CN208011800U - A kind of combination stove - Google Patents

Abstract

The utility model is related to a kind of combination stoves, including casing, electromagnetic stove component and bas burner, casing includes panel and bottom case, electromagnetic stove component includes heat dissipation wind channel, bas burner includes gas burner, it includes the pedestal being located in casing, and auxiliary air import is offered on pedestal, and auxiliary air import and the hot-blast outlet of above-mentioned heat dissipation wind channel are in fluid communication.Compared with prior art, combination stove in the utility model is integrated with electromagnetic stove, bas burner, bas burner includes the pedestal positioned at enclosure interior, the auxiliary air import being in fluid communication with the fire hole on burner is provided on pedestal, the hot-blast outlet of heat dissipation wind channel is connected to the auxiliary air inlet fluid, hot wind in this way in heat dissipation wind channel enters in auxiliary air import, it avoids impacting the heat dissipation performance of kitchen range outside hot wind blow-through kitchen range, and it is replenished at the fire hole of burner using the hot wind as the auxiliary air of bas burner, the auxiliary air of preheating can effectively improve the thermal efficiency of burner.

Description

A kind of combination stove

Technical field

The utility model is related to kitchen range field more particularly to a kind of combination stoves being integrated with electromagnetic stove and gas-cooker.

Background technology

Electromagnetic stove and gas-cooker are existing cooking stoves common in the family, and wherein electromagnetic stove includes mainly shell and interior It is placed in the movement of shell, the panel being connected on movement exposes to shell, and the wherein movement of electromagnetic stove includes mainly electromagnetic wire coil And the wire coil bracket of the electromagnetic wire coil is housed, and control the circuit board of electromagnetic wire coil work.Electromagnetic stove in use can Amount of heat is generated, traditional radiating mode mainly uses direct current brush wind turbine or centrifugal blower to be entered the wind from electromagnetic stove chassis, connects The side outlet air heat dissipation from electromagnetic stove.Although this radiating mode can preferably disperse the hot-air inside electromagnetic stove, heat Air is blown to after the heat dissipation wind channel at the table top of kitchen range, and the table top side of kitchen range is generally the support construction of cabinet, from And the circulation of heat dissipation wind channel exit hot-air is influenced, air-out effect is influenced, the heat dissipation effect of electromagnetic stove is then affected.

Gas cooker generally comprises panel, chassis and burner, which is generally atmospheric burner, it is general It is made of burner, fire cover and nozzle, there is ejector pipe and gas premixing room on burner, there is round or rectangle fire hole, peace in fire cover It is placed on burner, the combustion gas sprayed from nozzle drives the air on periphery to enter ejector pipe and gas premixing room, subsequently into fire cover It flows out and burns from fire hole.The burner of existing gas-cooker generally supplements auxiliary air in the following manner：(1) it is mended from panel Fill auxiliary air；(2) auxiliary air is supplemented by chassis.Such as：(authorize public number is Patent No. ZL201410355976.0 104121583 B of CN) Chinese invention patent, Patent No. ZL201220166393.X (authorize public number be CN 202613510 U) Chinese utility model patent etc..It can promote the burning of flame on burner, solution by supplementing auxiliary air The insufficient problem of fuel gas buring caused by certainly due to lack of air, but existing auxiliary air arbitrary way is to auxiliary air Preheating it is insufficient, to affect the thermal efficiency of burner.

Utility model content

Technical problem to be solved in the utility model is to provide one kind for the prior art and being integrated with electromagnetic stove and combustion The combination stove of gas kitchen, the combination stove can be avoided effectively outside hot-air blow-through kitchen range, and can be carried out to auxiliary air effectively pre- Heat.

