CN204757136U - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
- Publication number
- CN204757136U CN204757136U CN201520384123.XU CN201520384123U CN204757136U CN 204757136 U CN204757136 U CN 204757136U CN 201520384123 U CN201520384123 U CN 201520384123U CN 204757136 U CN204757136 U CN 204757136U
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- CN
- China
- Prior art keywords
- heat exchanger
- heating device
- electric heating
- air conditioner
- flow fan
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Links
- 238000005485 electric heating Methods 0.000 claims description 47
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000005494 condensation Effects 0.000 abstract description 19
- 238000009833 condensation Methods 0.000 abstract description 19
- 238000007664 blowing Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 13
- 239000000779 smoke Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The utility model discloses an air conditioner indoor unit, including indoor heat exchanger and cross flow fan to and the electric auxiliary heater of setting between indoor heat exchanger and cross flow fan, electric auxiliary heater sets up in the impeller department that is close to cross flow fan, and is located cross flow fan spiral case and indoor heat exchanger's boundary area. The utility model discloses a set up electric auxiliary heater at cross-flow fan spiral case and indoor heat exchanger's boundary region, be close to the second heat exchanger promptly, one side that air humidity is less relatively makes electric auxiliary heater and second heat exchanger's installation angle be-20 moreover < 20, can guarantee the production condensation that can not be obvious on electric auxiliary heater, can not cause the indoor set phenomenon of blowing to appear, reduced the potential safety hazard.
Description
Technical field
The utility model relates to field of air conditioning, particularly relates to a kind of air conditioner room unit with electric heating device.
Background technology
Air-conditioner is as a kind of temperature-adjusting device, and along with the reduction of winter temperature, its heating capacity had also can reduce gradually.Generally for the shortcoming making up heating capacity difference at low temperatures, electric auxiliary heating device electric auxiliary heating device can be set up can change caloric value according to the size of the change of room temperature and indoor set air quantity in air conditioner room unit, thus regulate indoor temperature rightly, reach rapid, the powerful object heated.
The air conditioner room unit of electric auxiliary heating device is set at present, as shown in Figure 1, electric auxiliary heating device is mounted in the middle of the delta-shaped region that evaporator fin and cross flow fan are formed, cross flow fan operationally can form an eccentric vortex, under effect is dragged in the suction of eccentric vortex, different with rear side intake velocity on front side of evaporimeter, dehumidify when causing air to flow through evaporimeter uneven.Be greater than posterior region b near the temperature of front area a and relative humidity, do not carry out abundant heat exchange and dehumidify just entering into inside with the fin of evaporimeter and copper pipe so flow through air on front side of evaporimeter, its temperature and water capacity higher; And on rear side of evaporimeter air because of flow velocity slow, obtain sufficient dehumidifying when flowing through evaporimeter, enter inner after air themperature and water capacity lower.And as can be known from Fig. 1, electric auxiliary heating device is just positioned at cold-hot wind intersection, cause electric auxiliary heating device upper and lower both sides temperature distributing disproportionation, and the cold air that the higher hot-air of water capacity runs into water capacity lower very easily forms condensation water, and electric auxiliary heating device to be condensation water provide that attachment is local, so very serious at electric auxiliary heating device upper surface dew condensation phenomenon, and indoor set can be caused to occur blowing water phenomenon when condensation on it is serious, there is potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of air conditioner room unit, can reduce the generation of condensation on the electric heating device in it, avoids causing indoor set to occur blowing water phenomenon, reduces potential safety hazard.
For reaching this object, the utility model is by the following technical solutions: a kind of air conditioner room unit, comprise indoor heat exchanger and cross flow fan, and the electric heating device between heat exchanger disposed in the interior and cross flow fan, described electric heating device is arranged on the impeller place near cross flow fan, and is positioned at the juncture area of cross flow fan spiral case and indoor heat exchanger.
As preferably, described indoor heat exchanger comprises the First Heat Exchanger and the second heat exchanger be positioned near rear board that are positioned near front panel, and described electric heating device is-20 ° of < δ < 20 ° relative to the setting angle of the second heat exchanger.
As preferably, described electric heating device cross sectional shape is oval.
As preferably, the major axis of described ellipse and the centerline parallel of the second heat exchanger are arranged.
As preferably, the longitudinal axis L of described ellipse
1with minor axis L
2length ratio be 1.4 < L
1/ L
2< 1.8.
As preferably, the longitudinal end of described electric heating device is provided with reinforcement.
As preferably, described electric heating device is-10 ° of < δ < 10 ° relative to the setting angle of the second heat exchanger.
