CN209013199U - Burner for gas stove and gas-cooker comprising it - Google Patents

Abstract

The utility model discloses a kind of burner for gas stove and comprising its gas-cooker, burner for gas stove includes burner body and fire hole wall, and burner body has an inner cavity, and fire hole wall is fixed on interior intracavitary, and inner cavity is isolated into mutually independent mixing chamber and combustion chamber.Fire hole wall includes at least one annular plain film and at least one annular corrugated, at least one annular plain film and at least one the annular corrugated short transverse juxtaposition along burner body are arranged, and it is fixed, it is formed with the spaced at least one layer fire hole in the short transverse of burner body, and one end of each layer of fire hole is connected to mixing chamber, the other end and combustion chamber of each layer of fire hole.Gas-cooker includes burner for gas stove as described above.Air-flow is more stable when the utility model can make combustion air and the mixed gas of combustion gas enter combustion chamber by fire hole, and gas flow rate is relatively uniform, and combustion flame is more stable, burns more abundant, the thermal efficiency is higher, and disposal of pollutants is lower.

Description

Burner for gas stove and gas-cooker comprising it

Technical field

The utility model relates to a kind of burner for gas stove and include its gas-cooker.

Background technique

Existing burner for gas stove, especially commercial gas stove combustor include burner body, injector, combustion gas into Tracheae, primary air air inlet pipe and fire hole wall, burner body have an inner cavity, and fire hole wall is fixed on the inner cavity of burner body It is interior, and surround and form combuster.Fire hole wall uses the annular frustum cone structure of integral type, and fire hole wall is equipped with spaced multiple Fire hole, and the center line of fire hole is inclined relative to the center line of combustion chamber.Gas inlet pipe and primary air air inlet pipe It is connected to and in communication with one end of injector.The other end of injector is connected to burner, and is connected to one end of fire hole, fire hole it is another One end and combustion chamber, and fire hole uses round hole.

However, form has the following deficiencies: the combustion air in injector and the mixed gas of combustion gas using the above structure It is directly over when fire hole enters combustion chamber that air-flow is relatively unstable, burned flame is unstable, and it be easy to cause burning to be not enough, The thermal efficiency is lower, and disposal of pollutants is higher.

Utility model content

The technical problems to be solved in the utility model is to overcome commercial gas stove combustor traditional in the prior art The air-flow of generation is relatively unstable, burned flame is unstable, burning is be easy to cause to be not enough, the thermal efficiency is lower, pollution row Higher defect is put, a kind of burner for gas stove is provided.

The utility model is to solve above-mentioned technical problem by following technical proposals:

A kind of burner for gas stove, the burner for gas stove include burner body and fire hole wall, the burner master Body has an inner cavity, and the fire hole wall is fixed on the described interior intracavitary of the burner body, and the inner cavity is isolated into phase Mutual independent mixing chamber and combustion chamber；

The fire hole wall includes at least one annular plain film and at least one annular corrugated, at least one described annular flat Piece and at least one described annular corrugated short transverse juxtaposition along the burner body are arranged and fix, and are formed with The spaced at least one layer fire hole in the short transverse of the burner body, and one end of each layer fire hole and institute State mixing chamber connection, the other end and the combustion chamber of each layer fire hole.

In the present solution, annular plain film and annular corrugated fit structure can enter in fire hole to out of mixing chamber Combustion air and the mixed gas air-flow of combustion gas are more stable, and gas flow rate is relatively uniform when outflow fire hole burns, and flame is more Stablize, burns more abundant, the thermal efficiency is higher, and disposal of pollutants is lower.

In addition, when guaranteeing same thermic load, compared with the prior art, occupied by the fire hole wall in the technical program Space it is smaller, to reduce the overall volume of burner for gas stove, and processing and fabricating is convenient.

Preferably, circumferential direction corrugated structure of each layer fire hole along the fire hole wall.

Preferably, each layer fire hole includes multiple fire holes, multiple fire holes along the fire hole wall circumferential array, One end of the fire hole is connected to the mixing chamber, the other end of the fire hole and the combustion chamber.

