CN211372584U - Indoor far infrared radiation convection integrated electric heater - Google Patents

Abstract

The utility model discloses an indoor far infrared radiation convection integrated electric heater, which comprises a shell and a heating body arranged in the shell, wherein the upper end of the shell is provided with an air outlet, the lower end of the shell is provided with an air inlet, the air outlet and the air inlet are arranged in a staggered way, and a plurality of small holes are arranged on the front side plate of the shell; an air adjusting plate capable of adjusting the inclination angle is arranged at the air outlet, and a filter screen is arranged at the air inlet; a fan is arranged in the shell close to the air inlet; the heating body comprises a mica sheet, an anode copper sheet, a cathode copper sheet and a power adapter, wherein a graphene coating is arranged on the mica sheet through a meteorological precipitation method, the anode copper sheet and the cathode copper sheet are arranged on the graphene coating in parallel, and the anode copper sheet and the cathode copper sheet are communicated with the power supply through the power adapter.

Description

An indoor far-infrared radiation convection integrated electric heater

technical field

The utility model relates to an indoor far-infrared radiation convection integrated electric heater, which belongs to the technical field of indoor heating equipment.

Background technique

A heater is a device used for heating. There are many kinds of heaters. The most common electric heater is a heating device that uses electricity as energy for heating and heating. It can also be called electric heating. In recent years, the use of electric heating water for heating has gradually emerged. and gas heating.

The existing radiation convection integrated heater adopts alloy strip mica plate, but it has the following shortcomings:

First, the far-infrared content is low, and the thermal radiation range is small;

Second, there is a gap between the alloy wire and the mica plate, which causes the alloy strip to be easily oxidized after contacting with air, which seriously affects its service life;

Third, the plane generates heat, the convective replacement area is limited, and the convective heat transfer efficiency is low.

Utility model content

The purpose of the utility model is to provide an indoor far-infrared radiation convection integrated electric heater, which has the advantages of large far-infrared heat generation and wide thermal radiation range, and at the same time, can effectively improve the efficiency of heat exchange.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

An indoor far-infrared radiation convection integrated electric heater, comprising a casing and a heating element arranged inside the casing, an air outlet is arranged at the upper end of the casing, an air inlet is arranged at the lower end of the casing, and the air outlet is It is dislocated from the air inlet, and a number of small holes are arranged on the front side plate of the casing; wherein, the air outlet is provided with an air regulating plate with an adjustable inclination angle, and the air inlet is provided with a filter screen; the casing is close to the air inlet A fan is provided at the place; the heating body includes a mica sheet, a positive copper sheet, a negative copper sheet, and a power adapter, and a layer of graphene coating is provided on the mica sheet by a meteorological precipitation method, and the positive and negative copper sheets are parallel. It is arranged on the graphene coating, and the positive electrode copper sheet and the negative electrode copper sheet are communicated with the power supply through the power adapter; after the positive electrode copper sheet and the negative electrode copper sheet are arranged on the graphene coating, they are coated with temperature-resistant glue. An isolation layer is formed; the mica sheet is provided with a heat dissipation assembly on the side opposite to the graphene coating, and the heat dissipation assembly includes a plurality of aluminum fins, and the aluminum fins are bonded to the mica sheet by temperature-resistant glue.

Wherein, the aluminum fins are bonded on the mica sheet in an array manner.

Further optimization, the plurality of aluminum fins are evenly divided to form a plurality of heat dissipation units, and the plurality of heat dissipation units are arranged on the mica sheet in order from top to bottom. The gaps between the aluminum fins in each heat dissipation unit are the same, and the adjacent heat dissipation units The aluminum fins in the

Further optimization, the cross-section of the aluminum fin is in the shape of a triangle with one large end and one small end, the large end of the aluminum fin facing the air outlet, and the small end facing the air inlet.

Further optimization, the heat dissipation assembly also includes a heat insulation plate, the heat insulation plate is connected at the end of each aluminum fin, a heat dissipation area is formed between the mica sheet and the heat insulation plate, and a heat dissipation channel is formed between the aluminum fins .

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

The utility model can increase the far-infrared content, increase the range of thermal radiation, and achieve better heating effect; at the same time, the positive and negative electrode copper sheets and the graphene coating are coated with temperature-resistant glue to form an isolation layer, which can effectively Avoid rusting of the positive and negative copper sheets in contact with the air, and more importantly, coat the graphene coating through the formed isolation layer, which can effectively prevent the graphene coating from falling off, and can effectively improve the service life of the utility model; More importantly, the heat dissipation area and heat dissipation channel formed by the arranged aluminum fins and the heat insulation plate can effectively increase the heat exchange area, improve the efficiency of convection heat exchange, and shorten the heating time.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic diagram of the overall structure of the heating body according to the present invention.

FIG. 2 is a schematic diagram of the connection relationship between the positive and negative copper sheets and the power adapter according to the present invention.

Figure 3 is a schematic diagram of the overall structure of the utility model.

Figure 4 is an overall cross-sectional view of the utility model.

FIG. 5 is a schematic diagram of the positional relationship between the aluminum fin and the mica sheet according to the present invention.

