CN113260099A

CN113260099A - Electric heating type blast lamp

Info

Publication number: CN113260099A
Application number: CN202110798573.3A
Authority: CN
Inventors: 颜德新
Original assignee: Nantong Xingsheng Lamp Manufacturing Co ltd
Current assignee: Nantong Xingsheng Lamp Manufacturing Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-08-13
Anticipated expiration: 2041-07-15
Also published as: CN113260099B

Abstract

The invention provides an electric heating type blast lamp, and relates to the technical field of blast lamps. The electric heating type blast lamp comprises a heating cabin, wherein a fixing groove is formed in the rear side wall of the heating cabin, a nitrogen bottle is arranged on the upper surface of the fixing groove, a guide rod is connected inside the fixing groove in a sliding mode, a spring is fixedly connected between the front side end of the guide rod and the inner wall of the fixing groove, and the rear end face of the guide rod is fixedly connected with a rear seat; the heating cabin is characterized in that a spraying barrel is fixedly connected to the front side wall of the heating cabin, a heat insulation head is arranged at the front side end of the spraying barrel, and heat insulation layers are arranged on the inner walls of the spraying barrel and the heating cabin. Through producing vortex and resistance heat for the nitrogen gas that outwards blows out is heated, and although the temperature that reaches is lower than the fuel blowtorch, nevertheless it is complete enough to be used as the heating to unfreeze, and pollution-free, uses safelyr, and overall structure insulates against heat and the heat of emission for more than 90% heat is all taken out by nitrogen gas, and the utilization ratio is high.

Description

Electric heating type blast lamp

Technical Field

The invention relates to the technical field of blowlamps, in particular to an electric heating type blowlamp.

Background

The blowtorch is a tool for heating a workpiece by using jet flame, is usually used for heating a soldering iron during welding, baking a sand mold during casting, heating the workpiece during heat treatment, heating and unfreezing an automobile water tank and the like, and is commonly provided with a kerosene blowtorch, a gasoline blowtorch and an alcohol blowtorch. Because the kerosene blowtorch, the gasoline blowtorch and the alcohol blowtorch all use fuel to burn, the user can be scalded due to overhigh temperature in the actual use, and the hidden danger is guaranteed, the safety is very unsafe, and the environment is not protected when in use. When the heating and thawing are used, the amount of fuel is adjusted to achieve the purpose, but the temperature is still high, and the generated temperature is not easy to control.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an electrothermal blowtorch, which solves the problems that the existing fuel blowtorch has large pollution when in use and the temperature generated when in unfreezing is not easy to control.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an electric heating type blast lamp comprises a heating cabin, wherein a fixing groove is formed in the rear side wall of the heating cabin, a nitrogen bottle is arranged on the upper surface of the fixing groove, a guide rod is connected inside the fixing groove in a sliding mode, a spring is fixedly connected between the front side end of the guide rod and the inner wall of the fixing groove, and the rear end face of the guide rod is fixedly connected with a rear seat;

the heating cabin comprises a heating cabin, a spraying barrel, a thermal insulation head, a heat insulation support frame, a temperature sensor, an air pressure sensor, a thermal insulation support frame and a buffer cabin, wherein the front side wall of the heating cabin is fixedly connected with the spraying barrel, the front side end of the spraying barrel is provided with the thermal insulation head, the inner walls of the spraying barrel and the heating cabin are respectively provided with the thermal insulation layer, the inner wall of the thermal insulation layer is provided with a heat reflection support frame, an induction coil, the temperature sensor, the air pressure sensor, the thermal insulation support frame and the buffer cabin, the inner wall of the front side of the heat reflection support frame is provided with a heating resistance wire, the rear side surface of the heat reflection support frame is fixedly connected with a support, and one end of the support far away from the heat reflection support frame is fixedly connected with an iron core;

a conical head is arranged inside the heat insulation support frame, a magnetic insulation protective cover is arranged on the rear side wall of the heat insulation support frame, an electromagnetic valve is arranged on the inner side of the magnetic insulation protective cover, and the electromagnetic valve is respectively connected with the conical head and the buffer cabin;

the downside fixedly connected with hand (hold) of heating cabin, the lower part adaptation of hand (hold) is connected with the battery tray, the inside of hand (hold) is provided with the dc-to-ac converter.

Preferably, an elastic band is fixedly connected between the left side wall and the right side wall of the fixing groove, the rear end of the nitrogen gas bottle is located on the inner side of the rear seat, and the nitrogen gas bottle is located between the elastic band and the fixing groove.

Preferably, the temperature sensor is positioned on the front side of the heat-reflecting support frame, and the heat-reflecting support frame is positioned inside the spray cylinder.

Preferably, the induction coil, the air pressure sensor, the heat insulation support frame and the buffer cabin are all located on the inner side of the heating cabin and are sequentially arranged from front to back.

Preferably, the rear side face of the buffer cabin is provided with a joint, and the head of the nitrogen cylinder is sleeved inside the joint.

Preferably, the front side of the heating cabin is provided with a display screen, a storage battery is arranged inside the handle and above the battery holder, and a switch is arranged on the front side of the upper part of the handle.

Preferably, the heat insulation head is positioned on the rear side surface of the spray cylinder and is bonded with the front side surface of the heat insulation layer, and the bracket extends backwards into the inner side of the induction coil.

Preferably, the side walls of the handle and the battery holder are both provided with anti-slip grooves, and the lower part of the front side surface of the battery holder is provided with a charging port and an indicator lamp.

The working principle is as follows: the rear seat is held and pulled backwards, then the nitrogen bottle passes through the elastic belt, the head of the nitrogen bottle is pushed into the joint, after the nitrogen bottle is pressed downwards and hands are released, the spring drives the guide rod to pull towards the fixed groove, so that the rear seat is leaned against the fixed groove, the nitrogen bottle is clamped, due to the extrusion effect, the nitrogen in the nitrogen bottle can enter the buffer cabin from the joint, the direct current of the storage battery is converted into alternating current under the action of the inverter after the switch is pressed down, then the alternating current reaches the induction coil and the heating resistance wire, the induction coil generates a changing magnetic field under the action of the alternating current, so that eddy current can be generated in the iron core, the heating resistance wire generates heat after being electrified, the electromagnetic valve is opened in the process, the nitrogen in the buffer cabin is blown to the iron core through the conical head, then the heat generated by the iron core and the heating resistance wire is taken out of the heat insulation head, and the temperature measured by the temperature sensor can be observed from the display screen, be convenient for use after the intensification, baroceptor's registration also can observe at the display screen, if open switch after discover that the registration is low on the low side, just at this moment indicate that nitrogen gas of nitrogen cylinder is not enough to be changed.

(III) advantageous effects

The invention provides an electrothermal blowtorch. The method has the following beneficial effects:

1. according to the invention, through generating vortex and resistance heat, the nitrogen blown out outwards is heated, although the reached temperature is lower than that of a fuel blowtorch, the nitrogen is completely enough for heating and unfreezing, and the nitrogen blowtorch is pollution-free and safer to use, and the heat insulation and heat emission of the whole structure enable more than 90% of heat to be brought out by the nitrogen, so that the utilization rate is extremely high.

2. According to the invention, the rear seat is pulled to lean against the fixed groove through the guide rod pulled by the spring, so that the nitrogen cylinder can be firmly clamped, meanwhile, the air outlet of the nitrogen cylinder is opened to send nitrogen into the buffer cabin, the nitrogen cylinder is very convenient, and meanwhile, the elastic band is used for auxiliary fixation, so that the nitrogen cylinder is more firmly installed.

3. According to the invention, the handle is held by one hand to heat, so that the nitrogen gas bottle is very convenient to use and carry, the heat quantity at the outlet of the spraying cylinder, which is measured by the temperature sensor, can be observed from the display screen, and whether the nitrogen gas bottle needs to be replaced or not can be known according to the indication number of the air pressure sensor on the display screen.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is a rear view of the present invention;

fig. 6 is a side view of the present invention.