As preferably, the bottom of described electric heating device is to the distance d of described impeller
1for 10mm≤d
1≤ 15mm, near the distance d of side to the second heat exchanger of the second heat exchanger
2for 10mm≤d
2≤ 20mm.
As preferably, the bottom of described electric heating device is to the distance d of described impeller
1for 10mm, near the distance d of side to the second heat exchanger of the second heat exchanger
2for 12mm.
As preferably, the shape distribution triangular in shape of the region between described indoor heat exchanger and cross flow fan.
The beneficial effects of the utility model:
1, by electric heating device being arranged on the juncture area of cross flow fan spiral case and indoor heat exchanger, namely near the second heat exchanger, the side that air humidity is relatively little, and make the setting angle of electric heating device and the second heat exchanger for-20 ° of < δ < 20 °, can ensure significantly can not produce condensation on electric heating device, indoor set can not be caused to occur blowing water phenomenon, reduce potential safety hazard.
2, the cross sectional shape of electric heating device is arranged to ellipse, the absorption affinity that electric heating device produces condensation water place can be reduced, be conducive to preventing condensation water from condensing; Add the front face area of electric heating device relative evaporation device simultaneously, be conducive to heat exchange during electrical heating.
Accompanying drawing explanation
Fig. 1 is the structural representation of the air conditioner room unit that background technology of the present utility model is mentioned;
Fig. 2 is overall structure schematic diagram of the present utility model;
Fig. 3 is the I place enlarged diagram of the utility model Fig. 2;
In figure:
1, First Heat Exchanger; 2, the second heat exchanger; 3, electric heating device; 4, impeller; 5, front panel; 6, rear board; A, front area; B, posterior region.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of air conditioner room unit in prior art, as can be seen from the figure, electric heating device in it is the center position being arranged on evaporimeter two fins, this position is just positioned at the cold-hot wind intersection that two fin places enter, therefore can produce a large amount of condensations on electric heating device, dew condensation phenomenon very seriously causes the existence of potential safety hazard.
Therefore, based on above-mentioned problem, the utility model provides a kind of air conditioner room unit, as shown in Figure 2, this indoor set comprises indoor heat exchanger and cross flow fan, and the electric heating device 3 between heat exchanger disposed in the interior and cross flow fan, electric heating device 3 is arranged on impeller 4 place near cross flow fan, and is positioned at the juncture area of cross flow fan spiral case and indoor heat exchanger.Wherein indoor heat exchanger comprises the First Heat Exchanger 1 and the second heat exchanger 2 be positioned near rear board 6 that are positioned near front panel 5, a space is formed between this two heat exchangers and impeller 4 of cross flow fan, the shape distribution triangular in shape of this space, electric heating device 3 is arranged in this space; Electric heating device 3 is arranged on the juncture area of cross flow fan spiral case and indoor heat exchanger, is namely arranged in the posterior region b in Fig. 1 position, relatively low and uniform humidity in it, cold-hot wind can be avoided to cross the formation of the condensation caused.
In the present embodiment, be-20 ° of < δ < 20 ° by electric heating device 3 relative to the setting angle of the second heat exchanger 2, can ensure that the condensation on electric heating device 3 there will not be or a small amount of appearance, can not impact whole indoor set, reduce potential safety hazard.
More preferred, electric heating device 3 can be set to-10 ° of < δ < 10 ° relative to the setting angle of the second heat exchanger 2.When δ is-10 °, the left side upper position of electric heating device 3 is equipped with a small amount of water droplet and generates, and all the other positions only have one deck water smoke; Same when δ is 10 °, the upside of electric heating device 3 has a large amount of fine liquid particles to generate, and does not drip, has water smoke to generate on the downside of PTC.If when exceeding-10 ° and 10 °, condensation then can be relatively many, are unfavorable for the operation of whole indoor set, therefore setting angle are preferably set to-10 ° of < δ < 10 °.
In the present embodiment, the cross sectional shape of electric heating device 3 is oval, can reduce the absorption affinity that electric heating device 3 produces condensation water place, be conducive to the cohesion preventing condensation water; Add the front face area of electric heating device 3 relative evaporation device simultaneously, be conducive to heat exchange during electrical heating.Further, the number of degrees of oval long axis and the centerlines of two fins are-10 ° of < δ < 10 °.
As preferred technical scheme, the major axis of electric heating device 3 ellipse and the centerline parallel of the second heat exchanger arrange by the utility model, i.e. δ=0 °, are in electric heating device 3 under parastate in use, its both side surface does not have the globule, only has tiny water smoke; PTC condensation is not obvious, and electric heating device 3 is in best position state.
