CN220017714U

CN220017714U - Air electric heater with high heat exchange efficiency

Info

Publication number: CN220017714U
Application number: CN202320867047.2U
Authority: CN
Inventors: 陆万明; 李建明; 金正云
Original assignee: ZHENJIANG DONGFANG ENERGY SAVING EQUIPMENT CO LTD
Current assignee: ZHENJIANG DONGFANG ENERGY SAVING EQUIPMENT CO LTD
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-11-14
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to the field of heating equipment, in particular to an air electric heater with high heat exchange efficiency, which comprises an air flow guide pipe, wherein a heating component which is arranged in the air flow guide pipe through a connecting flange is arranged in the air flow guide pipe, one side of the connecting flange is fixedly connected with a fixing column which extends along the length direction of the air flow guide pipe, the outer side of the fixing column is provided with the heating component, the heating component is connected with the fixing column through the fixing component, and the heat transfer area in the air flow guide pipe is increased through the arrangement of a first heating layer and a second heating layer in the heating component, so that the air can be fully heated efficiently and quickly, the heat transfer dead angle formed in the air flow guide pipe can be reduced through the staggered arrangement between the first heating pipe and the second heating pipe, the air heating is more uniform, and the heat exchange efficiency is improved.

Description

Air electric heater with high heat exchange efficiency

Technical Field

The utility model relates to the field of heating equipment, in particular to an air electric heater with high heat exchange efficiency.

Background

The air electric heater is a device for heating air, and the working principle is that the air enters a heating cylinder of the heater from an air inlet through an air feeder or an air inlet valve, is heated by the heating cylinder and comes out from an air outlet after fully exchanging heat in the heating cylinder to reach the required temperature for subsequent use, and the heating cylinder is generally a longer cavity so as to prolong the residence time of the air in an inner cavity, thereby fully heating the air.

The existing heating cylinder is generally longer, the air flowing speed in the heating cylinder is higher, the heating cylinder is not beneficial to fully heating the air, the heat exchange efficiency of the air and the heat is low, and the temperature of the discharged air does not reach the standard.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides an air electric heater with high heat exchange efficiency, so as to solve the problems that the prior heating cylinder is generally longer, the air flowing speed in the heating cylinder is higher, the heating cylinder is not beneficial to fully heating air, the heat exchange efficiency of air and heat is low, and the temperature of discharged air does not reach the standard.

In order to achieve the above object, the present utility model provides the following technical solutions:

the air electric heater with high heat exchange efficiency comprises an air flow guide pipe, wherein a heating component which is arranged in the air flow guide pipe through a connecting flange is arranged in the air flow guide pipe, one side of the connecting flange is fixedly connected with a fixed column which extends along the length direction of an inner cavity of the air flow guide pipe, the outer side of the fixed column is provided with the heating component, and the heating component is connected with the fixed column through the fixed component;

the heating assembly comprises a first heating layer formed by a plurality of first heating pipes which are uniformly distributed in a surrounding mode by taking the axis of the fixed column as the circle center, and a second heating layer formed by a plurality of second heating pipes which are distributed in a diffusion mode by taking the circle center of the first heating layer is arranged on the outer side of the first heating layer;

the fixing component comprises protection rings arranged on the first heating pipe and the second heating pipe, a connecting plate is fixedly connected between two adjacent protection rings, and the connecting plates are fixedly connected through connecting rings.

Further, a plurality of support columns which are uniformly distributed are arranged at the bottom of the air guide pipe.

Further, an air inlet pipe and an air outlet pipe which are communicated with the inner cavity of the air guide pipe are respectively arranged at the top and the bottom of the air guide pipe.

In order to improve heat exchange efficiency and reduce heat transfer dead angles in the air guide pipe, the first heating pipe and the second heating pipe are U-shaped heating pipes with identical structures, and the first heating pipes and the second heating pipes are arranged in a staggered mode.

In order to improve the connection strength and stability between the first heating layer, the second heating layer and the fixed column, the connecting rings and the fixed column are fixedly connected through a plurality of reinforcing connecting rods distributed at equal intervals.

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

1. through the setting of first zone of heating and second zone of heating in the heating element to increased the heat transfer area in the air honeycomb duct, can be high-efficient quick fully heat the air, through crisscross setting between first heating pipe and the second heating pipe, thereby can reduce the inside dead angle that transfers heat that forms of air honeycomb duct, make air heating more even, improve heat exchange efficiency.

2. Through matched with setting between fixed subassembly protection ring, connecting plate, go-between, reinforcing connection pole and the fixed column to can play fixed support effect to first heating pipe and second heating pipe, improve joint strength and stability between first zone of heating, second zone of heating and the fixed column, prolonged electric heating element's life greatly.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a diagram showing the connection between a heating assembly and a fixing assembly according to the present utility model;

FIG. 3 is a schematic side view of the structure of FIG. 2;

FIG. 4 is a schematic structural view of a fixing assembly according to the present utility model;

in the figure: 1. a connecting flange; 2. an air flow guide pipe; 3. an air inlet pipe; 4. an air outlet pipe; 5. a support column; 6. a fixing assembly; 61. a connecting ring; 62. a connecting plate; 63. reinforcing the connecting rod; 64. a protective ring; 7. a second heating pipe; 8. a first heating pipe; 9. and fixing the column.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

The air electric heater with high heat exchange efficiency comprises an air flow guide pipe 2, a plurality of evenly distributed support columns 5 are arranged at the bottom of the air flow guide pipe 2, an air inlet pipe 3 and an air outlet pipe 4 which are communicated with the inner cavity of the air flow guide pipe 2 are respectively arranged at the top and the bottom of the air flow guide pipe 2, a heating component which is installed in the air flow guide pipe 2 through a connecting flange 1 is arranged in the air flow guide pipe 2, a fixing column 9 which extends along the length direction of the inner cavity of the air flow guide pipe 2 is fixedly connected to one side of the connecting flange 1, a heating component is arranged outside the fixing column 9, and the heating component is fixedly connected with the fixing column 9 through a fixing component 6.