Preferably, it is described annular plain film have it is multiple, described annular corrugated have it is multiple, the fire hole have multilayer.

Preferably, the burner for gas stove further includes auxiliary air blower, the auxiliary air blower is fixed on described Burner body, and for being sent into auxiliary air to the combustion chamber.

In the present solution, auxiliary air blower, which provides air, enters combustion chamber to burned flame progress auxiliary air benefit It fills, and plays the role of flow-disturbing, keep burning more abundant, realize the effect of supplement auxiliary air, while also having reached and not increased once Air capacity, and reduce the purpose that tempering tends to.

When adjusting firepower in use, the gas quantity that nozzle sprays changes and (increases or decreases), can adjust automatically The wind speed for saving auxiliary air blower makes the auxiliary air amount provided also opposite variation (increasing or decreasing), makes flameholding.

Preferably, the burner body is equipped with drainage hole, the drainage hole is located at the bottom of the combustion chamber, and with institute State combustion chamber；

The auxiliary air blower has a gas outlet, and the burner for gas stove further includes secondary air conduit and threeway Connector, one end of the secondary air conduit are connected to the gas outlet, and the first port of the three-way connection engages the row Water hole, the second port of the three-way connection engage the other end of the secondary air conduit, the third end of the three-way connection Mouth is connected to the external of the burner for gas stove, and the third port and first port of the three-way connection are on the same line.

In the present solution, when using directly to when quickly reducing chamber temperature to reach by the way of gas-cooker water-sprinkling, water Stream can be flowed directly to the outside of burner for gas stove by drainage hole, so as to guarantee normally making for burner for gas stove With.Also, the gas outlet of auxiliary air blower is accessed by three-way connection from side, to keep cooking fume burning issuable Particulate matter can be flowed downward out directly from the first port of three-way connection to third port, without blocking second port.

Preferably, the burner body is equipped with drainage hole, the drainage hole is located at the bottom of the combustion chamber, and with institute Combustion chamber is stated, and the drainage hole is used to be connected to the external of the burner for gas stove.

In the present solution, using directly to when quickly reducing chamber temperature to reach by the way of gas-cooker water-sprinkling, water Stream can be flowed directly to the outside of burner for gas stove by drainage hole, so as to guarantee normally making for burner for gas stove With.

Preferably, the burner body also has primary air chamber, the primary air chamber is located at the inner cavity Lower section, and be isolated with the inner cavity；

The burner for gas stove further include:

Primary air blower, the primary air blower are fixed on the burner body, and with the primary air chamber Room connection, to supply combustion air into the primary air chamber；

Nozzle and combustion gas ejector pipe, the nozzle is set to one end of the combustion gas ejector pipe, and is used for the combustion gas Combustion gas is sprayed into one end of ejector pipe, and the combustion gas ejector pipe is arranged in the primary air chamber, it will be described primary The indoor combustion air of air chamber introduces the inside of the combustion gas ejector pipe, and the other end of the combustion gas ejector pipe is connected to described The combustion air of inside of the combustion gas ejector pipe and the mixed gas of combustion gas are passed through the mixing chamber by mixing chamber.

In the present solution, the setting of combustion gas ejector pipe enables to combustion air preferably to be premixed with combustion gas, thus So that burning is sufficiently, flame stabilization.

Preferably, the burner for gas stove further include:

Gas inlet pipe, one end of the gas inlet pipe is for being passed through combustion gas, the nozzle and the gas inlet pipe The other end be connected to and in communication with；

Gas stabilized-pressure valve, the gas stabilized-pressure valve are set to the gas inlet pipe.

In the present solution, gas stabilized-pressure valve can control the stable admission pressure of combustion gas, reach determining thermic load, so that Air-flow in fire hole is more stable, also makes combustion flame more stable.

The utility model additionally provides a kind of gas-cooker comprising burner for gas stove as described above.

On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with Good example.

