CN115218255B - Air supply device - Google Patents
Air supply device Download PDFInfo
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- CN115218255B CN115218255B CN202110429374.5A CN202110429374A CN115218255B CN 115218255 B CN115218255 B CN 115218255B CN 202110429374 A CN202110429374 A CN 202110429374A CN 115218255 B CN115218255 B CN 115218255B
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- air
- air duct
- heating device
- air supply
- duct
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- 238000010438 heat treatment Methods 0.000 claims abstract description 295
- 238000007664 blowing Methods 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/08—Arrangements for drainage, venting or aerating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- 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
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air-Flow Control Members (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The invention discloses an air supply device, which comprises: the air duct component comprises an air duct body, and an air duct is arranged in the air duct body; the air duct component is arranged in the air duct body, and is connected with the air duct component; the heating device is arranged in the air duct; the air duct is provided with an air supply opening and an air inlet interface, and the heating device is arranged at the front part of the air duct in the air outlet direction of the air duct. Therefore, compared with the prior art, the air supply device has the advantages that the heating device is arranged in the air duct, the pressure lost when air passes through the heating device can be reduced, the air speed of the air supply device for blowing can be improved, the air supply distance of the air supply device can be increased, the air is heated in the air duct through the heating device, the flow path of hot air in the air duct can be shortened, the air supply temperature of the air supply device can be ensured, and the product quality of the air supply device can be improved.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an air supply device.
Background
The existing air supply device is integrated with a heating device, the heating device can heat air in the air supply device, and the air supply device can not only supply cold air to a user, but also supply warm air to the user, so that the functionality of the air supply device can be improved.
In the related art, the existing heating device is arranged in the machine body, when the air blowing member blows out air, the pressure of the air is higher, more pressure is lost when the air passes through the heating device, the air speed blown out by the air blowing device is reduced, and the air blowing distance of the air blowing device is also reduced. In addition, the warm air blown out from the machine body needs to pass through the air duct, and the length of the air duct is long, so that the temperature of the warm air blown out from the air supply device is low, and the air supply temperature of the air supply device is influenced.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide an air blower that can reduce the pressure lost when air passes through a heating device, can increase the air blowing distance of the air blower, and can ensure the air blowing temperature of the air blower by heating air in an air duct by the heating device.
The air supply device according to the present invention includes: an air duct component comprising an air duct body having an air duct therein; the air duct component is connected with the air duct component, and the air duct component comprises an air duct body and an air supply piece arranged in the air duct body; the heating device is arranged in the air duct; the air duct is provided with an air duct air supply opening and an air inlet interface, the air supply piece supplies air to the air duct through the air inlet interface, the air duct blows out air through the air duct air supply opening, and the heating device is arranged at the front part of the air duct in the air outlet direction of the air duct.
According to the air supply device, the heating device is arranged at the front part of the air duct, namely, is closer to the air supply opening of the air duct and is away from the rear wall of the air duct, compared with the prior art, the air supply device can reduce the air pressure loss caused by the heating device, so that the air speed of the air supplied by the air supply device can be increased, the air supply distance of the air supply device can be increased, and the flow path of hot air in the air duct can be shortened by arranging the heating device at the front part of the air duct, so that the air supply temperature of the air supply device can be ensured, and the product quality of the air supply device can be improved.
In some examples of the invention, the air duct includes: the air duct bottom wall opposite to the air supply opening of the air duct is sealed by the rear part of the air duct body along the air outlet direction of the air duct, and the interval distance between the central point of the heating device and the air supply opening of the air duct is H 1 The distance between the central point of the heating device and the bottom wall of the air duct is H 2 The relation is satisfied: h 1 ＜H 2 。
In some examples of the invention, the heating device divides the air duct into an air inlet duct chamber and an air outlet duct chamber in the air outlet direction of the air duct, the air inlet duct chamber being in communication with the air inlet interface, the air outlet duct chamber being in communication with the air duct supply outlet, the air in the air inlet duct chamber being adapted to flow from the heating device into the air outlet duct chamber.
In some examples of the present invention, the volume of the air inlet duct cavity is V 1 The volume of the air outlet air duct cavity is V 2 The relation is satisfied: 2V of 2 ≤V 1 。
In some examples of the invention, a first plug connector is arranged at the lower end of the heating device, and a second plug connector which is in plug fit with the first plug connector is arranged on the air duct body.
In some examples of the invention, one of the first and second connectors is provided as a socket and the other of the first and second connectors is provided as a plug board.
In some examples of the present invention, a first connection portion is provided at an upper end of the heating device, the air duct body is provided with a second connection portion connected to the first connection portion, one of the first connection portion and the second connection portion is provided with a mounting hole, the other of the first connection portion and the second connection portion is provided with a mounting post, and the mounting hole is sleeved on the mounting post.
In some examples of the invention, the mounting posts are provided with a snap-fit structure that snaps into engagement with the mounting holes.
In some examples of the invention, the heating device comprises: the mounting bracket and the piece that generates heat, the mounting bracket is equipped with the installation cavity, the piece that generates heat is located in the installation cavity, first plug connector sets up on the mounting bracket.
In some examples of the invention, the duct body includes: the air conditioner comprises a front air duct body and a rear air duct body, wherein the front air duct body is connected with the rear air duct body and jointly defines an air duct, and the heating device is arranged in the front air duct body.
In some examples of the present invention, the air inlet interface is disposed at a lower end of the air duct, and a lower end of the heating device is staggered from the air inlet interface in a front-rear direction of the air supply device.
In some examples of the present invention, the air inlet interface of the air duct is provided with a diversion surface, the diversion surface extends obliquely from the air inlet interface towards the direction of the air supply opening of the air duct, and the rear wall surface of the lower end of the heating device is arranged at the extending end of the diversion surface.
In some examples of the present invention, the air supply device further includes: the temperature limiter is arranged in the air duct and is clamped between the heating device and the side wall of the air duct.
In some examples of the invention, the temperature limiter is provided at the heating device and near an upper end of the heating device.
In some examples of the invention, the distance from the midpoint of the temperature limiter to the upper end of the heating device in the height direction of the heating device is L 1 The distance from the midpoint of the temperature limiter to the lower end of the heating device is L 2 The relation is satisfied: l (L) 1 /L 2 ＜0.4。
In some examples of the invention, the side wall of the heating device is provided with a mounting groove, and the temperature limiter is mounted in the mounting groove.
In some examples of the invention, the side wall of the heating device is provided with a limiting wall, the limiting wall is provided with a first limiting rib and a second limiting rib, the first limiting rib and the second limiting rib are opposite and spaced apart to define the mounting groove between the first limiting rib and the second limiting rib, and the temperature limiter is inserted in the mounting groove.
In some examples of the invention, a support table is provided on a side wall of the air duct, the support table being adapted to support the temperature limiter to secure the temperature limiter in position.
In some examples of the present invention, a notch is formed on a side wall of the air duct, and a bottom wall of the notch is the supporting table.