Technical solution is used by the utility model solves above-mentioned technical problem：A kind of combination stove, including casing, electromagnetism Stove component and bas burner, said machine casing include panel and bottom case, and above-mentioned electromagnetic stove component includes being arranged in the casing Heat dissipation wind channel, above-mentioned bas burner include the gas burner being installed in the correspondence trepanning of panel, which is characterized in that described Gas burner includes the pedestal being located in casing, and two be in fluid communication with the fire hole on gas burner are offered on the pedestal Secondary air intlet, the auxiliary air import and the hot-blast outlet of above-mentioned heat dissipation wind channel are in fluid communication.

Preferably, the heat dissipation wind channel includes wind turbine and radiator, air outlet, the radiator and above-mentioned two of the wind turbine Secondary air intlet is set gradually, and the heat of radiator absorption is taken away by the outlet air of wind turbine, and two are blown in the form of hot wind At secondary air intlet so that bas burner preheated after auxiliary air.

Preferably, the electromagnetic stove component further includes the wire coil component and circuit board being arranged in casing, the drum group Part is arranged in the lower section of panel comprising fixed plate and drum, the drum are mounted in the fixed plate and are located at panel and fixation Between plate, foregoing circuit plate is mounted on bottom case, and above-mentioned radiator is mounted between above-mentioned fixed plate and circuit board, and is radiated The top of device is close to the lower surface of above-mentioned fixed plate, can be sent out when at least one work in the circuit board and its bottom is at least sticked On the electronic component of heat.It, on the one hand can heat radiation wind so as to make radiator fully absorb the heat of electromagnetic stove component generation On the other hand the heat dissipation effect in road can preferably preheat the auxiliary air for entering auxiliary air import, that is, enter casing Internal cold air, the heat of absorption is more, then preferably to the heat dissipation effect of electromagnetic stove component, absorb after more heat transfer compared with The air of high-temperature, in the form of auxiliary air be applied to bas burner, can effectively improve bas burner the thermal efficiency and Efficiency of combustion.

Preferably, the radiator is gilled radiator, top is formed with the outlet air with wind turbine and moves towards unanimously Radiate straight slot, and the air outlet of the wind turbine is directed at above-mentioned auxiliary air import, is conducive to the heat on radiator along heat dissipation straight slot It is oriented to auxiliary air import.

It is the mixing chamber, outer preferably, the gas burner further includes mixing chamber, external ring fire cover and interior ring fire cover Ring fire cover and interior ring fire cover are respectively positioned on the top of above-mentioned panel, and ejector pipe and mating with ejector pipe is connected in said base Nozzle；It is provided with inner ring channel and outer ring channel in said base, inner ring is provided on mixing chamber and mixes air cavity and the mixed gas of outer shroud Chamber, the side of the mixing chamber is circumferentially spaced to be equipped with auxiliary air hole, and above-mentioned inner ring mixes air cavity and outer shroud mixes shape between air cavity At the secondary-air passage of the annular communicated with above-mentioned auxiliary air hole, which is arranged on pedestal, and inner ring mixes gas Chamber is communicated with inner ring channel, and outer shroud mixes air cavity and communicated with outer ring channel, and above-mentioned interior ring fire cover setting is mixed in inner ring on air cavity, and External ring fire cover is arranged on outer shroud air cavity, which is characterized in that the intermediate channel of annular is additionally provided on the pedestal, the centre is logical Road setting offers auxiliary air import between above-mentioned inner ring channel and outer ring channel, and on the bottom wall of the intermediate channel, on The bottom for stating mixing chamber is provided with the auxiliary air chamber communicated with the intermediate channel, is offered on the lateral wall of the auxiliary air chamber With the above-mentioned one-to-one secondary air outlet in auxiliary air hole.Intermediate channel with auxiliary air import is set, among this Channel is communicated with the auxiliary air chamber with secondary air outlet, and the secondary air outlet and auxiliary air hole one are a pair of It answers, after the auxiliary air entered in this way by auxiliary air import enters auxiliary air chamber, enters secondary sky from secondary air outlet Stomata, the auxiliary air part into auxiliary air hole by the way that auxiliary air hole enters secondary-air passage is that interior ring fire is mended Fill auxiliary air, another part along auxiliary air hole flow at the fire output hole of external ring fire cover and be outer ring fire burning supplement it is secondary Air, auxiliary air to realize internal ring fire and outer ring fire while, supplement.

