit (D1) and vaporizer the second inner side edge (B) are 0 °～50 °.
14. air-conditioners according to claim 12, it is characterised in that inside the first of described vaporizer
Limit (A) is L1 with the first distance becoming a mandarin limit (C1) of electric heater unit, the second inner side edge of vaporizer
(B) the second distance becoming a mandarin limit (D1) with electric heater unit is outside L2, L1 and L2 and through-flow fan blade
The ratio of radius of circle R is 0.05～0.4.
15. air-conditioners according to claim 12, it is characterised in that described first goes out to flow limit (C2)
And second go out to flow the angle between the tangent line of limit (D2) and through-flow fan blade cylindrical camber line the near distance spot be 0 °～
30°。
16. air-conditioners according to claim 12, it is characterised in that described electric heater unit and through-flow
Between distance L3 between fan blade is not less than the minimum between snail tongue and through-flow fan blade and spiral case and through-flow fan blade
Gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210146218.9A CN103388890B (en) | 2012-05-11 | 2012-05-11 | Electric heater unit and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210146218.9A CN103388890B (en) | 2012-05-11 | 2012-05-11 | Electric heater unit and air-conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103388890A CN103388890A (en) | 2013-11-13 |
| CN103388890B true CN103388890B (en) | 2016-12-14 |
Family
ID=49533242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210146218.9A Active CN103388890B (en) | 2012-05-11 | 2012-05-11 | Electric heater unit and air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103388890B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906595A (en) * | 2017-10-20 | 2018-04-13 | 青岛海尔空调器有限总公司 | The air conditioner of variable-angle electric heating controlling method and application this method |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791911B (en) * | 2015-04-09 | 2017-08-15 | 广东美的制冷设备有限公司 | Air conditioner |
| CN107477679A (en) * | 2017-08-25 | 2017-12-15 | 珠海凌达压缩机有限公司 | A kind of indoor apparatus of air conditioner and air conditioner |
| CN107975914B (en) * | 2017-10-20 | 2020-04-24 | 青岛海尔空调器有限总公司 | Electric heating control method |
| CN107940750B (en) * | 2017-10-20 | 2020-05-29 | 青岛海尔空调器有限总公司 | Electric heating device and air conditioner |
| CN108168059A (en) * | 2018-03-20 | 2018-06-15 | 广东美的制冷设备有限公司 | Air conditioner |
| CN108916990B (en) * | 2018-05-22 | 2020-11-24 | 海信（广东）空调有限公司 | Air conditioner indoor unit and air conditioner |
| CN110966715B (en) * | 2019-11-12 | 2021-06-18 | 珠海格力电器股份有限公司 | Rotation control method, system and device for electric heater of air conditioner and application |
| CN111306647B (en) * | 2020-03-30 | 2024-03-08 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN112503774B (en) * | 2020-11-02 | 2022-04-22 | 青岛经济技术开发区海尔热水器有限公司 | Control method of gas water heater, gas water heater and readable storage medium |
| CN113154689B (en) * | 2020-12-01 | 2022-11-15 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
| CN115218255B (en) * | 2021-04-21 | 2024-01-05 | 广东美的环境电器制造有限公司 | Air supply device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372599Y (en) * | 1999-04-02 | 2000-04-05 | 海尔集团公司 | Indoor air conditioner with auxiliary heating device |
| CN2420542Y (en) * | 2000-03-18 | 2001-02-21 | 广东美的集团股份有限公司 | Indoor machine of split wall air conditioner |
| CN1521460A (en) * | 2003-02-13 | 2004-08-18 | 松下电器产业株式会社 | Separated air-conditioner |
| CN2687562Y (en) * | 2004-01-17 | 2005-03-23 | 广东美的集团股份有限公司 | Heat exchanger for air conditioner |
| CN101469887A (en) * | 2007-12-27 | 2009-07-01 | Tcl集团股份有限公司 | Air conditioner |
