Gas heater with power supply

Abstract

A gas heater with a power source comprises a shell, a door body, a gas burner, a protective net, a gas tank, a thermoelectric conversion piece, a radiator, a motor and a cross-flow wind wheel, the shell comprises a burning cavity, an air guide cavity, a wind wheel cavity and a tank cavity, a rear hot air outlet hole is formed in a rear wall plate of the air guide cavity, the gas burner is arranged in the shell, a burning head is embedded into a mounting hole of the burning cavity, and the protective net is arranged on the door body. The protective net is arranged on the shell and covers the front opening of the combustion cavity; the radiator is arranged on the rear backboard and opposite to the rear air outlet hole, the cold face of the thermoelectric conversion piece is attached to the radiator, the hot face of the thermoelectric conversion piece is matched with the heat source plate, and a power line of the thermoelectric conversion piece is connected with the motor; the door body is in openable and closable fit with the side opening of the tank cavity. The arrangement of the thermoelectric conversion sheet does not need a single power supply and is maintenance-free; the through wind wheel blows air towards the front opening direction of the combustion cavity to generate negative pressure; and heat energy generated by the combustion cavity flows out quickly, and the temperature rise is quick.

Description

Technical Field

[0001] The utility model relates to a gas heater. Background Art

[0002] At present, the existing technology is Chinese patent 201410424221.1, a portable gas heater, including a housing, a control valve, an oxygen deficiency protection device, and a burner. The control valve is connected with an air inlet pipe, and an air outlet pipe is connected between the control valve and the burner. The air inlet pipe and the air outlet pipe are connected to form a combustion gas path. The control valve is connected with a pilot gas pipe and the air outlet end of the pilot gas pipe is opposite to the air outlet end of the burner. The air inlet pipe and the pilot gas pipe are connected to form a pilot gas path. A valve core is provided in the control valve to enable the combustion gas path to interrupt the air supply when the pilot gas path is in air supply. The control valve is provided with a solenoid valve connected to the oxygen deficiency protection device and capable of blocking the air intake of the air inlet pipe; the pilot gas path and the combustion gas path are separated. When the pilot gas path is ignited, the combustion gas path has a high ignition success rate, a stable flow rate of the combustion gas path, and a safer ignition process. The heat energy generated by the combustion of the burner flows autonomously depending on the temperature difference between the hot air and the indoor air, and the temperature rises slowly. Utility Model Content

[0003] The utility model aims to provide a gas heater with its own power supply, which has the characteristics of self-power supply, fast hot air diffusion and fast temperature rise.

[0004] The utility model is realized as follows: a self-powered gas heater, which is special in that it includes a shell, a door, a gas burner, a protective net, a gas tank, a temperature difference electric conversion sheet, a radiator, a motor and a crossflow fan.

[0005] The shell comprises a combustion chamber with a front opening arranged at the front of the shell, an air guide chamber arranged at the top, a wind wheel chamber arranged at the top of the air guide chamber, and a tank chamber arranged at one end or both ends. A rear hot air outlet is arranged on the rear wall plate of the air guide chamber, and a partition between the combustion chamber and the air guide chamber and a partition between the air guide chamber and the shell chamber serve as a heat source plate; a rear air outlet is arranged on the rear back plate of the shell, and a bottom air inlet is arranged on the bottom plate;

[0006] The gas burner is arranged in the shell, the combustion head is embedded in the mounting hole of the combustion chamber, the protective net is provided with the shell and covers the front opening of the combustion chamber; the radiator is arranged on the back plate and is opposite to the rear air outlet, the cold surface of the temperature difference electric conversion plate is embedded in the radiator, the hot surface is matched with the heat source plate, and the power cord of the temperature difference electric conversion plate is connected to the motor; the door body and the side opening of the tank cavity can be opened and closed.

[0007] The special feature of the self-powered gas heater is that it also includes a heat-conducting metal block, which is fitted with the partition between the air guide cavity and the device cavity and the radiator.

[0008] The self-powered gas heater is special in that: the rear end of the tank cavity side opening is provided with two pivot grooves, the front end is provided with a locking hole, and the pivot groove is provided with an axial hole;

[0009] A hinge plate is provided on one side of the door body, and an elastic buckle is provided on the other side, and a rotating shaft is provided on the hinge plate;

[0010] The hinge plate is slidably matched with the hinge groove, the rotating shaft is rotationally matched with the shaft hole, and the elastic buckle is matched with the locking hole.

[0011] The above-mentioned self-powered gas heater is special in that: the elastic buckle is U-shaped and includes two wall panels and an arc-shaped portion, one wall panel is provided with a locking groove, and the other end wall panel is connected to the door body;

[0012] The elastic buckle is inserted into the locking hole, and the front wall plate of the locking hole is engaged with the locking groove.

[0013] The special feature of the self-powered gas heater is that the radiator comprises a top base plate, radiating fins and longitudinal wall plates.

[0014] The heat dissipation fins are fixed to the longitudinal wall plate, and the tops of the heat dissipation fins and the longitudinal wall plate are fixed to the base plate; the heat dissipation fins are opposite to the rear air outlet holes on the rear back plate.

[0015] The utility model discloses a gas heater with its own power supply. The arrangement of a temperature difference electric conversion sheet does not require a separate power supply and is maintenance-free. The through-wind impeller is arranged to blow air in the direction of the front opening of the combustion chamber to generate negative pressure, so that the heat energy generated by the combustion chamber can flow out quickly and the temperature can rise quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the utility model.

[0017] Figure 2 yes Figure 1 A-A view of.

[0018] Figure 3 yes Figure 1 B-B view.

[0019] Figure 4 It is one of the three-dimensional exploded views of the utility model.

[0020] Figure 5 This is the second three-dimensional exploded view of the present utility model.

[0021] Figure 6 It is a partial stereogram of the utility model.

[0022] Figure 7 It is a partial three-dimensional exploded view of the utility model. DETAILED DESCRIPTION

[0023] 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.

[0024] 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.

[0025] like Figure 1 , Figure 2 , Figure 3 As shown, a self-powered gas heater includes a housing 1, a door 2, a gas burner 3, a protective net 4, a gas tank 5, a thermoelectric converter 6, a radiator 7, a motor (not shown in the figure) and a through-wind impeller 8.

[0026] The shell 1 includes a front-opening combustion chamber 11 arranged at the front of the shell cavity of the shell, an air guide chamber 12 arranged at the top of the shell, a wind wheel chamber 13 arranged at the front top of the wind guide chamber, and a tank chamber 14 arranged at one end or both ends. A rear hot air outlet hole 121 is arranged on the rear wall plate of the wind guide chamber 12, and a front hot air outlet 131 is arranged on the wind wheel chamber 13. The partition between the combustion chamber 11 and the air guide chamber 12 and the partition between the air guide chamber 12 and the shell cavity serve as a heat source plate; a rear air outlet hole 1A1 is arranged on the back plate 1A of the shell 1, and a bottom air inlet hole (marked in the figure) is arranged on the bottom plate; the bottom air inlet hole is connected to the shell cavity;

[0027] The gas burner 3 is arranged in the shell cavity of the shell 1, the combustion head is fitted with the mounting hole of the combustion chamber 11, the protective net 4 is arranged on the shell 1 and covers the front opening of the combustion chamber 11; the radiator 7 is arranged on the back plate 1A and is opposite to the rear air outlet 1A1, the cold surface of the thermoelectric converter 6 is in contact with the radiator 7, the hot surface is matched with the heat source plate, and the power cord of the thermoelectric converter 6 is connected to the motor; the door body 2 and the side opening of the tank cavity 14 can be opened and closed. The setting of the thermoelectric converter 6 utilizes the heat energy of the gas burner to generate electricity, without the need for a separate battery or external power supply. The through-wind impeller 8 blows air forward, generating negative pressure at the bottom, thereby accelerating the forward movement of the hot air in the combustion chamber.

[0028] As a further improvement of the utility model, it also includes a heat-conducting metal block 9, which is bonded to the partition between the air-conducting cavity 12 and the shell cavity and the radiator 7.