In the present embodiment, the longitudinal axis L of electric heating device 3 oval structure
1with minor axis L
2length ratio be 1.4 < L
1/ L
2< 1.8, is conducive to preventing condensation from producing, and is also conducive to heat exchange during electrical heating simultaneously.In order to improve the structural strength of electric heating device 3, reinforcement can also be set in the longitudinal end of electric heating device.
In the present embodiment, as shown in Figure 3, the bottom (concrete be certain point of the lowermost end) of electric heating device 3 is to the distance d of impeller 4
1for: 10mm≤d
1≤ 15mm, is preferably 10mm, near the distance d of side to the second heat exchanger 2 of the second heat exchanger 2
2for 10mm≤d
2≤ 20mm, is preferably 12mm.Concrete, can select according to indoor machine structure and under the prerequisite ensureing security appliance, and then when installing electric heating device 3, can ensure that its setting angle meets the requirements, preventing the appearance of condensation.
Obviously, above-described embodiment of the present utility model is only used to clearly demonstrate the utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (10)
1. an air conditioner room unit, comprise indoor heat exchanger and cross flow fan, and the electric heating device (3) between heat exchanger disposed in the interior and cross flow fan, it is characterized in that, described electric heating device (3) is arranged on impeller (4) place near cross flow fan, and is positioned at the juncture area of cross flow fan spiral case and indoor heat exchanger.
2. air conditioner room unit according to claim 1, it is characterized in that, described indoor heat exchanger comprises the First Heat Exchanger (1) being positioned at close front panel (5) and the second heat exchanger (2) be positioned near rear board (6), and described electric heating device (3) is-20 ° of < δ < 20 ° relative to the setting angle of the second heat exchanger (2).
3. air conditioner room unit according to claim 2, is characterized in that, described electric heating device (3) cross sectional shape is oval.
4. air conditioner room unit according to claim 3, is characterized in that, the major axis of described ellipse and the centerline parallel of the second heat exchanger (2) are arranged.
5. air conditioner room unit according to claim 3, is characterized in that, the longitudinal axis L of described ellipse
1with minor axis L
2length ratio be 1.4 < L
1/ L
2< 1.8.
6. air conditioner room unit according to claim 5, is characterized in that, the longitudinal end of described electric heating device (3) is provided with reinforcement.
7. air conditioner room unit according to claim 2, is characterized in that, described electric heating device (3) is-10 ° of < δ < 10 ° relative to the setting angle of the second heat exchanger (2).
8. air conditioner room unit according to claim 2, is characterized in that, the bottom of described electric heating device (3) is to the distance d of described impeller (4)
1for 10mm≤d
1≤ 15mm, near the distance d of side to the second heat exchanger (2) of the second heat exchanger (2)
2for 10mm≤d
2≤ 20mm.
9. air conditioner room unit according to claim 8, is characterized in that, the bottom of described electric heating device (3) is to the distance d of described impeller (4)
1for 10mm, near the distance d of side to the second heat exchanger (2) of the second heat exchanger (2)
2for 12mm.
10. air conditioner room unit according to claim 1, is characterized in that, the shape distribution triangular in shape of the region between described indoor heat exchanger and cross flow fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520384123.XU CN204757136U (en) | 2015-06-05 | 2015-06-05 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520384123.XU CN204757136U (en) | 2015-06-05 | 2015-06-05 | Indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204757136U true CN204757136U (en) | 2015-11-11 |
Family
ID=54471839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520384123.XU Active CN204757136U (en) | 2015-06-05 | 2015-06-05 | Indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204757136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910235A (en) * | 2016-04-28 | 2016-08-31 | 合肥美的暖通设备有限公司 | Air duct type air conditioner and control method and control device thereof |
| CN111829065A (en) * | 2020-07-16 | 2020-10-27 | 格力电器（武汉）有限公司 | Heating structure and air conditioner |
-
2015
- 2015-06-05 CN CN201520384123.XU patent/CN204757136U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910235A (en) * | 2016-04-28 | 2016-08-31 | 合肥美的暖通设备有限公司 | Air duct type air conditioner and control method and control device thereof |
| CN105910235B (en) * | 2016-04-28 | 2018-12-28 | 合肥美的暖通设备有限公司 | Air pipe type air-conditioner and its control method and control device |
| CN111829065A (en) * | 2020-07-16 | 2020-10-27 | 格力电器（武汉）有限公司 | Heating structure and air conditioner |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |