CN204534797U - A kind of folding electric heater of compact conformation - Google Patents

Abstract

The utility model discloses a foldable electric heater with a compact structure, which comprises a base plate and a heating part. The hinged part of the connection; the heating part includes a thermal insulation layer, a heating layer, an insulating layer and a heat dissipation layer arranged in sequence from one side to the other, and the heat dissipation layer is located on the surface of the combination composed of the heating part and the corresponding substrate. The material is aluminum, aluminum alloy or copper, the insulating layer is mica board, and the heating layer is carbon crystal heating material; there is also an angle fixing part between adjacent substrates, and the angle fixing part includes a pull rod, and both ends of the pull rod are provided with threads Holes, threaded rods are fitted with gaps in the threaded holes, and lock nuts are threaded on the threaded rods. The utility model has the advantages of simple structure, convenient storage, convenient realization of centralized baking, and reduction of volume and weight of the electric heater on the basis of increasing the heating surface, and can fix the best use form.

Description

A compact folding electric heater

technical field

The utility model relates to the field of baking devices, in particular to a compact folding electric heater.

Background technique

Electric heaters can provide heat sources to the outside world through radiation and convection, and as a heating device that provides heat quickly, is cheap, and is easy to carry, it is widely used in residences, offices, hotels, shopping malls, hospitals, schools, train carriages, Various civil and public buildings such as simple movable houses. The types of electric heaters widely used in the prior art are electric oil heating heaters, PTC air heaters, electric heating film electric heaters, and the like.

Among them, the electric heating film electric heater is characterized by the fact that the electric heating film itself will not be oxidized during use, small size, light weight, fast heat production speed, and high electric heating efficiency. Its market share is gradually increasing. How to further optimize the electric heating The structure of the membrane electric heater and the enrichment of the functions of the electric heating film electric heater will further promote the further promotion of the electric heating film electric heater.

Utility model content

Aiming at the above-mentioned problem of how to further optimize the structure of the electric heating film electric heater and enrich the functions of the electric heating film electric heater, and further promote the further promotion of the electric heating film electric heater, the utility model provides a compact folding electric heating device.

In order to solve the above problems, a compact folding electric heater provided by the utility model solves the problem through the following technical points: a compact folding electric heater includes a base plate and a heating part, and the base plate is multiple blocks, and each substrate is provided with a heating part, and a hinge part for hinged connection between the adjacent substrates is also provided;

The heat generating parts are respectively embedded in the corresponding substrates. The heat generating parts include a thermal insulation layer, a heat generating layer, an insulating layer and a heat dissipation layer arranged in sequence from one side to the other. On the surface of the combined body, the heat dissipation layer is made of aluminum, aluminum alloy or copper, the insulating layer is a mica plate, and the heating layer is a carbon crystal heating material; The angle fixing part of the angle between the two, the angle fixing part includes a pull rod, the two ends of the pull rod are all provided with threaded holes, at least one end of the threaded hole is a strip-shaped hole along the length direction of the pull rod, and the threaded holes are There are threaded rods in gap fit, and the threaded rods are respectively fixed on a base plate, and locking nuts are threadedly connected to the threaded rods.

Specifically, the installed substrate is used to fix the heating part. In the heating part, the heat insulation layer is the heat-resistant layer, and the heating layer is the heat-generating layer. The carbon crystal heating material is a new electric heating material newly developed in recent years. Materials, which are processed by fillers, stabilizers, adhesives, carbon filaments or carbon powders under certain process conditions, and use carbon atoms after electrification as the heat source. The use of carbon crystal heating material as the heat generating layer not only makes the electrothermal efficiency of the heat generating layer high, but also the carbon crystal heating material is a thin thickness, light weight, long service life, easy to control output power and maximum temperature. The utility model has the characteristics of small overall volume, light weight, easy control of output power, prevention of burns, long service life and the like. At the same time, the mica plate is used as the insulating material between the carbon crystal heating material and the heat dissipation layer. While avoiding the short circuit of the carbon crystal heating material and the insulation between the carbon crystal heating material and the heat dissipation layer, the thermal resistance between the carbon crystal heating material and the heat dissipation layer is small. , which is conducive to heat transfer to the heat dissipation layer to be dissipated to the surrounding space. The material of the heat dissipation layer is further limited to aluminum, aluminum alloy or copper, aiming to obtain a heat dissipation layer with high thermal conductivity and easy access to raw materials. In this way, the use of this form of heat dissipation layer can make each substrate have larger The large heat transfer area and good heat transfer coefficient can prevent the heating layer from being damaged due to local poor heat conduction.

