CN108397892B - Volute, fan and air conditioner - Google Patents
Volute, fan and air conditioner Download PDFInfo
- Publication number
- CN108397892B CN108397892B CN201810435485.5A CN201810435485A CN108397892B CN 108397892 B CN108397892 B CN 108397892B CN 201810435485 A CN201810435485 A CN 201810435485A CN 108397892 B CN108397892 B CN 108397892B
- Authority
- CN
- China
- Prior art keywords
- air conditioner
- volute
- wall
- air
- section
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000007704 transition Effects 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Abstract
The invention provides a volute, a fan with the volute and an air conditioner with the fan. The wind guide wall of spiral case has inwards convex protruding section, can make the unable exhaust air conditioner's of deposit evaporimeter comdenstion water of too dark unable exhaust air conditioner back flow to the air-out wind channel along the inner wall of wind guide wall, prevents effectively that the evaporimeter comdenstion water from blowing in indoor to promote customer experience, avoid arousing the inside electrical safety hidden danger of air conditioner simultaneously, make the life of air conditioner prolong greatly, and the simple structure of spiral case, processing technology is also simple.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a volute, a fan with the volute and an air conditioner with the fan.
Background
An Air Conditioner (Air Conditioner) is a process of manually adjusting and controlling parameters such as temperature, humidity, cleanliness, speed, etc. of Air in a building/structure.
The low-noise window machine is used as an integral air conditioner, is different from the traditional common window machine, and the indoor side of the low-noise window machine adopts the cross-flow fan blade, thereby being beneficial to reducing the indoor side noise of the whole machine. The indoor side air duct and the evaporator are placed on the water receiving disc, and condensed water on the evaporator drops to the water receiving disc along the fins when the whole machine runs, and is discharged outdoors through the water receiving disc after being collected by the water receiving disc. After the whole machine is used for a long time, the water outlet of the water receiving disc is possibly blocked by dust and impurities, at the moment, condensed water deposited on the water receiving disc can flow back to the air outlet along the inner wall of the indoor air duct under the action of the adsorption force of the indoor cross-flow fan blade, and then the condensed water is blown into a room, so that unnecessary electrical potential safety hazards are caused, and meanwhile, the customer experience is reduced.
Disclosure of Invention
In order to achieve the first object of the present invention, the present invention provides a volute having a simple structure and preventing condensate water from flowing back to an air outlet.
In order to achieve the second object of the invention, the invention provides a fan using the volute.
In order to achieve the third object of the present invention, the present invention provides an air conditioner that uses the fan, improves customer experience, and has a long service life.
In order to achieve the first object of the present invention, the present invention provides a volute comprising an outer wall, the outer wall having an arc wall and a wind guiding wall, the arc wall being connected to the wind guiding wall, the wind guiding wall having an inwardly protruding section.
Therefore, the air guide wall of the volute is provided with the inward protruding section, so that the evaporator condensate water of the air conditioner which is too deep to be discharged can not flow back to the air outlet duct along the inner wall of the air guide wall, the evaporator condensate water is effectively prevented from being blown into a room, the customer experience is improved, meanwhile, the electric potential safety hazard inside the air conditioner is avoided, the service life of the air conditioner with the volute is greatly prolonged, the structure of the volute is simple, and the processing technology is also simple.
Further, the protruding section is arranged in a step shape from the bottom of the air guiding wall to the direction of the arc wall.
In a further scheme, the convex sections are arranged in at least two stages in a stepped mode.
Therefore, the convex sections are arranged in a step shape, so that condensate water of the evaporator of the air conditioner can be prevented from flowing back to the air outlet duct to the greatest extent.
In a further embodiment, a transition section is provided between two adjacent projecting sections, which is arranged obliquely to the projecting sections.
Still further, the included angle between the transition section and the connected convex section is greater than 90 degrees.
The further proposal is that the transition section is in smooth transition connection with the convex section.