The positive effect of the utility model is:

The burner for gas stove of the utility model and gas-cooker comprising it, annular plain film and annular corrugated cooperation knot Gas when structure can enter combustion chamber by fire hole to the mixed gas out of mixing chamber into combustion air and combustion gas in fire hole Stream is more stable, and gas flow rate is relatively uniform, and the flame of generation is more stable, burns more abundant, and the thermal efficiency is higher, pollution row It puts lower.In addition, when guaranteeing same thermic load, compared with the prior art, occupied by the fire hole wall in the technical program Space it is smaller, to reduce the overall volume of burner for gas stove and gas-cooker.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the burner for gas stove of an embodiment of the present invention.

Fig. 2 is the schematic diagram of internal structure of the burner for gas stove of an embodiment of the present invention.

Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2.

Description of symbols:

Burner for gas stove: 1

Burner body: 2

Mixing chamber: 20

Combustion chamber: 21

Center line: 210

Primary air chamber: 22

Drainage hole: 23

Fire hole wall: 3

Annular plain film: 30

Annular corrugated: 31

Fire hole: 32

Primary air blower: 4

Combustion gas ejector pipe: 5

Flame-out protection device: 6

Ion detection needle: 60

Ion signal inductive needle item: 61

Igniting is ignited rifle: 7

Auxiliary air blower: 8

Gas outlet: 80

Three-way connection: 9

First port: 90

Second port: 91

Third port: 92

Secondary air conduit: 10

Positioning region: 11

The short transverse of burner body: H

Specific embodiment

The utility model is further illustrated below by the mode of embodiment, but is not therefore limited in the utility model Among the embodiment described range.

Fig. 1-3 shows a kind of schematic structure of burner for gas stove according to an embodiment of the present invention.Such as Fig. 1-3 Shown, burner for gas stove 1 includes burner body 2 and fire hole wall 3.Burner body 2 has an inner cavity.Fire hole wall 3 is fixed In intracavitary in burner body 2, and inner cavity is isolated into mutually independent mixing chamber 20 and combustion chamber 21.In present embodiment In, the material of fire hole wall 3 uses stainless steel.

Fire hole wall 3 includes at least one annular plain film 30 and at least one annular corrugated 31.At least one annular plain film 30 are arranged (i.e. two of arbitrary neighborhood at least one the annular corrugated 31 height direction H juxtaposition along burner body One annular corrugated 31 is all had between annular plain film 30, and an annular is all had between any two annular corrugated 31 Plain film 30), and it is fixed, it is formed with the spaced at least one layer fire hole 32 in the height direction H of burner body.And it is each One end of layer fire hole 32 is connected to mixing chamber 20, and the other end of each layer of fire hole 32 is connected to combustion chamber 21.

Annular plain film 30 and annular corrugated 31 fit structure can be to entering helping in fire hole 32 out of mixing chamber 20 The mixed gas for firing air and combustion gas, air-flow is more stable when into combustion chamber 21, and gas flow rate is relatively uniform, guarantees fire hole 32 It is more stable to export combustion flame, burns more abundant, the thermal efficiency is higher, and disposal of pollutants is lower.Meanwhile guaranteeing same heat Under load condition, compared with the prior art, the occupied space of fire hole wall 3 in the technical program is smaller, to reduce combustion The overall volume of burner for gas stove 1.

In the present embodiment, annular plain film have it is multiple, annular corrugated have it is multiple, fire hole have multilayer.Certainly, In other alternative embodiments, annular plain film and annular corrugated or one, fire hole may be one layer.

Further, in the present embodiment, burner for gas stove 1 is used for commercial gas-fired stove.Combustion chamber 21 is along fire hole wall 3 The inside for being radially disposed in mixing chamber 20.And combustion chamber 21 is located at the central part of burner for gas stove 1.

Multiple annular plain films 30 and multiple annular corrugated 31 region being pressed in burner body 2 positioned at inner cavity top Be located between the region of intracavity bottom, can limit so multiple annular plain films 30 and it is multiple annular corrugated 31 relative to combustion Relative motion of the burner main body 2 in the height direction H of burner body.