Reference numerals: 1 shell, 2 air outlet, 3 small hole, 4 mica sheet, 5 positive copper sheet, 6 negative copper sheet, 7 power adapter, 8 graphene coating, 9 isolation layer, 10 aluminum fin, 11 Heat dissipation unit, 12 heat dissipation areas, 13 heat dissipation channels, 14 heat insulation boards.

Detailed ways

The present invention will be further described below with reference to the embodiments. The described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other used embodiments obtained by those of ordinary skill in the art without creative work all belong to the protection scope of the present invention.

Example 1

1-4, an indoor far-infrared radiation convection integrated electric heater includes a casing 1 and a heating element arranged inside the casing 1. The upper end of the casing 1 is provided with an air outlet 2, and the casing 1. The lower end is provided with an air inlet, the air outlet 2 and the air inlet are dislocated, and a number of small holes 3 are arranged on the front side plate of the housing 1; wherein, the air outlet 2 is provided with an air regulating plate with an adjustable inclination angle , a filter screen is arranged at the air inlet; a fan is arranged in the casing 1 near the air inlet; the heating body includes a mica sheet 4, a positive copper sheet 5, a negative copper sheet 6 and a power adapter 7. A layer of graphene coating 8 is provided by the meteorological precipitation method, and the positive electrode copper sheet 5 and the negative electrode copper sheet 6 are arranged in parallel on the graphene coating 8, and the positive electrode copper sheet 5 and the negative electrode copper sheet 6 pass through the power adapter 7. Connected with the power supply; after the positive electrode copper sheet 5 and the negative electrode copper sheet 6 are arranged on the graphene coating 8, an isolation layer 9 is formed after being coated with a temperature-resistant glue; the mica sheet 4 is connected with the graphene coating A heat dissipation assembly is provided on the opposite side of the 8th direction, and the heat dissipation assembly includes a plurality of aluminum fins 10, and the aluminum fins 10 are bonded to the mica sheet 4 by temperature-resistant glue.

Wherein, the aluminum fins 10 are bonded to the mica sheet 4 in an array manner.

It should be noted that the air outlet 2 is provided with an air regulating plate with an adjustable inclination angle. There are multiple air regulating plates, and each air regulating plate is rotated and installed on the housing 1 through a rotating shaft. There is a toothed belt pulley on each of them, and each toothed belt pulley is connected by a toothed belt. After one of the rotating shafts extends out of the casing 1, a hand wheel is arranged at its end.

In this way, in actual use, the rotating shaft can be driven to rotate by rotating the handwheel. Under the action of the toothed belt, each rotating shaft rotates synchronously, so that each air regulating plate rotates synchronously to achieve the purpose of adjustment, which is convenient for Control the direction of the hot air.

It should be noted that, in actual use, the air regulating plate can also be set by means of shutters.

When in use, after the positive electrode copper sheet 5 and the negative electrode copper sheet 6 are energized, the graphene coating 8 generates heat and radiates to the outside. Compared with the traditional alloy heating material, it can effectively enhance the far-infrared heat generation and can effectively increase the radiation. And, under the action of the fan, the cold air enters the casing 1 from the air inlet at the lower end of the casing 1, and then exchanges heat with the aluminum fins 10, and discharges the heat on the aluminum fins 10 from the air outlet 2, setting The aluminum fins 10 can effectively increase the area of heat exchange, so that the utility model can not only heat the room by means of heat radiation, but also further heat the room by means of heat exchange through the aluminum fins 10. The indoor heating time can be effectively shortened, and at the same time, the heat on the mica sheet 4 can be rapidly dissipated, so as to prevent the mica sheet 4 from being overheated and cause damage to internal components, thereby effectively improving the service life of the present invention. More importantly, by using the temperature-resistant glue to coat the positive and negative electrode copper sheets 6 and the graphene coating 8, a separation layer 9 is formed, which can effectively prevent the positive and negative electrode copper sheets 6 from contacting with air and rusting, More importantly, the graphene coating 8 is covered by the formed isolation layer 9, which can effectively prevent the graphene coating 8 from falling off, and further effectively improve the service life of the present invention.

Example 2

This embodiment is further optimized on the basis of Embodiment 1. In this embodiment, the plurality of aluminum fins 10 are evenly divided to form a plurality of heat dissipation units 11, and the plurality of heat dissipation units 11 are arranged in sequence from top to bottom in the On the mica sheet 4 , the gaps between the aluminum fins 10 in each heat dissipation unit 11 are the same, and the aluminum fins 10 in the adjacent heat dissipation units 11 are arranged in a staggered position.

In actual use, the number of the heat dissipation units 11 can be determined according to the size of the mica sheet 4 .

Wherein, the gap between the aluminum fins 10 in each heat dissipation unit 11 is 0.5-1 cm, and in this embodiment, the gap between the aluminum fins 10 in each heat dissipation unit 11 is 0.8 cm; in this way, the aluminum fins are The gap between the sheets 10 will not be too large or too small. If the gap is too large, the heat dissipation efficiency will be reduced, that is, the heat exchange area will be reduced; if the gap is too small, although the heat exchange area will increase, but It will affect the air flow; therefore, the gap between the aluminum fins 10 is guaranteed to be 0.5-1 cm, which can ensure that the heat exchange efficiency will not affect the air flow.