In some examples of the present invention, the air outlet of the air duct and the heating device extend in a height direction of the air duct, the heating device is arranged opposite to the air outlet of the air duct in an air outlet direction of the air duct, the heating device comprises a plurality of heat conducting fins, an air passing gap is formed between two adjacent heat conducting fins, and the heating device extends obliquely and backwards from a lower end to an upper end of the air duct.
In some examples of the invention, the air duct includes a first air duct and a second air duct, each of the first air duct and the second air duct being in communication with the air intake interface, the first air duct and the second air duct being located on opposite sides of a longitudinal centerline of the air supply device; the heating device comprises a plurality of heating devices, and the heating devices are arranged in the first air duct and the second air duct.
In some examples of the present invention, the air supply device has a cool air mode and a hot air mode, the heating device is not operated when the air supply device performs the cool air mode, and the heating device is operated to heat the air in the air duct when the air supply device performs the hot air mode.
In some examples of the invention, the air supply device is a bladeless fan.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a front view of an air moving device according to an embodiment of the present invention;
FIG. 2 is a side view of an air moving device according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an air moving device according to an embodiment of the present invention;
FIG. 4 is an exploded view of an air moving device according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
FIG. 6 is a cross-sectional view of an air duct component of an air moving device according to an embodiment of the present invention;
FIG. 7 is an enlarged schematic view at B in FIG. 6;
FIG. 8 is another angular cross-sectional view of an air duct component of an air moving device according to an embodiment of the present invention;
FIG. 9 is a partial cross-sectional view of a portion of the structure of an air supply device according to an embodiment of the present invention;
FIG. 10 is a partial cross-sectional view of an air moving device according to an embodiment of the present invention;
FIG. 11 is an enlarged schematic view at C in FIG. 10;
FIG. 12 is an exploded view of an air duct component and heating device according to an embodiment of the present invention;
FIG. 13 is an exploded view of a heating device and a temperature limiter according to an embodiment of the present invention;
FIG. 14 is another angular cross-sectional view of a portion of the structure of an air moving device according to an embodiment of the present invention;
fig. 15 is an enlarged schematic view at D in fig. 14.
Reference numerals:
an air blowing device 100;
an air duct member 1; an air duct body 11; an air duct 12; an air duct air supply outlet 13; an air inlet interface 14; an air inlet duct cavity 15; an outlet duct chamber 16; a second plug 17; a second connection portion 18; a front air duct body 19; a rear duct body 110; a guide surface 111; a support table 112; a first air duct 113; a second air duct 114; an air duct bottom wall 115;
A body 2; a body 21; an air supply member 22; an air outlet port 23 of the air supply member; an air inlet 24 of the air supply member; a main body air inlet 25;
a heating device 3; a first plug member 31; a first connecting portion 32; a mounting groove 33; a mounting frame 35; a heat generating member 36; a limiting wall 37; a first stop bar 38; a second stop rib 39; an overwind gap 310; the heat conductive sheet 311;
a temperature limiter 4;
a spacer 5; a clamping part 51; avoidance groove 52;
a fastener 6; a longitudinal midline 7.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
An air blowing device 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 15.
As shown in fig. 1 to 15, an air supply device 100 according to an embodiment of the present invention includes: the air duct component 1, the machine body 2 and the heating device 3, the air duct component 1 is provided with the air duct body 11, the air duct 12 is arranged in the air duct body 11, the air duct component 1 is connected with the machine body 2, the machine body 2 comprises the machine body 21, the machine body 2 further comprises an air supply piece 22, the air supply piece 22 is arranged in the machine body 21, at least part of the heating device 3 is embedded in the air duct 12, that is, the heating device 3 can be at least partially arranged in the air duct 12, the heating device 3 can also be arranged in the air duct 12 in a whole structure, preferably, the whole structure of the heating device 3 is arranged in the air duct 12, the air duct 12 comprises an air inlet interface 14 and an air duct air supply opening 13, the air supply piece 22 supplies air to the air duct 12 through the air inlet interface 14, the air duct air supply opening 13 blows out air in the air duct 12, the heating device 3 is arranged in the front of the air duct 12 in the air outlet direction of the air duct 12, and the air outlet direction of the air duct 12 can refer to the front direction of the air supply device 100 in fig. 3, and the position of the heating device 3 in the air duct 12 is arranged closer to the air supply opening 13.
The air supply device 100 may blow cold air or warm air, and according to a user's needs, the air supply device 100 may provide cold air and warm air to the user, and when the air supply member 22 works, under the action of the air supply member 22, air flow may be conveyed into the air duct 12. Further, the body 21 may communicate with the external environment, for example, as shown in fig. 1, the body 21 may communicate with the external environment through left and right sides of the body 21, and air may enter the body 21 from both sides of the body 2 by the air supply member 22. The air supply piece 22 can be a centrifugal fan, the air supply piece 22 can pump air in the external environment into the machine body 21, when the air passes through the air supply piece 22, the air supply piece 22 can enable the pressure and the flow speed of the air to be increased, the air supply piece 22 can discharge the high-flow-speed air into the air duct 12 of the air duct component 1, the air in the air duct 12 can flow through the air supply device 100, and finally the air is blown out from the air duct 12, so that comfortable blowing experience can be brought for a user.
And, under the effect of air supply piece 22, the air current flows in wind channel 12 from fuselage body 21, and wind channel 12 can adjust the flow direction of air current, and wind channel 12 can blow out the air current towards the user. In the height direction of the air blowing device 100, the air duct component 1 may be disposed on the upper side of the machine body 2, and the height direction of the air blowing device 100 may refer to the up-down direction in fig. 1, when the air blowing device 100 is placed on the ground, the arrangement can prevent the air flow from blowing out of the air duct component 1 and bring up the floating dust on the ground, and can also cause the air blowing device 100 to blow at a higher position, so that the use experience of the air blowing device 100 can be optimized, and the complaints of users are reduced.
Meanwhile, by disposing the heating device 3 in the air duct 12, the heating device 3 can heat the air flow when the air flow passes through the heating device 3 when the air supply device 100 turns on the warm air function. When the air supply member 22 is in an operating state and the heating device 3 is in a non-operating state, the air supply device 100 can blow out cool air. When the blower 22 is in the operating state and the heating device 3 is in the operating state, the blower 100 can blow out warm air.
Further, in the air outlet direction of the air duct 12, the position of the heating device 3 in the air duct 12 is closer to the air duct air supply opening 13, compared with the prior art, when air flows into the air duct 12 from the machine body 2, high-pressure air flow is not blocked, pressure loss is small when the air flows through the heating device 3, and noise generated when the air flows through the heating device 3 is lower, so that the air speed of the air supply device 100 is increased, and noise of the air supply device 100 is also reduced. In addition, after the air in the air duct 12 is heated by the heating device 3, the flow path of the heated air in the air duct 12 is reduced, which is beneficial to reducing the heat loss of the air flow, and when the heating device 3 works under the same power, compared with the existing air supply device, the temperature of the warm air blown out by the air supply device 100 is higher, so that the heating effect of the air supply device 100 on the surrounding environment can be improved.
