CN110068012A - Pre-mixing apparatus and water heater - Google Patents
Pre-mixing apparatus and water heater Download PDFInfo
- Publication number
- CN110068012A CN110068012A CN201910399591.7A CN201910399591A CN110068012A CN 110068012 A CN110068012 A CN 110068012A CN 201910399591 A CN201910399591 A CN 201910399591A CN 110068012 A CN110068012 A CN 110068012A
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- Prior art keywords
- premix chamber
- membrane structure
- shell
- mixing apparatus
- baffle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The invention proposes a kind of pre-mixing apparatus and water heaters, pre-mixing apparatus includes: shell, and premix chamber is provided in shell, and premix chamber includes interconnected air inlet, gas outlet and blow vent, first gas enters premix chamber by air inlet, and second gas enters premix chamber by blow vent；Membrane structure is set on shell, and actuator is set on shell, and membrane structure can generate deformation under the driving of the driving member；Baffle is set in premix chamber, and is connected with membrane structure, and baffle can be under the drive of membrane structure along the radial motion of premix chamber, and to change the area of passage of premix chamber, first gas and second gas are discharged after mixing in premix chamber by gas outlet.Pre-mixing apparatus driving method proposed by the present invention is simple and reliable, and the position of baffle is not required excessively, and adaptability is higher, is easily installed and securely and reliably.
Description
Technical field
The present invention relates to gas utensil technical fields, in particular to a kind of pre-mixing apparatus and a kind of water heater.
Background technique
It in the related technology, on the especially full premix wall-hung boiler of water heater, is adjusted using different air inlet apertures mostly
Air quantity.Specifically, as shown in Figure 1 to Figure 3, be internally provided with premix chamber 14 ' in the shell 12 ' of water heater 1 ', using difference into
Air port diameter adjusts air quantity, or further increases baffle 16 ', blocks air inlet by 16 ' self gravity of baffle, to improve
Load regulation rate.
But aforesaid way is more demanding to the installation direction of baffle 16 ', can only the installation of the direction downwardly gravitating of baffle 16 ',
Baffle 16 ', which tilts upward installation, then will affect its using effect, and baffle 16 ' is downward or installs obliquely, can fail.
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, first aspect present invention proposes a kind of pre-mixing apparatus.
Second aspect of the present invention proposes a kind of water heater.
First aspect present invention proposes a kind of pre-mixing apparatus, comprising: shell is provided with premix chamber, premix chamber in shell
Including interconnected air inlet, gas outlet and blow vent, first gas enters premix chamber by air inlet, and second gas passes through
Blow vent enters premix chamber；Membrane structure is set on shell, and actuator is set on shell, and membrane structure can be in the drive of actuator
Dynamic lower generation deformation；Baffle is set in premix chamber, and is connected with membrane structure, baffle can membrane structure drive lower edge it is pre-
The radial motion of mixed chamber, to change the area of passage of premix chamber, first gas and second gas pass through after mixing in premix chamber
Gas outlet discharge.
The present invention is provided with premix chamber in shell, and premix chamber includes interconnected air inlet, gas outlet and blow vent,
First gas enters premix chamber by air inlet, and second gas enters premix chamber, first gas and second gas by blow vent
It is discharged after mixing by gas outlet in premix chamber；It is provided with the membrane structure being used cooperatively and actuator on shell, drives
Part generates deformation for driving membrane structure；Premix chamber is internally provided with baffle, baffle between air inlet and blow vent, and with
Membrane structure is connected.When actuator driving membrane structure generates deformation, membrane structure will drive radial motion of the baffle along premix chamber,
Change the area of passage of premix chamber, to achieve the purpose that adjust first gas inlet, and then changes gaseous mixture in premix chamber
The percentage composition proportion of each section in body.Specifically, baffle is located at air inlet, and actuator driving membrane structure generates deformation, into
And baffle is driven to move, change the area of passage of air inlet, to change the inlet of first gas.
Pre-mixing apparatus proposed by the present invention generates deformation by actuator driving membrane structure, and then drives baffle movement, adjusts
The area of passage of air inlet is saved, to achieve the purpose that adjust first gas inlet.Actuator cooperates with membrane structure to drive
Dynamic baffle movement, driving method is simple and reliable, and the position of baffle is not required excessively, and adaptability is higher, be easily installed and
Securely and reliably.