When the air enters the housing 1 and performs heat exchange, the aluminum fins 10 in the adjacent heat dissipation units 11 are dislocated. The aluminum fins 10 in the heat dissipation unit 11 are cut and split, that is, when the air flows through the gaps between the aluminum fins 10, the air close to the aluminum fins 10 is heated, causing the air on both sides of the gap between the aluminum fins 10 to be heated. The temperature is high, and the intermediate temperature is low; and the aluminum fins 10 in the adjacent heat dissipation units 11 are dislocated, and when the air passes through the gaps between the aluminum fins 10 in the next heat dissipation unit 11, it will be divided, thereby making the air temperature higher. The lower part exchanges heat with the aluminum fins 10. In this way, after the air flows through each heat dissipation unit 11 in turn, it will be fully heated. At this time, the aluminum fins 10 can not only achieve the purpose of heat exchange, but also achieve The purpose of stirring the air is to improve the heat exchange efficiency.

Example 3

Referring to FIG. 5 , this embodiment is further optimized on the basis of Embodiment 2. In this embodiment, the cross-section of the aluminum fins 10 is in the shape of a triangle with one end large and one end small, and the large end of the aluminum fins 10 faces the air outlet 2 . The small end faces the air inlet.

In this way, the gap formed by the adjacent aluminum fins 10 can be formed into a structure with a large front end and a small rear end. When the air flows to the rear end of the aluminum fins 10, the flow velocity is faster, which is convenient for air mixing; The section of the sheet 10 is a triangle with one large end and one small end, and the hypotenuse of the triangle also increases the heat exchange area and reduces the wind resistance when the air flows.

Example 4

This embodiment is further optimized on the basis of Embodiment 2 or 3. In this embodiment, the heat dissipation assembly further includes a heat insulation plate 14, and the heat insulation plate 14 is connected to the end positions of the aluminum fins 10. , a heat dissipation area 12 is formed between the mica sheet 4 and the heat insulation plate 14 , and a heat dissipation channel 13 is formed between the aluminum fins 10 .

In this way, the air that will enter the shell 1 will be divided into two parts, one part will pass through the heat dissipation area 12 for rapid heat exchange, and the other part will enter between the heat insulation board 14 and the shell 1 to take away the heat in this area, The disposition of the heat insulating plate 14 can also effectively prevent most of the heat from being transferred to the casing 1 , can effectively reduce the temperature of the back of the upper casing 1 , prevent the heat from being transferred to the cavity, and reduce heat loss.

Wherein, the direction of the arrow in Fig. 5 of the description is the movement direction of the air under the action of the fan.

While the preferred embodiments of the present invention have been described, additional changes and modifications to these embodiments may occur to those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of this invention. The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. It should be pointed out that any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention, etc., All should be included within the protection scope of the present invention.

Claims (4)

1. The utility model provides an indoor integrative electric room heater of far infrared radiation convection that uses, includes the casing and sets up the heat-generating body in the casing is inside, its characterized in that: an air outlet is formed in the upper end of the shell, an air inlet is formed in the lower end of the shell, the air outlet and the air inlet are arranged in a staggered mode, and a plurality of small holes are formed in the front side plate of the shell; wherein, the air outlet is provided with an air adjusting plate with adjustable inclination angle, and the air inlet is provided with a filter screen; a fan is arranged in the shell close to the air inlet; the heating body comprises a mica sheet, an anode copper sheet, a cathode copper sheet and a power adapter, wherein a graphene coating is arranged on the mica sheet by a meteorological precipitation method, the anode copper sheet and the cathode copper sheet are arranged on the graphene coating in parallel, and the anode copper sheet and the cathode copper sheet are communicated with a power supply through the power adapter; after the positive copper sheet and the negative copper sheet are arranged on the graphene coating, an isolation layer is formed after the positive copper sheet and the negative copper sheet are coated by temperature-resistant glue; and a heat dissipation assembly is arranged on one side of the mica sheet opposite to the graphene coating, the heat dissipation assembly comprises a plurality of aluminum fins, and the aluminum fins are bonded on the mica sheet through temperature-resistant glue.

2. The far infrared radiation convection integrated electric heater for indoor use of claim 1, wherein: the aluminum fins are bonded to the mica sheet in an array.

3. The far infrared radiation convection integrated electric heater for indoor use of claim 1, wherein: a plurality of heat dissipation units are formed after the aluminum fins are equally divided, the heat dissipation units are sequentially arranged on the mica sheets from top to bottom, gaps among the aluminum fins in each heat dissipation unit are the same, and the aluminum fins in adjacent heat dissipation units are arranged in a staggered mode.

4. The far infrared radiation convection integrated electric heater for indoor use according to claim 3, characterized in that: the cross section of the aluminum fin is in a triangular shape with one large end and one small end, the large end of the aluminum fin faces the air outlet, and the small end of the aluminum fin faces the air inlet.

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