Infrared combustion heater

Abstract

This utility model relates to the field of heater technology, specifically an infrared combustion heater, including a temperature control valve, an ejector tube, a cover, and a combustion chamber installed in the cover. The temperature control valve is installed at one end of the ejector tube, and the other end of the ejector tube passes through the cover and extends into the combustion chamber. The ejector tube is an L-shaped fitting, with one end being an air inlet pipe and the other end being a connecting pipe. A pressurization section is provided at the air inlet pipe. The temperature sensor of the temperature control valve passes through the cover and extends into the combustion chamber. This infrared combustion heater has a simple overall structure. The temperature control valve, combined with the temperature sensor, can monitor the temperature inside the combustion chamber and cut off the gas supply based on the detected temperature, improving the safety of the heater during use. The L-shaped ejector tube reduces the risk of backfire at the connecting pipe, and the pressurization section ensures uniform pressurization of the combustible gas, further improving safety while increasing the combustion efficiency of the combustible gas, enhancing the heating effect, and reducing overall energy consumption.

Description

Technical Field

[0001] This utility model relates to the field of heater technology, specifically to an infrared combustion heater. Background Technology

[0002] Existing heaters that generate heat by burning gas mainly work by introducing gas through a jet pipe onto the surface of a porous combustion plate for combustion. This method has the following drawbacks: After the gas comes out of the jet pipe, it will directly hit the inner wall of the heater, causing uneven flow and velocity, which further aggravates the excessive combustion of the combustion plate and the waste of gas. The heater lacks safety features during operation and there is no corresponding insurance mechanism.

[0003] Therefore, it is urgent to develop a technical solution to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this utility model is to provide an infrared combustion heater that enables normalized clamping, reduces external power consumption, and provides controllable clamping force to avoid damage to the lens workpiece caused by uncontrolled external drive, thereby improving the efficiency of workpiece loading and unloading and enhancing the overall stability and speed of operation.

[0005] To achieve the above objectives, this utility model provides the following technical solution; An infrared combustion heater includes a temperature control valve, an ejector tube, a housing, and a combustion chamber installed in the housing. The temperature control valve is installed at one end of the ejector tube, and the other end of the ejector tube passes through the housing and extends into the combustion chamber. The ejector tube is an L-shaped fitting, with one end being an air inlet pipe and the other end being a connecting pipe. A pressurization section is provided at the air inlet pipe. The temperature sensor of the temperature control valve extends through the housing into the combustion chamber. During operation, the temperature control valve connects to an external gas source, allowing combustible gas to be introduced into the intake pipe. After being pressurized and accelerated by the pressurization section, the combustible gas enters the combustion chamber through the connecting pipe, where it is ignited by an external fire source to achieve combustion and heating.

[0006] Furthermore, the pressurization section is provided with a constriction neck, and a constriction section near the temperature control valve and a diffuser section near the connecting pipe are respectively arranged in a funnel shape from the constriction neck to both sides; the diameter of the constriction section and the diffuser section both decrease from the end to the constriction neck; after the combustible gas is pressurized and accelerated at the constriction section, it enters the diffuser section to form a more uniform combustible mist.

[0007] Furthermore, one end of the temperature control valve is connected to an external air source, and the other end is equipped with a jet nozzle that extends into one end of the air intake pipe; an oxygen replenishment port is opened at the end of the air intake pipe.

[0008] Furthermore, the combustion chamber includes an inner chamber and an outer chamber; the connecting pipe extends through the cover into the inner chamber, and the outer chamber is placed outside the inner chamber and installed inside the cover; the temperature probe extends through the cover into the outer chamber.

[0009] Furthermore, the inner compartment includes an inner compartment mesh ring, with an inner loop at one end and an inner compartment bottom at the other end; During operation, the inner ring is fitted onto the connecting pipe, and the combustible gas is ejected from the connecting pipe into the inner mesh ring and hits the bottom of the inner chamber to further homogenize the combustible gas.

[0010] Furthermore, the outer compartment includes an outer compartment cover, an outer compartment mesh ring fixed on the outer compartment cover, and an outer compartment bottom installed at the other end of the outer compartment mesh ring; the outer compartment cover has an installation opening for inserting the inner compartment; the diameter of the outer compartment bottom is smaller than that of the outer compartment cover, and the outer compartment mesh ring is frustum-shaped.

[0011] Furthermore, the enclosure includes a bottom and a heat-gathering shroud; the connecting pipe and the combustion chamber are both installed at the bottom of the enclosure, and the heat-gathering shroud is fixed to the edge of the enclosure and extends outward. Furthermore, the bottom of the cover includes a cover plate and a cover plate; the connecting pipe and the temperature probe are both fixed to the cover plate and pass through the cover plate; the cover plate is installed on one side end face of the cover plate, and the combustion chamber is installed on the other side end face of the cover plate.

[0012] Furthermore, a hanging bracket is also provided on the bottom of the cover.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This infrared combustion heater has a simple overall structure. The thermostatic valve, combined with a temperature sensor, can monitor the temperature inside the combustion chamber and cut off the gas supply based on the detected temperature, thus improving the safety of the heater during use. The L-shaped ejector tube reduces the risk of backfire at the connection pipe, and the pressurization section ensures uniform pressurization of the combustible gas, further enhancing safety while improving the combustion efficiency of the combustible gas, increasing the heating effect, and reducing overall energy consumption. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the present invention from another perspective. Figure 3 This is a schematic diagram of the exploded structure of this utility model; Figure 4 This is a schematic diagram of the three-dimensional structure of the ejector tube; Figure 5 This is a three-dimensional structural diagram of the combustion chamber. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] refer to Figure 1-5 As shown, this utility model provides an infrared combustion heater, including a temperature control valve 1, an ejector tube 2, a cover 3, and a combustion chamber 5 installed in the cover 3; the temperature control valve 1 is installed at one end of the ejector tube 2, and the other end of the ejector tube 2 passes through the cover and extends into the combustion chamber 5; the ejector tube 2 is an L-shaped pipe, one end of the ejector tube 2 is an air inlet pipe 22, and the other end of the ejector tube 2 is a connecting pipe 21, and a pressurization section 221 is provided at the air inlet pipe 22; the temperature sensor 4 of the temperature control valve 1 passes through the cover 3 and extends into the combustion chamber 5; During operation, the temperature control valve 1 is connected to an external gas source, and combustible gas is introduced into the air inlet pipe 22. After being pressurized and accelerated by the pressurization section 221, the combustible gas enters the combustion chamber 5 through the connecting pipe 21. The gas inside the combustion chamber 5 is ignited by an external fire source to achieve combustion and heating. The temperature detection head 4 monitors the temperature inside the combustion chamber 5.

[0017] This infrared combustion heater has a simple overall structure. The temperature control valve 1, combined with the temperature detection head 4, can monitor the temperature inside the combustion chamber 5 and cut off the gas supply based on the detected temperature, thus improving the safety of the heater during use. The L-shaped ejector tube 2 reduces the risk of backfire at the connecting pipe 21, and the pressurization section 211 ensures uniform pressurization of the combustible gas, further improving safety while increasing the combustion efficiency of the combustible gas, enhancing the heating effect, and reducing overall energy consumption.

[0018] In this embodiment, the pressurization section 221 is provided with a constriction neck 2213, and a constriction section 2211 near the temperature control valve 1 and a diffuser section 2212 near the connecting pipe 21 are respectively arranged in a funnel shape from the constriction neck 2213 to both sides; the diameter of the constriction section 2211 and the diffuser section 2212 both decrease from the end towards the constriction neck 2213; after the combustible gas is pressurized and accelerated at the constriction section 2211, it enters the diffuser section 2212 to form a more uniform combustible mist.

[0019] Specifically, by using the contraction and diffusion structure of the neck 2213, the pressurization section 221 can achieve the Venturi effect, which enables the combustible gas to be pressurized and accelerated inside the injector tube 2, thereby improving the energy efficiency of the heater.

[0020] In this embodiment, one end of the temperature control valve 1 is connected to an external air source, and the other end is provided with a jet nozzle 11 that extends into one end of the air intake pipe 22; the end of the air intake pipe 22 is provided with an oxygen replenishment port 222.

[0021] Specifically, when combustible gas is ejected from the nozzle 11, the high-speed combustible gas can drive the airflow so that external air enters the intake pipe 22 through the oxygen supply port 222, ensuring that the combustible gas can be mixed with oxygen and improving combustion efficiency.

[0022] In this embodiment, the combustion chamber 5 includes an inner chamber 51 and an outer chamber 52; the connecting pipe 21 passes through the cover 3 and extends into the inner chamber 51, and the outer chamber 52 covers the inner chamber 51 and is installed inside the cover 3; the temperature probe 4 passes through the cover 3 and extends into the outer chamber 52.

[0023] Specifically, both inner chambers 51 and 52 are made of refractory metal materials. The combustion chamber 5 has a double-chamber design. The inner chamber 51 is used to burn combustible gas and provide the main heat source. The outer chamber 52 is used to absorb the heat from the inner chamber 51 and further expand the heat dissipation area to further radiate heat and improve heating efficiency.

[0024] In this embodiment, the inner chamber 51 includes an inner chamber mesh ring 513. One end of the inner chamber mesh ring 513 is provided with an inner sleeve ring 512, and the other end is provided with an inner chamber bottom 511. During operation, the inner sleeve ring 512 is sleeved on the connecting pipe 21, and the combustible gas is sprayed out from the connecting pipe 21 into the inner chamber mesh ring 513 and hits the inner chamber bottom 511 to make the combustible gas more uniform.

[0025] Specifically, the high-speed combustible gas will decelerate and disperse evenly after being loaded into the inner chamber 511, which will facilitate further and more complete combustion of the combustible gas in the inner chamber 51 and improve the combustion efficiency of the combustible gas.

[0026] In this embodiment, the outer compartment 52 includes an outer compartment cover 521, an outer compartment mesh ring 524 fixed on the outer compartment cover 521, and an outer compartment bottom 523 installed at the other end of the outer compartment mesh ring 524; the outer compartment cover 521 has an installation port 522 for inserting the inner compartment 51; the diameter of the outer compartment bottom 523 is smaller than that of the outer compartment cover 521, and the outer compartment mesh ring 524 is frustoconical.

[0027] Specifically, the outer chamber 52 absorbs the heat from the inner chamber 51 and then radiates the heat energy further. The outer chamber 52 is shaped like a frustum, and the inclined outer chamber mesh ring 524 can further increase the heat radiation area and angle, improve combustion heating efficiency, and reduce energy consumption.

[0028] In this embodiment, the cover 3 includes a cover bottom 31 and a heat-gathering cover 32; the connecting pipe 21 and the combustion chamber 5 are both installed at the cover bottom 31, and the heat-gathering cover 32 is fixed to the edge of the cover bottom 31 and extends outward. In this embodiment, the bottom cover 31 includes a cover plate 311 and a cover plate 312; the connecting pipe 21 and the temperature probe 4 are both fixed to the cover plate 311 and pass through the cover plate 312; the cover plate 311 is installed on one side end face of the cover plate 312, and the combustion chamber 5 is installed on the other side end face of the cover plate 312.

[0029] In this embodiment, a hanging bracket 7 is also provided on the bottom cover 31. Specifically, adding the hanging bracket 7 can enhance the application scenarios of this heater.

[0030] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the scope defined by the spirit of this utility model.

Claims

1. An infrared combustion heater, characterized in that, It includes a temperature control valve (1), an ejector tube (2), a housing (3), and a combustion chamber (5) installed on the housing (3); the temperature control valve (1) is installed at one end of the ejector tube (2), and the other end of the ejector tube (2) passes through the housing and extends into the combustion chamber (5); the ejector tube (2) is an L-shaped pipe, one end of the ejector tube (2) is an air inlet pipe (22), and the other end of the ejector tube (2) is a connecting pipe (21), and a pressurization section (221) is provided at the air inlet pipe (22); the temperature probe (4) of the temperature control valve (1) passes through the housing (3) and extends into the combustion chamber (5); During operation, the temperature control valve (1) is connected to an external gas source, and the combustible gas is introduced into the air inlet pipe (22). After being pressurized and accelerated by the pressurization section (221), the combustible gas enters the combustion chamber (5) from the connecting pipe (21), and the gas in the combustion chamber (5) is ignited by the fire source to achieve combustion heating.

2. The infrared combustion heater according to claim 1, characterized in that, The pressurization section (221) is provided with a constriction neck (2213). From the constriction neck (2213), a constriction section (2211) near the temperature control valve (1) and a diffuser section (2212) near the connecting pipe (21) are respectively arranged in a funnel shape on both sides. The diameter of the constriction section (2211) and the diffuser section (2212) both decrease from the end to the constriction neck (2213). After the combustible gas is pressurized and accelerated at the constriction section (2211), it enters the diffuser section (2212) to form a more uniform combustible mist.

3. An infrared combustion heater according to claim 1, characterized in that, The temperature control valve (1) is connected to an external air source at one end and has a jet nozzle (11) at the other end, which extends into one end of the air inlet pipe (22); the end of the air inlet pipe (22) is provided with an oxygen supply port (222).

4. An infrared combustion heater according to claim 1, characterized in that, The combustion chamber (5) includes an inner chamber (51) and an outer chamber (52); the connecting pipe (21) passes through the cover (3) and extends into the inner chamber (51); the outer chamber (52) covers the inner chamber (51) and is installed inside the cover (3); the temperature probe (4) passes through the cover (3) and extends into the outer chamber (52).

5. An infrared combustion heater according to claim 4, characterized in that, The inner compartment (51) includes an inner compartment mesh ring (513), with an inner ring (512) at one end and an inner compartment bottom (511) at the other end. During operation, the inner ring (512) is fitted onto the connecting pipe (21), and the combustible gas is ejected from the connecting pipe (21) into the inner chamber mesh ring (513) and hit the bottom of the inner chamber (511) to make the combustible gas more uniform.

6. An infrared combustion heater according to claim 4, characterized in that, The outer compartment (52) includes an outer compartment cover (521), an outer compartment mesh ring (524) fixed on the outer compartment cover (521), and an outer compartment bottom (523) installed at the other end of the outer compartment mesh ring (524); the outer compartment cover (521) has an installation port (522) for inserting the inner compartment (51); the outer compartment bottom (523) has a smaller diameter than the outer compartment cover (521), and the outer compartment mesh ring (524) is frustum-shaped.

7. An infrared combustion heater according to claim 4, characterized in that, The cover (3) includes a cover bottom (31) and a heat-concentrating cover (32); the connecting pipe (21) and the combustion chamber (5) are both installed at the cover bottom (31), and the heat-concentrating cover (32) is fixed to the edge of the cover bottom (31) and extends outward.

8. An infrared combustion heater according to claim 7, characterized in that, The bottom of the cover (31) includes a cover plate (311) and a cover plate (312); the connecting pipe (21) and the temperature probe (4) are both fixed on the cover plate (311) and pass through the cover plate (312); the cover plate (311) is installed on one side of the cover plate (312), and the combustion chamber (5) is installed on the other side of the cover plate (312).

9. An infrared combustion heater according to claim 7, characterized in that, A hanging bracket (7) is also provided on the bottom of the cover (31).

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