Above-mentioned pre-mixing apparatus according to the present invention can also have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that further include: cover board is set on shell, and membrane structure is formed with close with cover board
Seal chamber；Actuator is sampling mouth, and sampling mouth is connected with seal chamber, and sampling mouth is by changing the pressure in seal chamber to drive film
Structure generates deformation.
In the technical scheme, cover board is provided on shell, and cover board combines to form seal chamber with membrane structure；Actuator
To sample mouth, and samples mouth and be connected with seal chamber.During the inlet to first gas is adjusted, sampling mouth will
Sealing intracavity gas is sucked out or inputs into seal chamber a certain amount of gas, so that seal chamber and outside generate certain gas
Pressure difference, when draught head reaches it is a certain amount of when, membrane structure can generate deformation under the action of draught head, and then drive baffle movement
To change the area of passage of air inlet.When not needing to be adjusted, it is consistent with external pressure to restore seal chamber.
Specifically, the area of passage to seal chamber of air inlet and the draught head of outside are related, for seal chamber and outside
Draught head size, those skilled in the art can be adjusted according to the actual situation, not limit herein.
In any of the above-described technical solution, it is preferable that further include: guide groove is set on shell, and baffle can be in membrane structure
Drive under moved along guide groove.
In the technical scheme, the inner wall of shell is provided with guide groove, and the width of guide groove and the thickness of baffle are mutually fitted
Match.During guide groove is mobile, the side wall of baffle is located in guide groove, and can move in guide groove, be oriented to play and
The effect of limit guarantees the stable motion of baffle, avoids causing baffle to fail because first gas is impacted.
In any of the above-described technical solution, it is preferable that further include: plate is set in seal chamber, and is connected with membrane structure
It connects；The both ends of connector, connector are connected with membrane structure and baffle respectively.
In the technical scheme, plate is provided in seal chamber, and plate fits with membrane structure, converts draught head to
Pressure difference guarantees effective driving to membrane structure, while avoiding the local deformation of membrane structure；It is connected between membrane structure and baffle
Connector meets space structure needs, it is ensured that effective adjusting to premix chamber area of passage.
In any of the above-described technical solution, it is preferable that along the vertical direction, membrane structure be located at the top of premix chamber, lower section or
Side.
In the technical scheme, along the vertical direction, membrane structure is located at top, lower section or the side of premix chamber, for position
It is required that it is low, it is adaptable, convenient for promoting.
In any of the above-described technical solution, it is preferable that further include: elastic component, elastic component both ends respectively with membrane structure and lid
Plate is connected.
In the technical scheme, elastic component is provided between membrane structure and cover board, in the overcurrent for having adjusted premix chamber
After area, sampling mouth guarantees that seal chamber is consistent with external pressure, and membrane structure can reset under the action of the elastic member, to drive gear
Sheet reset.
Specifically, when membrane structure is set to above or below premix chamber, setting elastic component can be reduced, baffle can be certainly
It is resetted under the action of body gravity；When membrane structure is set to the side of premix chamber, baffle resets under the action of the elastic member.
In any of the above-described technical solution, it is preferable that be formed with cavity body structure between premix chamber and shell, blow vent is located at
The side wall of premix chamber, cavity body structure are connected with premix chamber by blow vent.
In the technical scheme, the side wall of shell is provided with through-hole, and cavity body structure is formed between premix chamber and shell, the
Two gases enter cavity body structure by through-hole, and are stored in cavity body structure；Blow vent is set to the side wall of premix chamber, cavity
Structure is connected with premix chamber by blow vent, and second gas is entered in premix chamber by blow vent；First gas by into
Port enters in premix chamber；First gas and second gas are discharged by gas outlet after mixing in premix chamber.
Specifically, pre-mixing apparatus is double-layer structure, and the center of pre-mixing apparatus is premix chamber；It is formed between premix chamber and shell
There is cavity body structure.
In any of the above-described technical solution, it is preferable that further include: adjustable plate is set at blow vent, for changing ventilation
The breathing area of mouth.
In the technical scheme, adjustable plate is provided at blow vent, the breathing area of blow vent can be changed in adjustable plate, thus
Achieve the purpose that adjust second gas inlet, and then changes the percentage composition proportion of each section in mixed gas in premix chamber.
