CN215372975U

CN215372975U - Hot air heater capable of heating uniformly

Info

Publication number: CN215372975U
Application number: CN202121218992.7U
Authority: CN
Inventors: 姚龙; 姚俊祥
Original assignee: Yancheng Bulong Electric Appliance Co ltd
Current assignee: Yancheng Bulong Electric Appliance Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-31
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a hot air heater capable of heating uniformly, which belongs to the technical field of heating equipment and comprises a shell, wherein a fan cover is arranged on the left side in the shell, a straight air pipe and an air outlet cover are arranged on the right side of the fan cover, a valve and an exhaust fan are also arranged on the straight air pipe, a fixed plate is arranged in the air outlet cover, a vent hole is arranged on the fixed plate, a spiral pipe is arranged on the straight air pipe, a second valve is arranged on the spiral pipe, a protective box is arranged on the shell, a heating wire and a power supply are arranged in the protective box, the power supply is electrically connected with the heating wire, and a plurality of switches are arranged on the left side of the top surface of the protective box. The phenomenon that the heating effect is influenced due to uneven heating caused by the fact that heat is concentrated in the middle after formed hot air is blown out is avoided.

Description

Hot air heater capable of heating uniformly

Technical Field

The utility model relates to the technical field of heating equipment, in particular to a hot air heater capable of heating uniformly.

Background

Has wide application prospect in various industries such as electronics, food, biological pharmacy, printing and packaging, cleaning, heat treatment and textile … …. The hot air heater is a preferred product for upgrading modern industrial heat sources, and is the optimal hot air source configuration of automatic machines such as a hot air conveying furnace, a drying furnace, an oven, a packaging machine and the like.

The hot air generator consists of three parts, namely an air blower, a heater and a control circuit, and the working principle is as follows: after the power is on, the air blower blows air into the heater, so that the air uniformly passes through the inner side and the outer side of the spiral heating wire, and heat generated after the heating wire is powered on exchanges heat with the passing cold air, so that the air temperature of the air outlet is increased.

The air outlet of the existing hot air heater is often only provided with an air spraying cover, the blown hot air is often concentrated at the middle position, so that the speed and the temperature of the air blown out from the edge are not as good as those of the hot air in the middle part, and the working effect of the device is influenced.

Based on the above, the utility model designs a hot air heater with uniform heating to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a hot air heater for heating air uniformly, so as to solve the problems of the background art mentioned above.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a heat even hot air heater, which comprises an outer shell, the inside left side of shell is equipped with the air-collecting cover, the right-hand member intercommunication of air-collecting cover has straight tuber pipe, the right-hand member intercommunication air-out cover of straight tuber pipe, from left to right be equipped with a valve and air exhauster in proper order in the right section of straight tuber pipe, it has the fixed plate to go out the air-collecting cover internal fixation, be equipped with a plurality of ventilation holes on the fixed plate, the left end intercommunication of straight tuber pipe has the spiral pipe around on straight tuber pipe, the right-hand member intercommunication of spiral pipe is on straight tuber pipe, be located between a valve and the air exhauster, be equipped with No. two valves in the right section of spiral pipe, be fixed with the guard box on the top surface of shell, the inside of guard box is equipped with a plurality of heater strips, the heater strip stretches into the shell, stagger with straight tuber pipe and spiral pipe, the inside of guard box is fixed with the power, the power is connected with the heater strip electricity, the top surface left side of guard box is equipped with a plurality of switch.

Preferably, the inside of shell is equipped with the insulating layer, and the right side of shell is fixed with temperature-sensing ware, and temperature-sensing ware's bottom stretches into straight tuber pipe, and the top electricity is connected with the display screen, and the display screen is located the guard box.

Preferably, the top of the protection box is fixedly provided with a handle, and the bottom of the protection box is fixedly provided with a plurality of supporting plates.

Preferably, a filter screen is fixed at the left end of the inner part of the shell.

