Electric and automatic air inlet combined stove burner injection pipe

Abstract

An electric and automatic air inlet combined stove burner injection pipe comprises an injection pipe body, a nozzle and an air blower, the injection pipe body comprises an air inlet, an annular air inlet cavity and an air inlet connector, the annular air inlet cavity and the air inlet connector are arranged at the air inlet end, the annular air inlet cavity is provided with an annular air outlet with an opening facing the air outlet end, and the air inlet connector is communicated with the annular air inlet cavity; the air outlet end of the nozzle is opposite to the air inlet of the injection pipe body, the air blower is communicated with the air inlet connector, and air of the air inlet and annular air of the annular air outlet surround fuel gas sprayed out of the nozzle and are compressed. The nozzle sprays fuel gas and automatically injects air into the injection pipe body; when strong fire or stir-frying is needed, the gas amount is increased, the air blower provides air in a stepless speed change mode, air is sufficient, combustion is sufficient, and the energy efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a gas cooker, in particular to an ejector pipe of a burner. Background Art

[0002] At present, the existing technology, Chinese patent 201120541655.1, a blast-type gas stove burner, includes an ejector tube, a flame distributor is arranged at the output end of the ejector tube, a blower is arranged at the input end of the ejector tube, and an inner ring fire ejector channel and an outer ring fire ejector channel are arranged in the ejector tube, and the air outlet of the blower is aligned with the entrance of the inner ring fire ejector channel and the outer ring fire ejector channel. The problem is that the blower can only take in air, and does not have the automatic air intake feature. Utility Model Content

[0003] The utility model aims to provide a stove burner ejector tube which combines electric and automatic air inlet, and has the characteristics of forced air inlet and automatic air inlet.

[0004] The utility model is realized in this way: a stove burner ejector tube combined with electric and automatic air inlet, which is special in that it includes an ejector tube body, a nozzle and a blower.

[0005] The ejector body comprises an air inlet, an annular air inlet cavity and an air inlet interface arranged at the air inlet end, the annular air inlet cavity has an annular air outlet opening toward the air outlet end, and the air inlet interface is connected with the annular air inlet cavity;

[0006] The air outlet end of the nozzle is opposite to the air inlet of the ejector tube body, the blower is connected to the air inlet interface, and the air in the air inlet and the annular air in the annular air outlet surround the combustion gas ejected from the nozzle and compress it.

[0007] The said stove burner ejector tube with electric and automatic air inlet is special in that: the ejector tube body comprises a compression part, a cylindrical compression throat part and a pressure diffuser part.

[0008] The annular air inlet chamber is arranged on the compression part.

[0009] The burner ejector pipe of a stove with electric and automatic air inlet is special in that it also includes an air guide pipe, and the blower, the air guide pipe and the air inlet interface are connected in sequence.

[0010] The said burner ejector tube of a stove with electric and automatic air inlet is special in that: the said nozzle comprises an air inlet cavity, a compression cavity, an air jet hole, an air outlet head and radial air ejection holes arranged on the air outlet head;

[0011] The air outlet head is extended to be opposite to the air inlet end of the ejector tube body.

[0012] The burner ejector tube of a stove with electric and automatic air inlet is special in that the air outlet head is in the shape of a regular hexagonal prism, and the radial air ejection holes are arranged on the prism surface.

[0013] The burner ejector tube of the stove with electric and automatic air inlet is special in that when the valve body of the stove is adjusted to increase the firepower, the gas flow rate increases greatly and the blower power increases accordingly;

[0014] When the valve body is adjusted to low fire power, the gas flow rate becomes smaller and the blower power becomes lower or shut down;

[0015] When the blower needs instantaneous high power, the flow rate remains unchanged, but the blower power increases;

[0016] The blower air volume is automatically adjusted as the valve body controls the amount of gas or is adjusted individually according to the set parameters.

[0017] The utility model discloses an ejector pipe for a stove burner which is combined with electric and automatic air inlet. Due to the structure, a nozzle sprays gas and automatically ejects air into the ejector pipe body. When high fire or stir-frying is required, the gas volume increases, and the blower provides air with stepless speed change. The air is sufficient, the combustion is complete, and the energy efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cross-sectional view of the utility model.

[0019] Figure 2 yes Figure 1 A-A view of.

[0020] Figure 3 It is a stereogram of the utility model. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] like Figure 1As shown, a stove burner ejector tube with electric and automatic air inlet combined comprises an ejector tube body 1, a nozzle 2 and a blower 3.

[0024] The ejector body 1 comprises an air inlet 11, an annular air inlet cavity 12 and an air inlet interface 13 arranged at the air inlet end, the annular air inlet cavity 12 has an annular air outlet 121 opening toward the air outlet end, and the air inlet interface 13 is connected to the annular air inlet cavity 12;

[0025] The air outlet end of the nozzle 2 is opposite to the air inlet 11 of the ejector tube body 1, and there is a gap between the air outlet end of the nozzle 2 and the air inlet end of the ejector tube body 1, or the end face of the air outlet end of the nozzle 2 is flush with the end face of the air inlet end of the ejector tube body 1, and the blower 3 is connected to the air inlet interface 13, and the air of the air inlet 11 and the annular air of the annular air outlet 121 surround the gas ejected from the nozzle 2 and are mixed and compressed; with such a structure, first, the gas ejected from the nozzle 2 and the air inlet 11 are mixed to form an air-gas mixture; when the blower is working, the air-gas mixture is mixed with the air ejected from the annular air outlet 121 to form multi-stage introduced air, the gas and air are fully mixed, the air is sufficient, the combustion is sufficient, and it is suitable for the requirements of high fire and stir-frying.

[0026] As a further improvement of the utility model: the ejector body 1 comprises a compression portion 1A, a cylindrical compression throat portion 1B and a diffuser portion 1C.

[0027] The annular air inlet chamber 12 is arranged on the compression part 1A. With such a structure, the fuel gas and air are compressed and premixed in the compression part 1A, and then compressed for the second time in the cylindrical compression throat part 1B, and are fully mixed in the diffuser pipe part 1C.

[0028] As a further improvement of the utility model: it also includes an air guide pipe 4, and the blower 3, the air guide pipe 4 and the air inlet interface 13 are connected in sequence.

[0029] As a further improvement of the utility model: the nozzle 2 includes an air inlet chamber 21, a compression chamber 22, an air jet hole 23, an air outlet head 24 and a radial air injection hole 241 provided on the air outlet head;

[0030] The air outlet head 24 is opposite to the air inlet end of the ejector body 1. The radial air ejector 241 is arranged so that the air and the fuel gas are mixed in the nozzle 2 to form a primary mixed gas; when the primary mixed gas enters the air inlet 11 of the ejector body 1, it is mixed with the air entering the air inlet 11 to form a secondary mixed gas; when the blower is working, the secondary mixed gas is mixed with the annular air of the annular air outlet 121 to form a tertiary mixed gas; the air is sufficient and the mixing is sufficient.

[0031] As a further improvement of the utility model: the air outlet head 24 is in the shape of a regular hexagonal prism, and the radial air injection holes 241 are arranged on the prism surface. The air outlet head 24 is used for the rotation of the rotary tool.

[0032] When the valve body of the stove is adjusted to a higher firepower, the gas flow rate increases greatly, and the power of the blower 3 increases accordingly;

[0033] When the valve body is adjusted to low fire power, the gas flow rate becomes smaller, and the power of the blower 3 becomes lower or shuts down;

[0034] When instantaneous high power of blower 3 is required, the flow rate remains unchanged and the power of blower 3 increases;

[0035] The air volume of blower 3 is automatically adjusted as the valve body controls the amount of gas or is adjusted individually according to the set parameters.

[0036] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A stove burner ejector tube with electric and automatic air inlet, characterized in that: It includes the ejector body, nozzle and blower. The ejector body comprises an air inlet, an annular air inlet cavity and an air inlet interface arranged at the air inlet end, the annular air inlet cavity has an annular air outlet opening toward the air outlet end, and the air inlet interface is connected with the annular air inlet cavity; The air outlet end of the nozzle is opposite to the air inlet of the ejector tube body, the blower is connected to the air inlet interface, and the air in the air inlet and the annular air in the annular air outlet surround the combustion gas ejected from the nozzle and compress it.

2. The burner ejector tube of a stove with electric and automatic air inlet according to claim 1, characterized in that: The ejector tube body comprises a compression portion, a cylindrical compression throat portion and a diffuser tube portion. The annular air inlet chamber is arranged on the compression part.

3. The burner ejector tube of a stove with electric and automatic air inlet according to claim 1, characterized in that: It also includes an air duct, and the blower, the air duct and the air inlet interface are connected in sequence.

4. The burner ejector tube of a stove with electric and automatic air inlet according to claim 1, characterized in that: The nozzle comprises an air inlet cavity, a compression cavity, an air jet hole, an air outlet head and a radial air ejection hole arranged on the air outlet head; The air outlet head is opposite to the air inlet end of the ejector tube body.

5. The burner ejector tube of a stove with electric and automatic air inlet according to claim 1, characterized in that: When the valve body of the stove is adjusted to increase the fire power, the gas flow rate increases and the blower power increases accordingly; When the valve body is adjusted to low fire power, the gas flow rate becomes smaller and the blower power becomes lower or shut down; The blower air volume is automatically adjusted as the valve body controls the amount of gas or is adjusted individually according to the set parameters.

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