CN109424558A - Gas heater and fan assembly for gas heater - Google Patents
Gas heater and fan assembly for gas heater Download PDFInfo
- Publication number
- CN109424558A CN109424558A CN201710771342.7A CN201710771342A CN109424558A CN 109424558 A CN109424558 A CN 109424558A CN 201710771342 A CN201710771342 A CN 201710771342A CN 109424558 A CN109424558 A CN 109424558A
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- China
- Prior art keywords
- motor
- fan assembly
- gas heater
- casing
- wind chamber
- Prior art date
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- 239000007789 gas Substances 0.000 claims abstract description 59
- 238000009434 installation Methods 0.000 claims description 19
- 239000003517 fume Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 21
- 239000003546 flue gas Substances 0.000 abstract description 21
- 230000005855 radiation Effects 0.000 abstract description 9
- 238000013021 overheating Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 230000000694 effects Effects 0.000 description 7
- 239000000567 combustion gas Substances 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of gas heater and for the fan assembly of gas heater, the fan assembly for gas heater includes: casing, spaced first wind chamber and the second wind chamber are defined in the casing, the first wind chamber has the first air inlet and the first air outlet, and the second wind chamber has the second air inlet and the second air outlet；Radiating wheel, it is intracavitary that the radiating wheel is located at first wind；Impeller, it is intracavitary that the impeller is located at second wind；Motor, the motor are set on the housing, and between the impeller and the motor, the drive shaft of the motor is successively connected with the radiating wheel and the impeller radiating wheel.Fan assembly according to an embodiment of the present invention for gas heater can effectively avoid heat radiation of the motor by high-temperature flue gas, can reduce the environment temperature around motor and accelerate motor radiating, prevent motor overheating.
Description
Technical field
The present invention relates to gas heater technical fields, more particularly, to a kind of gas heater and for combustion gas heat
The fan assembly of hydrophone.
Background technique
Currently, the forced-ventilated gas water heater of gas heater industry can be divided into strong odd test and strong drum-type.Strong odd test combustion gas
Exhaust gas is forced discharge outdoor by top of the electric fan of water heater in machine using draft, and forced exhaust gas water heater
Lower part of the blower in machine bloats exhaust gas outdoor.The direct current generator that strong drum-type blower largely uses, revolving speed is adjustable, wind resistance
Ability is excellent.Strong odd test blower is using AC blower fan, and revolving speed is substantially stationary, and wind loading rating is poor, but processing technology letter
Single, complete machine cost advantage is obvious.
For this purpose, industry in it has been proposed that exploitation the strong suction gas water heater of direct current, but direct current generator inside be equipped with motor control
Circuit board processed is integrated with the semiconductor materials such as Hall component, the high power tube of output revolving speed and some resistance electricity on control panel
Hold, the working characteristics and working life of semiconductor components and devices are all affected by temperature larger.And the blower of strong suction gas water heater
Component is located above heat exchanger, and the moment is influenced by high-temperature flue gas during the work time, cause temperature around spiral case compared with
It is high.The circuit board semiconductor component of blower is not only influenced by the temperature rise that itself work generates at this time, also by high ambient temperatures cigarette
The heat radiation that gas generates influences, and there are the risks of flue gas leakage.The temperature of fan circuit plate increases, and can cause semi-conductor electricity
The drift of gas characteristic, temperature is excessively high can to cause the irreversible damage of semiconductor.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of use
In the fan assembly of gas heater, the fan assembly for gas heater can effectively prevent motor overheating.
The invention also provides a kind of gas heaters with above-mentioned fan assembly.
Fan assembly according to an embodiment of the present invention for gas heater, comprising: casing defines in the casing
Spaced first wind chamber and the second wind chamber, the first wind chamber have the first air inlet and the first air outlet, described second
Wind chamber has the second air inlet and the second air outlet；Radiating wheel, it is intracavitary that the radiating wheel is located at first wind；Impeller, it is described
It is intracavitary that impeller is located at second wind；Motor, the motor are set on the housing, and the radiating wheel is located at the impeller and institute
It states between motor, the drive shaft of the motor is successively connected with the radiating wheel and the impeller.
Fan assembly according to an embodiment of the present invention for gas heater can effectively avoid motor by high temperature cigarette
The heat radiation of gas can reduce the environment temperature around motor and accelerate motor radiating, prevent motor overheating.