Specifically, adjustable plate is rotatablely arranged at the side wall of premix chamber, by rotation adjustable plate to change blow vent
Breathing area.
In any of the above-described technical solution, it is preferable that further include: sealing element is sheathed on premix chamber, for sealing premix
The position that chamber is connected with the shell.
In the technical scheme, sealing element is arranged on premix chamber, sealing element is between seal chamber and shell, for close
The position that envelope premix chamber is connected with the shell, guarantees the leakproofness of cavity body structure, second gas is avoided to leak.
Second aspect of the present invention proposes a kind of water heater, comprising: such as the pre-mixing apparatus of any one of first aspect present invention；
And blower, shell are located at the air inlet of blower.
The water heater that second aspect of the present invention proposes, because including the pre-mixing apparatus such as any one of first aspect present invention, because
This whole beneficial effect with above-mentioned pre-mixing apparatus, is no longer stated one by one herein.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
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 cross-sectional view of pre-mixing apparatus in the related technology；
Fig. 2 is the side view of the pre-mixing apparatus of embodiment illustrated in fig. 1；
Fig. 3 is the main view of the pre-mixing apparatus of embodiment illustrated in fig. 1.
Wherein, corresponding relationship of the Fig. 1 into Fig. 3 between appended drawing reference and component names are as follows:
1 ' pre-mixing apparatus, 12 ' shells, 14 ' premix chambers, 16 ' baffles.
Fig. 4 is the explosive view of the pre-mixing apparatus of one embodiment of the invention；
Fig. 5 is the explosive view of the pre-mixing apparatus of another embodiment of the present invention；
Fig. 6 is the structural schematic diagram of baffle and connector in the pre-mixing apparatus of embodiment illustrated in fig. 4；
Fig. 7 is the cross-sectional view at the first visual angle of pre-mixing apparatus of embodiment illustrated in fig. 4；
Fig. 8 is the cross-sectional view at the second visual angle of pre-mixing apparatus of embodiment illustrated in fig. 4.
Wherein, corresponding relationship of the Fig. 4 into Fig. 8 between appended drawing reference and component names are as follows:
1 pre-mixing apparatus, 12 shells, 14 membrane structures, 16 screws, 18 premix chambers, 20 seal chambers, 22 baffles, 24 cover boards, 26 is flat
Plate, 28 connectors, 30 elastic components, 32 cavity body structures, 34 blow vents, 36 adjustable plates, 38 sealing elements, 40 through-holes.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
Implement in a manner of using other than the one described here, therefore, protection scope of the present invention is not by following public tool
The limitation of body embodiment.
The pre-mixing apparatus 1 proposed according to some embodiments of the invention and water heater are described referring to Fig. 4 to Fig. 8.
The invention proposes first aspects to propose a kind of pre-mixing apparatus 1, as shown in Fig. 4 to Fig. 8, comprising: shell 12, shell
Premix chamber 18 is provided in body 12, premix chamber 18 (does not show including interconnected air inlet (not shown), gas outlet in figure
Out) and blow vent 34, first gas enter premix chamber 18 by air inlet, and second gas enters premix chamber by blow vent 34
18；Membrane structure 14 is set on shell 12, and actuator (not shown) is set on shell 12, and membrane structure 14 can drive
Deformation is generated under the driving of part；Baffle 22 is set in premix chamber 18, and is connected with membrane structure 14, and baffle 22 can be in film knot
Along the radial motion of premix chamber 18 under the drive of structure 14, to change the area of passage of premix chamber 18, first gas and second gas
It is discharged after being mixed in premix chamber 18 by gas outlet.Specifically, first gas is air, and second gas is combustion gas.