[0029] As a further improvement of the utility model: the rear end of the side opening of the tank cavity 14 is provided with two longitudinally arranged pivot grooves 141, the front end is provided with a locking hole 142, and the pivot groove 141 is provided with an axial hole;

[0030] The door body 2 is provided with a hinge plate 21 on one side and an elastic buckle 22 on the other side, and a rotating shaft is provided on the hinge plate;

[0031] The hinge plate 21 is slidably matched with the hinge groove 141 , the rotating shaft is rotationally matched with the shaft hole, and the elastic buckle 22 is matched with the locking hole 142 .

[0032] As a further improvement of the utility model: the elastic buckle 22 is U-shaped and includes two wall panels and an arc-shaped portion, one wall panel is provided with a locking groove 221, and the other end wall panel is connected to the door body 2;

[0033] The elastic buckle 22 is inserted into the locking hole 142, and the locking tongue on the front wall of the locking hole 142 is engaged with the locking groove 221. With such a structure, it is convenient to open and close the door. Figure 2 In this state, the elastic buckle 22 is pressed to separate the locking tongue from the locking groove 221, and the door can be opened; when closing the door, the door body is directly rotated to automatically lock.

[0034] As a further improvement of the present invention: the heat sink 7 comprises a top substrate 71, heat dissipation fins 72 and a longitudinal wall plate 73.

[0035] The heat dissipation fins 72 are fixed to the longitudinal wall panels 73. The tops of the heat dissipation fins 72 and the longitudinal wall panels 73 are fixed to the base plate 71. The longitudinal wall panels 73 between two adjacent heat dissipation fins 72 form an air guide groove, which is opposite to the rear air outlet 1A1 on the rear back panel 1A.

[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 gas heater with its own power supply, characterized in that: It includes a shell, a door, a gas burner, a protective net, a gas tank, a temperature difference electric converter, a radiator, a motor and a crossflow impeller. The shell comprises a combustion chamber arranged at the front of the shell, an air guide chamber arranged at the top, a wind wheel chamber arranged at the top of the air guide chamber, and a tank chamber arranged at one end or both ends. A rear hot air outlet is arranged on the rear wall plate of the air guide chamber, and a partition between the combustion chamber and the air guide chamber and a partition between the air guide chamber and the shell chamber serve as a heat source plate; a rear air outlet is arranged on the back plate of the shell, and a bottom air inlet is arranged on the bottom plate; The gas burner is arranged in the shell, the combustion head is embedded in the mounting hole of the combustion chamber, the protective net is arranged on the shell and covers the front opening of the combustion chamber; the radiator is arranged on the back plate and is opposite to the rear air outlet, the cold surface of the temperature difference electric conversion plate is in contact with the radiator, the hot surface is matched with the heat source plate, and the power cord of the temperature difference electric conversion plate is connected to the motor; the door body and the side opening of the tank cavity can be opened and closed.

2. A self-powered gas heater according to claim 1, characterized in that: It also includes a heat-conducting metal block, which is bonded to the partition between the air-conducting cavity and the shell cavity and the radiator.

3. The self-powered gas heater according to claim 1, characterized in that: The rear end of the tank cavity side opening is provided with two pivot grooves, the front end is provided with a locking hole, and the pivot groove is provided with an axis hole; A hinge plate is provided on one side of the door body, and an elastic buckle is provided on the other side, and a rotating shaft is provided on the hinge plate; The hinge plate is slidably matched with the hinge groove, the rotating shaft is rotationally matched with the shaft hole, and the elastic buckle is matched with the locking hole.

4. A self-powered gas heater according to claim 3, characterized in that: The elastic buckle is U-shaped and includes two wall panels and an arc-shaped portion, one wall panel is provided with a locking groove, and the other end wall panel is connected to the door body; The elastic buckle is inserted into the locking hole, and the front wall plate of the locking hole is engaged with the locking groove.

5. A self-powered gas heater according to claim 1, 2, 3 or 4, characterized in that: The heat sink comprises a top substrate, heat dissipation fins and longitudinal wall plates. The heat dissipation fins are fixed to the longitudinal wall plates, and the tops of the heat dissipation fins and the longitudinal wall plates are fixed to the base plate; the heat dissipation fins are opposite to the rear air outlet holes on the rear back plate.

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