Burner for gas stove 1 further includes at least three positioning regions 11, and at least three positioning regions 11 are between the circumferential direction of fire hole wall 3 Every setting.Each positioning region 11 is fixed in the mixing chamber 20 of burner body 2.And each positioning region 11 is resisted against fire hole wall 3 outside wall surface, can limit so multiple annular plain films 30 and it is multiple annular corrugated 31 relative to burner body 2 with combustion Relative motion on the vertical face of the height direction H of burner main body (in the present embodiment, which is horizontal plane).

Further, it is annular plain film 30 that bottommost and the component of top are located at referring to Fig. 3, in fire hole wall 3.

Further, circumferential direction corrugated structure of each layer of fire hole 32 along fire hole wall 3.

Specifically, as shown in figure 3, each layer of fire hole 32 includes multiple fire holes 32, circumferential direction of multiple fire holes 32 along fire hole wall 3 Arrangement.Each fire hole 32 is arc along the circumferential shape of fire hole wall 3.One end of each fire hole 32 and mixing chamber 20 connect Logical, the other end of each fire hole 32 is connected to combustion chamber 21.In the present embodiment, the center line of each fire hole 32 and combustion The center line 210 for burning room 21 is vertical, that is to say, that the center line of each fire hole 32 is arranged in horizontal direction, with upward two Secondary air can play the role of turbulent combustion at intersecting vertically.

As shown in Fig. 2, burner body 2 also has primary air chamber 22.Primary air chamber 22 is located under inner cavity Side.Primary air chamber 22 is isolated with inner cavity.

As shown in Figs. 1-2, burner for gas stove 1 further includes primary air blower 4 and combustion gas ejector pipe 5.Primary air wind Machine 4 is fixed on burner body 2, and is connected to primary air chamber 22, to supply combustion air into primary air chamber 22.

One end of combustion gas ejector pipe 5 sprays into combustion gas by nozzle, and combustion gas ejector pipe 5 is arranged in primary air chamber 22, The combustion air in primary air chamber 22 to be introduced to the inside of combustion gas ejector pipe 5.The other end of combustion gas ejector pipe 5 is connected to The mixed gas of the combustion air of the inside of combustion gas ejector pipe 5 and combustion gas is passed through mixing chamber 20 by mixing chamber 20.

The setting of combustion gas ejector pipe 5 enables to combustion air preferably to be premixed with combustion gas, by combustion air and combustion Gas is mixedly more uniform, after being lighted by electronic ignition, so that burning is more abundant.

In addition, burner for gas stove 1 further includes gas inlet pipe (not shown), nozzle (not shown) and combustion gas Pressure maintaining valve (not shown).One end of gas inlet pipe is for being passed through combustion gas.The connection of the other end of nozzle and gas inlet pipe. Gas stabilized-pressure valve is set to gas inlet pipe.The pressure that gas stabilized-pressure valve can control combustion gas in gas inlet pipe is stablized, thus So that the air-flow in fire hole 32 is more stable.In the present embodiment, nozzle is connected on burner body 2 by thread.

As Figure 2-3, burner for gas stove 1 further includes flame-out protection device 6.Flame-out protection device 6 is fixed on burning In device main body 2, and one end of flame-out protection device 6 is located at the bottom of combustion chamber 21.Sense that flame is believed in flame-out protection device 6 Number when generate electric current, maintain solenoid valve to open, flame-out protection device 6 incudes less than flame ion signal, no maintenance electric current, electromagnetism Valve is closed, and 1 gas supply of burner for gas stove is cut off, and realizes the purpose of accident extinguishing protection.In the present embodiment, stop working and protect The other end of protection unit 6 is located in primary air chamber 22.

Specifically, flame-out protection device 6 includes ion detection needle 60.One end of ion detection needle 60 is located at combustion chamber 21 It is interior.The ion signal inductive needle item 61 of ion detection needle 60 is bending.In the present embodiment, ion detection needle 60 is another End is located in primary air chamber 22.