Wherein, 1, a heating cabin; 2. a display screen; 3. an elastic band; 4. a nitrogen gas cylinder; 5. a rear seat; 6. a guide bar; 7. fixing grooves; 8. a handle; 9. a battery holder; 10. an inverter; 11. a thermal insulation head; 12. a spray cylinder; 13. a temperature sensor; 14. heating resistance wires; 15. a thermal insulation layer; 16. a heat-reflecting support frame; 17. a support; 18. an induction coil; 19. an iron core; 20. an air pressure sensor; 21. a heat insulation support frame; 22. a magnetic shield; 23. a joint; 24. a spring; 25. a buffer cabin; 26. an electromagnetic valve; 27. a conical head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 6, an embodiment of the present invention provides an electrothermal torch, which includes a heating chamber 1, a fixing groove 7 is formed on a rear side wall of the heating chamber 1, a nitrogen gas cylinder 4 is disposed on an upper surface of the fixing groove 7, nitrogen gas in the nitrogen gas cylinder 4 is used for taking out generated heat, meanwhile, the safety protection function is achieved, the elastic belt 3 is fixedly connected between the left side wall and the right side wall of the fixing groove 7, used for preventing the nitrogen gas bottle 4 from sliding out from the upper part of the fixed groove 7, the rear end of the nitrogen gas bottle 4 is positioned at the inner side of the rear seat 5, so that the nitrogen gas bottle 4 can be clamped tightly, the nitrogen gas bottle 4 is positioned between the elastic belt 3 and the fixed groove 7, the inside of the fixed groove 7 is connected with the guide rod 6 in a sliding way, the spring 24 is fixedly connected between the front side end of the guide rod 6 and the inner wall of the fixed groove 7, the rear seat is used for pulling the guide rod 6 into the fixing groove 7, so that the rear seat 5 can be pulled into the fixing groove 7, and the rear end face of the guide rod 6 is fixedly connected with the rear seat 5;

the front side wall of the heating cabin 1 is fixedly connected with a spraying barrel 12, the front side end of the spraying barrel 12 is provided with a heat insulation head 11 for being scalded when a hand is contacted, the inner walls of the spraying barrel 12 and the heating cabin 1 are both provided with a heat insulation layer 15 for preventing heat from dissipating from the side wall of the spraying barrel 12, the heat insulation head 11 is positioned at the rear side surface of the spraying barrel 12 and is bonded with the front side surface of the heat insulation layer 15, the inner wall of the heat insulation layer 15 is provided with a heat reflection support frame 16, an induction coil 18, a temperature sensor 13, an air pressure sensor 20, a heat insulation support frame 21 and a buffer cabin 25, the rear side surface of the buffer cabin 25 is provided with a joint 23, the head of the nitrogen bottle 4 is sleeved inside the joint 23, due to the acting force of a spring, the rear seat 5 and the joint 23 extrude the nitrogen bottle 4, so that nitrogen in the nitrogen bottle 4 can enter the buffer cabin 25, the support 17 extends backwards into the inner side of the induction coil 18, so that the iron core 19 can be heated by eddy current generated by the induction coil 18, a heating resistance wire 14 is arranged on the inner wall of the front side of the heat reflecting support frame 16 to play a heating role, the rear side surface of the heat reflecting support frame 16 is fixedly connected with a support 17, and one end, far away from the heat reflecting support frame 16, of the support 17 is fixedly connected with an iron core 19;

the inside of the heat insulation support frame 21 is provided with a conical head 27, nitrogen in the buffer cabin 25 is blown to the iron core 19 to be heated after the electromagnetic valve 26 is opened, one end of the nitrogen facing the induction coil 18 is funnel-shaped, the rear side wall of the heat insulation support frame 21 is provided with a magnetic insulation protective cover 22 for preventing the magnetic field of the induction coil 18 from influencing the work of the electromagnetic valve 26, the inside of the magnetic insulation protective cover 22 is provided with the electromagnetic valve 26 for controlling the nitrogen in the buffer cabin 25 to flow to the conical head 27, and the electromagnetic valve 26 is respectively connected with the conical head 27 and the buffer cabin 25;

the downside fixedly connected with hand (hold) 8 of heating cabin 1, the lower part adaptation of hand (hold) 8 is connected with battery tray 9, anti-skidding groove has all been seted up to the lateral wall of hand (hold) 8 and battery tray 9, produce when being used for preventing to hold in hand and slide, the heat radiating area of battery in hand (hold) 8 can also be increased to the anti-skidding groove, the lower part of battery tray 9 leading flank is provided with charging mouth and pilot lamp, the inside of hand (hold) 8 is provided with dc-to-ac converter 10, be used for changing the direct current of battery into the alternating current, the induction coil 18 of being convenient for produces the magnetic field that changes and then produces the vortex in iron core 19 like this.