In addition, the fan assembly according to the above embodiment of the present invention for gas heater can also have following add
Technical characteristic:
Fan assembly according to an embodiment of the invention for gas heater, the motor, the impeller and institute
The pivot center for stating radiating wheel is horizontally extending, and second air inlet is located at the lower part of the casing, and described second goes out
Air port is located at the top of the casing.
Further, first air inlet is located at the side of the casing, and first air outlet is located at the casing
Top.
According to some embodiments of the present invention, the motor includes: motor body and the drive shaft, the motor body
It is located at the outside of the casing.
Further, the side of the casing is equipped with mounting hole, is located at the installation to the motor body clearance fit
To form first air inlet at hole.
Further embodiment according to the present invention, the outer periphery of the motor body are equipped with multiple circumferentially spaced along its
The mounting portion of setting, the mounting portion are connected by threaded fastener with the casing.
Optionally, the width of the fit clearance of the motor body and the mounting hole is 2mm-5mm.
According to some embodiments of the present invention, the motor is direct current generator.
In some embodiments of the invention, the casing includes: exhaust fume collecting hood；Cover board, the cover plate lid are located at the collection
The side of petticoat pipe；Thermal insulation board, the thermal insulation board are located between the exhaust fume collecting hood and the cover board, by the exhaust fume collecting hood and described
Space between cover board is separated into the first wind chamber and the second wind chamber, and the motor is connected with the cover board.
Gas heater according to an embodiment of the present invention, comprising: shell defines installation cavity in the shell；Combustion gas combustion
Burner, the gas burner are located in the installation cavity；Heat exchanger, the heat exchanger are located in the installation cavity and set
In the top of the gas burner；Fan assembly according to an embodiment of the present invention for gas heater, described first into
Air port is connected to the installation cavity, and second air inlet is connected to the exhanst gas outlet of the heat exchanger, first outlet air
Mouth and second air outlet are in communication with the outside.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the decomposition texture schematic diagram of fan assembly according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of gas heater according to an embodiment of the invention；
Fig. 3 is the structural schematic diagram of gas heater in accordance with another embodiment of the present invention.
Appended drawing reference:
Fan assembly 100；Gas heater 110；
Casing 10；First wind chamber 101；Second wind chamber 102；First air inlet 103；First air outlet 104；Second air inlet
105；Second air outlet 106；Mounting hole 107；
Exhaust fume collecting hood 11；Cover board 12；Thermal insulation board 13；
Radiating wheel 20；
Impeller 30；
Motor 40；Motor body 401；Drive shaft 402；Mounting portion 403；
Shell 50；Installation cavity 501；Ventilation hole 502；
Gas burner 60；Fuel gas inlet 601；
Heat exchanger 70；Water inlet 701；Water outlet 702；
Power panel 80.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention, ability
The those of ordinary skill in domain can carry out a variety of changes to these embodiments without departing from the principle and spirit of the present invention
Change, modification, replacement and variant, the scope of the present invention is defined by the claims and their equivalents.
In the description of the present invention, it is to be understood that, term " length ", " width ", " thickness ", "upper", "lower",
The orientation of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.In addition, defining " first ", the feature of " second " can explicitly or implicitly include
One or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two with
On.
Fan assembly 100 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 3.
Shown in referring to Fig.1, fan assembly 100 according to an embodiment of the invention may include: casing 10, radiating wheel
20, impeller 30 and motor 40.
Specifically, the first wind chamber 101 and the second wind chamber 102 can be defined in casing 10, the first wind chamber 101 and second
The interval of wind chamber 102 setting, wherein the first wind chamber 101 has the first air inlet 103 and the first air outlet 104, the second wind chamber 102
With the second air inlet 105 and the second air outlet 106.Radiating wheel 20 can be located in the first wind chamber 101, and impeller 30 can be located at
In second wind chamber 102, motor 40 can be located on casing 10, radiating wheel 20 between impeller 30 and motor 40, motor 40
Drive shaft 402 is successively connected with radiating wheel 20 and impeller 30.
The drive shaft 402 of motor 40 can drive radiating wheel 20 and impeller 30 to rotate simultaneously as a result, the pumping that impeller 30 rotates
Power makes high-temperature flue gas enter the second wind chamber 102 by the second air inlet 105, and the external world then is discharged via the second air outlet 106.Heat dissipation
The rotation of wheel 20 drives air to enter the first wind chamber 101 by the first air inlet 103, is then discharged via the first air outlet 104 outer
Boundary.