Therefore, by arranging the heating device 3 in the front portion of the air duct 12, compared with the prior art, the air pressure loss caused by the heating device 3, namely, the pressure loss when air passes through the heating device 3 can be reduced, so that the air speed of the air blowing device 100 can be increased, and the air blowing distance of the air blowing device 100 can be increased. In addition, by providing the heating device 3 in the front portion of the duct 12, the flow path of the hot air in the duct 12 can be shortened, and the air supply temperature of the air supply device 100 can be ensured, and the product quality of the air supply device 100 can be improved.
In some embodiments of the present invention, as shown in fig. 2-4, 6, 9, 10, air chute 12 may include: the air duct bottom wall 115, in the air outlet direction of the air duct 12, the air duct bottom wall 115 may be disposed opposite to the air duct air supply opening 13, in the air outlet direction of the air duct 12, the air duct bottom wall 115 may close the rear portion of the air duct body 11, and the distance between the air duct air supply opening 13 and the center point of the heating device 3 may be set to H 1 The distance between the air duct bottom wall 115 and the center point of the heating device 3 is H 2 ，H 1 And H 2 The relation is satisfied: h 1 ＜H 2 . In the air outlet direction of the air duct 12, the interval distance between the air duct bottom wall 115 and the center point of the heating device 3 is larger than the interval distance between the air duct air supply opening 13 and the center point of the heating device 3, so that the pressure loss of air flow can be reduced, the heating device 3 can be arranged closer to the air duct air supply opening 13, after the air in the air duct 12 is heated by the heating device 3, the flow path of the heated air in the air duct 12 is reduced, the heat loss of the air flow is reduced, and the air outlet temperature of the air supply device 100 can be increased.
In some embodiments of the present invention, as shown in fig. 1-4 and fig. 6-12, in the air outlet direction of the air duct 12, the heating device 3 may divide the air duct 12 into an air outlet duct cavity 16 (i.e. an air outlet cavity) and an air inlet duct cavity 15 (i.e. a diffusion cavity), the air inlet port 14 may be communicated with the diffusion cavity, the air outlet 13 of the air duct may be communicated with the air outlet cavity, the air in the diffusion cavity is suitable for flowing into the air outlet cavity from the heating device 3, and the air in the diffusion cavity may also flow into the air outlet duct cavity 16 from between the heating device 3 and the side wall of the air duct 12. The air duct air supply opening 13 may be an air supply outlet, and air flow may flow into the air inlet air duct cavity 15 of the air duct 12 from the air inlet interface 14, and finally the air flow blows out of the air supply device 100 from the air duct air supply opening 13. The air guide structure can be arranged in the air duct air supply opening 13, the air guide structure can adjust the flow direction of the air flow, and when the air flow flows through the air duct air supply opening 13, the air guide structure can blow the air flow according to a proper angle, for example, the air guide structure can enable the air outlet direction of the air supply device 100 to face towards a user, so that the air supply device 100 can bring comfortable use experience for the user.
Further, the air duct 12 is divided into an air outlet cavity and a diffusion cavity by the heating device 3, when the air flows into the air duct 12 from the air inlet interface 14, the air can firstly enter the diffusion cavity, then flow from the diffusion cavity to the air outlet cavity, and finally the air is blown out from the air duct air supply outlet 13. The flow speed and the pressure of the air flow can be reduced by the diffusion cavity, the air blown out by the air supply device 100 is more gentle, when the air flow in the diffusion cavity flows to the air outlet cavity, the air flow can pass through the heating device 3, the pressure loss of the air with the flow speed and the pressure reduced in the diffusion cavity is smaller when the air passes through the heating device 3, so that the air outlet speed of the air supply device 100 can be improved, the air supply range of the air supply device 100 can be further improved, and the product quality of the air supply device 100 can be further improved.
In some embodiments of the present invention, as shown in fig. 3, 4, 6-8, 11 and 12, the lower end of the heating device 3 may be provided with a first plug connector 31, and the duct body 11 may be provided with a second plug connector 17 that is in plug-fit with the first plug connector 31. The first plug-in component 31 may extend in the length direction of the heating device 3, as shown in fig. 3, the length direction of the heating device 3 may refer to the up-down direction in fig. 3, the second plug-in component 17 may extend in the height direction of the air duct body 11, as shown in fig. 3, the height direction of the air duct body 11 may refer to the up-down direction in fig. 3, and the connection reliability of the lower end of the heating device 3 and the air duct body 11 may be improved by plug-in matching the first plug-in component 31 with the second plug-in component 17, and the air duct body 11 may limit the position of the heating device 3 in the air duct 12 through the second plug-in component 17, so as to avoid the shaking of the heating device 3 in the air duct 12, and further ensure the heating effect of the heating device 3, and also reduce the probability of the heating device 3 being crashed.
Further, one of the first connector 31 and the second connector 17 may be provided as a slot, the other of the first connector 31 and the second connector 17 may be provided as a tab, that is, when the first connector 31 is provided as a slot, the second connector 17 is provided as a tab, when the second connector 17 is provided as a slot, the first connector 31 is provided as a tab, preferably, the first connector 31 may be provided as a tab, the second connector 17 may be provided as a slot, and in the height direction of the air blowing device 100, the tab may be inserted into the slot from top to bottom to complete the plug-in engagement of the first connector 31 and the second connector 17, when the tab is inserted into the slot, the tab may abut against a side wall of the slot and/or a bottom of the slot, the side wall of the slot may restrict displacement of the tab in a horizontal direction in the slot, and the bottom of the slot may restrict displacement of the tab in a vertical direction in the slot. Preferably, the plugboard can be respectively abutted against the side wall of the slot and the slot bottom of the slot, and the slot can simultaneously limit the displacement of the plugboard in the horizontal direction and the vertical direction, so that the lower end of the heating device 3 can be fixed on the air duct body 11, and the position stability of the heating device 3 can be improved.
In some embodiments of the present invention, as shown in fig. 3 to 6, 11 and 12, the upper end of the heating device 3 may be provided with a first connection portion 32, and the duct body 11 may be provided with a second connection portion 18, and the second connection portion 18 is connected with the first connection portion 32. Wherein, through the cooperation of first connecting portion 32 and second connecting portion 18, wind channel body 11 can restrict the position of heating device 3's upper end on wind channel body 11 through second connecting portion 18 to can make heating device 3's upper end firmly install on wind channel body 11. Further, by connecting the first connector 31 and the second connector 17 and connecting the first connecting portion 32 and the second connecting portion 18, the lower end and the upper end of the heating device 3 can be respectively limited, so that the heating device 3 can be stably mounted in the duct 12, and the operation stability of the blower 100 can be further improved.
