CN109237779A - A kind of warm-air drier air channel structure and wall-hanging-type warm-air machine - Google Patents
A kind of warm-air drier air channel structure and wall-hanging-type warm-air machine Download PDFInfo
- Publication number
- CN109237779A CN109237779A CN201811312944.7A CN201811312944A CN109237779A CN 109237779 A CN109237779 A CN 109237779A CN 201811312944 A CN201811312944 A CN 201811312944A CN 109237779 A CN109237779 A CN 109237779A
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- air
- warm
- channel structure
- wall
- air channel
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- 230000003434 inspiratory effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 206010047924 Wheezing Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 230000001088 anti-asthma Effects 0.000 description 1
- 239000000924 antiasthmatic agent Substances 0.000 description 1
- 230000007698 birth defect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
- F24H9/1872—PTC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/04—Positive or negative temperature coefficients, e.g. PTC, NTC
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
It includes spiral case that the present invention, which provides a kind of warm-air drier air channel structure and wall-hanging-type warm-air machine, air channel structure,;Exhaust air flue is equipped in spiral case;The inner wall of exhaust air flue is equipped with boss structure;Scheme provided by the invention can be effectively reduced air outlet windage, and air outlet wind speed is more uniform, avoids part from gas flow counterflow inspiratory phenomenon occur, avoids generating and breathe;Scheme provided by the invention, air channel structure is simple, reliable, can effectively solve the problems, such as that air duct is breathed, improve the comfort of steam air heater.
Description
Technical field
The invention belongs to warm-air drier technical fields, and in particular to a kind of warm-air drier air channel structure and wall-hanging-type warm-air machine.
Background technique
The required life product that electric heater has become people's warming at present has been commonly used in domestic heater field
A kind of wall-hanging-type warm-air machine, such electric heater use PTC (ceramic electric heating) for heating element, and motor driven through-flow fan blade forces
Air-flow flows through PTC and carries out heat exchange, achievees the purpose that export hot-wind heating.
Because wall-hanging-type warm-air machine PTC is as unique pyrotoxin, power is larger, and general maximum is attained by 2000W or more, hair
Heat is big, and surface temperature is high, thus PTC design position be in air outlet rather than air inlet (PTC of wall-hanging air conditioner is as electric auxiliary
Heat, power is smaller, and all design is in air inlet), this just directly results in wall-hanging-type warm-air machine, and there are birth defects, air outlet windages
Greatly, air outlet wind speed is uneven, gas flow counterflow inspiratory phenomenon locally occurs, leads to the problem of and breathe.
In the prior art, China Patent No. is that the utility model patent of CN204227642U discloses a kind of through-flow air duct group
Part, formed including combining to air-flow rise guiding function air duct the first spiral case and the second spiral case, first spiral case and/
Or second limit in spiral case and be provided at least one inwardly projecting air guide structure, the wind-guiding knot on the inner surface in the air duct
Structure extends along the vertical direction on the whole;The patent, to adjust the direction that air-flow flows through air duct, prevents gas by setting air guide structure
Stream generates in air duct be easy to cause unstable outlet air, the vortex of abnormal sound and turbulent flow, to reduce wind noise, improve outlet air sound
Matter has achieved the effect that improve user's comfort;But after noise entire lowering, complete machine noise is exposed, especially
Air duct wheeze seems that obviously lower tone has dyspneic feeling.
Based on technical problem present in above-mentioned warm-air drier air channel structure, there has been no relevant solutions;Therefore urgent
Need to seek effective scheme to solve the above problems.
Summary of the invention
The purpose of the present invention is shortcoming present in view of the above technology, a kind of warm-air drier air channel structure and wall are proposed
Hanging type warm-air machine, it is intended to solve the problems, such as that existing warm-air drier air duct is breathed.
The present invention provides a kind of warm-air drier air channel structure, including spiral case;Exhaust air flue is equipped in spiral case;Exhaust air flue it is interior
Wall is equipped with boss structure.
It further, further include heater;Heater is set in spiral case at the air outlet of exhaust air flue;Boss structure is set
It is placed on the inner wall of exhaust air flue, and is located on the inside of heat exchanger.
Further, distance of the boss structure apart from heater is L;The width of heater is H;L and H meets: H/2 < L <
2H。
Further, it is h that boss structure, which protrudes from inside wall height,;The width of heater is H;H and H meets: H/15 < h < H/
3。
Further, h and H meets: h=H/10.