Preferably, still the intercommunication has the return pipe on the straight tuber pipe, and the left end of return pipe is located the left side of a valve and the right side of air exhauster, and the right side of straight tuber pipe still is equipped with No. three valves, and the right-hand member of return pipe is located air exhauster and between, is equipped with No. four valves on the return pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the exhaust fan is arranged, the exhaust fan is opened, the heating wire is opened under the control of the switch, the air in the straight air pipe is heated by the heating wire, the heated air is conveyed to the right side by the exhaust fan to form hot air, the hot air enters the air outlet cover and is scattered by the vent holes in the fixed plate and uniformly blown out, and the phenomenon that the formed hot air is concentrated in the middle part after being blown out, so that the heating is not uniform and the heating effect is influenced is avoided;

2. according to the utility model, the return pipe is arranged, the exhaust fan, the second valve and the fourth valve are opened, the first valve and the third valve are closed, external air enters through the spiral pipe and is blown out from the return pipe and the straight air pipe to blow air to the filter screen, so that dust attached to the filter screen is blown out, the filter screen is convenient to clean, and the damage of the device caused by frequent disassembly is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the present invention at A;

FIG. 3 is a schematic view of a modified structure of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

the air conditioner comprises a shell 1, a filter screen 2, a shell 3, a straight air pipe 4, a valve 5, a first valve 6, an exhaust fan 7, an air outlet cover 8, an air outlet cover 9, a vent hole 10, a heating wire 11, a power supply 12, a protection box 13, a switch 13, a handle 14, a support plate 15, a spiral pipe 16, a valve 17, a second valve 18, a temperature sensor 19, a display screen 20, a return pipe 20, a valve 21, a third valve 22 and a fourth valve 22.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Example one

Referring to the drawings, the present invention provides a technical solution: a hot air heater capable of heating uniformly comprises a shell 1, wherein a wind collecting cover 3 is arranged on the left side inside the shell 1, the right end of the wind collecting cover 3 is communicated with a straight air pipe 4, the right end of the straight air pipe 4 is communicated with an air outlet cover 7, a first valve 5 and an exhaust fan 6 are sequentially arranged on the right section of the straight air pipe 4 from left to right, a fixing plate 8 is fixed in the air outlet cover 7, a plurality of vent holes 9 are formed in the fixing plate 8, a spiral pipe 16 wound on the straight air pipe 4 is communicated with the left end of the straight air pipe 4, the right end of the spiral pipe 16 is communicated on the straight air pipe 4 and is positioned between the first valve 5 and the exhaust fan 6, a second valve 17 is arranged on the right section of the spiral pipe 16, a protection box 12 is fixed on the top surface of the shell 1, a plurality of heating wires 10 are arranged inside the protection box 12, the heating wires 10 extend into the shell and are staggered with the straight air pipe 4 and the spiral pipe 16, a power supply 11 is fixed inside the protection box 12, the power supply 11 is electrically connected with the heating wires 10, and the left side of the top surface of the protection box 12 is provided with a plurality of switches 13.

Wherein, the inside of shell 1 is equipped with insulating layer 23, and the right side of shell 1 is fixed with temperature-sensing ware 18, and the bottom of temperature-sensing ware 18 stretches into straight tuber pipe 4, and the top electricity is connected with display screen 19, and display screen 19 is located protecting box 12, and the inside temperature of the viewing device of being convenient for judges whether heater strip 10 works.

Wherein, the top of the protection box 12 is fixedly provided with a handle 14, and the bottom is fixedly provided with a plurality of supporting plates 15, which is convenient for moving and placing the device.

Wherein, the inside left end of shell 1 is fixed with filter screen 2, avoids in the dust in the air gets into the device, leads to the device to damage.