The present invention is provided with premix chamber 18 in shell 12, premix chamber 18 include interconnected air inlet, gas outlet and
Blow vent 34, air enter premix chamber 18 by air inlet, and combustion gas enters premix chamber 18 by blow vent 34, and air and combustion gas exist
It is discharged after mixing by gas outlet in premix chamber 18；As shown in Fig. 4, Fig. 5, Fig. 7 and Fig. 8, cooperation is provided on shell 12
The membrane structure 14 and actuator used, actuator generate deformation for driving membrane structure 14；As shown in Fig. 4 to Fig. 8, premix chamber 18
It is internally provided with baffle 22, baffle 22 is connected between air inlet and blow vent 34, and with membrane structure 14.When actuator drives
When dynamic membrane structure 14 generates deformation, membrane structure 14 will drive baffle 22 along the radial motion of premix chamber 18, change premix chamber 18
Area of passage to achieve the purpose that adjust air inlet, and then changes in premix chamber 18 hundred of each section in mixed gas
Divide content proportion.Specifically, baffle 22 is located at air inlet, and actuator driving membrane structure 14 generates deformation, and then drives baffle
22 movements, change the area of passage of air inlet, to change the inlet of air.
Pre-mixing apparatus 1 proposed by the present invention generates deformation by actuator driving membrane structure 14, and then baffle 22 is driven to transport
It is dynamic, the area of passage of air inlet is adjusted, to achieve the purpose that adjust air inlet.Actuator and membrane structure 14 cooperate with
Baffle 22 is driven to move, driving method is simple and reliable, does not require excessively for the position of baffle 22, adaptability is higher, is convenient for
It installs and safe and reliable.
In one embodiment of the invention, it is preferable that as shown in Fig. 4, Fig. 5 and Fig. 7 and Fig. 8, further includes: cover board 24,
It is set on shell 12, membrane structure 14 and cover board 24 are formed with seal chamber 20；Actuator is sampling mouth, sampling mouth and seal chamber 20
It is connected, sampling mouth drives membrane structure 14 to generate deformation by changing the pressure in seal chamber 20.
In this embodiment, cover board 24 is provided on shell 12, and cover board 24 combines to form seal chamber with membrane structure 14
20；Actuator is sampling mouth, and samples mouth and be connected with seal chamber 20.During the inlet to air is adjusted,
Gas in seal chamber 20 is sucked out or is inputted into seal chamber 20 a certain amount of gas by sampling mouth, so that seal chamber 20 and outer
Portion generates certain draught head, when draught head reaches it is a certain amount of when, membrane structure 14 can generate deformation under the action of draught head,
And then the movement of baffle 22 is driven to change the area of passage of air inlet.When not needing to be adjusted, restore seal chamber 20 with
External pressure is consistent.
In specific embodiment, the area of passage of air inlet is related to the draught head of seal chamber 20 and outside, for sealing
Chamber 20 and external draught head size, those skilled in the art can be adjusted according to the actual situation, not limit herein.
In one embodiment of the invention, it is preferable that further include: guide groove (not shown) is set to shell 12
On, baffle 22 can move under the drive of membrane structure 14 along guide groove.
In this embodiment, the inner wall of shell 12 is provided with guide groove, and the thickness phase of the width of guide groove and baffle 22
Adaptation.During guide groove is mobile, the side wall of baffle 22 is located in guide groove, and can move in guide groove, is led with playing
To and limit effect, guarantee the stable motion of baffle 22, avoid causing baffle 22 to fail because of air-impingement.
In one embodiment of the invention, it is preferable that as shown in Figure 6, further includes: plate 26 is set to seal chamber 20
It is interior, and be connected with membrane structure 14；Connector 28, the both ends of connector 28 are connected with membrane structure 14 and baffle 22 respectively.
In this embodiment, plate 26 is provided in seal chamber 20, and plate 26 fits with membrane structure 14, by draught head
It is converted into pressure difference, guarantees effective driving to membrane structure 14, while avoiding the local deformation of membrane structure 14；Membrane structure 14 and gear
It is connected with connector 28 between plate 22, meets space structure needs, it is ensured that effective adjusting to 18 area of passage of premix chamber.Specifically
Ground, plate 26 are plastic board.
In one embodiment of the invention, it is preferable that along the vertical direction, membrane structure 14 be located at premix chamber 18 top,
Lower section or side.
In this embodiment, along the vertical direction, membrane structure 14 is located at top, lower section or the side of premix chamber 18, for position
Set require it is low, it is adaptable, convenient for promote.
In one embodiment of the invention, it is preferable that as shown in Figure 5, further includes: elastic component 30,30 both ends of elastic component
It is connected respectively with membrane structure 14 and cover board 24.
In this embodiment, it is provided with elastic component 30 between membrane structure 14 and cover board 24, is adjusting premix chamber 18
Area of passage after, sampling mouth guarantee seal chamber 20 it is consistent with external pressure, membrane structure 14 can be under the action of elastic component 30
It resets, to drive baffle 22 to reset.
In specific embodiment, seal chamber 20 can be located at top, lower section or the side of premix chamber 18, and membrane structure 14 can be located at gear
Above or below plate 22, different mounting means has a little difference in structure, and concrete form is including but not limited to following
Mode:
Seal chamber 20 is above baffle 22, and when seal chamber 20 takes negative pressure, power suffered by baffle 22 is upward, Xiang Shangyi
Dynamic to open air inlet, when the power caused by negative pressure reduces later, baffle 22 can both have been dropped back by self gravity to original position.
Seal chamber 20 is below baffle 22, and when seal chamber 20 takes positive pressure, seal chamber 20 is pushed away to 22 1, baffle is upward
Power opens air inlet, and later when air quantity, which reduces positive pressure, to be reduced, baffle 22 is dropped back into original position automatically.
When laterally disposed or oblique placement, baffle 22 be cannot rely in the case that gravity drops back into original position, then need to be close
It seals and increases an elastic component 30 in or beyond chamber 20, so that it is dropped back into original position to 22 1 elastic force of baffle.Specifically, elastic component 30 is bullet
Spring.
In one embodiment of the invention, it is preferable that as shown in fig. 7, being formed with chamber between premix chamber 18 and shell 12
Body structure 32, blow vent 34 are located at the side wall of premix chamber 18, and cavity body structure 32 is connected with premix chamber 18 by blow vent 34.
In this embodiment, the side wall of shell 12 is provided with through-hole 40, is formed with cavity between premix chamber 18 and shell 12
Structure 32, combustion gas enters cavity body structure 32 by through-hole 40, and is stored in cavity body structure 32；Blow vent 34 is set to premix
The side wall of chamber 18, cavity body structure 32 are connected with premix chamber 18 by blow vent 34, and combustion gas enters premix by blow vent 34
In chamber 18；Air is entered in premix chamber 18 by air inlet；Air and combustion gas pass through after mixing in premix chamber 18
Port discharge.
In specific embodiment, pre-mixing apparatus 1 is double-layer structure, as shown in fig. 7, the center of pre-mixing apparatus 1 is premix chamber 18；
Cavity body structure 32 is formed between premix chamber 18 and shell 12.
In one embodiment of the invention, it is preferable that as shown in Fig. 4 to Fig. 5, further includes: adjustable plate 36 is set to logical
At port 34, for changing the breathing area of blow vent 34.
In this embodiment, adjustable plate 36 is provided at blow vent 34, the ventilation face of blow vent 34 can be changed in adjustable plate 36
Product to achieve the purpose that regulating gas inlet, and then changes the percentage composition of each section in mixed gas in premix chamber 18
Proportion.
In specific embodiment, adjustable plate 36 is rotatablely arranged at the side wall of premix chamber 18, by rotation adjustable plate 36 with
Change the breathing area of blow vent 34.
In one embodiment of the invention, it is preferable that as shown in Fig. 4 to Fig. 5, further includes: sealing element 38 is sheathed on pre-
It mixes on chamber 18, the position being connected for sealing premix chamber 18 with shell 12.
In this embodiment, be arranged with sealing element 38 on premix chamber 18, sealing element 38 be located at seal chamber 20 and shell 12 it
Between, the position being connected for sealing premix chamber 18 with shell 12 guarantees the leakproofness of cavity body structure 32, avoids gas leakage.
Specifically, sealing element 38 is O-ring seal.
In specific embodiment, as shown in Figure 7 and Figure 8, Fig. 7 is the sectional view of air inlet, the section at 22 center of Fig. 8 baffle
Figure.When installing pre-mixing apparatus 1, shell 12 is fixed on to the air inlet of blower with screw 16；Cover board 24 and plate 26 and film
Structure 14 is fixed on housing 12 by screw 16, and forms seal chamber 20.Baffle 22 is connected in membrane structure 14, makes seal chamber
In 20 when pressure change, membrane structure 14 can drive baffle 22 to move up and down.On housing 12, there is the guiding mobile for baffle 22
Slot, it is ensured that baffle 22 without departing from.Sealing element 38 can by gas sealing in the cavity body structure 32 between premix chamber 18 and shell 12,
Prevent gas leakage.Combustion gas can be carried out tolerance adjusting (note: there are two the tools of adjustable plate 36) by adjustable plate 36, in premix chamber 18
The heart is interconnected air inlet and air outlet, the area of air inlet can be adjusted by baffle 22, to reach adjusting air inlet
The purpose of amount.