Still further, the volute further comprises a side wall, and the side wall is provided with a slot.
In order to achieve the second object of the present invention, the present invention provides a fan, including a through-flow fan and a scroll casing, the scroll casing includes an outer wall, the outer wall has an arc wall and an air guiding wall, the arc wall is connected with the air guiding wall, the air guiding wall has a protruding section protruding inwards, and the through-flow fan is rotatably disposed inside a connection position between the arc wall of the scroll casing and the air guiding wall.
In a further scheme, the fan further comprises a volute tongue, an air outlet air channel is formed between the volute tongue and the circular arc wall, and an air inlet air channel is formed between the volute tongue and the air guide wall.
Therefore, the air guide wall of the volute is provided with the inward protruding section, so that the evaporator condensate water of the air conditioner which is too deep to be discharged can not flow back to the air outlet duct along the inner wall of the air guide wall, the evaporator condensate water is effectively prevented from being blown into a room, the customer experience is improved, meanwhile, the electric potential safety hazard inside the air conditioner is avoided, the service life of the air conditioner with the volute is greatly prolonged, the structure of the volute is simple, and the processing technology is also simple.
In order to achieve the third object of the present invention, the present invention provides an air conditioner, comprising a fan, the fan comprising a through-flow fan blade and a volute, the volute comprising an outer wall, the outer wall having an arc wall and an air guiding wall, the arc wall being connected with the air guiding wall, the air guiding wall having a convex section protruding inwards, the through-flow fan blade being rotatably disposed inside a connection position between the arc wall of the volute and the air guiding wall.
In a further scheme, the air conditioner further comprises an evaporator, and the evaporator is arranged along the air inlet channel of the fan.
Still further, the evaporator has a vertical section and an inclined section, the vertical section is located below the volute tongue of the fan, one end of the inclined section is connected with one end of the vertical section, and the other end of the inclined section is adjacent to the bottom of the air guide wall of the volute.
The air conditioner further comprises a water receiving disc, wherein the water receiving disc is positioned below the air guide wall of the volute and the evaporator.
Therefore, the air guide wall of the volute is provided with the inward protruding section, so that the evaporator condensate water which is deposited too deeply and cannot be discharged cannot flow back to the air outlet duct along the inner wall of the air guide wall, the evaporator condensate water is effectively prevented from being blown into a room, the customer experience is improved, meanwhile, the potential electrical safety hazard in the air conditioner is avoided, the service life of the air conditioner with the volute is greatly prolonged, the volute is simple in structure, and the processing technology is also simple.
Drawings
Fig. 1 is a first partial structural sectional view of an embodiment of an air conditioner of the present invention.
Fig. 2 is a sectional view showing a second partial structure of the embodiment of the air conditioner of the present invention.
The invention is further described below with reference to the drawings and examples.
Detailed Description
The following embodiments are mainly directed to the air conditioner of the present invention, and since the air conditioner of the present invention employs the blower of the present invention and the blower of the present invention employs the volute of the present invention, the blower embodiment and the volute embodiment have been described in the description of the air conditioner embodiment.
Referring to fig. 1 and 2, the air conditioner 1 includes a housing 7, a fan, an evaporator 5, and a water tray 6, wherein the housing 7 is located on an outer wall of the fan, the evaporator 5 is disposed along an air inlet duct 8 of the fan, and the water tray 6 is located below the fan and the evaporator 5. The fan is provided with a cross-flow fan blade 4, a volute casing 2 and a volute tongue 3.
The volute 2 comprises an outer wall and a side wall 25, the outer wall is provided with an arc wall 21 and an air guide wall 22, one end of the arc wall 21 is in smooth transition connection with the air guide wall 22, and the air guide wall 22 is provided with a convex section 23 protruding inwards, namely the convex section 23 protrudes towards the air inlet duct 8. The protruding section 23 in this embodiment is arranged in a step shape from the bottom of the wind guiding wall 22 to the direction of the circular arc wall 21, preferably, the protruding section 23 is arranged in at least two steps. The transition sections 24 which are obliquely arranged relative to the convex sections 23 are arranged between two adjacent convex sections 23, the included angle between the transition sections 24 and the connected convex sections 23 is larger than 90 degrees, and the transition sections 24 and the convex sections 23 are connected through rounded corners in a smooth transition mode.