Further, one of the first connection part 32 and the second connection part 18 may be provided as a mounting hole, the other of the first connection part 32 and the second connection part 18 may be provided as a mounting post, and the mounting hole may be sleeved on the mounting post. Wherein when the first connection portion 32 is provided as a mounting hole, the second connection portion 18 is provided as a mounting post, and when the second connection portion 18 is provided as a mounting hole, the first connection portion 32 is provided as a mounting post, preferably the first connection portion 32 is provided as a mounting hole, the second connection portion 18 is provided as a mounting post, a fastener 6 may be provided between the first connection portion 32 and the second connection portion 18, and in some alternative embodiments of the present invention, the fastener 6 may be provided as a screw. In the thickness direction of the heating device 3, the mounting hole may penetrate the heating device 3, and the thickness direction of the heating device 3 may refer to the front-rear direction in fig. 3. The mounting column can pass the mounting hole, and the outer wall of mounting column can block with the inner wall of mounting hole to the displacement of restriction mounting hole, and can be provided with the screw hole on the mounting column, the screw can pass mounting hole, mounting column back with mounting column and mounting column together in proper order, thereby can make heating device 3 fixed mounting on wind channel body 11.
In some embodiments of the present invention, the mounting post may further be provided with a clamping structure, the clamping structure may be in clamping connection with the mounting hole, the clamping structure may be provided as a buckle, and the buckle and the mounting hole may be in clamping fit, so that the clamping structure 5 and the heating device 3 are reliably connected together. Wherein, the joint structure can set up the surface at the erection column, through setting up the joint structure on the erection column, the joint structure can make heating device 3's upper end reliably connect on wind channel body 11 to can prevent that heating device 3's upper end from coming off from the erection column.
In some embodiments of the present invention, as shown in fig. 4, 5 and 12, a spacer 5 may be provided between the heating device 3 and the fastener 6, wherein the extending direction of the spacer 5 may be the same as the extending direction of the heating device 3, the spacer 5 may be extended in the height direction of the air supply device 100, and the spacer 5 may be disposed at a side of the heating device 3 away from the air duct air supply opening 13, and when the fastener 6 is a screw, a side of the spacer 5 close to the heating device 3 may be stopped against the heating device 3 during the assembly of the heating device 3 and the air duct body 11. One side of the gasket 5 far away from the heating device 3 can be abutted against the screw, and the gasket 5 is arranged between the heating device 3 and the screw, so that the contact area between the screw and the heating device 3 can be increased by the gasket 5, the upper end of the heating device 3 can be prevented from falling off from the mounting column, and the working stability of the air supply device 100 can be improved.
It should be noted that, as shown in fig. 12, the upper end of the gasket 5 may be provided with a clamping portion 51, the air duct body 11 may be correspondingly provided with an avoidance groove 52, the clamping portion 51 may be disposed in the avoidance groove 52, and the clamping portion 51 may be in clamping fit with the avoidance groove 52, the avoidance groove 52 may limit the upper end of the gasket 5 to rotate, and the avoidance groove 52 may prevent the fastener 6 from rotating when the gasket 5 is assembled between the heating device 3 and the fastener 6, so as to maintain the contact area between the gasket 5 and the heating device 3, and further reduce the loosening probability of the heating device 3.
In some embodiments of the present invention, as shown in fig. 4, 5, 12, the heating device 3 may include: the mounting bracket 35 and the piece 36 generate heat, mounting bracket 35 can be provided with the installation chamber, can be provided with the piece 36 that generates heat in the installation chamber, and first plug connector 31 sets up on mounting bracket 35. Wherein, the installation cavity can be with air inlet wind channel chamber 15 intercommunication, and the installation cavity also can be with air-out wind channel chamber 16 intercommunication, and the air in the air inlet wind channel chamber 15 can enter into the installation cavity, and the air can flow out in the air-out wind channel chamber 16 after the heat transfer is accomplished in the installation cavity. And, the heating element 36 can be arranged in the installation cavity, when the heating element 36 is electrified, the heating element 36 can generate heat, the heating element 36 can heat the air contacted with the heating element 36, and when the heating device 3 is in a working state, the air can make the air supply device 100 blow out warm air after passing through the heating element 36.
In some embodiments of the present invention, the volume of the inlet duct chamber 15 is V 1 Volume of the outlet duct chamber 16Is V (V) 2 The relation is satisfied: 2V of 2 ≤V 1 . Wherein, in the front and back direction of air supply device 100, air inlet wind channel chamber 15 can be close to the rear end setting of air supply device 100, and air outlet wind channel chamber 16 can be close to the front end setting of air supply device 100, through setting up the volume of air inlet wind channel chamber 15 at the volume of air outlet wind channel chamber 16 twice and more, when the air current gets into air inlet wind channel chamber 15 from air inlet interface 14, the air current can cushion in air inlet wind channel chamber 15, and the pressure and the velocity of flow of air current all can reduce to can make the air current more gently flow in wind channel 12, and then can reduce the wind noise that produces between air current and the air supply device 100.
In addition, in order to make the volume of the air inlet duct cavity 15 be twice or more than the volume of the air outlet duct cavity 16, the heating device 3 can be arranged close to the air duct air supply opening 13, the distance between the heating device 3 and the air duct air supply opening 13 is shorter, the air flow can firstly pass through the air inlet duct cavity 15 with larger volume before reaching the heating device 3, after the air flow passes through the heating device 3, compared with the prior art, the loss of heat in the air flow in the air duct 12 is lower, thereby the air outlet temperature of the air supply device 100 is higher, and the heating effect of the air supply device 100 to the surrounding environment can be improved.
In some embodiments of the present invention, as shown in fig. 1 to 4 and 6 to 12, the duct body 11 may include: the front air duct body 19 (the first air duct body 11) and the rear air duct body 110 (the second air duct body 11), the first air duct body 11 and the second air duct body 11 are connected together, and the first air duct body 11 and the second air duct body 11 can jointly define the air duct 12, and the heating device 3 can be arranged in the front air duct body 19. Wherein, in order to reduce the production difficulty of the air duct body 11, and simultaneously in order to set the heating device 3 in the air duct 12, the air duct body 11 may be molded separately, i.e. the air duct body 11 is divided into a front air duct body 19 and a rear air duct body 110. Further, in order to satisfy aesthetic demands of users, the air duct body 11 may form the first air duct body 11 and the second air duct body 11 along the front-rear direction of the air duct body 11 when the mold is separated, wherein the first air duct body 11 may be disposed near the front end of the air supply device 100, and the second air duct body 11 may be disposed near the rear end of the air supply device 100.
And can adopt the mode of welding, joint or spiro union to connect between front wind channel body 19 and the back wind channel body 110, can form wind channel body 11 after front wind channel body 19 and back wind channel body 110 assemble, in order to make the volume in air inlet wind channel chamber 15 be the twice of the volume in air outlet wind channel chamber 16 and above, heating device 3 can set up in first wind channel body 11, set up like this also can reduce heating device 3 to the distance of wind channel supply-air outlet 13 to can make air supply device 100 better to the heating effect of surrounding environment.
