CN208936257U - Warm-air drier - Google Patents
Warm-air drier Download PDFInfo
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- CN208936257U CN208936257U CN201821536263.4U CN201821536263U CN208936257U CN 208936257 U CN208936257 U CN 208936257U CN 201821536263 U CN201821536263 U CN 201821536263U CN 208936257 U CN208936257 U CN 208936257U
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Abstract
The utility model provides a kind of warm-air drier.The warm-air drier, including air flow duct, air stream drives component, the air stream drives component is in the air flow duct, so that air-flow flows in the air flow duct, the air flow duct includes the first air duct board, first air duct board has volute tongue portion, the air stream drives component includes impeller, and the diameter of the impeller is φ, the impeller radially, the minimum spacing of the volute tongue portion and the impeller is A, 3 φ/80≤A≤5 φ/80.A kind of warm-air drier according to the present utility model reduces the pneumatic noise of warm-air drier by the optimization design to air flow duct, promotes the comfort of warm-air drier.
Description
Technical field
The utility model belongs to air-conditioning technique field, and in particular to a kind of warm-air drier.
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 warm-air drier mostly uses PTC (ceramic electric heating piece) as heating element, using blower as gas
Driving part is flowed, blower driving through-flow fan blade forced draft flows through PTC and carries out heat exchange, realizes the purpose of hot-wind heating.Because
Technical threshold is lower, and such product causes various quality problems more to special Duct design is not carried out in the market, for example,
The problems such as wind noise of warm-air drier is larger, outlet air and intake volume are smaller, air inlet designs unreasonable influence aesthetic appearance.
Utility model content
Therefore, the technical problem to be solved by the present invention is to provide a kind of warm-air driers, by the excellent of air flow duct
Change design, reduces the pneumatic noise of warm-air drier, promote the comfort of warm-air drier.
To solve the above-mentioned problems, the utility model provides a kind of warm-air drier, including air flow duct, air stream drives component,
The air stream drives component is in the air flow duct, so that air-flow flows in the air flow duct, the air flow duct
Including the first air duct board, first air duct board have volute tongue portion, the air stream drives component includes impeller, the impeller it is straight
Diameter is φ, the impeller radially, the minimum spacing of the volute tongue portion and the impeller is A, 3 φ/80≤A≤5 φ/
80。
Preferably, the air flow duct further includes the second air duct board, at second air duct board and first air duct board
In the circumferential two sides of the impeller, second air duct board have snail throat, the impeller radially, the snail throat with
The minimum spacing of the impeller is B, φ/80≤B≤4 φ/80.
Preferably, the warm-air drier further includes first shell, the impeller radially, the first shell with it is described
The minimum spacing of impeller is L, 25 φ/80 < L.
Preferably, the air flow duct has wind outlet section, is equipped with heating element in the wind outlet section.
Preferably, the heating element has the first heating surface, the air flow direction in the heating surface and the wind outlet section
Perpendicular, on the air flow direction, the minimum spacing between the heating surface and the impeller is H, H >=25mm.
Preferably, the warm-air drier further includes air outlet grate, and the air outlet grate is in the downstream of outlet air air-flow, and described
The direction of outlet air air-flow and vertical direction formation angle C in air outlet grate, 25 °≤C≤30 °.
Preferably, C=27 °.
Preferably, the warm-air drier further includes second shell, third shell, the second shell and the first shell phase
To setting, the third shell is connected between the first shell and the second shell, is configured in the second shell
First air inlet is all configured with the second air inlet on the third shell.
A kind of warm-air drier provided by the utility model passes through the volute tongue portion and institute to the first air duct board in the air flow duct
The optimization design for stating spacing between impeller makes the air-flow in the air flow duct between the impeller and first air duct board
Region flowing it is more smoothly under the premise of guaranteeing wind pressure out and wind speed, to reduce the pneumatic noise of warm-air drier, mention
Rise the comfort of warm-air drier.
Detailed description of the invention
Fig. 1 is the section structure diagram of the warm-air drier of the utility model embodiment.
Appended drawing reference indicates are as follows:
1, air flow duct；11, the first air duct board；12, volute tongue portion；13, the second air duct board；14, snail throat；2, impeller；3,
First shell；4, heating element；41, heating surface；5, air outlet grate；6, second shell；61, the first air inlet；7, third shell；
71, the second air inlet.