Further, burner for gas stove 1 further includes igniting rifle 7 for lighting the igniting of burner for gas stove 1, and igniting is drawn Firelock 7 is located at the bottom of combustion chamber 21, and the outlet of pyrophoric flame is directed at combustion chamber 21, igniting pyrophoric flame is made to pass through combustion chamber 21 Light burner for gas stove.Ion detection needle 60 is connect with components such as common valve body, electric controller and solenoid valves (in this embodiment party In formula, the connection type of the components such as ion detection needle 60 and common valve body, electric controller and solenoid valve is to have in the prior art , do not do excessively repeat herein).In this way, ignition flame from igniting ignite rifle 7 spray, enter burning from the bottom of combustion chamber 21 The ion signal inductive needle item 61 of room 21, ion detection needle 60 senses flare up fire, and solenoid valve is maintained to open, gas-cooker combustion Burner 1 works normally.When occurring surprisingly causing 1 accident extinguishing of burner for gas stove, ion detection needle 60 incudes less than flame Ion signal, no maintenance electric current, solenoid valve are closed, and 1 gas supply of burner for gas stove is cut off, and realize the mesh of accident extinguishing protection 's.

As shown in Figs. 1-2, burner for gas stove 1 further includes auxiliary air blower 8, and auxiliary air blower 8 is fixed on burning Device main body 2, and for being sent into auxiliary air to combustion chamber 21.

Auxiliary air blower 8 provides auxiliary air and enters combustion chamber 21 to burned flame progress auxiliary air supplement, makes It burns more abundant, realizes the effect of supplement auxiliary air, while also having reached and not increased primary air amount, and reduce tempering and tend to Purpose.

In use, nozzle ejects combustion gas, the combustion air (i.e. primary air) that the burning of 5 injection of combustion gas ejector pipe needs, By mixing chamber 20, burning is sprayed by the fire hole 32 of fire hole wall 3.

In the present embodiment, auxiliary air blower 8 uses adjustable speed DC fan, such as turbofan.Work as in use When middle adjusting firepower, the combustion gas that nozzle sprays changes and (increases or decreases), the auxiliary air amount that auxiliary air blower 8 provides Also opposite variation (increasing or decreasing), makes flameholding.

As Figure 2-3, burner body 2 is equipped with drainage hole 23.Drainage hole 23 is located at the bottom of combustion chamber 21, and with combustion Room 21 is burnt to be connected to.And drainage hole 23 is used to be connected to the external of burner for gas stove 1.Using the side directly to gas-cooker water-sprinkling When formula quickly reduces by 21 temperature of combustion chamber to reach, water flow can be flowed directly to the outer of burner for gas stove 1 by drainage hole 23 Portion, so as to guarantee the normal operation of burner for gas stove 1.

Auxiliary air blower 8 has a gas outlet 80.Burner for gas stove 1 further includes that secondary air conduit 10 and three connects First 9.One end of secondary air conduit 10 is connected to gas outlet 80.The first port 90 of three-way connection 9 engages drainage hole 23.Threeway The second port 91 of connector 9 engages the other end of secondary air conduit 10.The third port 92 and gas-cooker of three-way connection 9 are burnt The external connection of device 1.The third port 92 and first port 90 of three-way connection 9 are on the same line.Although not illustrating in figure, the Three ports 92 can be connected to drain outlet by pipeline.

From figure 3, it can be seen that first port 90 and third port 92 are straight up and down, also, auxiliary air blower 8 goes out Port 80 is accessed by three-way connection 9 from side, so that unburned sufficient oil smoke can be directly from the first end of three-way connection 9 Mouth 90 flows downward out third port 92, without blocking second port 91.Oil smoke will not be blocked enters port.Secondary When air blower 8 is sent into auxiliary air, the third port 92 of three-way connection can be closed, and can prevent auxiliary air from dispersing in this way.