It further, further include through-flow fan blade;Through-flow fan blade is set to the air inlet of wind inlet channel in spiral case.
Further, heater PTC.
Further, boss structure is set on the bottom of exhaust air flue inner wall.
Correspondingly, the present invention also provides a kind of wall-hanging-type warm-air machines, including body;Air channel structure is equipped in body, it is described
Air channel structure is warm-air drier air channel structure described above.
It further, further include front panel and rear panel;Boss structure is set on the inner wall of exhaust air flue, and is located at and is leaned on
Nearly rear panel side.
Scheme provided by the invention can be effectively reduced air outlet windage, and air outlet wind speed is more uniform, and part is avoided to go out
Existing gas flow counterflow inspiratory phenomenon is avoided generating and be breathed;Scheme provided by the invention, air channel structure is simple, reliable, can effectively solve
Air duct is breathed problem, and the comfort of steam air heater is improved.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Below with reference to attached drawing, the invention will be further described:
Fig. 1 is a kind of wall-hanging-type warm-air machine main view of the present invention;
Fig. 2 is a kind of wall-hanging-type warm-air machine bottom view of the present invention;
Fig. 3 is a kind of wall-hanging-type warm-air machine top view of the present invention;
Fig. 4 is a kind of wall-hanging-type warm-air machine right view of the present invention;
Fig. 5 is a kind of wall-hanging-type warm-air machine left view of the present invention;
Fig. 6 is a kind of warm-air drier air channel structure schematic diagram of the prior art;
Fig. 7 is a kind of warm-air drier air channel structure schematic diagram of the present invention;
Fig. 8 is Fig. 7 Local C enlarged diagram;
Fig. 9 is prior art warm-air drier air channel structure air-flow simulated effect figure;
Figure 10 is the technology of the present invention warm-air drier air channel structure air-flow simulated effect figure one;
Figure 11 is the technology of the present invention warm-air drier air channel structure air-flow simulated effect figure two.
In figure: 10, body;11, front panel;12, rear panel;13, through-flow fan blade;14, spiral case;15,PCT;16, go out style
Grid;17, boss structure;18, it is vortexed;20, air inlet;30, air outlet.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Fig. 7 to Fig. 8, the present invention provides a kind of warm-air drier air channel structure, including spiral case 14;It is equipped in spiral case 14
Wind air duct;The inner wall of exhaust air flue is equipped with boss structure 17;Specifically, boss structure 17 is set to the bottom of exhaust air flue inner wall
On portion a, the concrete shape of boss structure 17 is not limited, and is covered with entire 14 rear shell air duct bottom of spiral case along fan blade length direction;
The top b of exhaust air flue inner wall, can directly be fixed in casing for warm air fan body;It further, further include through-flow fan blade 13;Through-flow
Fan blade 13 is set to the air inlet of wind inlet channel in spiral case 14;Using above-mentioned warm-air drier air channel structure, vortex is effectively hindered
Movement stabilizes air-flow, and relative to traditional warm-air drier, this air channel structure efficiently solves the problems, such as that air duct is breathed.
Preferably, in conjunction with above scheme, as shown in Fig. 7 to Fig. 8, in the present embodiment, warm-air drier air channel structure further includes adding
Hot device;Specifically, heater is PTC 15;PTC 15 is set in spiral case 14 at the air outlet of exhaust air flue, and boss structure is set
It is placed on the inner wall of exhaust air flue, and is located on the inside of heat exchanger;Specifically, the distance of 17 distance PTC 15 of boss structure is L;
The width of PTC 15 is H;L and H meets: H/2 < L < 2H;Preferably, L and H meets: L=H;Specifically, as shown in figure 8, setting
PTC width value is H, and the crucial size dimension of above-mentioned air duct boss structure 17 is: the raised highest point of boss structure 17 relative to
Minimum point (inner wall) has certain altitude value h, h in this certain range, and h value is bigger, and anti-effect of breathing is better, the smaller air quantity of h value
Loss is bigger, there is optimum value in a certain range according to the size h value of H, i.e. h value is set in H/10;Under normal circumstances, anti-asthma
Depressed structure h value needs the range H/15 < h < H/3 met, can meet and solve the problems, such as that air duct is breathed.