Preferably, the length of the secondary air outlet circumferentially matches with above-mentioned auxiliary air hole.

Auxiliary air can be made more successfully to flow to auxiliary air hole, and can be in the secondary sky supplemented from auxiliary air hole It under the action of gas, smoothly shunts at the secondary air outlet, is supplemented while internal ring fire and outer ring fire is better achieved.

Preferably, the hole wall in the auxiliary air hole by the uniform necking in the inside side of outboard end, can increase from two in this way The mobility of the auxiliary air supplemented on the outside of secondary airport, so as to which the secondary sky provided by import by auxiliary air is better achieved Shunting of the gas at secondary air outlet.

Preferably, the intermediate channel matches with auxiliary air chamber, and the root edge of the side wall of the intermediate channel and two The apical margin of the cavity wall of secondary air chamber offsets up and down, so as to make to form certain enclosed area between intermediate channel and auxiliary air chamber Domain is conducive to enter auxiliary air chamber from the auxiliary air that auxiliary air import enters, and enters from secondary air outlet secondary Airport simultaneously branches to secondary-air passage, so as to preferably be that interior ring fire and outer ring fire supplement auxiliary air.

Preferably, the inner cavity of the casing is sealing space, the outlet air of above-mentioned heat dissipation wind channel is only capable of by above-mentioned secondary Air intlet is connected to external fluid；The bas burner further includes the primary air inlet duct being arranged in casing, should Primary air inlet duct includes the primary air entrance and case being opened on bottom case, and above-mentioned case is located at above-mentioned primary sky On gas entrance and seal the primary air entrance, the inner bottom surface of the case and bottom case surrounds installation space, above-mentioned ejector pipe into Gas end and nozzle are placed in the installation space.The outlet air of heat dissipation wind channel is only capable of exporting to the external world by auxiliary air import, The heat that electromagnetic stove component generates is enable farthest to be applied to, to the preheating of the auxiliary air of bas burner, avoid energy Source wastes, and greatly improves the thermal efficiency of bas burner, improves the overall performance of combination stove.

Preferably, at least partly case is opposite with the hot-blast outlet of above-mentioned radiator, the hot wind of such radiator It can partly be blown on case, to centainly be preheated to the primary air in case, can further promote bas burner Efficiency of combustion.

Compared with prior art, the utility model has the advantage of：Combination stove in the utility model is integrated with electromagnetic stove Component and bas burner, bas burner include the pedestal positioned at enclosure interior, be provided on the pedestal on burner The auxiliary air import that fire hole is in fluid communication, electromagnetic stove component include heat dissipation wind channel, the hot-blast outlet of the heat dissipation wind channel with this two Secondary air intlet is in fluid communication, and the hot wind in such heat dissipation wind channel enters in auxiliary air import, avoids outside hot wind blow-through kitchen range Portion and the heat dissipation performance of kitchen range is impacted, and the hot wind is replenished to burning as the auxiliary air of bas burner At the fire hole of device, the auxiliary air of preheating can effectively improve the thermal efficiency of burner.

Description of the drawings

Fig. 1 is the structural schematic diagram that stove is combined in the utility model embodiment；

Fig. 2 is the structural schematic diagram of the other direction of Fig. 1；

Fig. 3 is the partial structurtes exploded view that stove is combined in the utility model embodiment；

Fig. 4 is the partial structurtes exploded view of part A in Fig. 3；

Fig. 5 is the sectional view of part B in Fig. 4；

Fig. 6 is the partial structurtes exploded view of part B in Fig. 4；

Fig. 7 is the structural schematic diagram of gas burner in the utility model embodiment；

Fig. 8 is the structural schematic diagram of the other direction of Fig. 7；

Fig. 9 is the sectional view of gas burner in the utility model embodiment；

Figure 10 is the structural exploded view of gas burner in the utility model embodiment；

Figure 11 is the structural schematic diagram of the other direction of Figure 10；

Figure 12 is the structural schematic diagram of pedestal in the utility model embodiment；

Figure 13 is the sectional view of mixing chamber in the utility model embodiment.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing embodiment.

As shown in figs. 1-13, a kind of combination stove, including casing 10, electromagnetic stove component and bas burner 1, said machine casing 10 include panel 101 and bottom case 102, and above-mentioned electromagnetic stove component and bas burner 1 or so are set up in parallel in the present embodiment, i.e., should Combination stove is provided simultaneously with the function of electromagnetic stove and gas-cooker.

Above-mentioned electromagnetic stove component includes the heat dissipation wind channel 8 being arranged in the casing 10, which includes wind turbine 81 With radiator 82, above-mentioned bas burner 1 includes the gas burner being installed in the correspondence trepanning 101a of panel 101, the combustion Air burner includes the pedestal 100 being located in casing 10, offers on the pedestal 100 and connects with the fire hole fluid on gas burner Logical auxiliary air import 13, the auxiliary air import 13 and the hot-blast outlet 821a of above-mentioned heat dissipation wind channel 8 are in fluid communication.On It states the hot-blast outlet 821a of heat dissipation wind channel 8 and the auxiliary air import 13 is in fluid communication and can such as work as heat dissipation there are many implementation method When air duct 8 is closely arranged with gas burner, above-mentioned hot-blast outlet 821a is directly connected to auxiliary air import 13；Work as radiation air Road 8 and gas burner distance farther out when can pass through pipe or pipeline connection.In the present embodiment, the inner cavity of casing 10 forms confined air Between, therefore the hot wind of hot-blast outlet 821a blowouts is full of in the inner cavity of casing 10 and becomes the auxiliary air of gas burner only One source, therefore the hot wind of hot-blast outlet 821a blowouts is entered by auxiliary air import 13 inside gas burner.It dissipates in this way Hot wind in hot-flow flue 8 enters in auxiliary air import 13, avoids making the heat dissipation performance of kitchen range outside hot wind blow-through kitchen range It is replenished at the fire hole of gas burner, preheats at influence, and using the hot wind as the auxiliary air of bas burner 1 Auxiliary air can effectively improve the thermal efficiency of burner.

Further, gas burner further includes mixing chamber 2, external ring fire cover 4 and interior ring fire cover 3, mixing chamber 2, the outer shroud Fire cover 4 and interior ring fire cover 3 are respectively positioned on the top of above-mentioned panel 101, be connected in said base 100 ejector pipe 91 and with The mating nozzle 93 of ejector pipe 91, the nozzle 93 are connected with air inlet pipe 92.Preferably, the inner cavity of casing 10 is sealing space, on The outlet air for stating heat dissipation wind channel 8 is only connected to by above-mentioned auxiliary air import 13 with external fluid；The bas burner 1 further includes The primary air inlet duct 7 being arranged in casing 10, the primary air inlet duct 7 include one be opened on bottom case 102 Secondary air intake 102b and case 71, above-mentioned case 71 are located on above-mentioned primary air entrance 102b and seal the primary air The inner bottom surface of entrance 102b, the case 71 and bottom case 102 surrounds installation space, and the inlet end and nozzle 93 of above-mentioned ejector pipe 91 are equal It is placed in the installation space.The outlet air of heat dissipation wind channel 8 is only capable of exporting to outside kitchen range by auxiliary air import 13 so that electromagnetism The heat that stove component generates can farthest be applied to, to the preheating of the auxiliary air of bas burner 1, avoid energy waste, The thermal efficiency for greatly improving bas burner 1 improves the overall performance of combination stove.In the present embodiment, panel 101 and bottom case 102 junction is provided with sealing ring 103, so as to better assure that the leakproofness of 10 inner cavity of casing.In addition, at least partly covering The hot-blast outlet 821a (i.e. the hot-blast outlet 821a of heat dissipation wind channel 8) of shell 71 and above-mentioned radiator 82 relatively, such radiator 82 Hot wind can partly be blown on case 71, to centainly being preheated to the primary air in case 71, can further promote combustion The efficiency of combustion of gas kitchen component 1.

Air outlet, radiator 82 and the above-mentioned auxiliary air import 13 of above-mentioned wind turbine 81 are set gradually, and pass through wind turbine 81 Outlet air take away the heat of the absorption of radiator 82, and be blown at auxiliary air import 13 in the form of hot wind.In addition, electromagnetic stove Component further includes the wire coil component 5 being arranged in casing 10 and circuit board 6, which is arranged in the lower section of panel 101, It includes fixed plate 52 and drum 51, the drum 51 be mounted in the fixed plate 52 and positioned at panel 101 and fixed plate 52 it Between, foregoing circuit plate 6 is mounted on bottom case 102, and above-mentioned radiator 82 is mounted between above-mentioned fixed plate 52 and circuit board 6, and And the top of radiator 82 is close to the lower surface of above-mentioned fixed plate 52, and its bottom is at least sticked at least one in circuit board 6 On the electronic component that can be generated heat when a work.So as to make radiator 82 fully absorb the heat of electromagnetic stove component generation, a side Face can heat radiation air duct 8 heat dissipation effect, on the other hand can preferably to enter the auxiliary air of auxiliary air import 13 into Row preheating.In the present embodiment, mounting disc 61 is provided on bottom case 101, foregoing circuit plate 6 is mounted in the mounting disc 61, above-mentioned Radiator 82 is mounted on the side of circuit board 6, and wind turbine 81 is arranged on bottom case 102 and its air inlet and is opened on bottom case 102 Air inlet 102a connection.

Preferably, the radiator 82 is gilled radiator, top is formed with moves towards one with the outlet air of wind turbine 81 The heat dissipation straight slot 821 of cause, and the air outlet of the wind turbine 81 is directed at above-mentioned auxiliary air import 13, is conducive on radiator 82 Heat is oriented to auxiliary air import 13 along heat dissipation straight slot 821.In the present embodiment, radiate one end of straight slot 821 and going out for wind turbine 81 Air port is opposite, and for the other end towards above-mentioned auxiliary air import 13, which is above-mentioned hot-blast outlet 821a.

It is provided with inner ring channel 12 and outer ring channel 11 in said base 100, inner ring is provided on mixing chamber 2 and mixes air cavity 25 and outer shroud mix air cavity 24, the side of the mixing chamber 2 is circumferentially spaced to be equipped with auxiliary air hole 21, and above-mentioned inner ring mixes air cavity 25 The secondary-air passage 22 of the annular communicated with above-mentioned auxiliary air hole 21, the mixing chamber 2 are formed between mixing air cavity 24 with outer shroud It is arranged on pedestal 100, and inner ring is mixed air cavity 25 and communicated with inner ring channel 12, outer shroud mixes air cavity 24 and 11 phase of outer ring channel Logical, the above-mentioned setting of interior ring fire cover 3 is mixed in inner ring on air cavity 25, and the setting of external ring fire cover 4 is mixed in outer shroud on air cavity 24, interior ring fire cover It is provided with interior fire hole 31 on 3, outer fire hole 41 is provided on external ring fire cover 4, the interior fire hole 31 and outer fire hole 41 constitute fuel gas buring The fire hole of device.In the present embodiment, it is four that above-mentioned auxiliary air hole 21 and outer shroud, which mix air cavity 24, and spaced is all provided with.

Further, the intermediate channel 15 of annular is additionally provided in said base 100, which is arranged above-mentioned interior Above-mentioned auxiliary air import 13 is offered between ring channel 12 and outer ring channel 11, and on the bottom wall of the intermediate channel 15, it is above-mentioned The bottom of mixing chamber 2 is provided with the auxiliary air chamber 23 communicated with the intermediate channel 15, is opened on the side wall of the auxiliary air chamber 23 Equipped with 21 one-to-one secondary air outlet 231 of above-mentioned auxiliary air hole.Setting has auxiliary air import 13 in this way Intermediate channel 15, which communicates with the auxiliary air chamber 23 with secondary air outlet 231, and the secondary sky Gas outlet 231 is corresponded with auxiliary air hole 21, enters secondary sky by the auxiliary air that auxiliary air import 13 enters in this way After air cavity 23, enter auxiliary air hole 21 from secondary air outlet 231, the auxiliary air part into auxiliary air hole 21 is logical It crosses auxiliary air hole 21 to enter secondary-air passage 22 and be interior ring fire supplement auxiliary air, another part is along auxiliary air hole 21 The burning supplement auxiliary air of outer ring fire is flow at the fire output hole of external ring fire cover 4 and is, to realize internal ring fire and outer shroud It is supplemented while the auxiliary air of fire.

Specifically, in the present embodiment, the length of secondary air outlet 231 circumferentially and above-mentioned auxiliary air hole 21 are circumferentially Length it is isometric, auxiliary air can be made more successfully to flow to auxiliary air hole 21, and can be supplemented from auxiliary air hole 21 Auxiliary air under the action of, smoothly shunted at the secondary air outlet 231, internal ring fire and outer ring fire be better achieved It is supplemented while auxiliary air.In addition, the hole wall in auxiliary air hole 21 by the uniform necking in the inside side of outboard end, can increase in this way The mobility of the auxiliary air supplemented from 21 outside of auxiliary air hole, is supplemented so as to be better achieved by auxiliary air import 13 Shunting of the auxiliary air at secondary air outlet 231.

Further, intermediate channel 15 matches with auxiliary air chamber 23, and the root edge of the side wall of the intermediate channel 15 and two The apical margin of the cavity wall of secondary air chamber 23 offsets up and down, so as to make to be formed centainly between intermediate channel 15 and auxiliary air chamber 23 Closed area is conducive to enter auxiliary air chamber 23 from the auxiliary air that auxiliary air import 13 enters, and goes out from auxiliary air Mouth 231 enters auxiliary air hole 21 and branches to secondary-air passage 22, so as to preferably be that interior ring fire and outer ring fire supplement Auxiliary air.

Claims (10)

1. a kind of combination stove, including casing (10), electromagnetic stove component and bas burner (1), said machine casing (10) includes panel (101) and bottom case (102), above-mentioned electromagnetic stove component include the heat dissipation wind channel (8) being arranged in the casing (10), above-mentioned gas-cooker Component (1) includes the gas burner being installed in the correspondence trepanning (101a) of panel (101), which is characterized in that the combustion gas Burner includes the pedestal (100) being located in casing (10), is offered and the fire hole stream on gas burner on the pedestal (100) The auxiliary air import (13) of body connection, the hot-blast outlet (821a) of the auxiliary air import (13) and above-mentioned heat dissipation wind channel (8) It is in fluid communication.

2. combination stove as described in claim 1, which is characterized in that the heat dissipation wind channel (8) includes wind turbine (81) and radiator (82), the air outlet of the wind turbine (81), radiator (82) and above-mentioned auxiliary air import (13) are set gradually.

3. combination stove as claimed in claim 2, which is characterized in that the electromagnetic stove component further includes being arranged in casing (10) Wire coil component (5) and circuit board (6), the wire coil component (5) be arranged panel (101) lower section comprising fixed plate (52) With drum (51), which is mounted in the fixed plate (52) and between panel (101) and fixed plate (52), above-mentioned Circuit board (6) is mounted on bottom case (102), and above-mentioned radiator (82) is mounted between above-mentioned fixed plate (52) and circuit board (6), And the top of radiator (82) is close to the lower surface of above-mentioned fixed plate (52), and its bottom is at least sticked in circuit board (6) In at least one work when the electronic component that can generate heat on.

4. combination stove as claimed in claim 2, which is characterized in that the radiator (82) is gilled radiator, top It is formed with and moves towards consistent heat dissipation straight slot (821) with the outlet air of wind turbine (81), and the air outlet of the wind turbine (81) is directed at above-mentioned two Secondary air intlet (13).

5. combination stove as claimed in claim 2, which is characterized in that the gas burner further includes mixing chamber (2), outer ring fire Lid (4) and interior ring fire cover (3), the mixing chamber (2), external ring fire cover (4) and interior ring fire cover (3) are respectively positioned on above-mentioned panel (101) top is connected with ejector pipe (91) and the nozzle (93) mating with ejector pipe (91) in said base (100)；

It is provided with inner ring channel (12) and outer ring channel (11) in said base (100), inner ring is provided on mixing chamber (2) and mixes gas Chamber (25) and outer shroud mix air cavity (24), and the side of the mixing chamber (2) is circumferentially spaced to be equipped with auxiliary air hole (21), and above-mentioned interior Ring mixes the auxiliary air that the annular communicated with above-mentioned auxiliary air hole (21) is formed between air cavity (25) mixes air cavity (24) with outer shroud Channel (22), the mixing chamber (2) are arranged on pedestal (100), and inner ring is mixed air cavity (25) and communicated with inner ring channel (12), and Outer shroud mixes air cavity (24) and is communicated with outer ring channel (11), and above-mentioned interior ring fire cover (3) setting is mixed in inner ring on air cavity (25), and outer shroud Fire cover (4) setting is mixed in outer shroud on air cavity (24),

The intermediate channel (15) of annular is additionally provided on the pedestal (100), the intermediate channel (15) setting is logical in above-mentioned inner ring Between road (12) and outer ring channel (11), and auxiliary air import (13) is offered on the bottom wall of the intermediate channel (15), it is above-mentioned The bottom of mixing chamber (2) is provided with the auxiliary air chamber (23) communicated with the intermediate channel (15), the auxiliary air chamber (23) It is offered on side wall and the one-to-one secondary air outlet (231) of above-mentioned auxiliary air hole (21).

6. as claimed in claim 5 combination stove, which is characterized in that the length of the secondary air outlet (231) circumferentially with Above-mentioned auxiliary air hole (21) matches.

7. combination stove as claimed in claim 6, which is characterized in that the hole wall of the auxiliary air hole (21) is inside by outboard end The uniform necking in side.

8. combination stove as claimed in claim 5, which is characterized in that the intermediate channel (15) and auxiliary air chamber (23) phase Match, and the root edge of the side wall of the intermediate channel (15) and the apical margin of the cavity wall of auxiliary air chamber (23) offset up and down.

9. combination stove as claimed in claim 5, which is characterized in that the inner cavity of the casing (10) is sealing space, above-mentioned to dissipate The outlet air of hot-flow flue (8) is only capable of being connected to external fluid by above-mentioned auxiliary air import (13)；

The bas burner (1) further includes that primary air inlet duct (7) in casing (10) is arranged, the primary air into Device of air (7) includes the primary air entrance (102b) and case (71) being opened on bottom case (102), and above-mentioned case (71) is provide with On above-mentioned primary air entrance (102b) and seal the primary air entrance (102b), the case (71) and bottom case (102) Inner bottom surface surrounds installation space, and the inlet end and nozzle (93) of above-mentioned ejector pipe (91) are placed in the installation space.

10. as claimed in claim 9 combination stove, which is characterized in that the case (71) at least partly with above-mentioned radiator (82) hot-blast outlet (821a) is opposite.