A single channel burner

Abstract

The present invention discloses a single-channel burner, which belongs to the technical field of hot air balloons. The burner includes a seat body, on which a first connecting piece connected to a fuel supply assembly is provided, and the first connecting piece is respectively connected to a combustion disk and a pilot flame assembly; the ignition port of the pilot flame assembly is arranged toward the fuel outlet of the combustion disk, and the pilot flame assembly includes a vaporization assembly and an air inlet that are interconnected, and the air inlet is connected to the first connecting piece, and the vaporization assembly is used to vaporize the liquid fuel entering the air inlet and spray it out from the ignition port to form an ignition source, so as to ignite the liquid fuel on the combustion disk and provide kinetic energy for the hot air balloon. The single-channel burner in the present application converts the liquid fuel originally in the fuel supply assembly into a gaseous state through the vaporization assembly, so that the pilot flame assembly does not need to carry an additional gaseous fuel supply assembly, reduces the pipeline design of the pilot flame assembly, reduces the overall mass of the hot air balloon, and improves the load capacity of the hot air balloon.

Description

Technical Field

[0001] The invention belongs to the technical field of hot air balloons, and in particular relates to a single-channel burner. Background Art

[0002] A hot air balloon is a balloon that uses hot air as a buoyancy gas. There is a burner at the bottom of the balloon for heating the cold air. The air in the balloon becomes less dense after being heated, forming a pressure difference between the inside and outside, so the balloon rises. When it is launched from the ground, the burner is ignited to heat the cold air inside the balloon. After it is launched, the flame of the burner is controlled to control the rise or fall of the balloon. Nowadays, hot air balloon flying has become a popular aviation sport. At the same time, hot air balloons can also be used for aerial photography and aviation tourism.

[0003] To date, the main components of a hot air balloon are still the balloon, gas cylinder, burner and basket. As the only power-providing device in the entire assembly, the burner is a core component of the hot air balloon. Current burners usually use high- and low-pressure dual pipelines, where the high-pressure pipeline is used to provide liquid fuel to provide high-pressure fire fuel for the hot air balloon, and the low-pressure pipeline is used to provide gaseous fuel to provide long-lasting flame fuel for the hot air balloon. Each burner has a total of four pipelines, which greatly increases the weight of the burner. The multi-channel structure is complex, the operation is cumbersome, and the layout of the pipelines is relatively chaotic, which seriously limits the pilot's space for movement. Summary of the invention

[0004] In view of one or more of the above defects or improvement requirements of the prior art, the present invention provides a single-channel burner to solve the problem that the existing burner pipeline is complex and heavy.

[0005] To achieve the above-mentioned object, the present invention provides a single-channel burner for burning liquid fuel supplied by a fuel supply assembly, comprising a seat body, a first connecting piece connected to the fuel supply assembly is provided on the seat body, the first connecting piece is respectively connected to a combustion disk and a pilot flame assembly, and an ignition port of the pilot flame assembly is arranged toward a fuel outlet of the combustion disk;

[0006] The pilot flame assembly includes a vaporization assembly and an air inlet which are connected to each other. The air inlet is connected to the first connecting member. The vaporization assembly is used to vaporize the liquid fuel entering the air inlet and spray it out from the ignition port to form an ignition source.

[0007] As a further improvement of the present invention, the pilot flame assembly further includes an adjusting assembly, which is arranged corresponding to the air inlet and is used to adjust the amount of fuel entering the vaporization assembly.

[0008] As a further improvement of the present invention, the adjusting assembly includes a rotating body arranged in a disc shape, a valve stem is meshedly arranged at the center of the rotating body, one end of the valve stem is arranged toward the air inlet; the rotating body and the valve stem form a screw structure, and the vertical lifting and lowering of the valve stem can be achieved through the horizontal rotation of the rotating body.

[0009] As a further improvement of the present invention, the adjustment assembly further includes a transversely arranged adjustment handle, the adjustment handle is passed through the seat body, and one end of the adjustment handle is fixedly connected to the rotating body to drive the rotating body to rotate outside the seat body.

[0010] As a further improvement of the present invention, an elastic diaphragm is provided at one end of the valve stem facing the air inlet, and the elastic diaphragm abuts against the air inlet.

[0011] As a further improvement of the present invention, a filter element is further provided in the vaporization assembly.

[0012] As a further improvement of the present invention, a serpentine tube is connected between the first connecting member and the combustion disk. The serpentine tube is spirally arranged, and the connecting end of the serpentine tube and the fuel supply assembly is located above the connecting end of the serpentine tube and the combustion disk.