Wherein the side wall 25 is provided with a slot 26. The volute tongue 3 is provided with an air deflector 31 and a side plate 32, the side plate 32 is provided with a through hole 33, and the air deflector 31 is connected with the other end of the circular arc wall 21. An air outlet duct 9 is formed between the volute tongue 3 and the circular arc wall 21, and an air inlet duct 8 is formed between the volute tongue 3 and the air guide wall 22. The cross-flow fan blade 4 is rotatably arranged in the slot 26 and the through hole 33 and positioned at the connecting position between the circular arc wall 21 and the air guiding wall 22.
The evaporator 5 has a vertical section 51 and an inclined section 52, the vertical section 51 is located below the volute tongue 3, one end of the inclined section 52 is connected with one end of the vertical section 51, the other end of the inclined section 52 is adjacent to the bottom of the air guide wall 22, and the water pan 6 of this embodiment is located below the air guide wall 22 and the inclined section 52. The vertical section 51 and the inclined section 52 of the evaporator 5 are each provided with a plurality of refrigerant tubes 53, the refrigerant tubes 53 having a circular cross section, the refrigerant tubes 53 extending in the length direction of the scroll casing 2.
In the running process of the whole air conditioner 1, natural wind enters the air inlet duct 8 through the evaporator 5, condensed water generated by the evaporator 5 drops into the water receiving disc 6, and the collected condensed water is discharged through the water outlet of the water receiving disc 6. When the drain outlet of the water receiving disc 6 is blocked and drain is not smooth, once deposited condensed water flows back along the inner wall of the air guide wall 22 of the volute 2 under the action of the rotary adsorption force of the through-flow fan blade 4, and when the condensed water flows back to the convex section 23 of the air guide wall 22, the convex section 23 can effectively prevent the condensed water from continuously flowing back to the air outlet duct 9. In particular, when the protruding section 23 is arranged in a stepped manner, the condensed water can be prevented from flowing back to the air outlet duct 9 to the greatest extent.
The wind guiding wall 22 of the volute 2 of this embodiment has protruding section 23 protruding inwards, can make the unable exhaust evaporator condensate water of deposit too dark unable backward flow to wind-out wind channel 9 along the inner wall of wind guiding wall 22, prevent the evaporator condensate water effectively and blow in indoor to promote customer experience, avoid causing the inside electrical safety hidden danger of air conditioner 1 simultaneously, make the life of air conditioner 1 lengthen greatly, and the simple structure of volute 2, processing technology is also simple.
The above embodiments are only preferred examples of the present invention and are not intended to limit the scope of the present invention, so that all equivalent changes or modifications made according to the construction, characteristics and principles of the present invention shall be included in the scope of the present invention.
Claims (8)
1. Air conditioner, including the fan, its characterized in that:
the fan comprises a cross-flow fan blade and a volute, wherein the cross-flow fan blade is rotatably arranged in the connecting position between the arc wall and the air guide wall of the volute;
the air conditioner further comprises an evaporator, and the evaporator is arranged along an air inlet channel of the fan;
the air conditioner further comprises a water receiving disc, wherein the water receiving disc is positioned below the air guide wall of the volute and the evaporator;
the volute comprises an outer wall, wherein the outer wall is provided with an arc wall and an air guide wall, and the arc wall is connected with the air guide wall;
the wind guide wall is provided with a protruding section protruding inwards, and the protruding section is arranged in a step shape from the bottom of the wind guide wall to the direction of the arc wall.
