CN104913486B - Balance-type gas-fired hot water device - Google Patents
Balance-type gas-fired hot water device Download PDFInfo
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- CN104913486B CN104913486B CN201510314396.1A CN201510314396A CN104913486B CN 104913486 B CN104913486 B CN 104913486B CN 201510314396 A CN201510314396 A CN 201510314396A CN 104913486 B CN104913486 B CN 104913486B
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- volute
- blower
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000004804 winding Methods 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 241000237858 Gastropoda Species 0.000 claims 1
- 238000010304 firing Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 239000003517 fume Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
-
- 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a balance-type gas-fired hot water device which comprises a seal chamber, an inlet passage and a discharge flue which are arranged in the seal chamber and an alterable speed fan, a heat exchange unit and a firing unit which are arranged inside the seal chamber. The alterable speed fan is provided with a fan volute; the inlet passage is sequentially communicated with the firing unit and the heat exchange unit, the heat exchange unit is communicated with the inlet of the fan volute, and the outlet of the fan volute is communicated with the discharge flue; the alterable speed fan further comprises a drainage unit and an alterable speed motor which are arranged on the outer side of the fan volute, the alterable speed motor comprises a winding, the drainage unit is capable of leading at least part of air entering the inlet passage to the alterable speed motor to penetrate the winding, and a fan control unit is arranged on the outer side of the seal chamber. By the above structure, the air entering the seal chamber can be led into the motor and enabled to penetrate the motor winding, the fan control unit is arranged on the outer side of the seal chamber, service life of electronic elements on the fan control unit is prolonged, reliability of the alterable motor and the entire device is improved, and service lives of the alterable motor and the entire device are prolonged.
Description
Technical field
The present invention relates to a kind of gas-fired water heater, more particularly to a kind of balanced type gas-fired water heater.
Background technology
Gas-fired water heater can be largely classified into chimney flue type, forced-ventilated and balanced type, chimney flue type and forced-ventilated gas hot water
Air needed for device burning can consume in combustion indoor substantial amounts of oxygen both from interior, and balanced type combustion gas
Air needed for hot water apparatus burning comes from outdoor, while waste gas is also emitted into outdoor, therefore, balanced type gas-fired water heater
Possesses higher security with respect to chimney flue type and forced-ventilated gas-fired water heater.At present, it is this simultaneously to be burnt by outdoor air inlet
The waste gas for producing afterwards drains into the balanced systems of outdoor and applies widely, in gas heater also gradually in wall-hung boiler field
Start to promote.
Balanced type gas-fired water heater typically has sealed chamber, annular seal space indoor location combustion system and heat exchange series
System.In balanced type gas-fired water heater running, drive of the waste gas that its burning is produced in the blower fan being placed in sealed chamber
Dynamic lower Jing smoke exhaust pipes are emitted into outdoor, now, a subnormal ambient are defined in sealed chamber, and outdoor fresh air can pass through
Air inlet pipe is inhaled in seal cavity, and this part comes from the fresh air of outdoor and can ensure that balanced type gas-fired water heater is protected
Hold normal burning.
Blower fan as gas-fired water heater a vitals, for the operation of whole system plays very crucial work
With.At present, constant speed blower fan is easily manufactured due to simple structure, applies widely in gas and hot water industry, but it makes
The Smaller load section thermal efficiency is low in there are problems that with during, noise, and this is primarily due to machine and burns in middle Smaller load section
When, substantial amounts of calory burning discharges machine by the constant speed blower fan of higher rotation speed, and heat-exchange system is without preferably using this part
Heat, causes the thermal efficiency to reduce, and wastes the energy, in order to solve generally to be substituted using speed-changing draught fan in this problem, industry
Constant speed blower fan, speed-changing draught fan can be adjusted due to rotating speed, and different rotation speed of fan are had under different fired states therewith
Match somebody with somebody, therefore, it can largely reduce energy resource consumption, and the effect for reducing noise can be played.
At present, the product using speed-changing draught fan in balanced type gas-fired water heater is also fewer, especially in wall-hung boiler row
More project in industry, its main cause is because that balanced type gas-fired water heater has interior sealing chamber, it is internal comprising burning
System and heat-exchange system, combustion system and heat-exchange system can give off amount of heat in running, and this causes sealed chamber
Interior temperature is higher, can generally reach 80 DEG C or so, and bad working environments even can be to 100 DEG C or so, in balanced type combustion
In gas hot water apparatus, blower fan is predominantly located in the inside of airtight chamber, this to make the structure that blower fan is placed in inside sealed chamber
Obtain speed-changing draught fan and be maintained at higher temperature for a long time, after using speed-changing draught fan, the electronics of the motor control assembly of speed-changing draught fan
Components and parts can also produce heat in running, and this partial heat can cause motor control with the superposition of the heat in sealed chamber
The temperature of plate is significantly increased, additionally, the winding of the motor of blower fan motor in the running of itself can also produce more heat transfer,
The risk of blower fan failure is this also increases, under the collective effect of above-mentioned factor, speed-changing draught fan is easily accumulated in running
Beyond the heat of the speed-changing draught fan limit, so as to cause it to fail.Therefore, the problems referred to above are for speed-changing draught fan is in balanced type combustion gas warm
All there is very big risk to the reliability and life-span of speed-changing draught fan itself and whole machine in the application in water installations.
The content of the invention
In order to overcome the drawbacks described above of prior art, the technical problem to be solved to there is provided a kind of balanced type
Gas-fired water heater, to ensure whole machine reliability of operation.
Technical scheme is specific as follows：
A kind of balanced type gas-fired water heater, including：
Sealed chamber；
The inlet channel and discharge flue being arranged in the sealed chamber；
Speed-changing draught fan, heat-exchanger rig, the burner being arranged inside the sealed chamber；
The speed-changing draught fan has volute of blower；
The inlet channel is connected successively with the burner and the heat-exchanger rig, the heat-exchanger rig and the wind
Machine volute inlet is connected, and the volute of blower outlet is connected with discharge flue；
The speed-changing draught fan also includes：The drainage system and variable speed electric motors, particularly being arranged at outside the volute of blower, the change
Speed motor includes winding, and the drainage system can will be at least partially introduced into the variable speed electric motors, particularly into the air of the inlet channel
And through the winding.
Preferably, the variable speed electric motors, particularly includes the motor housing with the first end cap and the second end cap, first end cap
Through hole is provided with second end cap, the winding is placed in the motor housing, the air-flow that the drainage system is introduced can be worn
The through hole crossed on first end cap and second end cap.
Preferably, first end cap and second end cap are oppositely arranged.
Preferably, the first end cap of the motor housing is back to the volute of blower, the second end cap of the motor housing
Towards the volute of blower.
Preferably, the drainage system is aerofoil fan, and the aerofoil fan is arranged at the motor housing with the wind
Between machine spiral case.
Preferably, the drainage system is aerofoil fan, and the aerofoil fan is arranged at the variable speed electric motors, particularly back to described
The side of volute of blower.
Preferably, also including the radiator fan being arranged between the variable speed electric motors, particularly and the volute of blower, the radiating
Fan can cause space of the air-flow for flowing through the winding between the variable speed electric motors, particularly and the volute of blower to shed.
Preferably, the variable speed electric motors, particularly is located at the inlet channel exit.
Preferably, also including fan controller, the fan controller is arranged at the outside of the sealed chamber.
Preferably, the speed-changing draught fan includes the Hall element being electrically connected with the fan controller, the Hall
Element is arranged at the inside of the motor housing.
Preferably, the inlet channel surrounds the discharge flue and arranges.
Preferably, the inlet channel and the discharge flue are coaxially disposed and positioned at the top of the sealed chamber.
Preferably, the inlet channel and the discharge flue are individually arranged at the top of the sealed chamber.
Preferably, the speed-changing draught fan includes impeller, and the impeller is connected by motor shaft with the variable speed electric motors, particularly, described
The axis perpendicular of variable speed electric motors, particularly axle and the inlet channel.
The present invention adopts above structure, with advantages below：
1st, by arranging drainage system, and the perforate on variable speed electric motors, particularly shell on the speed-changing draught fan, enable to into
The air entered in the sealed chamber is entered inside variable speed electric motors, particularly, the part inside variable speed electric motors, particularly is lowered the temperature, further
By the way that fan controller is external, it is to avoid fan controller to the stop into the air-flow inside the variable speed electric motors, particularly,
So that air is capable of smooth entrance variable speed electric motors, particularly and through winding further outflow motor in the presence of drainage system, thus shape
Into " wind system " of a cooling, while the outside that fan controller is arranged at sealed chamber is avoided in sealed chamber
Hot environment improves speed-changing draught fan reliability of operation and life-span for the impact of electronic devices and components on fan controller；
2nd, the high temperature air of outflow motor is quickly drained between variable speed electric motors, particularly and volute of blower radiator fan annular seal space
In room, flow velocity of the cold air in variable speed electric motors, particularly inside the shell on the one hand can be further improved, so as to improve rate of temperature fall；The opposing party
Face, can avoid accumulating in temperature rise effect of the high temperature air herein to motor.
3rd, the variable speed electric motors, particularly is located at into the inlet channel exit, can causes from inlet channel outlet to discharge
Cold air directly blow to motor, cooling effect is played to motor.
Description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended to by any way limit model disclosed by the invention
Enclose.In addition, shape and proportional sizes of each part in figure etc. are only schematic, the understanding of the present invention is used to help, and
It is not the shape and proportional sizes for specifically limiting each part of the invention.Those skilled in the art under the teachings of the present invention, can
To select various possible shapes and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the structural representation of a specific embodiment of balanced type gas-fired water heater in the application.
Fig. 2 is a schematic perspective view of speed-changing draught fan in Fig. 1.
Fig. 3 is another schematic perspective view of speed-changing draught fan in Fig. 1.
Fig. 4 is the structural representation of the first end cap of the motor of speed-changing draught fan in Fig. 1.
Fig. 5 is the structural representation of the second end cap of the motor of speed-changing draught fan in Fig. 1.
Fig. 6 is the structural representation of the another embodiment of balanced type gas-fired water heater in the application.
The reference of the figures above is：1st, housing；11st, sealed chamber；2nd, inlet channel；3rd, discharge flue；4th, speed change
Blower fan；41st, volute of blower；411st, inlet end；412nd, exhaust end；42nd, variable speed electric motors, particularly；421st, the first end cap；4211st, the first end cap
Through hole；422nd, the second end cap；4221st, the through hole of the second end cap；43rd, aerofoil fan；44th, radiator fan；45th, protective cover；
451st, through hole；46th, fan controller；5th, heat-exchanger rig；6th, burner；7th, exhaust fume collecting hood.
Specific embodiment
With reference to the description of accompanying drawing and the specific embodiment of the invention, the details of the present invention can be clearly understood.But
It is, the specific embodiment of invention described herein to be only used for explaining the purpose of the present invention, and can not understands by any way
Into being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that any possible change based on the present invention
Shape, these are regarded as belonging to the scope of the present invention.
The invention discloses a kind of balanced type gas-fired water heater, including sealed chamber 11, it is arranged at the sealed chamber
Inlet channel 2 and discharge flue 3 on 11, speed-changing draught fan 4, heat-exchanger rig 5, the burning being arranged inside the sealed chamber 11
Device 6, the speed-changing draught fan 4 has volute of blower 41；The inlet channel 2 successively with the burner 6 and heat-exchanger rig 5
Connection, the heat-exchanger rig 5 is connected with the entrance of the volute of blower 41, and the outlet of the volute of blower 41 is connected with discharge flue 3；
The speed-changing draught fan 4 also includes：The drainage system being arranged at outside the volute of blower 41 and variable speed electric motors, particularly 42, the speed change electricity
Machine 42 includes winding, and the drainage system can will be at least partially introduced into the variable speed electric motors, particularly into the air of the inlet channel 2
42 and pass through the winding.In the present embodiment, variable speed electric motors, particularly 42 is direct current generator.In other embodiments, speed change electricity
Machine 42 can also be AC variable speed motor.
Balanced type gas-fired water heater in the application can will pass through described into the air in the sealed chamber 11
Drainage system is introduced in the variable speed electric motors, particularly 42, so that into the relatively low air of the temperature in the sealed chamber 11 and institute
Stating the winding of variable speed electric motors, particularly 42 carries out heat exchange, to reduce the temperature of the winding of the variable speed electric motors, particularly 42.It is multiple through inventor
Prove after repetition test, using the balanced type gas-fired water heater in the application, the fault rate of its speed-changing draught fan 4 is greatly reduced.
Fig. 1 shows a specific structural representation of balanced type gas-fired water heater in the application.With reference to Fig. 1 institutes
Show, balanced type gas-fired water heater includes forming sealed chamber 11 in housing 1, housing 1, and inlet channel 2 and discharge flue 3 are arranged
On housing 1, speed-changing draught fan 4, heat-exchanger rig 5, burner 6, exhaust fume collecting hood 7 are located in sealed chamber 11.Ran in machine
Cheng Zhong, air is entered in sealed chamber 11 from inlet channel 2, is flowed under the driving of speed-changing draught fan 4 and participate in burner 6 combustion
Burn, the high-temperature flue gas produced after burning enter speed-changing draught fan 4 Jing after heat-exchanger rig 5, exhaust fume collecting hood 7, finally in the drive of speed-changing draught fan 4
Outdoor is drained under dynamic from discharge flue 3.
In the present embodiment, with reference to shown in Fig. 1, the inlet channel 2 can be respectively arranged at the discharge flue 3
The top of sealed chamber 11.The inlet channel 2 is coaxially set in outside the discharge flue 3, and surrounds the discharge flue 3.
Certain, in other embodiments, inlet channel 2 and/or discharge flue 3 can also be not arranged in the top of sealed chamber 11
Portion, as long as outdoor air can be introduced sealed chamber 11 by inlet channel 2, the flue gas that discharge flue 3 can produce burning is discharged
Sealed chamber 11.
In the present embodiment, balanced type gas-fired water heater also includes speed-changing draught fan 4.With reference to shown in Fig. 2 and Fig. 3, should
Speed-changing draught fan 4 includes variable speed electric motors, particularly 42, impeller, is located at the volute of blower 41 of the impeller outer, and the volute of blower 41 enters
Gas end 411 connects with the heat-exchanger rig 5, the exhaust end 412 of the volute of blower 41 pass the sealed chamber 11 and with row
Cigarette channel 3 is connected.When the impeller of the speed-changing draught fan 4 is in rotation process, the flue gas for producing that burns is flowed by volute of blower 41
In entering smoke discharging pipe 3.In one preferred embodiment, the balanced type gas-fired water heater also includes exhaust fume collecting hood 7, the collection
Petticoat pipe 7 is arranged and speed-changing draught fan 4 and heat-exchanger rig 5 between, and its one end is connected with heat-exchanger rig 5, the other end and speed-changing draught fan 4
Inlet end 411 is connected, the exhaust fume collecting hood 7 can collect the flue gas after heat exchange and by the flue gas by the speed-changing draught fan 4 to
Outer discharge.The speed-changing draught fan 4 also includes drainage system.The drainage system is arranged on inside sealed chamber 11, and with the change
Speed motor 42 is adapted, and will can be at least partially introduced into into the cold air in the sealed chamber 11 by inlet channel described
In variable speed electric motors, particularly 42.In the present embodiment, with reference to shown in Fig. 4 and Fig. 5, the variable speed electric motors, particularly 42 includes thering is the first end cap
421 and second end cap 422 motor housing, first end cap 421 is provided with through hole, the winding with second end cap 422
It is placed in the motor housing, the air-flow that the drainage system is introduced can pass through the He of through hole 4211 on first end cap 421
Through hole 4221 on second end cap 422.First end cap 421 of the variable speed electric motors, particularly 42 is back to volute of blower 41, the change
Second end cap 422 of speed motor 42 is towards the volute of blower 41.The drainage system includes aerofoil fan 43, the axle stream wind
Fan 43 is arranged at the variable speed electric motors, particularly 42 back to the side of volute of blower 41, i.e., the air of the described suction of aerofoil fan 43 is from described
Through hole 4211 on first end cap 421 of motor housing is entered inside the motor housing, and through the variable speed electric motors, particularly 42
Winding after through hole 4221 from the second end cap 422 of the motor housing discharge.In the present embodiment, into the electricity
The cold air of machine inside the shell carries out heat exchange with the winding of variable speed electric motors, particularly 42, by the heat band on the winding of the variable speed electric motors, particularly 42
In the motor housing.
In one preferred embodiment, the through hole 4211 of first end cap 421 and second end cap 422 are relative
Arrange, through hole 4211 of the air-flow that drainage system described in Jing is introduced from first end cap 421 is flowed in the motor housing,
And the through hole 4221 from second end cap 422 flows out the motor housing.It is described in a preferred embodiment
, back to the volute of blower 41, the second end cap 422 of the motor housing is towards the blower fan for first end cap 421 of motor housing
Spiral case 41, can improve into the cold air in the motor housing substantially along the winding for linearly passing through the variable speed electric motors, particularly 42
Flow velocity of the air in the motor housing, strengthens cooling-down effect.
In the present embodiment, speed-changing draught fan 4 also includes a protective cover 45, and the protective cover 45 is located at the outer of motor housing
Portion, its effect is primarily to prevent the dust that the air entered from inlet channel 2 is brought into from dropping to motor and drainage system
Surface, affect its performance.Multiple through holes 451 are offered on protective cover 45, the effect of this some holes is primarily to make
Air flow variable speed electric motors, particularly 42.
In one preferred embodiment, balanced type gas-fired water heater can also include being arranged at the variable speed electric motors, particularly
Radiator fan 44 between 42 and the volute of blower 41, the radiator fan 44 can cause the high temperature gas flow for flowing through the winding
Space between the variable speed electric motors, particularly 42 and the volute of blower 41 sheds.The setting of radiator fan on the one hand can be further
Flow velocity of the cold air in motor housing is improved, so as to improve rate of temperature fall；On the other hand, can avoid accumulating in height herein
Temperature rise of the warm air to motor is acted on.
In one preferred embodiment, the axis phase of the motor shaft of the variable speed electric motors, particularly 42 and the inlet channel 2
Vertically, the cold air flowed out from the outlet of the inlet channel 2 can be so caused to blow to the sky between motor and volute of blower
Between, the high temperature air for flowing out from the variable speed electric motors, particularly 42 and accumulate in herein is blown off this space, high temperature air is reduced to electricity
The temperature rise effect of machine.
In one preferred embodiment, balanced type gas-fired water heater also includes being located at outside the sealed chamber 11
Fan controller 46, by fan controller 46 outside of sealed chamber 11 is removed and is placed on from the inside of variable speed electric motors, particularly 42
The electronic devices and components on fan controller can not only be solved run the failure of presence in the seal cavity of high temperature for a long time to ask
Topic, and the stop of air-flow inside 46 pairs of entrance of fan controller variable speed electric motors, particularly 42 can be avoided so that air exists
Smooth entrance variable speed electric motors, particularly 42 and through winding and then outflow variable speed electric motors, particularly 42 in the presence of drainage system, thus form one
" wind system " of individual cooling.
In another embodiment, the balanced type gas-fired water heater also includes being located inside the variable speed electric motors, particularly 42
The Hall element for monitoring variable speed electric motors, particularly 42, wherein the Hall element and the fan controller are electrical by wire
Connection.The Hall element is retained in into the inside of variable speed electric motors, particularly 42 primarily to ensureing the reliability of speed-changing draught fan rotation speed monitoring
Property.
In another embodiment, the aerofoil fan 43 be arranged at the motor housing and the volute of blower 41 it
Between.Similar with a upper embodiment, the air that the aerofoil fan 43 is introduced is from the first end cap 421 of the motor housing
Through hole 4211 is entered inside the motor housing, and from the of the motor housing after the winding for flowing through the variable speed electric motors, particularly 42
Through hole 4221 on two end caps 422 flows out.
In the present embodiment, the through hole on the through hole 4211 and second end cap 422 on first end cap 421
4221 can be 2,3,4 even more, flows of the air entered in the motor housing with further increase, improve
Cooling-down effect.
In another embodiment, with reference to shown in Fig. 6, inlet channel 2 can be oppositely arranged with variable speed electric motors, particularly 42, so
The cold air discharged from the outlet of the inlet channel 2 can be caused directly to blow to variable speed electric motors, particularly 42, be not only convenient for drainage system
Drainage is carried out, and cooling effect can be played to motor.
In another embodiment, with reference to shown in Fig. 6, inlet channel 2 and discharge flue 3 are at the top of sealed chamber 11
And setting of mutually staggering.In the present embodiment, variable speed electric motors, particularly 42 is oppositely arranged with the gas outlet of inlet channel 2.Herein
It is oppositely arranged and refers to that the outlet of the admission line is generally oppositely arranged with the through hole on the motor housing, variable speed electric motors, particularly 42
Shaft parallel in discharge flue 3, this structure can improve the speed that cold air flows through motor, strengthen cooling-down effect.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.It is all according to the present invention
Equivalence changes or modification that Spirit Essence is made, all should be included within the scope of the present invention.
Claims (14)
1. a kind of balanced type gas-fired water heater, including：
Sealed chamber；
The inlet channel and discharge flue being arranged in the sealed chamber；
Speed-changing draught fan, heat-exchanger rig, the burner being arranged inside the sealed chamber；
The speed-changing draught fan has volute of blower；
The inlet channel is connected successively with the burner and the heat-exchanger rig, the heat-exchanger rig and the blower fan snail
Shell entrance is connected, and the volute of blower outlet is connected with discharge flue；
Characterized in that, the speed-changing draught fan also includes：The drainage system and variable speed electric motors, particularly being arranged at outside the volute of blower,
The variable speed electric motors, particularly includes winding, and the drainage system can will be at least partially introduced into the change into the air of the inlet channel
Speed motor simultaneously passes through the winding.
2. balanced type gas-fired water heater as claimed in claim 1, it is characterised in that the variable speed electric motors, particularly includes thering is first
The motor housing of end cap and the second end cap, first end cap is provided with through hole with second end cap, and the winding is placed in described
In motor housing, the air-flow that the drainage system is introduced can pass through the through hole on first end cap and second end cap.
3. balanced type gas-fired water heater as claimed in claim 2, it is characterised in that first end cap and second end
Lid is oppositely arranged.
4. balanced type gas-fired water heater as claimed in claim 2 or claim 3, it is characterised in that the first end of the motor housing
, back to the volute of blower, the second end cap of the motor housing is towards the volute of blower for lid.
5. balanced type gas-fired water heater as claimed in claim 1, it is characterised in that the drainage system is aerofoil fan,
The aerofoil fan is arranged between the motor housing and the volute of blower.