In the utility model, the structural features of setting the substrates into multiple pieces and setting the heating part on each substrate can make the lower ends of the adjacent substrates fall on the same plane during the relative rotation process of the adjacent substrates. above, and the contact point between the lower end and the plane is not on the same straight line, that is, the utility model can stand on the bottom surface or other platforms without the need for brackets or feet, so as to further exert the utility model The new type can be set to be more portable; at the same time, the relative position of adjacent substrates can be adjusted through the rotation of the hinge part, which is convenient for several heating parts to bake the same heating point, which is conducive to further improving the electrothermal efficiency; The relative position of the adjacent base plate can be adjusted through the rotation of the hinge, so that the area of the entire heating surface of the utility model is large when it is unfolded, and the utility model is small in size when it is folded, which is convenient for the storage of the utility model.

The set angle fixing part is used to fix the angle between the two connected substrates. Specifically, when the lock nuts at both ends of the pull rod are loose, the two connected substrates can rotate through the hinge, and when the lock nuts are tightened After being fixed, the compressive stress applied by the locking nut to the tie rod and the base plate is used to fix the angle between the two base plates, so that when the optimal use state is achieved between the base plates, the angle fixing part can fix the base plate The use state of the utility model is beneficial to stabilizing the structure of the utility model, and is beneficial to the utility performance and anti-falling performance of the utility model.

A further technical solution is:

As a simple hinge structure, the hinge is a hinge.

In order to make the utility model more beautiful, at the same time, the heat generated by the heating part is concentrated and dissipated by the heat dissipation layer, which is beneficial to the utilization rate of heat energy. The substrate is a wooden board provided with a groove, and the heating part is embedded in the groove , and the insulation layer is insulation glass fiber cotton, and an isolation layer is also arranged between the insulation layer and the substrate.

Among the above structural features, the substrate of the wooden board has a large thermal resistance, is easy to obtain and is suitable for the existing home environment, and the thermal insulation glass fiber cotton has a good thermal insulation effect and a strong ability to withstand high temperatures. Because the thermal insulation layer, heating layer, insulating layer, and heat dissipation layer are combined into a whole, it is convenient for the disassembly and assembly of the utility model and the compactness of the structure. The temperature difference at each point on the back can avoid deformation of the substrate due to local overheating.

In order to further increase the heat dissipation area of the utility model, a metal mesh is also fixed on the outer side of the heat dissipation layer.

As an easy-to-storage structure, there are three substrates and heating parts, and any two substrates are respectively hinged to the left and right sides of the third substrate through hinges.

In order to further improve the above-mentioned easy-to-storage performance, as two preferred structures, the base plates on both sides of the electric heater are horizontal plates, and the above two base plates are respectively hinged to the front and rear sides of the base plate in the center; The base plates on both sides of the device are horizontal plates, and the left or right side of the central base plate is also provided with a flange protruding relative to the front or rear side of the base plate, and the base plates on both sides are respectively hinged on the central plate. The same side of the base plate, and one of the base plates on both sides is hinged on the flange. Further, the thickness of the flange and the base plate are equal.