The present embodiment additionally provides a kind of gas-cooker, which includes burner for gas stove 1 as described above.Using packet The gas-cooker of burner for gas stove 1 as described above is included, the thermal efficiency is higher, and disposal of pollutants is lower.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that This is merely illustrative of, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art Under the premise of without departing substantially from the principles of the present invention and essence, various changes or modifications can be made to these embodiments, But these change and modification each fall within the protection scope of the utility model.

Claims (10)

1. a kind of burner for gas stove, the burner for gas stove includes burner body and fire hole wall, the burner body With an inner cavity, the fire hole wall is fixed on the described interior intracavitary of the burner body, and the inner cavity is isolated into mutually Independent mixing chamber and combustion chamber, it is characterised in that:

The fire hole wall includes at least one annular plain film and at least one annular corrugated, at least one described annular plain film and At least one described annular corrugated short transverse juxtaposition along the burner body is arranged and fixes, and is formed in institute Spaced at least one layer fire hole in the short transverse of burner body is stated, and one end of each layer fire hole is mixed with described Gas chamber connection, the other end and the combustion chamber of each layer fire hole.

2. burner for gas stove as described in claim 1, which is characterized in that week of each layer fire hole along the fire hole wall To corrugated structure.

3. burner for gas stove as described in claim 1, which is characterized in that each layer fire hole includes multiple fire holes, more Along the circumferential array of the fire hole wall, one end of the fire hole is connected to a fire hole with the mixing chamber, the fire hole it is another One end and the combustion chamber.

4. burner for gas stove as described in claim 1, which is characterized in that the annular plain film has multiple, the annular Corrugated plate have it is multiple, the fire hole have multilayer.

5. burner for gas stove as described in claim 1, which is characterized in that the burner for gas stove further includes auxiliary air Blower, the auxiliary air blower are fixed on the burner body, and for being sent into auxiliary air to the combustion chamber.

6. burner for gas stove as claimed in claim 5, which is characterized in that the burner body is equipped with drainage hole, described Drainage hole is located at the bottom of the combustion chamber, and with the combustion chamber；

The auxiliary air blower has a gas outlet, and the burner for gas stove further includes that secondary air conduit and three connect Head, one end of the secondary air conduit are connected to the gas outlet, and the first port of the three-way connection engages the draining Hole, the second port of the three-way connection engage the other end of the secondary air conduit, the third port of the three-way connection External with the burner for gas stove is connected to, and the third port and first port of the three-way connection are on the same line.

7. burner for gas stove as described in claim 1, which is characterized in that the burner body is equipped with drainage hole, described Drainage hole is located at the bottom of the combustion chamber, and with the combustion chamber, and the drainage hole is used for and the gas-cooker fires The external connection of burner.

8. such as the described in any item burner for gas stove of claim 1-7, which is characterized in that the burner body also has one Secondary air chamber, the primary air chamber is located at the lower section of the inner cavity, and is isolated with the inner cavity；

The burner for gas stove further include:

Primary air blower, the primary air blower is fixed on the burner body, and connects with the primary air chamber It is logical, to supply combustion air into the primary air chamber；

Nozzle and combustion gas ejector pipe, the nozzle is set to one end of the combustion gas ejector pipe, and is used for the combustion gas injection Combustion gas is sprayed into one end of pipe, and the combustion gas ejector pipe is arranged in the primary air chamber, by the primary air The indoor combustion air of chamber introduces the inside of the combustion gas ejector pipe, and the other end of the combustion gas ejector pipe is connected to the mixed gas The mixed gas of combustion air and combustion gas inside the combustion gas ejector pipe is passed through the mixing chamber by room.

9. burner for gas stove as claimed in claim 8, which is characterized in that the burner for gas stove further include:

Gas inlet pipe, for being passed through combustion gas, the nozzle is another with the gas inlet pipe for one end of the gas inlet pipe One end is connected to and in communication with；

Gas stabilized-pressure valve, the gas stabilized-pressure valve are set to the gas inlet pipe.

10. a kind of gas-cooker, which is characterized in that it includes such as the described in any item burner for gas stove of claim 1-9.