[0013] As a further improvement of the present invention, the ignition port of the pilot flame assembly is tubular, an electronic ignition structure is provided at the ignition port, and a plurality of flame spraying holes for flame spraying are opened on the tubular structure.

[0014] As a further improvement of the present invention, it also includes a spare ignition component, the ignition port of the spare ignition component is arranged toward the combustion disk, and the spare ignition component is equipped with an independent fuel supply source.

[0015] As a further improvement of the present invention, a siphon assembly is further provided on the combustion disk, and the siphon assembly includes a siphon tube, one end of the siphon tube is arranged toward the combustion disk, and the other end thereof is connected to the outside of the combustion disk.

[0016] The above-mentioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0017] In general, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

[0018] (1) The single-channel burner of the present invention is provided with a fuel supply assembly for supplying liquid fuel, and the fuel supply assembly is connected to the combustion disk and the pilot flame assembly respectively. The liquid fuel is vaporized and ignited by the vaporization assembly on the pilot flame assembly, and then the liquid fuel on the combustion disk is ignited by the pilot flame assembly, so as to realize stable flame spraying of the burner to ensure the stable operation of the hot air balloon. Compared with conventional burners, the single-channel burner omits a fuel supply assembly specifically for supplying the pilot flame, which greatly reduces the overall weight of the hot air balloon, reduces the load of the hot air balloon, saves the space occupied by the burner, and increases the carrying space of the hot air balloon.

[0019] (2) The single-channel burner of the present invention provides an adjustment component on the pilot flame component and utilizes a screw transmission structure to move the valve stem closer to or farther from the air inlet, thereby adjusting the liquid fuel entering the vaporization component, making it easier for the liquid fuel to be vaporized in the vaporization component and for the pilot flame component to ignite the gaseous fuel.

[0020] (3) The single-channel burner of the present invention has a filter element structure arranged in the vaporization component. On the one hand, it can remove impurities in the liquid fuel to ensure that the long-fire component can be ignited continuously and stably; at the same time, the filter element can buffer the liquid fuel after vaporization, so that the gaseous fuel can be supplied slowly, avoiding gas waste caused by excessive gas flow rate and facilitating gas ignition.

[0021] (4) The single-channel burner of the present invention has a plurality of flame ejection holes at the ignition port of the pilot flame assembly for ejecting flames, so that the flame emitted by the pilot flame assembly is distributed in a scattered manner, which can fully ignite the liquid fuel on the combustion disk and ensure the stable operation of the burner.

[0022] (5) The single-channel burner of the present invention is provided with a backup ignition component and has an independent fuel supply source. When the pilot flame component fails, the ignition source is stably supplied, thereby ensuring the stable combustion of the liquid fuel on the combustion disk and the stable operation of the hot air balloon. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 1 is a schematic diagram of the overall structure of a single-channel burner in an embodiment of the present invention;

[0024] Figure 2 2 is a schematic diagram of the structure of the pilot flame assembly in an embodiment of the present invention;

[0025] Figure 3 yes Figure 2 A magnified schematic diagram of center A.

[0026] In all the drawings, the same reference numerals represent the same technical features, specifically:

[0027] 1. seat body; 2. first connecting piece; 3. connecting port; 4. combustion plate; 5. pilot flame assembly; 6. serpentine tube; 7. siphon assembly;

[0028] 501, vaporization assembly; 502, air inlet; 503, rotating body; 504, valve stem; 505, adjustment handle; 506, elastic diaphragm. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0034] Example:

[0035] See also Figures 1 to 3 The single-channel burner in the preferred embodiment of the present invention is used to stably burn the liquid fuel of the fuel supply assembly, and includes a seat body 1, on which is provided a first connecting member 2 connected to the fuel supply assembly, and the first connecting member 2 is respectively connected to a combustion disk 4 and a pilot flame assembly 5. The pilot flame assembly 5 is used to provide an ignition source, and its ignition port is arranged toward the fuel outlet of the combustion disk 4, and the fuel disk is mainly used to carry liquid fuel; and the pilot flame assembly 5 includes a vaporization assembly 501 and an air inlet 502 that are interconnected, and the air inlet 502 is connected to the first connecting member 2, and the vaporization assembly 501 is used to vaporize the liquid fuel coming in from the air inlet 502 and eject it from the ignition port to form an ignition source, so as to ignite the liquid fuel on the combustion disk 4 and provide kinetic energy for the hot air balloon.

[0036] Since liquid fuel cannot be ignited directly, it often requires an open flame to ignite. When a hot air balloon burns, the amount of liquid fuel is large, and conventional electronic ignition cannot meet its ignition source supply. Therefore, hot air balloons are usually equipped with two types of fuel supply components, one of which provides liquid fuel for supplying the combustion disk 4, and the other provides gaseous fuel for ignition to form an open flame. This design requires the combustion disk 4 to be additionally equipped with a gaseous fuel supply structure, which greatly increases the weight of the combustion disk 4 itself, reducing the carrying capacity of the hot air balloon. In addition, the coordination between the two fuel supply structures and the pipelines makes the burner structure more complicated and more prone to problems such as failures.

[0037] The single-channel burner in the present invention replaces the conventional gaseous fuel supply structure with a long-open flame component 5. By setting a vaporization structure in the long-open flame component 5, the liquid fuel entering the long-open flame component 5 is vaporized and ejected and ignited by the ignition structure, providing a continuous open flame for the liquid fuel on the combustion disk 4, so that the burner provides a stable fire source. At the same time, the single-channel burner omits the multi-pipeline design of the conventional burner. It only needs to lead out a pipeline on the fuel supply component to connect with the first connecting member 2, and then connect the long-open flame component 5 and the combustion disk 4 respectively through the first connecting member 2, so that the purpose of a single fuel supply component supplying gaseous fuel and liquid fuel at the same time can be achieved. The overall structure is simple and easy to operate, which greatly improves the convenience of use of the burner. A connecting pipeline is extended horizontally from the vertical pipeline of the first connecting member 2 in the present application toward the long-open flame component 5, so that the liquid fuel introduced from the first connecting member 2 can be directly injected into the interior of the long-open flame component 5, and then enter the vaporization component 501 from the air inlet 502 for vaporization.

[0038] Furthermore, as a preferred embodiment of the present invention, the ever-open flame component 5 in the present application also includes an adjusting component, which is arranged corresponding to the air inlet 502 to adjust the amount of fuel entering the vaporization component 501. When liquid fuel is provided through the fuel supply component, since a relatively high pressure is required inside the fuel supply component to make the fuel liquid, the amount of liquid fuel entering the ever-open flame component 5 may not be simply controlled through the air inlet 502. If the amount of liquid fuel entering the vaporization component 501 cannot be controlled, it may not be completely vaporized, resulting in the ever-open flame component 5 being unable to form an effective open flame. For this reason, an adjusting component is arranged corresponding to the air inlet 502, and the amount of liquid fuel entering the air inlet 502 is achieved through the adjusting component, so as to ensure that the liquid fuel entering the vaporization component 501 is stably vaporized, so as to facilitate the ever-open flame component 5 to stably supply the fire source.

[0039] Optionally, the vaporization component 501 is a tubular structure with a relatively long channel. After a relatively small amount of liquid fuel enters the vaporization component 501, it has high pressure capability and is sprayed in the channel as a gas-liquid mixed state for ignition. Preferably, the vaporization component 501 is a piston structure, and the liquid fuel entering it is converted into gaseous fuel through the piston structure and sprayed out for ignition.

[0040] Further, as a preferred embodiment of the present invention, the regulating assembly in the present application includes a rotating body 503 arranged in a disc shape, a valve stem 504 is meshedly arranged at the center of the rotating body 503, one end of the valve stem 504 is arranged toward the air inlet 502, and the rotating body 503 and the valve stem 504 form a screw structure, the valve stem 504 is driven to rise and fall in the vertical direction by the rotation of the rotating body 503 in the horizontal direction, and the size of the air inlet 502 is adjusted by the vertical distance between the valve stem 504 and the air inlet 502, thereby adjusting the amount of liquid fuel entering the air inlet 502. The regulating assembly in the present application is arranged inside the ever-open flame assembly 5, and the ever-open flame assembly 5 is correspondingly arranged inside the seat body 1, and the rotating body 503, the valve stem 504, the vaporization assembly 501 and the air inlet 502 are all arranged inside the seat body 1.

[0041] Further, as a preferred embodiment of the present invention, the adjustment assembly in the present application also includes a transversely arranged adjustment handle 505, and a corresponding connection port 3 is provided on the seat body 1. The adjustment handle 505 is detachably connected to the connection port 3, and the adjustment handle 505 is fixedly connected to the rotating body 503 at one end after passing through the connection port 3, so as to drive the rotating body 503 to rotate outside the seat body 1. At this time, the rotation direction of the adjustment handle 505 is the same as that of the rotating body 503, and the lower part of the seat body 1 that cooperates with the adjustment handle 505 is also arranged in a rotatable form, so that the adjustment handle 505 drives the rotating body 503 to rotate. As an optional embodiment, a bevel gear is provided at one end of the adjustment handle 505 connected to the rotating body 503, and a helical rack that cooperates with the bevel gear is provided on the outer periphery of the rotating body 503. At this time, the rotating handle itself rotates around the axis to drive the rotating body 503 to rotate.

[0042] Since the pilot flame assembly 5 needs to introduce the liquid fuel inside the fuel supply assembly into the air inlet 502, and the air inlet 502 is in an expanded state, the valve stem 504 adjusts the gap between the air inlet 502 and the surrounding area by vertical lifting, which makes the air inlet 502, the valve stem 504, etc. all within the wrapping range of the liquid fuel, and the liquid fuel easily infects the rotating body 503. Therefore, a horizontal adjustment handle 505 is correspondingly set, and through the cooperation between the adjustment handle 505 and the rotating body 503, the rotation of the adjustment handle 505 drives the rotation of the rotating body 503, thereby realizing the lifting and lowering of the valve stem 504. We only need to do a good job of sealing at the connection between the adjustment handle 505 and the connecting port 3, and the lifting and lowering of the valve stem 504 can be realized by the adjustment handle 505 outside the pilot flame assembly 5 to adjust the amount of liquid fuel entering the air inlet 502.

[0043] Furthermore, as a preferred embodiment of the present invention, the end of the valve stem 504 in the present application facing the air inlet 502 is also provided with an elastic diaphragm 506, and the elastic diaphragm 506 abuts against the air inlet 502. Since the fuel inside the fuel supply assembly is compressed into a liquid state, the internal pressure is strong. If the gap between the air inlet 502 and the valve stem 504 is large, it is impossible to control the flow rate by adjusting the valve stem 504 up and down. Therefore, an elastic diaphragm 506 is provided at the end of the valve stem 504 facing the air inlet 502, and the elastic diaphragm 506 abuts against the air inlet 502. When the valve stem 504 is raised or lowered, the tension between the elastic diaphragm 506 and the air inlet 502 changes, and the gap between the air inlet 502 and the elastic diaphragm 506 changes, thereby adjusting the amount of liquid fuel entering the vaporization assembly 501.

[0044] Furthermore, as a preferred embodiment of the present invention, a filter element is provided in the vaporization component 501 in the present application. The purity of current liquid fuels is difficult to guarantee, and there are impurities in the fuel. Gaseous fuels containing impurities may not be directly ignited, so it is necessary to remove the impurities inside the fuel. In this regard, a filter element is provided in the channel of the vaporization component 501 to remove impurities from the fuel and facilitate gas ignition. At the same time, the fuel in a high-pressure state has a high flow rate after entering the vaporization component 501, so that the flow rate of the gas ejected from the long-open flame component 5 is too high, which is not convenient for ignition; the filter element can also buffer the gas, slowing down the flow rate of the gas, so that the long-open flame component 5 always provides an open flame.

[0045] Further, as a preferred embodiment of the present invention, the ignition port of the long-fire assembly 5 in the present application is arranged in a tubular shape, an electronic ignition structure is arranged at the ignition port, and a plurality of flame holes for flame ejection are opened on the tubular structure. The long-fire assembly 5 is mainly used to ignite the liquid fuel on the combustion disk 4. In order to ignite all the fuel on the combustion disk 4, the long-fire assembly 5 needs to emit a larger range of flames rather than a point flame. Therefore, a plurality of flame holes are opened on the tubular structure at the ignition port, and the flame holes are circumferentially distributed on the tubular structure. The electronic ignition structure is arranged on the top of the ignition port, which ignites the gas at the ignition port, so that a torch-shaped open flame is formed at its end to ignite the fuel on the combustion disk 4.

[0046] Further, as a preferred embodiment of the present invention, a serpentine tube 6 is connected between the first connecting member 2 and the combustion disk 4 in the present application, and the serpentine tube 6 is arranged in a spiral, and the connection end of the serpentine tube 6 and the fuel supply assembly is located above the connection end of the serpentine tube 6 and the combustion disk 4. The serpentine tube 6 is annularly spiraled just above the combustion disk 4, and the gas on the combustion disk 4 generates heat after combustion. The liquid fuel flowing through the serpentine tube 6 from top to bottom can be initially transitioned from liquid to gas after being heated, which facilitates the combustion of the fuel on the combustion disk 4.

[0047] Furthermore, as a preferred embodiment of the present invention, the single-channel burner in the present application also includes a backup ignition assembly, the ignition port of which is arranged toward the combustion disk 4, and the backup ignition assembly has an independent fuel supply source. When the pilot flame assembly 5 fails or malfunctions, the backup ignition assembly can replace the pilot flame assembly 5 and ignite the fuel on the combustion disk 4 for emergency use.

[0048] Furthermore, as a preferred embodiment of the present invention, a siphon assembly 7 is also provided on the single-channel burner in the present application. The siphon assembly 7 includes a siphon tube, one end of which is arranged toward the periphery of the combustion disk 4, and the other end of which is connected to the outside of the combustion disk 4, so as to lead the water vapor around the combustion disk 4 out of the combustion disk 4. In the process of the combustion disk 4 providing flames, the temperature of the central area thereof is high, and water vapor is easily generated in the circumferential space outside the combustion disk 4 and condenses and drips around the combustion disk 4, which is easy to affect the stable combustion of the fuel on the combustion disk 4. For this reason, a siphon assembly 7 is correspondingly provided at the combustion disk 4. Under the action of the high-speed upward gas on the combustion disk 4, the siphon assembly 7 can lead the water vapor generated on the periphery of the combustion disk 4 into the siphon tube, and then discharge it through the other end, so as to ensure the stable operation of the burner.

[0049] The single-channel burner in the present application leads the liquid fuel in the fuel supply assembly to the combustion disk 4 and the long-fire assembly 5 respectively, and then uses the long-fire assembly 5 to vaporize the liquid fuel to facilitate ignition at its ignition port. By opening a plurality of flame holes at the ignition port pipe mouth, the long-fire assembly 5 forms a larger open flame source to ignite the fuel on the combustion disk 4, thereby ensuring stable combustion of the fuel in the combustion disk 4.

[0050] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A single-channel burner for burning liquid fuel supplied by a fuel supply assembly, characterized in that: It comprises a seat body, on which a first connecting piece connected to a fuel supply assembly is provided, the first connecting piece is respectively connected to a combustion disk and a pilot flame assembly, and an ignition port of the pilot flame assembly is arranged toward a fuel outlet of the combustion disk; The pilot flame assembly comprises a vaporization assembly and an air inlet which are interconnected, the air inlet is connected to the first connecting member, and the vaporization assembly is a piston structure, which is used to vaporize the liquid fuel entering the air inlet and eject it from the ignition port to form an ignition source; The pilot flame assembly further comprises an adjusting assembly, which is arranged corresponding to the air inlet and is used to adjust the amount of fuel entering the vaporization assembly; The regulating assembly comprises a rotating body arranged in a disc shape, a valve stem is meshedly arranged at the center of the rotating body, and one end of the valve stem is arranged toward the air inlet; the rotating body and the valve stem form a screw structure, and the vertical lifting and lowering of the valve stem can be achieved by horizontal rotation of the rotating body; The adjustment assembly further includes a transversely arranged adjustment handle, which is passed through the seat body and one end of which is fixedly connected to the rotating body to drive the rotating body to rotate outside the seat body; An elastic diaphragm is provided at one end of the valve stem facing the air inlet, and the elastic diaphragm abuts against the air inlet.

2. The single-channel burner according to claim 1, characterized in that: A filter element is also arranged in the vaporization component.

3. The single-channel burner according to claim 1, characterized in that: A serpentine tube is also connected between the first connecting member and the combustion disk. The serpentine tube is spirally arranged, and the connecting end of the serpentine tube and the fuel supply assembly is located above the connecting end of the serpentine tube and the combustion disk.

4. The single-channel burner according to claim 1, characterized in that: The ignition port of the pilot light assembly is arranged in a tubular shape, an electronic ignition structure is arranged at the ignition port, and a plurality of flame spraying holes for flame spraying are opened on the tubular structure.

5. The single-channel burner according to claim 1, characterized in that: It also includes a backup ignition component, the ignition port of the backup ignition component is arranged toward the combustion disk, and the backup ignition component is equipped with an independent fuel supply source.

6. The single-channel burner according to claim 1, characterized in that: The combustion disk is also provided with a siphon assembly, which includes a siphon tube, one end of which is arranged toward the combustion disk, and the other end of which is connected to the outside of the combustion disk.

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