CN220852221U - Blowing type full-premix gas stove - Google Patents
Blowing type full-premix gas stove Download PDFInfo
- Publication number
- CN220852221U CN220852221U CN202322425067.7U CN202322425067U CN220852221U CN 220852221 U CN220852221 U CN 220852221U CN 202322425067 U CN202322425067 U CN 202322425067U CN 220852221 U CN220852221 U CN 220852221U
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- injection pipe
- air
- inlet pipe
- gas stove
- pipe
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- 238000007664 blowing Methods 0.000 title claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 74
- 239000007924 injection Substances 0.000 claims abstract description 74
- 238000002485 combustion reaction Methods 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000007789 gas Substances 0.000 abstract description 88
- 239000002737 fuel gas Substances 0.000 abstract description 6
- 239000002341 toxic gas Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 description 12
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 101150006573 PAN1 gene Proteins 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Regulation And Control Of Combustion (AREA)
Abstract
The utility model provides a blowing type full-premix gas stove, which comprises a gas stove bottom shell, a combustion assembly, an air inlet pipe, a blower, an injection pipe, a detection device and a controller, wherein the air inlet pipe is arranged on the bottom shell; the gas stove is characterized in that at least one combustion assembly is arranged on the bottom shell of the gas stove, the combustion assembly is connected with the air blower through an injection pipe, the injection pipe is connected with the gas valve through an air inlet pipe, detection devices are arranged in the injection pipe and on the air inlet pipe, and the air blower and the velocimeter are connected with the controller. According to the utility model, the detection devices are arranged on the air inlet pipe and in the injection pipe, the air flow speed in the pipe is detected by the detection devices, and the rotating speed of the air blower is controlled by the controller, so that the mixed air quantity is controlled, the fuel gas can be effectively and fully combusted, the thermal efficiency is improved, the phenomena of fire loss, flameout, air leakage and the like are effectively avoided, the generation of toxic gas is effectively reduced, the structure is simple, and the installation and the maintenance are convenient.
Description
Technical Field
The utility model relates to the technical field of household kitchen ware, in particular to a blast type full-premix gas stove.
Background
Compared with the combustion of a common atmospheric burner, the full premix burner has the characteristics of full combustion, high flame temperature, high heat efficiency, less harmful emissions and the like. Because the two kinds of burners are different in combustion modes, the required primary air coefficient is also different, the atmospheric burner is used for carrying out semi-premixing by taking in a part of air (namely primary air) by gas power, and after the premix comes out from the fire hole, taking in a part of air (namely secondary air) again, so that the effect of full combustion is achieved. The full premix combustion can premix all air required by the complete combustion provided by the blower, and secondary air is not required. In the using process of a common full premix burner, the rotating speed of a blower is generally controlled, the small fire is the small rotating speed, and the big fire is the big rotating speed.
However, it is difficult to accurately control the air quantity mixed in the premixing of the common gas cooker, so that the conditions of fire removal, flameout, air leakage, low flame temperature and low thermal efficiency can occur when the air quantity is too large, and the combustion is insufficient when the air quantity is too small, so that the toxic gas is generated too much, and the body health is damaged.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model aims to provide a blowing type full-premix gas stove so as to effectively solve the problems.
The technical scheme adopted for solving the technical problems is as follows:
The blast type full-premix gas stove comprises a gas stove bottom shell, a combustion assembly, an air inlet pipe, a blast blower, an injection pipe, a detection device and a controller; the gas stove is characterized in that at least one combustion assembly is arranged on the bottom shell of the gas stove, the combustion assembly is connected with the air blower through an injection pipe, the injection pipe is connected with the gas valve through an air inlet pipe, detection devices are arranged in the injection pipe and on the air inlet pipe, and the air blower and the velocimeter are connected with the controller.
As a further improvement of the utility model: the combustion assembly comprises a combustor and a pot support, wherein the combustor is arranged in the middle of the pot support, and a pot-sitting detection thimble is arranged on the combustor.
As a further improvement of the utility model: an energy collecting disc is arranged in the pot support.
As a further improvement of the utility model: the burner comprises a burner head, a fire cover and a base; the fire cover is arranged above the base, and the furnace end is arranged at the center of the fire cover.
As a further improvement of the utility model: the air blower is provided with two, and combustion assembly is connected with one of them air blower through the inner ring injection pipe, combustion assembly is connected with another air blower through the outer loop injection pipe, all be provided with detection device in the inner ring injection pipe and the outer loop injection pipe.