In the related art, between impeller and radiating wheel, the air disturbed in radiating wheel radiation processes is still motor
The heat dissipation effect of high temperature air after being radiated by high-temperature flue gas, motor is unobvious.
And in an embodiment of the present invention, the first wind chamber 101 and the second wind chamber for being spaced apart setting are equipped in casing 10
102, and impeller 30 is located in the second wind chamber 102, radiating wheel 20 is located in the first wind chamber 101, is formed and is spaced apart the double of setting
Exhausting system.Under the driving of impeller 30, high-temperature flue gas can be flowed out by the second wind chamber 102, in the process, high-temperature flue gas
It will not enter in the first wind chamber 101, will not be contacted with radiating wheel 20, it is possible to reduce the heat of high-temperature flue gas is passed to radiating wheel 20
It passs, radiating wheel 20 is reliable for operation, is conducive to improving radiating effect.Also, radiating wheel 20 is located between impeller 30 and motor 40,
That is motor 40 is also in the second wind chamber 102, it can be by the cavity wall interval between the first wind chamber 101 and the second wind chamber 102
It opens, and has a certain distance with the second wind chamber 102 of high temperature.High-temperature flue gas both will not directly be blown to motor 40 as a result, also can
Enough heat transfers reduced to motor 40,40 received heats of motor reduce, and radiating wheel 20 can promote dissipating to motor 40
Heat, the reliability that motor 40 works are promoted.
Fan assembly 100 according to an embodiment of the present invention, by the way that 101 He of the first wind chamber spaced apart is arranged in casing 10
Second wind chamber 102, and radiating wheel 20 is set between impeller 30 and motor 40, it can effectively avoid motor 40 by high-temperature flue gas
Heat radiation, the environment temperature around motor 40 can be reduced and accelerate motor 40 heat dissipation, prevent motor 40 overheat.
In the related art, the pivot center of fan part extends along the vertical direction, since fan part is perpendicular to turning
The size in shaft line direction is greater than the width along pivot center direction, it is therefore desirable to the level side of the device with fan part
To thickness it is sufficiently large, to realize the installation of fan part.And according to some embodiments of the present invention, as shown in Figure 1-Figure 3, electricity
The pivot center of machine 40, impeller 30 and radiating wheel 20 can be horizontally extending, the thickness of the device with fan assembly 100
The only width of fan assembly 100, size is smaller, and fan assembly 100 is easy for installation.
In addition, the second air inlet 105 can be located at the lower part of casing 10, the second air outlet 106 can be located at casing 10
Top, high-temperature flue gas directly enter the second wind chamber 102 by the second air inlet 105, outdoor then are discharged by the second air outlet 106,
Bend loss is not present in high-temperature flue gas flow path, and wind resistance effect is more preferable.
As shown in Figure 1, in some embodiments of the invention, the first air inlet 103 can be located at the side of casing 10, the
One air outlet 104 can be located at the top of casing 10, as a result, in 100 operation process of fan assembly, far from the second wind chamber 102
Side the cold air for being not affected by high-temperature flue gas heat radiation it is continual by the first air inlet 103 enter the first wind chamber 101, and
Be discharged by the first air outlet 104 so that the air in the first wind chamber 101 is in flow regime, remain lower temperature without
It is influenced by the heat radiation of high-temperature flue gas in the second wind chamber 102, the air that thus radiating wheel 20 disturbs is always cold air, makes motor
40 heat dissipation effect becomes apparent.
According to some embodiments of the present invention, motor 40 may include: motor body 401 and drive shaft 402.Motor body
401 are located at the outside of casing 10, and motor body 401 realizes the driving to impeller 30 and radiating wheel 20 by drive shaft 402.By
This, motor body 401 is not only farther at a distance from the second wind chamber 102 of high temperature, nor is located at the heat by the second wind chamber 102
In first wind chamber 101 of radiation effect, the ambient temperature of motor body 401 is relatively lower, further decreases high-temperature flue gas to electricity
The influence of the temperature of owner's body 401, anti-thermal effect excessively are more preferable.
Further, as shown in Figure 1, the side of casing 10 can be equipped with mounting hole 107,401 clearance fit of motor body
Ground is located at mounting hole 107 to form the first air inlet 103, and cold air enters the first wind chamber 101 by the first air inlet 103, into
Wind is smooth, ensure that the flow of cold air, and structure is simple.