Specific embodiment
Fig. 1 is the cross-sectional configuration schematic diagram of warm-air drier in an embodiment of the present invention.Reality according to the present utility model
Example is applied, a kind of warm-air drier, including air flow duct 1, air stream drives component are provided, the air stream drives component is in the air-flow wind
In road 1, so that air-flow flows in the air flow duct 1, the air flow duct 1 includes the first air duct board 11, first wind
Guidance tape 11 has volute tongue portion 12, and the air stream drives component includes impeller 2, and the diameter of the impeller 2 is φ, in the impeller 2
Radially, the minimum spacing of the volute tongue portion 12 and the impeller 2 is A, 3 φ/80≤A≤5 φ/80, in the technical solution,
By the optimization design of spacing between the volute tongue portion 12 and the impeller 2 to the first air duct board 11 in the air flow duct 1, make institute
The flowing for stating region of the air-flow in air flow duct 1 between the impeller 2 and first air duct board 11 is guaranteeing wind pressure out
It is more smoothly under the premise of power and wind speed, to reduce the pneumatic noise of warm-air drier, promote the comfort of warm-air drier.
Further, the air flow duct 1 further includes the second air duct board 13, second air duct board 13 and first wind
Guidance tape 11 is in the circumferential two sides of the impeller 2, and second air duct board 13 has snail throat 14, in the radial direction of the impeller 2
On, the minimum spacing of the snail throat 14 and the impeller 2 is B, 3 φ/80≤B≤4 φ/80.In the technical solution, by right
The optimization design of spacing, makes the gas in the air flow duct 1 between the snail throat 14 and the impeller 2 of second air duct board 13
Flow the flowing in region between the impeller 2 and second air duct board 13 under the premise of guaranteeing wind pressure out and wind speed more
To be smooth, to further decrease the pneumatic noise of warm-air drier, the comfort of warm-air drier is promoted.
Further, the warm-air drier further includes first shell 3, the impeller 2 radially, the first shell
3 and the minimum spacing of the impeller 2 are L, 25 φ/80 < L, in the technical solution to the first shell 3 and the impeller 2 it
Between radial spacing limited, that is, give the minimum dimension of the L, the purpose of setting of best size at this time, is
The too small gap for causing to be formed between the first shell 3 and the impeller 2 of the L value is excessively narrow in order to prevent, described
Loud, shrill and long sound sound is generated when impeller 2 rotates, of course it is to be appreciated that the maximum distance of L can be closed according to the overall dimensions of warm-air drier
Reason selection.
The air flow duct 1 has wind outlet section, and the PTC for example above-mentioned of heating element 4 is equipped in the wind outlet section, described to add
Thermal part 4 is located in the wind outlet section, and the air-flow after enabling heating is directly flowed out from the warm-air drier, so as to improve
Hot wind enters the initial temperature in heating space, and then guarantees heating efficiency.Since the impeller 2 mostly uses moulding to be made greatly,
Therefore in order to prevent the heating element 4 apart from its heat radiation closely is generated to it excessively after cause structural failure, it is preferable that it is described plus
Thermal part 4 has the first heating surface 41, and the heating surface 41 and the air flow direction in the wind outlet section are perpendicular, in the air-flow
In flow direction, minimum spacing between the heating surface 41 and the impeller 2 is H, H >=25mm, of course it is to be appreciated that H
Maximum distance can be reasonably selected according to the overall dimensions of warm-air drier.
In general, when the warm-air drier is wall-hanging-type warm-air machine, at this point, its generally to hang on heating space higher
Position, therefore, the air outlet angle of adjustable warm wind air-flow is to improve the comfort of warm-air drier, it is preferable that the warm-air drier is also
Including air outlet grate 5, the air outlet grate 5 is in the downstream of outlet air air-flow, and in the air outlet grate 5 outlet air air-flow direction
With vertical direction formed angle C, 25 °≤C≤30 °, best C=27 °.Further, the warm-air drier further includes second shell
Body 6, third shell 7, the second shell 6 are oppositely arranged with the first shell 3, and the third shell 7 is connected to described
Between one shell 3 and the second shell 6, it is configured with the first air inlet 61 in the second shell 6, on the third shell 7
It is all configured with the second air inlet 71, in the technical solution, air inlet is set simultaneously in the second shell 6 and third shell 7,
The intake of warm-air drier can greatly be improved, to further ensure the air output and heating efficiency of warm-air drier.It can be with
Understand, when the warm-air drier is wall-hanging-type warm-air machine, the first shell 3 is procapsid, and the second shell 6 is
For back casing, the third shell 7 is top shell body, and the first air inlet 61, the second air inlet 71 at this time is then provided with rear shell
It on body and top shell body, rather than is located on procapsid, it ensure that the aesthetic appearance of warm-air drier.Further, described second
There is the sunk area being recessed toward 3 side of first shell, first air inlet 61 is set to described recessed on shell 6
It falls on region, and when the warm-air drier and wall or other external bearer parts are installed, the sunk area and cooperation metope
Between form air intake passage, to further ensure the intake of wall-hanging-type warm-air machine.