In some embodiments of the present invention, as shown in fig. 3, 4 and 6, the air inlet 14 is disposed at the lower end of the air duct 12, and the lower end of the heating device 3 is disposed offset from the air inlet 14 in the front-rear direction of the air supply device 100. Specifically, in the front-rear direction of the air supply device 100, the lower end position of the heating device 3 is closer to the front end of the air supply device 100 than the position of the air inlet interface 14, and the air inlet interface 14 can extend into the slot of the front air duct body 19, when air passes through the air supply piece 22, most of the air flow can flow into the air inlet duct cavity 15 through the air inlet interface 14, so that the lower end of the heating device 3 can be prevented from shielding the air inlet interface 14, the air flow can smoothly flow into the air duct 12, and therefore, the air supply distance and the air supply area of the air supply device 100 can be increased, and the working noise of the air supply device 100 can be further reduced. And after the air flow flows into the air inlet channel cavity 15 through the air inlet interface 14, the pressure of the air flow in the air inlet channel cavity 15 is gradually reduced, the air speed is gradually reduced, the speed of the air flow flowing to the heating device 3 is relatively gentle, and the air flow can fully exchange heat with the heating device 3, so that the heating efficiency of the heating device 3 on the air can be improved.
In some embodiments of the present invention, as shown in fig. 3, 4, 6, 8 and 12, the air duct 12 may be provided with a diversion surface 111 at the air inlet interface 14, the diversion surface 111 may be disposed to extend obliquely in a direction from the air inlet interface 14 to the air outlet 13 of the air duct, and the rear wall surface of the lower end of the heating device 3 may be disposed at an extension end of the diversion surface 111, that is, the rear wall surface of the lower end of the heating device 3 may be disposed in alignment with the extension end of the diversion surface 111. The air flow can flow into the air duct 12 along the surface of the guiding surface 111, and the guiding surface 111 can adjust the flowing direction of the air flow. The rear direction of the heating device 3 may refer to the rear direction in fig. 3, the rear direction of the upper end of the guide surface 111 may be identical to the rear direction of the heating device 3, and by aligning the rear wall surface of the lower end of the heating device 3 with the extending end of the guide surface 111, excessive fluctuation between the rear wall surface of the lower end of the heating device 3 and the extending end of the guide surface 111 may be avoided, and the lower end of the heating device 3 may be further prevented from blocking the air inlet port 14, so that the pressure loss of the air flow may be reduced, noise may be prevented from being generated when the air flowing on the guide surface 111 transits to the heating device 3, and the blowing range of the air blowing device 100 may be improved, and the working noise of the air blowing device 100 may be reduced.
In some embodiments of the present invention, as shown in fig. 12, the air supply device 100 may further include: temperature limiter 4, temperature limiter 4 may be disposed within air duct 12, with temperature limiter 4 sandwiched between the side walls of air duct 12 and heating device 3. When the air supply device 100 fails, for example, the heating device 3 is in an operating state, and the air supply member 22 is in a non-operating state, no air is blown out from the air supply device 100, and at this time, the heating device 3 is continuously in a heating state, and the surface of the heating device 3 cannot be cooled by air, which may cause overheating and burning loss of the heating device 3. In this application, through setting up temperature limiter 4 between the lateral wall of wind channel 12 and heating device 3, temperature limiter 4 can be connected with heating device 3 series connection electricity, temperature limiter 4 can detect heating device 3's temperature, when heating device 3's temperature exceeded temperature threshold value that temperature limiter 4 set for, temperature limiter 4 can cut off heating device 3's circuit, no longer continue heating after heating device 3's circuit disconnection, heating device 3's temperature can resume in normal operating temperature range gradually to heating device 3 can be protected, the probability that air supply device 100 overheated on fire also can be reduced, and then the safety in utilization of air supply device 100 can be improved.
In some embodiments of the present invention, as shown in fig. 12, a temperature limiter 4 may be provided to the heating device 3, and the temperature limiter 4 may be provided near an upper end of the heating device 3. Wherein the temperature limiter 4 may be fixedly installed on the heating device 3, and the temperature limiter 4 may be electrically connected with the heating device 3, in some embodiments of the present invention, a neutral wire and a live wire may be disposed in the heating device 3, the temperature limiter 4 may be connected with the neutral wire and/or the live wire in the heating device 3, the temperature limiter 4 may include a temperature detecting part and a switching part, the temperature detecting part may be used to detect the temperature of the heating device 3, the switching part may be used to cut off a circuit of the heating device 3, and the temperature detecting part may control the switching part to cut off the circuit of the heating device 3 when the temperature detecting part detects that the upper end temperature of the heating device 3 exceeds a preset temperature threshold, thereby preventing the heating device 3 from overheating.
And, after the air current gets into the air inlet duct chamber 15, along with the distance of air current and air inlet interface 14 increases, the pressure and the velocity of flow of air current all can reduce, compares with heating device 3's lower extreme, and the distance between heating device 3's upper end and air inlet interface 14 is longer than the distance between heating device 3's lower extreme and air inlet interface 14, and the velocity of flow of air current is slower in heating device 3's upper end, and heating device 3's upper end's temperature is higher. By arranging the temperature limiter 4 at the upper end of the heating device 3, the temperature measured by the temperature limiter 4 can be more close to the highest temperature of the heating device 3, so that the accuracy of the temperature limiter 4 in working can be improved, and the use safety of the air supply device 100 can be further improved.
It should be noted that, in some alternative embodiments of the present invention, the switch portion may be a disposable switch, which may be a fuse, and the switch portion may cut off the circuit of the heating device 3 by overheat fusing of the fuse, so that the production cost of such an embodiment is low, but the fuse needs to be replaced again after fusing. In other alternative embodiments of the present invention, the switch portion may be a resettable switch, and the resettable switch may be automatically reset or manually reset after the circuit of the heating device 3 is turned off and the temperature of the heating device 3 is reduced, which has a high production cost, but the maintenance cost of the air supply device 100 is lower. Both the disposable switch and the resettable switch can protect the heating device 3, so that overheat damage of the heating device 3 can be avoided, and the use safety of the air supply device 100 can be improved.
In some embodiments of the invention, as shown in fig. 3-6, 8-13, the side walls of the heating device 3 may be provided with mounting grooves 33, the mounting grooves 33 being used for mounting the temperature limiter 4. Wherein, the sidewall of the heating device 3 may refer to a left sidewall of the heating device 3 or a right sidewall of the heating device 3 in fig. 1, the installation groove 33 may be provided as a U-shaped groove, and the temperature limiter 4 may be provided in the installation groove 33. The opening width dimension of the mounting groove 33 may be equal to or smaller than the thickness dimension of the thermostat 4, the side wall of the mounting groove 33 may be stopped against the thermostat 4, and the side wall of the mounting groove 33 may reliably clamp the thermostat 4 under the clamping force, so that the thermostat 4 may be mounted on the side wall of the heating device 3.