The degree of the fit clearance of motor body 401 and mounting hole 107 can flexible design according to the actual situation, it is optional
Ground, according to some embodiments of the present invention, the width of the fit clearance of motor body 401 and mounting hole 107 can be 2mm-
5mm.The width of fit clearance will not be too small as a result, cold air can be made to enter the first wind chamber 101 more smooth, and between cooperation
Gap will not be excessive, guarantees that the connection of motor body 401 and mounting hole 107 is stronger reliable.For example, in some tools of the invention
In body embodiment, the value of the width of fit clearance is respectively 3mm, 3.5mm, 4mm, 4.5mm etc..
In some embodiments of the invention, it shown in referring to Figures 1 and 2, can be equipped in the outer periphery of motor body 401
Multiple mounting portions 403, multiple mounting portions 403 are along the circumferentially spaced setting of motor body 401, and mounting portion 403 passes through screw thread
Fastener is connected with casing 10, connect motor body 401 with casing 10 stronger, and connects simply, is easily installed.It needs
Bright, the present invention does not do in specifically limited, shown in Fig. 1 specific embodiment the quantity of mounting portion 403, mounting portion 403
Including three, naturally it is also possible to the quantity of flexible setting mounting portion 403 as needed, it is only necessary to meet motor body 401 and machine
The requirement of 10 firm and reliable connection of shell.In addition, the mounting portion 403 and the connection type of casing 10 of motor body 401 are unlimited
It in this, needs according to the actual situation, for example, the mounting portion 403 of motor body 401 can also pass through coupler construction phase with casing 10
Even, it or can also be integrally formed.
According to some embodiments of the present invention, motor 40 can be direct current generator, and the power factor (PF) of direct current generator is high, more save
Can, and revolving speed is adjustable, and wind loading rating is stronger, so that fan assembly 100 works more stable and reliable, flexibility is stronger and more energy efficient.
Further, as shown in Figure 1, casing 10 may include: exhaust fume collecting hood 11, cover board 12 and thermal insulation board 13.Cover board 12 can
To cover the side for being located at exhaust fume collecting hood 11, thermal insulation board 13 can be located between exhaust fume collecting hood 11 and cover board 12, and thermal insulation board 13 can will collect
Space between petticoat pipe 11 and cover board 12 is separated into the first wind chamber 101 and the second wind chamber 102, and motor 40 can be with 12 phase of cover board
Even.After high-temperature flue gas enters the second wind chamber 102 as a result, it is isolated by thermal insulation board 13 and 12 dual-seal of cover board, can be effectively prevented
The only danger of smoke spillage.In addition, the high-temperature flue gas in the second wind chamber 102 can be effectively prevented to the first wind chamber in thermal insulation board 13
Cold air in 101 carries out heat radiation, is beneficial to prevent the overheat of motor 40.
As shown in Figures 2 and 3, gas heater 110 according to an embodiment of the present invention may include: shell 50, combustion gas combustion
Burner 60, heat exchanger 70 and fan assembly according to an embodiment of the present invention 100.
Installation cavity 501 is defined in shell 50, gas burner 60 and heat exchanger 70 are located in installation cavity 501, and heat
Exchanger 70 is located at the top of gas burner 60.Gas burner 60 has fuel gas inlet 601, and fuel gas inlet 601 is located at outer
The lower part of shell 50, the lower part of shell 50 are additionally provided with water inlet 701 and water outlet 702, connect between water inlet 701 and water outlet 702
It is connected to the water pipe of bending, water pipe, which cooperates in installation cavity 501 with heat exchanger 70, realizes heat exchange.The first of fan assembly 100
Air inlet 103 is connected to installation cavity 501, and the second air inlet 105 is connected to the exhanst gas outlet of heat exchanger 70, the first air outlet
104 and second air outlet 106 be in communication with the outside, on shell 50 position corresponding with fan assembly 100 can be equipped with and the external world
The ventilation hole 502 of connection.The circuit control of gas heater 110 provides support by power panel 80.
After power panel 80 is connected as a result, cold water enters water pipe by water inlet 701, and combustion gas enters combustion gas by fuel gas inlet 601
Burner 60, and burning generates high-temperature flue gas in gas burner 60, high-temperature flue gas enters heat exchanger 70 and cold water carries out
Heat exchange, the hot water after heat exchange are flowed out by water outlet 702.The motor 40 of fan assembly 100 operates, 30 high-speed rotation of impeller
Centrifugal action make high-temperature flue gas pass sequentially through heat exchanger 70 exhanst gas outlet and the second air inlet 105 enter the second wind chamber 102,
Then the external world is discharged by the second air outlet 106, it is reasonable in design, it can effectively avoid smoke spillage.Meanwhile radiating wheel 20 is high
Speed rotation, cold air enter installation cavity 501 by ventilation hole 502, then enter the first wind chamber 101 by the first air inlet 103, finally
The external world is discharged by the first air outlet 104, guarantees that the flow for entering the cold air of the first wind chamber 101 by the first air inlet 103 is sufficient
And flowing is smooth.