The temperature sensor 13 is located at the front side of the heat reflecting support frame 16 so as to detect the temperature at the outlet position of the spray cylinder 12, and the heat reflecting support frame 16 is located inside the spray cylinder 12 and reflects heat inwards.

The induction coil 18, the air pressure sensor 20, the heat insulation support frame 21 and the buffer cabin 25 are all positioned on the inner side of the heating cabin 1 and are sequentially arranged from front to back.

The front side of heating cabin 1 is provided with display screen 2, and the temperature that temperature sensor 13 measured and atmospheric pressure that atmospheric pressure sensor 20 measured conical head 27 exit can be observed on display screen 2, and the inside of hand (hold) 8 and the top that is located battery holder 9 are provided with the battery, and atmospheric pressure sensor 20, temperature sensor 13 and display screen 2 all with battery electric connection, begin work after pressing the switch, the front side on hand (hold) 8 upper portion is provided with the switch for a key starts.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electrothermal burner comprising a heating compartment (1), characterized in that: a fixing groove (7) is formed in the rear side wall of the heating cabin (1), a nitrogen cylinder (4) is arranged on the upper surface of the fixing groove (7), a guide rod (6) is connected to the inside of the fixing groove (7) in a sliding mode, a spring (24) is fixedly connected between the front side end of the guide rod (6) and the inner wall of the fixing groove (7), and a rear seat (5) is fixedly connected to the rear end face of the guide rod (6);

the heating device is characterized in that a spraying barrel (12) is fixedly connected to the front side wall of the heating cabin (1), a heat insulation head (11) is arranged at the front side end of the spraying barrel (12), heat insulation layers (15) are arranged on the inner walls of the spraying barrel (12) and the heating cabin (1), a heat reflecting support frame (16), an induction coil (18), a temperature sensor (13), an air pressure sensor (20), a heat insulation support frame (21) and a buffer cabin (25) are arranged on the inner wall of the heat reflecting support frame (16), a heating resistance wire (14) is arranged on the inner wall of the front side of the heat reflecting support frame (16), a support frame (17) is fixedly connected to the rear side face of the heat reflecting support frame (16), and an iron core (19) is fixedly connected to one end, far away from the heat reflecting support frame (16), of the support frame (17);

a conical head (27) is arranged in the heat insulation support frame (21), a magnetic isolation protective cover (22) is arranged on the rear side wall of the heat insulation support frame (21), an electromagnetic valve (26) is arranged on the inner side of the magnetic isolation protective cover (22), and the electromagnetic valve (26) is respectively connected with the conical head (27) and the buffer cabin (25);

the downside fixedly connected with hand (8) of heating cabin (1), the lower part adaptation connection of hand (8) has battery tray (9), the inside of hand (8) is provided with dc-to-ac converter (10).

2. An electrothermal burner according to claim 1, wherein: fixed connection elastic webbing (3) between the left and right sides lateral wall of fixed slot (7), the rear end of nitrogen cylinder (4) is located the inboard of back seat (5), nitrogen cylinder (4) are located between elastic webbing (3) and fixed slot (7).

3. An electrothermal burner according to claim 1, wherein: the temperature sensor (13) is positioned on the front side of the heat-reflecting support frame (16), and the heat-reflecting support frame (16) is positioned in the spray cylinder (12).

4. An electrothermal burner according to claim 1, wherein: the induction coil (18), the air pressure sensor (20), the heat insulation support frame (21) and the buffer cabin (25) are all located on the inner side of the heating cabin (1) and are sequentially arranged from front to back.

5. An electrothermal burner according to claim 1, wherein: the rear side face of the buffer cabin (25) is provided with a joint (23), and the head of the nitrogen cylinder (4) is sleeved in the joint (23).

6. An electrothermal burner according to claim 1, wherein: the front side of heating cabin (1) is provided with display screen (2), the inside of hand (8) and the top that is located battery holder (9) are provided with the battery, the front side on hand (8) upper portion is provided with the switch.

7. An electrothermal burner according to claim 1, wherein: the heat insulation head (11) is positioned on the rear side surface of the spray cylinder (12) and is bonded with the front side surface of the heat insulation layer (15), and the bracket (17) extends backwards into the inner side of the induction coil (18).

8. An electrothermal burner according to claim 1, wherein: anti-skidding grooves are formed in the side walls of the handle (8) and the battery holder (9), and a charging port and an indicator lamp are arranged on the lower portion of the front side face of the battery holder (9).