Further, the plurality of mounting grooves 33 may be provided, the plurality of mounting grooves 33 are sequentially spaced apart in the height direction of the heating device 3, and the plurality of mounting grooves 33 are sequentially correspondingly provided in the height direction of the heating device 3, and the temperature limiter 4 is installed in the plurality of mounting grooves 33 at the same time, so that the temperature limiter 4 is more firmly installed, and falling-off of the temperature limiter 4 can be avoided.
It should be noted that, according to an actual test, setting the temperature limiter 4 on the front side wall or the rear side wall of the heating device 3 cannot enable the temperature limiter 4 to measure accurate temperature data, and the temperature limiter 4 cannot be well in a working state, so that the protection function of the temperature limiter 4 is easy to fail. Therefore, by providing the temperature limiter 4 on the left side wall of the heating device 3 or the right side wall of the heating device 3, the interference of the air flow to the temperature limiter 4 can be reduced, the accuracy of detecting the temperature by the temperature limiter 4 can be improved, and the use safety of the air blowing device 100 can be further improved.
Further, the side wall of the heating device 3 may be provided with a limiting wall 37, the limiting wall 37 may be provided with a second limiting rib 39 and a first limiting rib 38, the second limiting rib 39 and the first limiting rib 38 may be opposite and spaced apart, the second limiting rib 39 and the first limiting rib 38 may define the mounting groove 33, and the temperature limiter 4 is inserted into the mounting groove 33. Wherein, the first spacing rib 38 and the second spacing rib 39 can both extend in the thickness direction of the heating device 3, and the first spacing rib 38 and the second spacing rib 39 can be arranged at intervals in the width direction of the heating device 3. Clamping force can be generated between the first limiting rib 38 and the temperature limiter 4 and between the second limiting rib 39 and the temperature limiter 4, the clamping force can ensure that the temperature limiter 4 is reliably installed on the side wall of the heating device 3, and falling-off of the temperature limiter 4 can be avoided.
And, one of the first spacing rib 38 and the second spacing rib 39 may be disposed near the mounting frame 35, and the other of the first spacing rib 38 and the second spacing rib 39 may be disposed away from the mounting frame 35, for example, the first spacing rib 38 may be disposed near the mounting frame 35, the second spacing rib 39 may be disposed away from the mounting frame 35, or the second spacing rib 39 may be disposed near the mounting frame 35, the first spacing rib 38 may be disposed away from the mounting frame 35, preferably, the first spacing rib 38 may be disposed near the mounting frame 35, and the second spacing rib 39 may be disposed away from the mounting frame 35, so that the mounting groove 33 is disposed on the side wall of the heating device 3.
In some embodiments of the present invention, as shown in fig. 9-12, the side walls of the air chute 12 may be provided with support platforms 112, the support platforms 112 being adapted to support the thermostat 4 so that the thermostat 4 may be fixed in position. In order to avoid the temperature limiter 4 from falling out of the temperature limiter mounting groove 34 after being mounted in the temperature limiter mounting groove 34, the supporting table 112 is arranged on the side wall of the air duct 12 opposite to the temperature limiter 4, the supporting table 112 can be abutted against the temperature limiter 4, the temperature limiter 4 can be clamped between the bottom of the temperature limiter mounting groove 34 and the supporting table 112, and after the heating device 3 is fixedly connected to the air duct body 11, the supporting table 112 can limit the position of the temperature limiter 4 in the temperature limiter mounting groove 34, so that the temperature limiter 4 can be prevented from falling out of the temperature limiter mounting groove 34.
Further, a notch may be formed on a side wall of the air duct 12, and a bottom wall of the notch may form the support table 112. The side wall of the air duct 12 may refer to an inner surface of the air duct 12, which is close to the mounting groove 33, a notch on the air duct 12 may avoid the temperature limiter 4, a bottom wall of the notch may form a supporting table 112, the supporting table 112 abuts against the temperature limiter 4, and the air duct body 11 may support and limit the position of the temperature limiter 4 in the temperature limiter mounting groove 34 through the supporting table 112, so as to prevent the temperature limiter 4 from falling out of the temperature limiter mounting groove 34.
In some embodiments of the present invention, as shown in FIG. 12, the distance from the midpoint of the temperature limiter 4 to the upper end of the heating device 3 in the height direction of the heating device 3 is L 1 The distance from the middle point of the temperature limiter 4 to the lower end of the heating device 3 is L 2 ，L 1 And L 2 The relation is satisfied: l (L) 1 /L 2 < 0.4. It will be appreciated that the distance from the midpoint of the temperature limiter 4 to the lower end of the heating device 3 may be set to be 2.5 times or more the distance from the midpoint of the temperature limiter 4 to the upper end of the heating device 3, and the distance from the midpoint of the temperature limiter 4 to the lower end of the heating device 3 may be set to be 2.8 times or more the distance from the midpoint of the temperature limiter 4 to the upper end of the heating device 3, preferably L 1 ：L 2 The ratio of (2) may be set to 1:2.8, the arrangement can ensure that the temperature controller 4 does not cut off the circuit of the heating device 3 when the air supply device 100 works normally, and can also ensure that the temperature controller 4 cuts off the circuit of the heating device 3 in time when the air supply device 100 works in fault, thereby reducing the probability of accident of the air supply device 100 and further improving the use safety of the air supply device 100.
In some embodiments of the present invention, as shown in fig. 3, 6-10, and 12, the heating device 3 may be disposed near the front end of the duct 12 in the front-rear direction of the air blowing device 100. Wherein, in the front-back direction of the air supply device 100, the air inlet channel cavity 15 may be near the rear end of the air supply device 100, the air outlet channel cavity 16 may be near the front end of the air supply device 100, by setting the heating device 3 near the front end of the air channel 12, before the air flow reaches the heating device 3 from the air inlet interface 14, the air flow may be buffered in the air inlet channel cavity 15, so that the flow velocity and pressure of the air flow flowing to different positions of the heating device 3 may be more uniform, thereby the air supply of the air supply device 100 may be more uniform, and the temperature of the air flow blown by the air supply device 100 may be more uniform, thereby the users located at different positions and different heights in front of the air supply device 100 may obtain good air blowing feeling. And, through the heating device 3 setting up near the front end of wind channel 12, can realize the effect that air inlet wind channel chamber 15 volume is greater than air outlet wind channel chamber 16 volume.
In some embodiments of the present invention, as shown in fig. 3, 4, 6 and 8, the heating device 3 may be extended in the height direction of the air duct 12. Note that, the height direction of the air duct 12 may refer to the up-down direction in fig. 3, and the height direction of the air duct 12 is consistent with the extending direction of the air duct body 11. By extending the heating device 3 in the height direction of the air duct 12, the heating device 3 can utilize the space of the air duct 12 as much as possible, so that the contact area between the heating device 3 and the air flow can be increased, and the amount of heating gas can be increased in unit time by increasing the contact area between the heating device 3 and the air flow, so that the gas in the air duct 12 can be quickly warmed, and the air supply device 100 can quickly blow out high-temperature gas.