2. An air conditioner according to claim 1, wherein:
the evaporator is provided with a vertical section and an inclined section, the vertical section is positioned below the volute tongue of the fan, one end of the inclined section is connected with one end of the vertical section, and the other end of the inclined section is adjacent to the bottom of the air guide wall of the volute.
3. An air conditioner according to claim 1, wherein:
the protruding sections are arranged in at least two stages in a stepped mode.
4. An air conditioner according to claim 3, wherein:
and a transition section which is obliquely arranged relative to the convex sections is arranged between two adjacent convex sections.
5. An air conditioner according to claim 4, wherein:
the included angle between the transition section and the connected convex section is larger than 90 degrees.
6. An air conditioner according to claim 5, wherein:
the transition section is in smooth transition connection with the convex section.
7. An air conditioner according to any one of claims 1 to 6, wherein:
the volute also comprises a side wall, and the side wall is provided with a slot.
8. An air conditioner according to claim 1, wherein:
the fan also comprises a volute tongue, an air outlet channel is formed between the volute tongue and the circular arc wall, and an air inlet channel is formed between the volute tongue and the air guide wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435485.5A CN108397892B (en) | 2018-05-09 | 2018-05-09 | Volute, fan and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435485.5A CN108397892B (en) | 2018-05-09 | 2018-05-09 | Volute, fan and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108397892A CN108397892A (en) | 2018-08-14 |
| CN108397892B true CN108397892B (en) | 2023-10-24 |
Family
ID=63101012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810435485.5A Active CN108397892B (en) | 2018-05-09 | 2018-05-09 | Volute, fan and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108397892B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954775B (en) * | 2018-08-27 | 2023-07-04 | 珠海格力电器股份有限公司 | Air conditioner bottom shell and air conditioner |
| CN112944459A (en) * | 2021-02-24 | 2021-06-11 | 青岛海尔（胶州）空调器有限公司 | Air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187650A (en) * | 1992-01-08 | 1993-07-27 | Mitsubishi Electric Corp | Air conditioner |
| CN2773540Y (en) * | 2004-12-31 | 2006-04-19 | 广东科龙电器股份有限公司 | Leakage-proof device of indoor apparatus for air conditioner |
| CN202769923U (en) * | 2012-09-28 | 2013-03-06 | 苏州市华瑞热控制技术有限公司 | Water receiving box for air-conditioner |
| CN106016670A (en) * | 2016-06-29 | 2016-10-12 | 珠海格力电器股份有限公司 | Anti-water-blowing water containing plate assembly and air-conditioning system comprising same |
| CN106225194A (en) * | 2016-07-19 | 2016-12-14 | 珠海格力电器股份有限公司 | Air-conditioner |
| CN208419151U (en) * | 2018-05-09 | 2019-01-22 | 珠海格力电器股份有限公司 | Spiral case, blower and air conditioner |
-
2018
- 2018-05-09 CN CN201810435485.5A patent/CN108397892B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187650A (en) * | 1992-01-08 | 1993-07-27 | Mitsubishi Electric Corp | Air conditioner |
| CN2773540Y (en) * | 2004-12-31 | 2006-04-19 | 广东科龙电器股份有限公司 | Leakage-proof device of indoor apparatus for air conditioner |
| CN202769923U (en) * | 2012-09-28 | 2013-03-06 | 苏州市华瑞热控制技术有限公司 | Water receiving box for air-conditioner |
| CN106016670A (en) * | 2016-06-29 | 2016-10-12 | 珠海格力电器股份有限公司 | Anti-water-blowing water containing plate assembly and air-conditioning system comprising same |
| CN106225194A (en) * | 2016-07-19 | 2016-12-14 | 珠海格力电器股份有限公司 | Air-conditioner |
| CN208419151U (en) * | 2018-05-09 | 2019-01-22 | 珠海格力电器股份有限公司 | Spiral case, blower and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108397892A (en) | 2018-08-14 |
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