Preferably, in conjunction with above scheme, as shown in Fig. 7 to Fig. 8, in the present embodiment, warm-air drier air channel structure further includes adding
Hot device;Specifically, heater PTC;PTC 15 is set in spiral case 14 at the air outlet of exhaust air flue;Boss structure 17 protrudes
In inside wall height be h;The width of PTC 15 is H;H and H meets: H/15 < h < H/3;Preferably, h and H meets: h=H/10;Tool
Body, as shown in Fig. 8,10,11, PTC width value is set as H, above-mentioned 17 key position size of air duct boss structure is: boss
In a certain range relative to PTC inner face distance value L, L, there are optimum values, i.e. setting L=H for gear vortex sheet;The range of practical L needs
Meet H/2 < L < 2H;This boss structure is designed in air duct wind outlet area, and boss critical size is height h in following range H/15 < h
< H/3 effectively stops vortex movement, prevents air duct from breathing.
Correspondingly, as shown in Figures 1 to 8, the present invention also provides a kind of wall-hanging-type warm-air machines, including body 10;Body 10
Top is equipped with air inlet 20, and bottom is equipped with air outlet 30, and air channel structure is equipped in body 10, and the air channel structure is described above
Warm-air drier air channel structure;The present invention also provides electric heater use PTC (ceramic electric heating) for heating element, motor driven is passed through
Stream fan blade forced draft flows through PTC and carries out heat exchange, achievees the purpose that export hot-wind heating.
Preferably, in conjunction with above scheme, as shown in Figures 1 to 8, in the present embodiment, body 10 further includes 11 He of front panel
Rear panel 12;Boss structure 17 is set on the inner wall of exhaust air flue, and is located at close to 12 side of rear panel, to be effectively reduced
10 exhaust air flue of body is breathed, and warm-air drier experience sense is improved.
Preferably, in conjunction with above scheme, as shown in Figures 1 to 8, the air duct in the spiral case in wall-hanging-type warm-air machine air duct is divided into
Enter the wind area d, Rotary District e, wind outlet area f in three regions: as shown in Figure 7: by front panel 11, rear panel 12, through-flow fan blade 13, snail
Shell 14 is commonly referred to as " air inlet area " using A, B location as the region that boundary line surrounds, and through-flow fan blade itself becomes " Rotary District ", with
The region that through-flow fan blade 13, rear panel 12, volute tongue 14, air outlet grate 16 surround is normally defined " wind outlet area ", and wherein PTC is located at
Wind outlet area;It is that warm-air drier PTC is unique heat source, design position is in air duct wind outlet area;Warm-air drier provided by the invention is based on
At low cost, structure simply considers, PTC is unique heat source, designs in air outlet to improve radiating efficiency, but PTC heating sheet is close
Degree is big, and windage is big;Fig. 9 is to cancel the air duct air outlet PTC air flow condition, and air quantity is up to 425m3/h, and Figure 10 is in current industry
Air duct, air outlet are stopped by PTC, and air quantity only has 180m3/h, and Figure 11 is air channel structure provided by the invention, in wind outlet area, rear shell
Boss structure, air quantity 168m3/h are designed at distance PTC key position;Three of the above air channel structure compares air quantity ratio are as follows:
2.52:1.07:1.00, i.e. air outlet add windage after PTC big, and wind loss is big, and wind loss is faint after wind outlet area increases boss;
As shown in Figure 10, air duct in industry at present, because air outlet, there are PTC blocking, air-flow is formed about centainly in bottom case close to PTC
The vortex of range, and be vortexed and can be moved up along rear shell inner wall, Abnormal Sound of breathing is generated after destruction;As shown in figure 11, it adopts
With air channel structure provided by the invention, in wind outlet area, key position design boss structure (shape is with no restrictions) has critical size,
To stop vortex movement, wheeze is generated after avoiding vortex breaker;Specific effect is as shown in following table one.
Table one
Scheme provided by the invention can be effectively reduced air outlet windage, and air outlet wind speed is more uniform, and part is avoided to go out
Existing gas flow counterflow inspiratory phenomenon is avoided generating and be breathed;Scheme provided by the invention, air channel structure is simple, reliable, can effectively solve
Air duct is breathed problem, and the comfort of steam air heater is improved.
The above, only presently preferred embodiments of the present invention not do limitation in any form to the present invention.It is any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, all using technology contents described above
Many possible changes and modifications or equivalent example modified to equivalent change are made to technical solution of the present invention.Therefore, all
It is the content without departing from technical solution of the present invention, any change modification made to the above embodiment of technology according to the present invention,
Equivalent variations and modification belong to the protection scope of the technical program.