In a specific embodiment shown in Fig. 2, the pivot center of motor 40, impeller 30 and radiating wheel 20 is along level side
To extension, radiating wheel 20 is between motor 40 and impeller 30, and motor 40 is in the side far from ventilation hole 502.Certainly, blower
The installation direction of component 100 can also in turn, such as another specific embodiment as shown in Figure 3, motor 40,30 and of impeller
The pivot center of radiating wheel 20 is horizontally extending, and radiating wheel 20 is between motor 40 and impeller 30, and motor 40 is leaning on
The side of nearly ventilation hole 502, is more advantageous to the circulation of cold air.
Since fan assembly 100 according to an embodiment of the present invention has above-mentioned beneficial technical effect, according to this hair
The gas heater 110 of bright embodiment also has corresponding technical effect, can effectively avoid motor 40 by high-temperature flue gas
Heat radiation can reduce the environment temperature around motor 40 and accelerate the heat dissipation of motor 40, prevent motor 40 from overheating.
Other of gas heater 110 and fan assembly 100 according to an embodiment of the present invention are constituted and are operated for this
Be for the those of ordinary skill in field it is known, be not described in detail herein.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of this specification, the description of reference term " embodiment ", " specific embodiment ", " example " etc. means to tie
It closes the embodiment or example particular features, structures, materials, or characteristics described and is contained at least one embodiment of the present invention
Or in example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.And
And particular features, structures, materials, or characteristics described can not done in any one or more of the embodiments or examples
It relates to, can be combined with each other in an appropriate manner in reconcilable situation.
Claims (10)
1. a kind of fan assembly for gas heater characterized by comprising
Casing, defines spaced first wind chamber and the second wind chamber in the casing, the first wind chamber have first into
Air port and the first air outlet, the second wind chamber have the second air inlet and the second air outlet；
Radiating wheel, it is intracavitary that the radiating wheel is located at first wind；
Impeller, it is intracavitary that the impeller is located at second wind；
Motor, the motor are set on the housing, and the radiating wheel is between the impeller and the motor, the motor
Drive shaft be successively connected with the radiating wheel and the impeller.
2. the fan assembly according to claim 1 for gas heater, which is characterized in that the motor, the leaf
The pivot center of wheel and the radiating wheel is horizontally extending, and second air inlet is located at the lower part of the casing, described
Second air outlet is located at the top of the casing.
3. the fan assembly according to claim 2 for gas heater, which is characterized in that first air inlet is set
In the side of the casing, first air outlet is located at the top of the casing.
4. the fan assembly according to claim 3 for gas heater, which is characterized in that the motor includes:
Motor body and the drive shaft, the motor body are located at the outside of the casing.
5. the fan assembly according to claim 4 for gas heater, which is characterized in that the side of the casing is set
There is mounting hole, is located at the mounting hole to the motor body clearance fit to form first air inlet.
6. the fan assembly according to claim 5 for gas heater, which is characterized in that outside the motor body
Week passes through threaded fastener and the casing phase along multiple mounting portions along its circumferentially spaced setting, the mounting portion is equipped with
Even.
7. the fan assembly according to claim 5 for gas heater, which is characterized in that the motor body and institute
The width for stating the fit clearance of mounting hole is 2mm-5mm.
8. the fan assembly according to claim 1 for gas heater, which is characterized in that the motor is direct current
Machine.
9. the fan assembly according to claim 1-8 for gas heater, which is characterized in that the casing
Include:
Exhaust fume collecting hood；
Cover board, the cover plate lid are located at the side of the exhaust fume collecting hood；
Thermal insulation board, the thermal insulation board are located between the exhaust fume collecting hood and the cover board, by the exhaust fume collecting hood and the cover board it
Between space be separated into the first wind chamber and the second wind chamber, the motor is connected with the cover board.