As a further improvement of the utility model: the inner ring injection pipe and the outer ring injection pipe are arranged on the same horizontal plane, and the inner ring injection pipe and the outer ring injection pipe are arranged in a mirror symmetry mode.
As a further improvement of the utility model: the gas inlet pipe comprises an inner ring gas inlet pipe and an outer ring gas inlet pipe, one end of the inner ring gas inlet pipe is connected with an inner ring injection pipe, the other end of the inner ring gas inlet pipe is connected with a gas valve, one end of the outer ring gas inlet pipe is connected with the outer ring injection pipe, and the other end of the outer ring gas inlet pipe is connected with the outer ring injection pipe.
As a further improvement of the utility model: the detection device is a velocimeter.
As a further improvement of the utility model: the velocimeter arranged in the injection pipe is a digital velocimeter, and the velocimeter arranged in the air inlet pipe is a hot wire velocimeter.
As a further improvement of the utility model: an impeller structure is arranged in the detection device.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the detection devices are arranged on the air inlet pipe and in the injection pipe, the air flow speed in the pipe is detected by the detection devices, and the rotating speed of the air blower is controlled by the controller, so that the mixed air quantity is controlled, the fuel gas can be effectively and fully combusted, the thermal efficiency is improved, the phenomena of fire loss, flameout, air leakage and the like are effectively avoided, the generation of toxic gas is effectively reduced, the structure is simple, and the installation and the maintenance are convenient.
Drawings
Fig. 1 is a general structural diagram of the present utility model.
Fig. 2 is a schematic view of a part of the structure of the present utility model.
Fig. 3 is a schematic view of the structure of the housing of the present utility model.
FIG. 4 is a schematic cross-sectional view of a combustion assembly according to the present utility model.
Fig. 5 is a schematic view of the impeller structure of the present utility model.
Reference numerals illustrate: 1-a bottom shell of the gas stove; 2-combustion assembly; 3-an air inlet pipe; 4-a blower; 5-an ejector tube; 6-a detection device; 7-a controller; 21-a burner; 22-pot support; 221-energy collecting disc; 211-burner; 212-fire cover; 213-a base; 8-cover plate; 81-through holes; 9-a knob; 51-an inner ring injection pipe; 52-an outer ring injection pipe; 31-an inner ring air inlet pipe; 32-an outer ring air inlet pipe; 10-a gas valve; 61-impeller structure; 10-gas valve.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings and examples:
Embodiment one:
The embodiment provides a blast type full premix gas stove as shown in fig. 1, which comprises a gas stove bottom shell 1, a combustion assembly 2, an air inlet pipe 3, a blast blower 4, an ejector pipe 5, a detection device 6 and a controller 7; be provided with at least one combustion module 2 on the gas-cooker drain pan 1, combustion module 2 is connected with air-blower 4 through penetrating pipe 5, penetrating pipe 5 is connected with gas valve 10 through intake pipe 3, all be provided with detection device 6 in penetrating pipe 5 and on intake pipe 3, air-blower 4, tachometer all are connected with controller 7.
In the present embodiment, the gas range bottom case 1 is used for mounting other devices inside; the combustion assembly 2 is used for mixing the fuel gas and then burning; the air inlet pipe 3 is used for inputting fuel gas into the injection pipe 5; the blower 4 is used for driving air to be input into the injection pipe 5; the detection device 6 is used for detecting the air flow speed in the pipe and then works together with the controller 7; the controller 7 is configured to receive a signal from the detecting device 6, perform calculation and analysis based on a detection result according to a preset control logic, and further control the rotational speed of the blower 4.
In this embodiment, the workflow is: the gas valve 10 is opened, the gas stove starts to work, gas enters the channel in the injection pipe 5 from the gas inlet pipe 3, the detection device 6 arranged in the gas inlet pipe 3 senses the flow rate of the gas in the gas inlet pipe 3 in real time and feeds back to the controller 7, logic is arranged in the controller 7 to calculate the gas flow rate, meanwhile, the gas entering the channel of the injection pipe 5 is mixed with air provided by the air blower 4 to form a gas and air mixture, the detection device 6 arranged in the injection pipe 5 detects the flow rate of the mixture in real time and feeds back to the controller 7, the controller 7 calculates the flow rate of the mixture, judges whether the flow rate is matched with the gas flow rate, and if the flow rate is not matched with the gas flow rate, the rotating speed of the air blower 4 is adjusted, so that the air supplementing quantity is adjusted, the gas stove works according to the air coefficient required by full premixing, the flow rate matching can be built in different calculation formulas and judging conditions according to different gas components, and the flow rate matching can reach the full premixing combustion state.
Embodiment two:
The embodiment provides a blast type full premix gas stove as shown in the accompanying drawings 1-4, wherein the blast type full premix gas stove comprises a gas stove bottom shell 1, a combustion assembly 2, an air inlet pipe 3, a blast fan 4, an injection pipe 5, a detection device 6 and a controller 7; be provided with at least one combustion module 2 on the gas-cooker drain pan 1, combustion module 2 is connected with air-blower 4 through penetrating pipe 5, penetrating pipe 5 is connected with gas valve 10 through intake pipe 3, all be provided with detection device 6 in penetrating pipe 5 and on intake pipe 3, air-blower 4, tachometer all are connected with controller 7.
In this embodiment, based on the first embodiment, the structure of the combustion assembly 2 will be further described in detail, as shown in fig. 4, the combustion assembly 2 includes a burner 21 and a pan support 22, the burner 21 is disposed in the middle of the pan support 22, and a pan-sitting detecting thimble is disposed on the burner 21. Wherein, the burner 21 is internally provided with a combustion reaction chamber for the gas which is primarily mixed in the injection pipe 5 to enter a fully-finished combustion reaction; the pot support 22 is used for fixing the burner 21 and placing the pot.
Further, an energy collecting disc 221 is disposed in the pot support 22. The inner ring of the energy collecting disc 221 can be tightly matched with the burner 21 without leaving a gap, so that heat dissipation is prevented, combustion heat is prevented from being carried away when the burner 21 supplements secondary air, and heat efficiency is reduced.
Further describing the structure of the burner 21 in this embodiment in further detail, as shown in fig. 2, the burner 21 includes a burner head 211, a fire cover 212, and a base 213; a fire cover 212 is arranged above the base 213, and a furnace end 211 is arranged in the center of the fire cover 212. Wherein, the burner 211 plays a role of evenly distributing fuel gas; the fire cover 212 is used for supporting flame combustion; the base 213 houses a combustion reaction chamber to assist in the full reaction of combustion.
Further, a cover plate 8 is further provided on the bottom case 1 of the gas stove, and a through hole 81 corresponding to the combustion assembly 2 is provided on the cover plate 8. The through hole 81 is matched with the burner 21 and the pot bracket 22. The cover plate 8 is also provided with a knob 9 for opening, closing and adjusting the flame.
Embodiment III:
The embodiment provides a blast type full premix gas stove as shown in the accompanying drawings 1-5, wherein the blast type full premix gas stove comprises a gas stove bottom shell 1, a combustion assembly 2, an air inlet pipe 3, a blast fan 4, an injection pipe 5, a detection device 6 and a controller 7; be provided with at least one combustion module 2 on the gas-cooker drain pan 1, combustion module 2 is connected with air-blower 4 through penetrating pipe 5, penetrating pipe 5 is connected with gas valve 10 through intake pipe 3, all be provided with detection device 6 in penetrating pipe 5 and on intake pipe 3, air-blower 4, tachometer all are connected with controller 7.
In the gas stove of this embodiment, two combustion assemblies 2 are symmetrically disposed, and one of the combustion assemblies 2 is used as an example, as shown in fig. 1, two blowers 4 are disposed, the combustion assemblies 2 are connected with one of the blowers 4 through an inner ring injection pipe 51, the combustion assemblies 2 are connected with the other blower 4 through an outer ring injection pipe 52, and detection devices 6 are disposed in the inner ring injection pipe 51 and the outer ring injection pipe 52. Therefore, air can be introduced through the two blowers 4, and the efficiency of introducing air can be improved.
Preferably, the inner ring injection pipe 51 and the outer ring injection pipe 52 are arranged on the same horizontal plane, and the inner ring injection pipe 51 and the outer ring injection pipe 52 are arranged in a mirror symmetry mode.
Further, as shown in fig. 2, the air inlet pipe 3 includes an inner ring air inlet pipe 31 and an outer ring air inlet pipe 32, one end of the inner ring air inlet pipe 31 is connected with an inner ring injection pipe 51, the other end of the inner ring air inlet pipe 31 is connected with the gas valve 10, one end of the outer ring air inlet pipe 32 is connected with an outer ring injection pipe 52, and the other end of the outer ring air inlet pipe 32 is connected with the outer ring injection pipe 52. In this way, the gas supply is performed to each injection pipe 5, so that the gas inlet efficiency is improved, and the combustion reaction efficiency is improved.
Preferably, an impeller structure 61 may be provided within the detection device 6 to increase the gas flow rate.
Embodiment four:
The embodiment provides a blast type full premix gas stove as shown in the accompanying drawings 1-5, wherein the blast type full premix gas stove comprises a gas stove bottom shell 1, a combustion assembly 2, an air inlet pipe 3, a blast fan 4, an injection pipe 5, a detection device 6 and a controller 7; be provided with at least one combustion module 2 on the gas-cooker drain pan 1, combustion module 2 is connected with air-blower 4 through penetrating pipe 5, penetrating pipe 5 is connected with gas valve 10 through intake pipe 3, all be provided with detection device 6 in penetrating pipe 5 and on intake pipe 3, air-blower 4, tachometer all are connected with controller 7.
In the gas stove of this embodiment, two combustion assemblies 2 are symmetrically disposed, and one of the combustion assemblies 2 is used as an example, as shown in fig. 2, two blowers 4 are disposed, the combustion assemblies 2 are connected with one of the blowers 4 through an inner ring injection pipe 51, the combustion assemblies 2 are connected with the other blower 4 through an outer ring injection pipe 52, and detection devices 6 are disposed in the inner ring injection pipe 51 and the outer ring injection pipe 52. Therefore, air can be introduced through the two blowers 4, and the efficiency of introducing air can be improved.
Further, as shown in fig. 2, the air inlet pipe 3 includes an inner ring air inlet pipe 31 and an outer ring air inlet pipe 32, one end of the inner ring air inlet pipe 31 is connected with an inner ring injection pipe 51, the other end of the inner ring air inlet pipe 31 is connected with the gas valve 10, one end of the outer ring air inlet pipe 32 is connected with an outer ring injection pipe 52, and the other end of the outer ring air inlet pipe 32 is connected with the outer ring injection pipe 52.
Preferably, in this embodiment, the detecting device 6 is a velocimeter.
Preferably, in order to adapt to the requirements of different detection environments in the air inlet pipe 3 and the injection pipe 5, the velocimeter arranged in the injection pipe 5 is a digital velocimeter, and the velocimeter arranged in the air inlet pipe 3 is a hot wire velocimeter.
Further, as shown in fig. 5, the digital velocimeter is further provided with an impeller structure 61, and the impeller structure 61 rotates during working, so that the premixing speed of the gas-air mixed gas can be accelerated, the effect of uniform mixing can be achieved in a shorter mixing channel, and the best combustion state can be achieved while the structure and the space are saved.
Fifth embodiment:
The present embodiment provides a control method for a gas stove, which is applied to the blast type full premix gas stove described in any one of the first to fourth embodiments, and further includes a detecting device 6 for detecting a gas flow rate and an air flow rate, sending the detected gas flow rate and the detected air flow rate to a controller 7 for calculation and analysis, obtaining a flow value according to a flow calculation formula, where the formula is flow=speed x cross-sectional area, performing theoretical calculation according to a chip built in the controller 7, where the theoretical calculation formula is shown in fig. 3, comparing the theoretically calculated flow value with the detected and calculated flow value, and adjusting the rotation speed of the blower 4 according to the comparison result.
Taking methane as an example, as shown in fig. 3, the formula can know that 9.52 moles of air is needed for complete combustion of 1 mole of methane (i.e. 9.52m 3 is needed for complete combustion of 1m 3 of methane), so when the gas flow is 1m 3, the flow of the gas-air mixture should be (1+9.52=10.52) m 3, i.e. the flow of the gas-air mixture is 10.52 times that of the gas (here, the ideal state that the theoretical air coefficient is α=1, and the actual air coefficient can be adjusted according to the actual conditions of different combustors 21).
The specific working flow is as follows:
The gas valve 10 is opened, the gas stove starts to work, the gas enters the outer ring injection pipe 52 and the inner ring injection pipe 51 from the outer ring gas inlet pipe 32 and the inner ring gas inlet pipe 31 respectively, the head of the hot wire tester senses the gas flow rate in the outer ring gas inlet pipe 32 and the inner ring gas inlet pipe 31 in real time, and then feeds back to the controller 7, the controller 7 calculates the gas flow rate according to a flow formula, meanwhile, the gas entering the outer ring injection pipe 52 and the inner ring injection pipe 51 is mixed with air provided by the air blower 4 to form a gas-air mixture, the flow rate of the mixture is detected in real time by the digital tester and fed back to the controller 7, the flow rate of the mixture is calculated by the controller 7, whether the flow rate is matched with the gas flow rate is judged, and if the flow rate is not matched with the gas flow rate, the rotating speed of the air blower 4 is adjusted, so that the air supplementing is adjusted, and the full premix combustion state is achieved according to the air coefficient required by full premix. The flow matching can be built in different calculation formulas and judgment conditions according to different fuel gas components.
The main functions of the utility model are as follows: be applied to among the structure of all kinds of gas-cooker, detect inside gas velocity of flow through setting up detection device in gas and air pipeline, adjust the rotational speed of air-blower according to the testing result through the controller, and then can guarantee the mixed proportion of gas and air, improve the effect that the gas fully burns.
In view of the above, after reading the present document, those skilled in the art should make various other corresponding changes without creative mental effort according to the technical scheme and the technical conception of the present utility model, which are all within the scope of the present utility model.
Claims (9)
1. The blast type full-premix gas stove is characterized by comprising a gas stove bottom shell, a combustion assembly, an air inlet pipe, a blast blower, an injection pipe, a detection device and a controller; the gas stove is characterized in that at least one combustion assembly is arranged on the bottom shell of the gas stove and connected with the air blower through the injection pipe, the injection pipe is connected with the gas valve through the gas inlet pipe, detection devices are arranged in the injection pipe and on the gas inlet pipe, the detection devices are velocimeters, and the air blower and the velocimeters are connected with the controller.
2. The air-blast full-premix gas stove according to claim 1, wherein the combustion assembly comprises a burner and a pot support, the burner is arranged in the middle of the pot support, and a pot-sitting detection thimble is arranged on the burner.
3. The blowing full premix gas cooker as recited in claim 2, wherein an energy collecting disc is disposed in the cooker support.
4. The air-blast full-premix gas stove as recited in claim 2, wherein the burner comprises a burner head, a fire cover and a base; the fire cover is arranged above the base, and the furnace end is arranged at the center of the fire cover.
5. The blowing type full-premix gas stove according to claim 1, wherein two blowers are arranged, the combustion assembly is connected with one of the blowers through an inner ring injection pipe, the combustion assembly is connected with the other blower through an outer ring injection pipe, and detection devices are arranged in the inner ring injection pipe and the outer ring injection pipe.
6. The blast type full premix gas stove according to claim 5, wherein the inner ring injection pipe and the outer ring injection pipe are arranged on the same horizontal plane, and the inner ring injection pipe and the outer ring injection pipe are arranged in mirror symmetry.
7. The air-blast full-premix gas stove according to claim 5, wherein the air inlet pipe comprises an inner ring air inlet pipe and an outer ring air inlet pipe, one end of the inner ring air inlet pipe is connected with the inner ring injection pipe, the other end of the inner ring air inlet pipe is connected with the gas valve, one end of the outer ring air inlet pipe is connected with the outer ring injection pipe, and the other end of the outer ring air inlet pipe is connected with the outer ring injection pipe.
8. The air-blast full-premix gas stove according to claim 1, wherein the velocimeter arranged in the injection pipe is a digital velocimeter, and the velocimeter arranged in the air inlet pipe is a hot wire velocimeter.
9. The air-blast full-premix gas stove according to claim 1, wherein an impeller structure is arranged in the detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322425067.7U CN220852221U (en) | 2023-09-07 | 2023-09-07 | Blowing type full-premix gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322425067.7U CN220852221U (en) | 2023-09-07 | 2023-09-07 | Blowing type full-premix gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220852221U true CN220852221U (en) | 2024-04-26 |
Family
ID=90776579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322425067.7U Active CN220852221U (en) | 2023-09-07 | 2023-09-07 | Blowing type full-premix gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220852221U (en) |
-
2023
- 2023-09-07 CN CN202322425067.7U patent/CN220852221U/en active Active
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