Claims (11)
1. a kind of warm-air drier air channel structure, which is characterized in that including spiral case;Exhaust air flue is equipped in the spiral case;The outlet air
The inner wall in air duct is equipped with boss structure.
2. warm-air drier air channel structure according to claim 1, which is characterized in that further include heater;The heater is set
It is placed at the air outlet of the exhaust air flue in the spiral case;The boss structure is set on the inner wall of the exhaust air flue, and
On the inside of the heat exchanger.
3. warm-air drier air channel structure according to claim 2, which is characterized in that the boss structure is apart from the heater
Distance be L;The width of the heater is H;The L and H meets: H/2 < L < 2H.
4. warm-air drier air channel structure according to claim 3, which is characterized in that the L and H meets: L=H.
5. warm-air drier air channel structure according to claim 2, which is characterized in that the boss structure protrudes from the inner wall
Height is h;The width of the heater is H;The h and H meets: H/15 < h < H/3.
6. warm-air drier air channel structure according to claim 5, which is characterized in that the h and H meets: h=H/10.
7. warm-air drier air channel structure according to any one of claims 1 to 6, which is characterized in that further include through-flow fan blade;Institute
State the air inlet that through-flow fan blade is set to wind inlet channel in the spiral case.
8. warm-air drier air channel structure according to claim 1, which is characterized in that the heater is PTC.
9. warm-air drier air channel structure according to claim 1, which is characterized in that the boss structure is set to the outlet air
On the bottom of air duct inner wall.
10. a kind of wall-hanging-type warm-air machine, including body;Air channel structure is equipped in the body, which is characterized in that the air duct knot
Structure is the described in any item warm-air drier air channel structures of the claims 1 to 9.
11. wall-hanging-type warm-air machine according to claim 10, which is characterized in that further include front panel and rear panel;It is described
Boss structure is set on the inner wall of the exhaust air flue, and is located at close to the rear panel side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811312944.7A CN109237779B (en) | 2018-11-06 | 2018-11-06 | Air duct structure of warm air blower and wall-mounted warm air blower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811312944.7A CN109237779B (en) | 2018-11-06 | 2018-11-06 | Air duct structure of warm air blower and wall-mounted warm air blower |
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Publication Number | Publication Date |
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CN109237779A true CN109237779A (en) | 2019-01-18 |
CN109237779B CN109237779B (en) | 2024-04-16 |
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CN201811312944.7A Active CN109237779B (en) | 2018-11-06 | 2018-11-06 | Air duct structure of warm air blower and wall-mounted warm air blower |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112443967A (en) * | 2019-08-30 | 2021-03-05 | 广东美的环境电器制造有限公司 | Air supply device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102022383A (en) * | 2009-09-11 | 2011-04-20 | 珠海格力电器股份有限公司 | Air-conditioner air duct device and air-conditioner |
CN107166496A (en) * | 2017-06-30 | 2017-09-15 | 广东美的环境电器制造有限公司 | Ducting assembly and warm-air drier |
CN206831783U (en) * | 2017-03-09 | 2018-01-02 | 青岛海尔空调器有限总公司 | Air outlet device for air conditioner |
CN209027091U (en) * | 2018-11-06 | 2019-06-25 | 珠海格力电器股份有限公司 | A kind of warm-air drier air channel structure and wall-hanging-type warm-air machine |
-
2018
- 2018-11-06 CN CN201811312944.7A patent/CN109237779B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102022383A (en) * | 2009-09-11 | 2011-04-20 | 珠海格力电器股份有限公司 | Air-conditioner air duct device and air-conditioner |
CN206831783U (en) * | 2017-03-09 | 2018-01-02 | 青岛海尔空调器有限总公司 | Air outlet device for air conditioner |
CN107166496A (en) * | 2017-06-30 | 2017-09-15 | 广东美的环境电器制造有限公司 | Ducting assembly and warm-air drier |
CN209027091U (en) * | 2018-11-06 | 2019-06-25 | 珠海格力电器股份有限公司 | A kind of warm-air drier air channel structure and wall-hanging-type warm-air machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112443967A (en) * | 2019-08-30 | 2021-03-05 | 广东美的环境电器制造有限公司 | Air supply device |
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