Also, the side walls of the heating device 3 may be stopped against the inner wall of the air duct 12, as shown in fig. 11, the side walls of the heating device 3 may refer to the left and right side walls of the heating device 3 in fig. 11, and the inside of the heating device 3 may allow the air flow to pass through. When the air flow passes through the heating device 3, the air flow and the heating device 3 can exchange heat, and the temperature of the air flow after heat exchange is increased, so that the air supply device 100 can supply warm air.
In some embodiments of the present invention, as shown in fig. 3 and 6, the air duct air supply opening 13 and the heating device 3 are both extended in the height direction of the air duct 12, so that the air duct air supply opening 13 forms an elongated air supply opening on the air duct body 11, the heating device 3 is also elongated, the heating device 3 is disposed opposite to the air duct air supply opening 13 in the air outlet direction of the air duct 12, a plurality of heat conducting fins 311 may be disposed in the heating device 3, each of the plurality of heat conducting fins 311 may be disposed in a mounting cavity of the heating device 3, and the plurality of heat conducting fins 311 may constitute the heating element 36. As shown in fig. 5, the heat conductive sheets 311 may be heat conductive aluminum sheets, and the plurality of heat conductive aluminum sheets are arranged in a wave shape in a straight line, so that a plurality of air passing gaps 310 are formed between the adjacent heat conductive sheets 311, and the heating device 3 may be arranged to extend obliquely and backward from the lower end to the upper end of the air duct 12. In the air outlet direction of the air duct 12, the heating device 3 is arranged opposite to the air duct air supply opening 13, and the air flow of the air duct 12 flows through the heating device 3 and then flows to the air duct air supply opening 13, and the plurality of air passing gaps 310 in the heating device 3 can guide the air to blow in the upward direction in an inclined manner by extending the heating device 3 backward, so that the direction of the air blown from the air duct air supply opening 13 is upward in an inclined manner, and therefore, even if the whole height of the air supply device 3 is shorter, the upper half of the human body can be blown by the upward inclined air, and the whole height of the product of the air supply device 3 can be reduced.
In some embodiments of the present invention, as shown in fig. 3, a front end of the air duct 12 may be provided with an air duct supply opening 13 along an air outlet direction of the air duct 12, and a lower end of the air duct 12 may be provided with an air inlet interface 14. The upper end of the body 21 may form an open end, and the upper end opening of the body 21 may be connected with the air inlet port 14, so as to achieve the technical effect that the air duct component 1 is communicated with the body 2, and in the height direction of the air supply device 100, air flow may flow from the body 2 into the air inlet port 14, and then flow from the air inlet port 14 into the air duct 12. In addition, the air flow in the air duct 12 can be blown out from the air duct air supply opening 13, and the air duct air supply opening 13 is arranged at the front end of the air duct component 1, so that the opening direction of the air duct air supply opening 13 can face towards a user in the use process of the air supply device 100, and the air flow can be conveniently blown to the user.
In some embodiments of the present invention, as shown in fig. 4, 7-10, and 12, the air duct 12 may include a first air duct 113 and a second air duct 114, each of the first air duct 113 and the second air duct 114 may be in communication with the air inlet port 14, the first air duct 113 and the second air duct 114 are located at opposite sides of the longitudinal centerline 7 of the air supply device 100, and the heating device 3 includes a plurality of air ducts, and the heating device 3 may be disposed in each of the first air duct 113 and the second air duct 114. As shown in fig. 2, on two opposite sides of the longitudinal centerline 7 of the air supply device 100, the first air duct 113 and the second air duct 114 may be symmetrically disposed, and two opposite sides of the longitudinal centerline 7 of the air supply device 100 may refer to the left side and the right side of the air supply device 100 in fig. 1, the first air duct 113 may be disposed on the left side of the longitudinal centerline 7, and the second air duct 114 may be disposed on the right side of the longitudinal centerline 7, so that the air flow rates of the first air duct 113 and the second air duct 114 may be approximately the same, so that the user close to the first air duct 113 and the user close to the second air duct 114 may obtain comfortable air blowing feeling, and complaints of the user may be reduced.
And, heating device 3 can be provided in first wind channel 113 and second wind channel 114, and heating device 3 in first wind channel 113 can heat the air current in the first wind channel 113 to can make first wind channel 113 blow out the warm braw. The heating device 3 in the second air duct 114 can heat the air flow in the second air duct 114, so that the second air duct 114 can blow out warm air. In addition, as shown in fig. 12, in order to reduce the production cost, one heating device 3 of the two heating devices 3 may have a temperature limiter 4, and the temperature limiter 4 may limit the temperature of the two heating devices 3 at the same time, so that overheating damage of the heating devices 3 on both sides may be avoided.
However, the present invention is not limited thereto, and for example, both heating devices 3 may be provided with one temperature limiter 4, and both temperature limiters 4 may limit the temperature of both heating devices 3, respectively, and when one of the first air duct 113 and the second air duct 114 is blocked, the heating device 3 in the other one of the first air duct 113 and the second air duct 114 may still operate normally. For example, when the first air duct 113 is blocked, the temperature limiter 4 in the first air duct 113 may shut off the current of the heating device 3 in the first air duct 113 in order to avoid overheating damage of the heating device 3 in the first air duct 113. The temperature limiter 4 in the second air duct 114 may keep the heating device 3 in an operating state if it is detected that the temperature of the heating device 3 in the first air duct 113 does not exceed a predetermined operating threshold.
In some embodiments of the present invention, the air supply device 100 may have a cool air mode, the air supply device 100 may also have a hot air mode, the heating device 3 may be in an inactive state when the air supply device 100 performs the cool air mode, the heating device 3 may be in an active state when the air supply device 100 performs the hot air mode, and the heating device 3 may heat the air in the air duct 12. When the air supply device 100 executes the cold air mode or the hot air mode, the air in the air duct 12 can pass through the heating device 3, when the air supply device 100 executes the cold air mode, the heating device 3 does not generate heat, the air in the air duct 12 is not heated by the heating device 3, and the air supply device 100 can blow out cold air. When the air supply device 100 performs the hot air mode, the heating device 3 generates heat, and the heating device 3 can heat the air passing through the air duct 12, so that the air supply device 100 can blow out the hot air. By switching the operation mode of the blower 100, the blower 100 can be made to deliver cool air or warm air according to the user's needs, and the functionality of the blower 100 can be improved.
In some embodiments of the present invention, the air supply device 100 may be a bladeless fan. The bladeless fan is a bladeless air supply device, and compared with a traditional bladeless fan, the bladeless fan has more stable air flow of air blown out by the bladeless fan, and has larger air output, and the functionality of the air supply device 100 can be improved by arranging the air supply device 100 as the bladeless fan and arranging the heating device 3 in the air supply device 100.
According to some embodiments of the present invention, as shown in fig. 1 and 2, the air supply member 22 may have an air supply member air outlet port 23 and an air supply member air inlet 24, where the air supply member air outlet port 23 communicates with the air inlet port 14, and the body 21 is provided with a body air inlet 25, and the body air inlet 25 communicates with the air supply member air inlet 24. Wherein, through air supply piece air outlet interface 23 and air inlet interface 14 intercommunication, the air current that is passed through air supply piece 22 pressure boost can get into air inlet wind channel chamber 15 after air supply piece air outlet interface 23 and air inlet interface 14 in proper order to realize the air current and flow to the work effect in the wind channel part 1 from fuselage 2.