The heating assembly shown in fig. 2 and 3 is combined, the heating assembly comprises a first heating layer formed by a plurality of first heating pipes 8 which are uniformly distributed around by taking the axis of the fixed column 9 as the center of the circle, a plurality of second heating layers formed by second heating pipes 7 which are uniformly distributed by diffusing the center of the first heating layer are arranged outside the first heating layer, the first heating pipes 8 and the second heating pipes 7 are U-shaped heating pipes with identical structures, and the first heating pipes 8 and the second heating pipes 7 are arranged in a staggered manner, so that in order to improve the heat exchange efficiency, the heat transfer dead angles inside the air flow guide pipe 2 are reduced, the heat transfer area inside the air flow guide pipe 2 is increased through the arrangement of the first heating layers and the second heating layers in the heating assembly, the air can be efficiently and rapidly heated fully, the heat transfer dead angles formed inside the air flow guide pipe 2 can be reduced through the staggered arrangement between the first heating pipes 8 and the second heating pipes 7, the air heating efficiency is more uniform, and the heat exchange efficiency is improved.

As shown in fig. 4, the fixing component 6 includes a protection ring 64 disposed on the first heating pipe 8 and the second heating pipe 7, a connection plate 62 with a rectangular structure is fixedly connected between two adjacent protection rings 64, the connection plates 62 are fixedly connected through a connection ring 61 with a hollow ring structure, and the fixing component 6 is provided with a protection ring 64, a connection plate 62, a connection ring 61, a reinforcing connection rod 63 and a fixing column 9, so that the fixing component 8 and the second heating pipe 7 can be fixedly supported, the connection strength and stability between the first heating layer, the second heating layer and the fixing column 9 are improved, the service life of the electric heating element is greatly prolonged, and meanwhile, the protection ring 64, the connection plate 62, the connection ring 61, the reinforcing connection rod 63 and the fixing column 9 are welded, so that the integral strength of the fixing component 6 is improved.

Wherein, in order to improve the joint strength and stability between first zone of heating, second zone of heating and the fixed column 9, all through a plurality of equidistance between two go-between 61 and the fixed column 9 between strengthening connection rod 63 fixed connection, and strengthening connection rod 63 is rectangular strip structure.

The implementation principle of the air electric heater with high heat exchange efficiency provided by the embodiment of the utility model is as follows: when air enters the air guide pipe 2 from the air inlet pipe 3, the first heating layer and the second heating layer in the air guide pipe 2 can increase the heat transfer area in the air guide pipe 2, so that the air is efficiently and quickly fully heated, meanwhile, the first heating pipes 8 and the second heating pipes 7 in the first heating layer and the second heating layer are arranged in a staggered mode, heat transfer dead angles formed inside the air guide pipe 2 can be reduced, the air is heated more uniformly, the heat exchange efficiency is improved, the fixing support effect can be achieved on the first heating pipes 8 and the second heating pipes 7 through the arrangement of the fixing component 6, namely the protection ring 64, the connecting plate 62, the connecting ring 61, the reinforcing connecting rod 63 and the fixing column 9, the connection strength and the stability between the first heating layers, the second heating layers and the fixing column 9 are improved, and the service life of the electric heating element is greatly prolonged.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides an air electric heater that heat exchange efficiency is high, includes air honeycomb duct (2), be equipped with in air honeycomb duct (2) and install the heating element in air honeycomb duct (2) through flange (1), its characterized in that: one side of the connecting flange (1) is fixedly connected with a fixing column (9) extending along the length direction of the inner cavity of the air guide pipe (2), a heating component is arranged on the outer side of the fixing column (9), and the heating component is connected with the fixing column (9) through a fixing component (6);

the heating assembly comprises a first heating layer formed by a plurality of first heating pipes (8) which are uniformly distributed around the axis of the fixed column (9) as the center of a circle, and a second heating layer formed by a plurality of second heating pipes (7) which are distributed in a diffusion way around the center of the first heating layer is arranged on the outer side of the first heating layer;

the fixing assembly (6) comprises protection rings (64) arranged on the first heating pipe (8) and the second heating pipe (7), a connecting plate (62) is fixedly connected between two adjacent protection rings (64), and the connecting plates (62) are fixedly connected through connecting rings (61).

2. An air electric heater with high heat exchange efficiency according to claim 1, wherein: the bottom of the air guide pipe (2) is provided with a plurality of support columns (5) which are uniformly distributed.

3. An air electric heater with high heat exchange efficiency according to claim 1, wherein: an air inlet pipe (3) and an air outlet pipe (4) which are communicated with the inner cavity of the air guide pipe (2) are respectively arranged at the top and the bottom of the air guide pipe (2).

4. An air electric heater with high heat exchange efficiency according to claim 1, wherein: the first heating pipes (8) and the second heating pipes (7) are U-shaped heating pipes with the same structure, and the first heating pipes (8) and the second heating pipes (7) are arranged in a staggered mode.

5. An air electric heater with high heat exchange efficiency according to claim 1, wherein: the connecting rings (61) and the fixing columns (9) are fixedly connected through a plurality of reinforcing connecting rods (63) which are distributed at equal intervals.