6. balanced type gas-fired water heater as claimed in claim 1, it is characterised in that the drainage system is aerofoil fan,
The aerofoil fan is arranged at the variable speed electric motors, particularly back to the side of the volute of blower.
7. the balanced type gas-fired water heater as described in claim 1 or 6, it is characterised in that also including being arranged at the speed change
Radiator fan between motor and the volute of blower, the radiator fan can cause the air-flow for flowing through the winding from the change
Space between speed motor and the volute of blower sheds.
8. balanced type gas-fired water heater as claimed in claim 1, it is characterised in that the variable speed electric motors, particularly is located at the air inlet
Channel exit.
9. balanced type gas-fired water heater as claimed in claim 1, it is characterised in that described also including fan controller
Fan controller is arranged at the outside of the sealed chamber.
10. balanced type gas-fired water heater as claimed in claim 9, it is characterised in that the speed-changing draught fan include with it is described
The Hall element that fan controller is electrically connected with, the Hall element is arranged at the inside of the motor housing.
11. balanced type gas-fired water heaters as claimed in claim 1, it is characterised in that the inlet channel surrounds the row
Cigarette channel is arranged.
12. balanced type gas-fired water heaters as claimed in claim 11, it is characterised in that the inlet channel and the smoke evacuation
Passage is coaxially disposed and positioned at the top of the sealed chamber.
13. balanced type gas-fired water heaters as claimed in claim 1, it is characterised in that the inlet channel and the smoke evacuation
Passage is individually arranged at the top of the sealed chamber.
14. balanced type gas-fired water heaters as claimed in claim 1, it is characterised in that the speed-changing draught fan includes impeller, institute
State impeller to be connected with the variable speed electric motors, particularly by motor shaft, the axis perpendicular of the motor shaft and the inlet channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314396.1A CN104913486B (en) | 2015-06-09 | 2015-06-09 | Balance-type gas-fired hot water device |
| PCT/CN2016/085041 WO2016197902A1 (en) | 2015-06-09 | 2016-06-07 | Balanced gas water heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314396.1A CN104913486B (en) | 2015-06-09 | 2015-06-09 | Balance-type gas-fired hot water device |
Publications (2)
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| CN104913486B true CN104913486B (en) | 2017-04-19 |
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| CN104913486B (en) * | 2015-06-09 | 2017-04-19 | 艾欧史密斯(中国)热水器有限公司 | Balance-type gas-fired hot water device |
| CN106403256A (en) * | 2016-09-05 | 2017-02-15 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN106369808A (en) * | 2016-11-09 | 2017-02-01 | 艾欧史密斯(中国)热水器有限公司 | Balance type gas-fired water heating device |
| CN107762938A (en) * | 2017-12-11 | 2018-03-06 | 泰兴市宏伟机电环保科技有限公司 | A kind of centrifugal blower with air purifying function |
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| JP2000356401A (en) * | 1999-06-14 | 2000-12-26 | Paloma Ind Ltd | Water heater |
| CN200958847Y (en) * | 2006-10-17 | 2007-10-10 | 中山华帝燃具股份有限公司 | Balanced gas water heater |
| JP5196228B2 (en) * | 2007-11-22 | 2013-05-15 | 株式会社ノーリツ | Latent heat recovery water heater |
| CN204006682U (en) * | 2014-07-31 | 2014-12-10 | 银川艾尼工业科技开发有限公司 | A kind of condensation-type gas-fired heating water heater |
| CN104913486B (en) * | 2015-06-09 | 2017-04-19 | 艾欧史密斯(中国)热水器有限公司 | Balance-type gas-fired hot water device |
| CN204806649U (en) * | 2015-06-09 | 2015-11-25 | 艾欧史密斯(中国)热水器有限公司 | Balanced type gas hot water system |
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| CN104913486A (en) | 2015-09-16 |
| WO2016197902A1 (en) | 2016-12-15 |
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