In specific embodiment, different mounting means has a little difference in structure, specifically includes but be not limited to following
Several ways:
Seal chamber 20 is above baffle 22, and when seal chamber 20 takes negative pressure, power suffered by baffle 22 is upward, Xiang Shangyi
Dynamic to open air inlet, when the power caused by negative pressure reduces later, baffle 22 can both have been dropped back by self gravity to original position.
Seal chamber 20 is below baffle 22, and when seal chamber 20 takes positive pressure, seal chamber 20 is pushed away to 22 1, baffle is upward
Power opens air inlet, and later when air quantity, which reduces positive pressure, to be reduced, baffle 22 is dropped back into original position automatically.
When laterally disposed or oblique placement, baffle 22 be cannot rely in the case that gravity drops back into original position, then need to be close
It seals and increases an elastic component 30 in or beyond chamber 20, so that it is dropped back into original position to 22 1 elastic force of baffle.
The present invention uses pneumatic actuation, no longer only carries out air inlet adjusting simply by 22 self gravity of baffle, but
The effect of aerodynamic force has been given full play to come 22 position of controllable register by aerodynamic force caused by draught head completely.It is pre- in installation
During mixing device 1, baffle 22 will not be influenced by installation direction: seal chamber 20 above when, can make sample mouth obtain air inlet
Negative pressure uses in managing；Seal chamber 20 is in the horizontal direction or when tilting upward, and can make to sample mouth and obtains negative pressure in blast pipe and use
And increase spring；Seal chamber 20 diagonally downward or vertically downward when, can make to sample mouth and obtain positive pressure in blast pipe and use.
Second aspect of the present invention proposes a kind of water heater, comprising: such as the pre-mixing apparatus of any one of first aspect present invention
1；And blower, shell 12 are located at the air inlet of blower.
The water heater that second aspect of the present invention proposes, because including the pre-mixing apparatus 1 such as any one of first aspect present invention, because
This whole beneficial effect with above-mentioned pre-mixing apparatus 1, is no longer stated one by one herein.
In specific implementation, water heater proposed by the present invention is full premix wall-hung boiler.
Term " multiple " then refers to two or more, unless otherwise restricted clearly, the instructions such as term " on ", "lower"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention；Term " connection ", " installation ", " fixation " etc. shall be understood in a broad sense, for example,
" connection " may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, can also lead to
Intermediary is crossed to be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pre-mixing apparatus characterized by comprising
Shell is provided with premix chamber in the shell, and the premix chamber includes interconnected air inlet, gas outlet and ventilation
Mouthful, first gas enters the premix chamber by the air inlet, and second gas enters the premix chamber by the blow vent；
Membrane structure is set on the shell,
Actuator is set on the shell, and the membrane structure can generate deformation under the driving of the actuator；
Baffle is set in the premix chamber, and is connected with the membrane structure, and the baffle can be in the drive of the membrane structure
The radial motion of premix chamber described in lower edge, to change the area of passage of the premix chamber, the first gas and second gas
Body is discharged after mixing in the premix chamber by the gas outlet.
2. pre-mixing apparatus according to claim 1, which is characterized in that further include:
Cover board is set on the shell, and the membrane structure and the cover board are formed with seal chamber；
The actuator is sampling mouth, and the sampling mouth is connected with the seal chamber, and the sampling mouth is described close by changing
Intracavitary pressure is sealed to drive the membrane structure to generate deformation.
3. pre-mixing apparatus according to claim 1, which is characterized in that further include:
Guide groove is set on the shell, and the baffle can the movement of the guide groove described in the drive lower edge of the membrane structure.
4. pre-mixing apparatus according to claim 2, which is characterized in that further include:
Plate is set in the seal chamber, and is connected with the membrane structure；
Connector, the both ends of the connector are connected with the membrane structure and the baffle respectively.
5. pre-mixing apparatus according to any one of claim 1 to 4, which is characterized in that
Along the vertical direction, the membrane structure is located at top, lower section or the side of the premix chamber.