One specific application of this embodiment is:

opening a first-stage switch 13, opening a first valve 5 and an exhaust fan 6, closing a second valve 17, allowing outside air to enter a straight air pipe 4 from a gas collecting hood 3 through a filter screen 2, enter an air outlet hood 7 through the exhaust fan 6, and be scattered and blown out by a fixing plate 8 and an air vent 9;

opening a second-stage switch 13, starting a heating wire 10, opening a first valve 5 and an exhaust fan 6, closing a second valve 17, heating air in the straight air pipe 4, and blowing hot air out;

the three-level switch 13 is opened, the heating wire 10 is started, the second valve 17 and the exhaust fan 6 are opened, the first valve 5 is closed, the heating wire 10 heats the air in the spiral pipe 16, the time for the air to pass through the spiral pipe 16 is longer than that of the straight air pipe 4, the temperature of the air is heated to be higher, and the temperature of the blown hot air is higher.

Example two

The structure of this embodiment is basically the same as that of the first embodiment, except that the return pipe 20 is further communicated with the straight wind pipe 4, the left end of the return pipe 20 is located at the left side of the first valve 5 and the right side of the exhaust fan 6, the right side of the straight wind pipe 4 is further provided with a third valve 21, the right end of the return pipe 20 is located between the exhaust fan 6 and the third valve 21, and the return pipe 20 is provided with a fourth valve 22.

Open the switch 13 of level four, open No. two valves 17, air exhauster 6 and No. four valves 22, close No. one valve 5 and No. three valves 21, the air passes through the entering of spiral pipe 16, gets into straight tuber pipe 4 by return pipe 20 behind the air exhauster 6, blows to filter screen 2, blows off adnexed dust on the filter screen 2, is convenient for clear up filter screen 2, avoids frequent dismantlement to cause the damage of device.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a heat even hot air heater, includes shell (1), its characterized in that: the left side of the inside of the shell (1) is provided with a wind-collecting cover (3), the right end of the wind-collecting cover (3) is communicated with a straight wind pipe (4), the right end of the straight wind pipe (4) is communicated with a wind-out cover (7), a first valve (5) and a wind exhauster (6) are sequentially arranged on the right section of the straight wind pipe (4) from left to right, a fixed plate (8) is fixed in the wind-out cover (7), a plurality of vent holes (9) are arranged on the fixed plate (8), the left end of the straight wind pipe (4) is communicated with a spiral pipe (16) wound on the straight wind pipe (4), the right end of the spiral pipe (16) is communicated with the straight wind pipe (4) and is positioned between the first valve (5) and the wind exhauster (6), a second valve (17) is arranged on the right section of the spiral pipe (16), a protection box (12) is fixed on the top surface of the shell (1), a plurality of heating wires (10) are arranged inside of the protection box (12), and the heating wires (10) extend into the shell, stagger with straight tuber pipe (4) and spiral pipe (16), the inside of guard box (12) is fixed with power (11), and power (11) are connected with heater strip (10) electricity, and the top surface left side of guard box (12) is equipped with a plurality of switches (13).

2. A hot air heater for heating uniformly according to claim 1, wherein: the inside of shell (1) is equipped with insulating layer (23), and the right side of shell (1) is fixed with temperature-sensing ware (18), and the bottom of temperature-sensing ware (18) stretches into straight tuber pipe (4), and the top electricity is connected with display screen (19), and display screen (19) are located guard box (12).

3. A hot air heater for heating uniformly according to claim 1, wherein: the top of the protection box (12) is fixedly provided with a handle (14), and the bottom end is fixedly provided with a plurality of supporting plates (15).

4. A hot air heater for heating uniformly according to claim 1, wherein: a filter screen (2) is fixed at the left end of the inner part of the shell (1).

5. A hot air heater for heating uniformly according to claim 1, wherein: still the intercommunication has return pipe (20) on straight tuber pipe (4), and the left end of return pipe (20) is located the left side of a valve (5) and the right side of air exhauster (6), and the right side of straight tuber pipe (4) still is equipped with No. three valve (21), and the right-hand member of return pipe (20) is located between air exhauster (6) and No. three valve (21), is equipped with No. four valve (22) on return pipe (20).