Using warm-air drier in the prior art with the warm-air drier using the technical solution of the utility model in same heating
Heating is carried out over time in space, learns that the heating is empty by a large amount of simulation test and the analysis section labyrinth time limit
Between middle temperature layer distribution situation, using the warm-air drier of technical solutions of the utility model at 30 minutes and 60 minutes, heating is empty
Between temperature higher level accounting it is broader namely hot wind is closer to ground, therefore the warm-air drier of the utility model is comfortable
Property is stronger.
Due to use the utility model wall-hanging-type warm-air machine experiment proves that, noise can be reduced to 40dB hereinafter,
Air outlet wind speed reaches 3.5m/s, and air quantity can reach 160m3/ h or more, room temperature rise better effect, comfortableness experience effect are good.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill of the art
For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement
It also should be regarded as the protection scope of the utility model with modification.
Claims (8)
1. a kind of warm-air drier, which is characterized in that including air flow duct (1), air stream drives component, the air stream drives component is in
In the air flow duct (1), so that air-flow flowing in the air flow duct (1), the air flow duct (1) include the first air duct
Plate (11), first air duct board (11) have volute tongue portion (12), and the air stream drives component includes impeller (2), the impeller
(2) diameter is φ, the impeller (2) radially, the minimum spacing of the volute tongue portion (12) and the impeller (2) is A,
3φ/80≤A≤5φ/80。
2. warm-air drier according to claim 1, which is characterized in that the air flow duct (1) further includes the second air duct board
(13), second air duct board (13) and first air duct board (11) are in the circumferential two sides of the impeller (2), and described second
Air duct board (13) has snail throat (14), the impeller (2) radially, the snail throat (14) and the impeller (2)
Minimum spacing is B, 3 φ/80≤B≤4 φ/80.
3. warm-air drier according to claim 1, which is characterized in that further include first shell (3), in the impeller (2)
Radially, the minimum spacing of the first shell (3) and the impeller (2) is L, 25 φ/80 < L.
4. warm-air drier according to claim 1, which is characterized in that the air flow duct (1) has wind outlet section, the outlet air
Heating element (4) are equipped in section.
5. warm-air drier according to claim 4, which is characterized in that the heating element (4) has the first heating surface (41),
The heating surface (41) and the air flow direction in the wind outlet section are perpendicular, on the air flow direction, the heating surface (41)
Minimum spacing between the impeller (2) is H, H >=25mm.
6. warm-air drier according to claim 4, which is characterized in that it further include air outlet grate (5), the air outlet grate (5)
Downstream in outlet air air-flow, and the direction of outlet air air-flow and vertical direction formation angle C in the air outlet grate (5), 25 °≤
C≤30°。
7. warm-air drier according to claim 6, which is characterized in that C=27 °.
8. warm-air drier according to claim 3, which is characterized in that it further include second shell (6), third shell (7), it is described
Second shell (6) is oppositely arranged with the first shell (3), and the third shell (7) is connected to the first shell (3) and institute
It states between second shell (6), is configured with the first air inlet (61) on the second shell (6), all structure on the third shell (7)
The second air inlet (71) are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536263.4U CN208936257U (en) | 2018-09-19 | 2018-09-19 | Warm-air drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536263.4U CN208936257U (en) | 2018-09-19 | 2018-09-19 | Warm-air drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208936257U true CN208936257U (en) | 2019-06-04 |
Family
ID=66721662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821536263.4U Active CN208936257U (en) | 2018-09-19 | 2018-09-19 | Warm-air drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208936257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386867A (en) * | 2018-09-19 | 2019-02-26 | 珠海格力电器股份有限公司 | Warm-air drier |
| CN110553399A (en) * | 2019-07-17 | 2019-12-10 | 珠海格力电器股份有限公司 | cross flow air duct assembly and fan heater |
-
2018
- 2018-09-19 CN CN201821536263.4U patent/CN208936257U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386867A (en) * | 2018-09-19 | 2019-02-26 | 珠海格力电器股份有限公司 | Warm-air drier |
| CN109386867B (en) * | 2018-09-19 | 2024-03-29 | 珠海格力电器股份有限公司 | Warm-air drier |
| CN110553399A (en) * | 2019-07-17 | 2019-12-10 | 珠海格力电器股份有限公司 | cross flow air duct assembly and fan heater |
| CN110553399B (en) * | 2019-07-17 | 2021-07-20 | 珠海格力电器股份有限公司 | Cross flow air duct assembly and fan heater |
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