6. pre-mixing apparatus according to claim 5, which is characterized in that further include:
Elastic component, the elastic component both ends are connected with the membrane structure and the cover board respectively.
7. pre-mixing apparatus according to any one of claim 1 to 4, which is characterized in that
Cavity body structure is formed between the premix chamber and the shell, the blow vent is located at the side wall of the premix chamber, institute
It states cavity body structure and is connected with the premix chamber by the blow vent.
8. pre-mixing apparatus according to claim 7, which is characterized in that further include:
Adjustable plate is set at the blow vent, for changing the breathing area of the blow vent.
9. pre-mixing apparatus according to claim 7, which is characterized in that further include:
Sealing element is sheathed on the premix chamber, the position being connected for sealing the premix chamber with the shell.
10. a kind of water heater characterized by comprising
Pre-mixing apparatus as claimed in any one of claims 1-9 wherein；And
Blower, the shell are located at the air inlet of the blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399591.7A CN110068012B (en) | 2019-05-14 | 2019-05-14 | Premixing device and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399591.7A CN110068012B (en) | 2019-05-14 | 2019-05-14 | Premixing device and water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110068012A true CN110068012A (en) | 2019-07-30 |
| CN110068012B CN110068012B (en) | 2022-09-30 |
Family
ID=67370787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910399591.7A Active CN110068012B (en) | 2019-05-14 | 2019-05-14 | Premixing device and water heater |
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| Country | Link |
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| CN (1) | CN110068012B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202955701U (en) * | 2012-04-24 | 2013-05-29 | 何梅顺 | Flow distributing and collecting device |
| CN103574601A (en) * | 2013-11-11 | 2014-02-12 | 广东美的厨房电器制造有限公司 | Premixing combustor and gas stove |
| CN203586202U (en) * | 2013-11-11 | 2014-05-07 | 广东美的厨房电器制造有限公司 | Premix burner and gas stove |
| CN104728842A (en) * | 2015-02-06 | 2015-06-24 | 宁波市甬深电器有限公司 | Forced full-premixing fuel gas combustion device enabling fuel gas to be completely combusted |
| CN204943489U (en) * | 2015-04-17 | 2016-01-06 | 宋焕臣 | A kind of gas premixing device and be provided with the burner of this gas premixing device |
| CN105864768A (en) * | 2016-05-26 | 2016-08-17 | 马静 | Air blowing type constant-pressure premixing and multi-hole independent combustion energy-saving device |
| CN108106446A (en) * | 2018-01-29 | 2018-06-01 | 佛山市诺燃控科技有限公司 | A kind of air control valve |
| CN208418724U (en) * | 2018-06-27 | 2019-01-22 | 芜湖美的厨卫电器制造有限公司 | Pre-mixing apparatus and gas heater |
-
2019
- 2019-05-14 CN CN201910399591.7A patent/CN110068012B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202955701U (en) * | 2012-04-24 | 2013-05-29 | 何梅顺 | Flow distributing and collecting device |
| CN103574601A (en) * | 2013-11-11 | 2014-02-12 | 广东美的厨房电器制造有限公司 | Premixing combustor and gas stove |
| CN203586202U (en) * | 2013-11-11 | 2014-05-07 | 广东美的厨房电器制造有限公司 | Premix burner and gas stove |
| CN104728842A (en) * | 2015-02-06 | 2015-06-24 | 宁波市甬深电器有限公司 | Forced full-premixing fuel gas combustion device enabling fuel gas to be completely combusted |
| CN204943489U (en) * | 2015-04-17 | 2016-01-06 | 宋焕臣 | A kind of gas premixing device and be provided with the burner of this gas premixing device |
| CN105864768A (en) * | 2016-05-26 | 2016-08-17 | 马静 | Air blowing type constant-pressure premixing and multi-hole independent combustion energy-saving device |
| CN108106446A (en) * | 2018-01-29 | 2018-06-01 | 佛山市诺燃控科技有限公司 | A kind of air control valve |
| CN208418724U (en) * | 2018-06-27 | 2019-01-22 | 芜湖美的厨卫电器制造有限公司 | Pre-mixing apparatus and gas heater |
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| CN110068012B (en) | 2022-09-30 |
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