| CN201726547U (en) * | 2010-06-02 | 2011-01-26 | 珠海格力电器股份有限公司 | Electric heater for indoor machine of air conditioner |
| CN202630322U (en) * | 2012-05-11 | 2012-12-26 | 珠海格力电器股份有限公司 | Electric heating device and air conditioner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2641972Y (en) * | 2003-09-04 | 2004-09-15 | 郜长福 | Tube-shape PTC heater |
| JP2008071553A (en) * | 2006-09-13 | 2008-03-27 | Calsonic Kansei Corp | Electrical heater apparatus, and its manufacturing method |
| CN202145686U (en) * | 2011-06-15 | 2012-02-15 | 上海华族实业有限公司 | Self-buckling electric heater |
-
2012
- 2012-05-11 CN CN201210146218.9A patent/CN103388890B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372599Y (en) * | 1999-04-02 | 2000-04-05 | 海尔集团公司 | Indoor air conditioner with auxiliary heating device |
| CN2420542Y (en) * | 2000-03-18 | 2001-02-21 | 广东美的集团股份有限公司 | Indoor machine of split wall air conditioner |
| CN1521460A (en) * | 2003-02-13 | 2004-08-18 | 松下电器产业株式会社 | Separated air-conditioner |
| CN2687562Y (en) * | 2004-01-17 | 2005-03-23 | 广东美的集团股份有限公司 | Heat exchanger for air conditioner |
| CN101469887A (en) * | 2007-12-27 | 2009-07-01 | Tcl集团股份有限公司 | Air conditioner |
| CN201726547U (en) * | 2010-06-02 | 2011-01-26 | 珠海格力电器股份有限公司 | Electric heater for indoor machine of air conditioner |
| CN202630322U (en) * | 2012-05-11 | 2012-12-26 | 珠海格力电器股份有限公司 | Electric heating device and air conditioner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906595A (en) * | 2017-10-20 | 2018-04-13 | 青岛海尔空调器有限总公司 | The air conditioner of variable-angle electric heating controlling method and application this method |
| CN107906595B (en) * | 2017-10-20 | 2020-08-04 | 青岛海尔空调器有限总公司 | Variable angle electric heating control method and air conditioner applying same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103388890A (en) | 2013-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103388890B (en) | Electric heater unit and air-conditioner | |
| US20130023194A1 (en) | Indoor Unit of Air Conditioner | |
| CN105674432A (en) | Air conditioning outdoor unit | |
| WO2016071953A1 (en) | Indoor unit for air conditioning device | |
| CN202630322U (en) | Electric heating device and air conditioner | |
| CN204358949U (en) | A kind of vertical cold and warm air heating radiator | |
| CN104716399A (en) | Battery for vehicle | |
| CN104456761A (en) | Air conditioner outdoor unit and air conditioner | |
| WO2024060554A1 (en) | Air conditioner indoor unit and air conditioner | |
| CN213808156U (en) | Fan device and air condensing units | |
| CN103388891B (en) | Electric heater unit and air-conditioner | |
| CN104613642A (en) | Vertical warm air unit | |
| CN205002333U (en) | Fuel cell is air conditioning unit for vehicle | |
| CN204534883U (en) | A kind of air-conditioner outdoor unit and air-conditioning | |
| CN106288913B (en) | A kind of fin-tube type heat exchanger and air conditioner indoor unit | |
| CN109813146A (en) | Fin, heat exchanger and air-conditioner outdoor unit for heat exchanger | |
| CN213808152U (en) | Fan device and air condensing units | |
| CN213808155U (en) | Fan device and air condensing units | |
| CN213808153U (en) | Fan device and air condensing units | |
| CN111981566B (en) | Fan and air conditioner indoor unit | |
| CN202561975U (en) | Electric heating device and air conditioner | |
| CN209214004U (en) | A kind of air-conditioner outdoor unit and air conditioner | |
| CN109114690A (en) | A kind of air-conditioner outdoor unit and air conditioner | |
| CN206226915U (en) | The air-cooled radiating device of half water-cooled half | |
| CN205909472U (en) | Machine in aviation baffle and air conditioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |