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WO-2026091268-A1 - PORTABLE GAS HEATING APPARATUS

WO2026091268A1WO 2026091268 A1WO2026091268 A1WO 2026091268A1WO-2026091268-A1

Abstract

The present invention relates to the technical field of heating devices, and disclosed is a portable gas heating apparatus. A main gas inlet tube delivers gas to a flame failure protection module and a main burner system under the control of a main valve; the main burner system comprises a nozzle and a profiled burner head capable of being securely mounted in a body frame; the body frame protects the circumference of the profiled burner head; a side interlayer cavity is provided on at least one sidewall of the body frame; a top interlayer cavity is provided at the top of the body frame; the lower end of the side interlayer cavity and an exhaust port of the top interlayer cavity are communicated with the outside; the side interlayer cavity is communicated with the top interlayer cavity; when a pilot burner system is ignited by an ignition needle and burns stably, a temperature sensor transmits a signal to the main valve, the main valve controls the main gas inlet tube to supply the gas to the main burner system, and flame on the pilot burner system ignites the gas overflowing from the surface of the profiled burner head; and a tilt safety switch is configured to transmit, when the body frame is detected to be tilted, a signal to the main valve to stop all gas supply. The present invention can improve use safety and is easily portable.

Inventors

  • YANG, Chaoping

Assignees

  • 无锡一木火焰科技有限公司

Dates

Publication Date
20260507
Application Date
20241223
Priority Date
20241029

Claims (10)

  1. A portable gas heating device, characterized in that it includes an inlet main pipe, a main frame, a flameout protection module and an anti-tipping switch mounted on a base within the main frame, and a main burner system mounted within the main frame. The inlet main pipe is used to connect to a gas cylinder and can supply gas to the flameout protection module and the main burner system under the control of a main valve. The main burner system includes a nozzle, an oxygen mixing pipe, and a conformal burner head that can be securely mounted within the main frame. The main frame can provide circumferential protection for the conformal burner head, and at least one side wall of the main frame has a side cavity, and the top of the main frame has a top cavity. The lower end of the side cavity communicates with the outside. The upper end of the side interlayer cavity is connected to the air inlet of the top interlayer cavity, and the exhaust port of the top interlayer cavity is connected to the outside. The flameout protection module includes a small burner system, an ignition needle, and a temperature sensor. The small burner system includes a small nozzle, a small oxygen mixing hole, and a small burner. When the small burner system is ignited by the ignition needle and burns stably, the temperature sensor detects a temperature signal and transmits it to the solenoid valve on the main valve. The solenoid valve on the main valve controls the main air intake pipe to supply gas to the main burner system. The flame on the small burner system can ignite the gas overflowing from the surface of the shaped furnace head. The anti-tipping switch can send a signal to the solenoid valve on the main valve to stop all gas supply when the main frame is detected to be tilted.
  2. The portable gas heating device according to claim 1 is characterized in that: the shaped burner head has an internal circulation channel, a metal tube is installed on the shaped burner head, the two ends of the metal tube are respectively connected to one end of the internal circulation channel and the main air inlet pipe, a plurality of grooves are opened on the outer surface of the shaped burner head, small holes are opened on the outer surface of the shaped burner head or in the grooves, the small holes can connect to the internal circulation channel, and a metal wire is installed in the groove.
  3. The portable gas heating device according to claim 2 is characterized in that: the shaped burner head is made of refractory material; a screw is installed at the bottom of the shaped burner head, the screw can pass through the bottom plate of the main body frame and be fastened by a nut.
  4. The portable gas heating device according to claim 1 is characterized in that: at least one side wall of the main frame is a non-closed side wall, and the area of the non-closed part of the non-closed side wall accounts for at least 30% of the area of the non-closed side wall.
  5. The portable gas heating device according to claim 1 is characterized in that: the thickness of the side interlayer cavity and the top interlayer cavity are both between 5mm and 50mm.
  6. According to claim 1, the portable gas heating device is characterized in that: the first end of the main inlet pipe is used to connect to the gas cylinder, the second end of the main inlet pipe is connected to the inlet of the main valve, the first outlet of the main valve is connected to the inlet of the small burner gas pipe of the small burner system, the outlet of the small burner gas pipe of the small burner system is the small burner, the second outlet of the main valve is sequentially connected to the nozzle and the oxygen mixing pipe of the main burner system and then connected to the contour burner head, and when the small burner is burning stably, the... The temperature sensor on the flameout protection module detects a stable signal and transmits it to the solenoid valve on the main valve. The solenoid valve on the main valve opens the gas supply restriction of the main burner system. By rotating the knob of the main valve, the main valve is opened to supply gas to the shaped burner head, and the gas overflows onto the surface of the shaped burner head and is ignited by the flame of the pilot burner. The knob is used to control the gas supply to the pilot burner, control the ignition of the pilot burner, control the gas supply to the shaped burner head of the main burner system, and adjust the gas volume.
  7. According to claim 6, the portable gas heating device is characterized in that: the temperature sensor is located near the edge of the small burner, and when the small burner is ignited, the temperature sensor can detect the temperature of the edge flame of the small burner, and when a stable temperature signal is detected, the solenoid valve on the main valve is released from restriction, and the knob on the main valve is rotated to supply gas to the conformal burner head of the main burner system. Furthermore, when the flames of the small burner and the main burner system are accidentally extinguished, and the oxygen content in the surrounding air is lower than the safe level for the human body, the temperature around the temperature sensor will change. The temperature sensor detects the temperature change signal and sends it to the solenoid valve on the main valve, which then closes all gas supply from the main valve to the main burner system and the small burner.
  8. The portable gas heating device according to claim 7 is characterized in that: the anti-tipping switch can send a signal to the solenoid valve of the main valve when the tilt angle of the main body frame is greater than a set angle, and the solenoid valve on the main valve closes the gas supply from the main valve to the pilot burner and the main burner system.
  9. According to claim 8, the portable gas heating device is characterized in that: the knob includes an ignition position and a high/low flame adjustment position; when the knob is rotated to the ignition position, the main valve can supply gas to the low flame burner system; when the knob is pressed, the ignition switch is activated to control the ignition needle to ignite the low flame burner; after the temperature sensor senses the stable flame temperature on the low flame burner, it transmits a signal to the solenoid valve on the main valve; after receiving the signal, the solenoid valve on the main valve opens the gas supply restriction to the main burner system; by rotating the knob to the low or high flame position, different flow rates of gas are supplied to the conformal burner head of the main burner system.
  10. The portable gas heating device according to claim 1 is characterized in that: a pressure reducing valve is installed on the main frame, the outlet end of the pressure reducing valve is connected to the main inlet pipe, the inlet port of the pressure reducing valve can be directly installed with a portable small gas cylinder, and the inlet port of the pressure reducing valve can also be connected to other gas cylinders or gas sources through an external pipe.

Description

A portable gas heating device Technical Field This invention relates to the field of heating equipment technology, and in particular to a portable gas heating device. Background Technology Traditional tabletop gas heaters or braziers cannot achieve the same visual appeal as real fireplaces, and their tops and sides cannot be effectively protected. The handles and outer frames cannot reach the temperature requirements of portable heaters. Furthermore, traditional gas heating equipment has safety deficiencies and poses certain risks during use. Summary of the Invention The purpose of this invention is to provide a portable gas heating device to solve the problems existing in the prior art, improve its aesthetics and safety, and make it easy to carry. To achieve the above objectives, the present invention provides the following solution: This invention provides a portable gas heating device, including an inlet main pipe, a main frame, a flameout protection module and an anti-tipping switch mounted on a base within the main frame, and a main burner system mounted within the main frame. The inlet main pipe is used to connect to a gas cylinder and can supply gas to the flameout protection module and the main burner system under the control of a main valve. The main burner system includes a nozzle, an oxygen mixing pipe, and a conformal burner head that can be securely mounted within the main frame. The main frame can provide circumferential protection for the conformal burner head, and at least one side wall of the main frame has a side cavity, and the top of the main frame has a top cavity. The lower end of the side cavity communicates with the outside. The upper end of the side interlayer cavity is connected to the air inlet of the top interlayer cavity, and the exhaust port of the top interlayer cavity is connected to the outside. The flameout protection module includes a small burner system, an ignition needle, and a temperature sensor. The small burner system includes a small nozzle, a small oxygen mixing hole, and a small burner. When the small burner system is ignited by the ignition needle and burns stably, the temperature sensor detects a temperature signal and transmits it to the solenoid valve on the main valve. The solenoid valve on the main valve controls the main air intake pipe to supply gas to the main burner system. The flame on the small burner system can ignite the gas overflowing from the surface of the contoured furnace head. The anti-tipping switch can send a signal to the solenoid valve on the main valve to stop all gas supply when the main frame is detected to be tilted. Preferably, the shaped burner head has an internal flow channel, a metal tube is installed on the shaped burner head, the two ends of the metal tube are respectively connected to one end of the internal flow channel and the main air inlet pipe, the outer surface of the shaped burner head has a number of grooves, and the outer surface of the shaped burner head or the grooves have small holes that can connect to the internal flow channel, and metal wires are installed in the grooves. Preferably, the shaped furnace head is made of refractory material; the bottom of the shaped furnace head is fitted with screws that can pass through the bottom plate of the main body frame and be fastened with nuts. Preferably, at least one sidewall of the main body frame is a non-closed sidewall, and the area of the non-closed portion of the non-closed sidewall accounts for at least 30% of the area of the non-closed sidewall. Preferably, the thickness of both the side interlayer cavity and the top interlayer cavity is between 5mm and 50mm. Preferably, the first end of the main intake pipe is connected to the gas cylinder, the second end of the main intake pipe is connected to the intake port of the main valve, the first outlet of the main valve is connected to the intake port of the stub burner gas pipe of the stub burner system, the outlet of the stub burner gas pipe of the stub burner system is the stub burner, and the second outlet of the main valve is connected in sequence to the nozzle and the oxygen mixing pipe of the main burner system and then to the contour burner head. When the stub burner is burning stably, the temperature sensor on the flameout protection module detects a stable signal and transmits it to the solenoid valve on the main valve. The solenoid valve on the main valve opens the gas supply restriction of the main burner system. By rotating the knob of the main valve, gas is supplied to the contour burner head, and the gas overflows onto the surface of the contour burner head and is ignited by the flame of the stub burner. The knob is used to control the gas supply to the stub burner, control the ignition of the stub burner, control the gas supply to the contour burner head of the main burner system, and adjust the gas volume. Preferably, the temperature sensor is located near the edge of the smoldering burner. When the sm