And, the two sides of the machine body 2 may be provided with the machine body air inlet 25, as shown in fig. 1, the two sides of the machine body 2 may refer to the left side and the right side of the machine body 2, the machine body air inlet 25 may be communicated with the air supply member air inlet 24, air in the external environment may enter the air supply member 22 from the machine body air inlet 25, when the air supply member 22 is in a working state, the air supply member 22 may suck air through the machine body air inlet 25, and the air flow is blown out from the air duct air supply opening 13, so as to realize the working effect of vaneless air blowing of the air supply device 100.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (20)
1. An air blowing device, comprising:
an air duct component comprising an air duct body having an air duct therein;
the air duct component is connected with the air duct component, and the air duct component comprises an air duct body and an air supply piece arranged in the air duct body;
The heating device is arranged in the air duct;
the air duct is provided with an air duct air supply opening and an air inlet interface, the air supply piece supplies air to the air duct through the air inlet interface, the air duct blows out air through the air duct air supply opening, and the heating device is arranged at the front part of the air duct in the air outlet direction of the air duct;
the temperature limiter is arranged in the air duct and is clamped between the heating device and the side wall of the air duct; wherein the method comprises the steps of
The temperature limiter is arranged on the heating device and is close to the upper end of the heating device;
in the height direction of the heating device, the distance from the midpoint of the temperature limiter to the upper end of the heating device is L 1 The distance from the midpoint of the temperature limiter to the lower end of the heating device is L 2 The relation is satisfied: l (L) 1 /L 2 ＜0.4。
2. The air supply device of claim 1, wherein the air duct comprises: the air duct bottom wall opposite to the air supply opening of the air duct is sealed by the rear part of the air duct body along the air outlet direction of the air duct, and the interval distance between the central point of the heating device and the air supply opening of the air duct is H 1 The distance between the central point of the heating device and the bottom wall of the air duct is H 2 The relation is satisfied: h 1 ＜H 2 。
3. A blowing device according to claim 1, characterized in that in the direction of the outlet of the air duct, the heating device divides the air duct into an inlet air duct chamber communicating with the inlet air interface and an outlet air duct chamber communicating with the air duct outlet, the air in the inlet air duct chamber being adapted to flow from the heating device (3) into the outlet air duct chamber.
4. A blowing device according to claim 3, wherein the volume of the inlet duct chamber is V 1 The air outlet isThe volume of the channel cavity is V 2 The relation is satisfied: 2V of 2 ≤V 1 。
5. The air supply device according to claim 1, wherein a first plug connector is arranged at the lower end of the heating device, and a second plug connector which is in plug fit with the first plug connector is arranged on the air duct body.
6. The air blowing apparatus of claim 5, wherein one of the first and second connectors is provided as a slot and the other of the first and second connectors is provided as a plugboard.
7. The air supply device according to claim 5 or 6, wherein a first connecting portion is provided at an upper end of the heating device, the duct body is provided with a second connecting portion connected to the first connecting portion, one of the first connecting portion and the second connecting portion is provided with a mounting hole, the other of the first connecting portion and the second connecting portion is provided with a mounting post, and the mounting hole is sleeved on the mounting post.
8. The air supply device of claim 7, wherein the mounting post is provided with a snap-fit structure that snaps into engagement with the mounting hole.
9. The air supply device according to claim 5, wherein the heating device includes: the mounting bracket and the piece that generates heat, the mounting bracket is equipped with the installation cavity, the piece that generates heat is located in the installation cavity, first plug connector sets up on the mounting bracket.
10. The air supply device according to claim 1, wherein the duct body includes: the air conditioner comprises a front air duct body and a rear air duct body, wherein the front air duct body is connected with the rear air duct body and jointly defines an air duct, and the heating device is arranged in the front air duct body.
11. The air supply device according to claim 1, wherein the air inlet port is arranged at the lower end of the air duct, and the lower end of the heating device is staggered with the air inlet port in the front-rear direction of the air supply device.
12. The air supply device according to claim 1, wherein a guide surface is arranged at the air inlet interface of the air duct, the guide surface extends obliquely from the air inlet interface towards the air supply opening of the air duct, and a rear wall surface at the lower end of the heating device is arranged at the extending end of the guide surface.
13. The air supply device according to claim 1, wherein a mounting groove is formed in a side wall of the heating device, and the temperature limiter is mounted in the mounting groove.
14. The air supply device according to claim 13, wherein a side wall of the heating device is provided with a limiting wall, the limiting wall is provided with a first limiting rib and a second limiting rib, the first limiting rib and the second limiting rib are opposite and spaced apart to define the mounting groove between the first limiting rib and the second limiting rib, and the temperature limiter is inserted into the mounting groove.
15. The air supply device according to claim 1, wherein a support table is arranged on the side wall of the air duct, and the support table is suitable for supporting the temperature limiter so as to fix the temperature limiter.
16. The air supply device of claim 15, wherein a notch is formed in a side wall of the air duct, and a bottom wall of the notch is the supporting table.
17. The air supply device according to claim 1, wherein the air outlet of the air duct and the heating device extend in the height direction of the air duct, the heating device is arranged opposite to the air outlet of the air duct in the air outlet direction of the air duct, the heating device comprises a plurality of heat conducting fins, an air passing gap is formed between two adjacent heat conducting fins, and the heating device extends obliquely backwards from the lower end to the upper end of the air duct.
18. The air supply device of claim 1, wherein the air duct comprises a first air duct and a second air duct, both in communication with the air intake interface, the first air duct and the second air duct being located on opposite sides of a longitudinal centerline of the air supply device;
the heating device comprises a plurality of heating devices, and the heating devices are arranged in the first air duct and the second air duct.
19. The air supply device according to claim 1, wherein the air supply device has a cool air mode and a hot air mode, the heating device is not operated when the air supply device performs the cool air mode, and the heating device is operated to heat the air in the air duct when the air supply device performs the hot air mode.
20. The air supply device of claim 1, wherein the air supply device is a bladeless fan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429374.5A CN115218255B (en) | 2021-04-21 | 2021-04-21 | Air supply device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429374.5A CN115218255B (en) | 2021-04-21 | 2021-04-21 | Air supply device |
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| CN115218255A CN115218255A (en) | 2022-10-21 |
| CN115218255B true CN115218255B (en) | 2024-01-05 |
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| CA2417452A1 (en) * | 2003-01-14 | 2004-07-14 | Dave Johnson | The vento-later snake |
| CN103388890A (en) * | 2012-05-11 | 2013-11-13 | 珠海格力电器股份有限公司 | Electric heating device and air conditioner |
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|---|---|
| CN115218255A (en) | 2022-10-21 |
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