10. a kind of gas heater characterized by comprising
Shell defines installation cavity in the shell；
Gas burner, the gas burner are located in the installation cavity；
Heat exchanger, the heat exchanger are located in the installation cavity and are located at the top of the gas burner；
Fan assembly according to claim 1 to 9 for gas heater, first air inlet and institute
Installation cavity connection is stated, second air inlet is connected to the exhanst gas outlet of the heat exchanger, first air outlet and described
Second air outlet is in communication with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710771342.7A CN109424558B (en) | 2017-08-31 | 2017-08-31 | Gas water heater and fan assembly for gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710771342.7A CN109424558B (en) | 2017-08-31 | 2017-08-31 | Gas water heater and fan assembly for gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109424558A true CN109424558A (en) | 2019-03-05 |
| CN109424558B CN109424558B (en) | 2024-04-12 |
Family
ID=65505317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710771342.7A Active CN109424558B (en) | 2017-08-31 | 2017-08-31 | Gas water heater and fan assembly for gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109424558B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197489Y (en) * | 1994-06-10 | 1995-05-17 | 天津市通风机厂 | High temperature axial flow fan |
| US20010038794A1 (en) * | 1999-09-17 | 2001-11-08 | Dale Stewart | Method and apparatus for cooling and expelling exhaust gases from a water heater |
| CN200954320Y (en) * | 2006-10-01 | 2007-10-03 | 管印贵 | Drum-type centrifugal pipeline fire-extinguishing smoke-exhausting fan |
| CN201027706Y (en) * | 2007-01-20 | 2008-02-27 | 李锦标 | Fan |
| CN201991808U (en) * | 2011-03-14 | 2011-09-28 | 蔡展光 | Pipeline fan |
| CN204113756U (en) * | 2014-09-18 | 2015-01-21 | 上海通用风机股份有限公司 | A kind of high temperature centrifugal blower being furnished with heat-dissipating impeller and insulating interlayer |
| CN104314847A (en) * | 2014-10-15 | 2015-01-28 | 洛阳北玻台信风机技术有限责任公司 | High-speed high-temperature fan for kiln furnace heating circulation |
| CN205423237U (en) * | 2016-03-21 | 2016-08-03 | 东莞市全风环保设备有限公司 | High voltage ring fan that appears |
| CN205423232U (en) * | 2016-03-21 | 2016-08-03 | 东莞市全风环保设备有限公司 | High -temperature resistance fan |
| CN206398805U (en) * | 2016-12-23 | 2017-08-11 | 芜湖美的厨卫电器制造有限公司 | Smoke exhaust fan and smoke evacuation system and gas heater for gas heater |
| CN207161354U (en) * | 2017-08-31 | 2018-03-30 | 芜湖美的厨卫电器制造有限公司 | Gas heater and the fan assembly for gas heater |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197489Y (en) * | 1994-06-10 | 1995-05-17 | 天津市通风机厂 | High temperature axial flow fan |
| US20010038794A1 (en) * | 1999-09-17 | 2001-11-08 | Dale Stewart | Method and apparatus for cooling and expelling exhaust gases from a water heater |
| CN200954320Y (en) * | 2006-10-01 | 2007-10-03 | 管印贵 | Drum-type centrifugal pipeline fire-extinguishing smoke-exhausting fan |
| CN201027706Y (en) * | 2007-01-20 | 2008-02-27 | 李锦标 | Fan |
| CN201991808U (en) * | 2011-03-14 | 2011-09-28 | 蔡展光 | Pipeline fan |
| CN204113756U (en) * | 2014-09-18 | 2015-01-21 | 上海通用风机股份有限公司 | A kind of high temperature centrifugal blower being furnished with heat-dissipating impeller and insulating interlayer |
| CN104314847A (en) * | 2014-10-15 | 2015-01-28 | 洛阳北玻台信风机技术有限责任公司 | High-speed high-temperature fan for kiln furnace heating circulation |
| CN205423237U (en) * | 2016-03-21 | 2016-08-03 | 东莞市全风环保设备有限公司 | High voltage ring fan that appears |
| CN205423232U (en) * | 2016-03-21 | 2016-08-03 | 东莞市全风环保设备有限公司 | High -temperature resistance fan |
| CN206398805U (en) * | 2016-12-23 | 2017-08-11 | 芜湖美的厨卫电器制造有限公司 | Smoke exhaust fan and smoke evacuation system and gas heater for gas heater |
| CN207161354U (en) * | 2017-08-31 | 2018-03-30 | 芜湖美的厨卫电器制造有限公司 | Gas heater and the fan assembly for gas heater |
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|---|---|
| CN109424558B (en) | 2024-04-12 |
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