The utility model has the following beneficial effects:

1. The structure of the utility model is simple, and the set substrate is used to fix the heating part. In the heating part, the heat insulation layer is set as a heat-resisting layer, and the heating layer is a heat-generating layer. Carbon crystal heating material is used as a heat-generating layer. Not only the electrothermal efficiency of the heat generating layer is high, but also the carbon crystal heating material is thin in thickness, light in weight, long in service life, easy to control the output power and the highest temperature, which can make the utility model have the advantages of small overall volume, low weight Lightweight, easy to control output power, prevent burns, long service life and so on. At the same time, the mica plate is used as the insulating material between the carbon crystal heating material and the heat dissipation layer. While avoiding the short circuit of the carbon crystal heating material and the insulation between the carbon crystal heating material and the heat dissipation layer, the thermal resistance between the carbon crystal heating material and the heat dissipation layer is small. , which is conducive to heat transfer to the heat dissipation layer to be dissipated to the surrounding space. The material of the heat dissipation layer is further limited to aluminum, aluminum alloy or copper, aiming to obtain a heat dissipation layer with high thermal conductivity and easy access to raw materials. In this way, the use of this form of heat dissipation layer can make each substrate have larger The large heat transfer area and good heat transfer coefficient can prevent the heating layer from being damaged due to local poor heat conduction.

2. In the utility model, the structural features of setting the substrates into multiple pieces and setting the heating part on each substrate can make the lower ends of the adjacent substrates fall on the lower end of each substrate during the relative rotation process of the utility model. On the same plane, and the contact point between the lower end and the plane is not on the same straight line, even if the utility model does not need supports or feet, the utility model can stand on the bottom surface or other platforms, and further develop The utility model can be set to be more portable; at the same time, the relative position of adjacent substrates can be adjusted through the rotation of the hinge part, which is convenient for several heating parts to bake the same heating point, which is conducive to further improving the electrothermal efficiency The relative position of adjacent substrates can be adjusted through the rotation of the hinge, so that the utility model has a large area of the entire heating surface when it is unfolded, and the utility model is small in volume when it is folded, which is convenient for the storage of the utility model.

3. The angle fixing part is used to fix the angle between the two connected substrates. Specifically, when the lock nuts at both ends of the pull rod are loose, the two connected substrates can be rotated through the hinge part, and the lock nuts After the cap is fastened, the compressive stress exerted by the locking nut on the tie rod and the base plate is used to fix the angle between the two base plates, so that when the base plate is in the best state of use, the angle fixing part can Fixing the use state of the utility model is beneficial to stabilizing the structure of the utility model, and is beneficial to the utility model's use performance and anti-falling performance.

Description of drawings

Fig. 1 is a structural schematic diagram of a specific embodiment of a compact folding electric heater described in the present invention;

Fig. 2 is a cross-sectional view of a substrate and a heating part of a specific embodiment of a compact folding electric heater described in the present invention;

Fig. 3 is a structural schematic diagram of an angle fixing part in a specific embodiment of a compact folding electric heater according to the present invention.

The marks in the figure are: 1. Base plate, 11. Flange, 2. Hinge part, 3. Heating part, 31. Isolation layer, 32. Insulation layer, 33. Heating layer, 34. Insulation layer, 35. Heat dissipation layer, 36, metal mesh, 4, angle fixing part, 41, pull rod, 42, locking nut, 43, threaded rod.

Detailed ways

The utility model provides a compact foldable electric heater, which is used for how to further optimize the structure of the electric heating film electric heater and enrich the functions of the electric heating film electric heater, and further promote the further promotion of the electric heating film electric heater The problem. Below in conjunction with embodiment the utility model is described in further detail, but the utility model is not limited to the following examples:

Example 1:

As shown in Figures 1 to 3, a compact foldable electric heater includes a substrate 1 and a heating part 3, the substrate 1 is a plurality of pieces, and each substrate 1 is provided with a heating part 3, which is relatively A hinge part 2 for hinged connection between the adjacent substrates 1 is also provided;

The heating part 3 is respectively embedded in the corresponding substrate 1, and the heating part 3 includes a thermal insulation layer 32, a heating layer 33, an insulating layer 34 and a heat dissipation layer 35 arranged in sequence from one side to the other, and the heat dissipation layer 35 Located on the surface of the assembly composed of the heating part 3 and the corresponding substrate 1, the heat dissipation layer 35 is made of aluminum, aluminum alloy or copper, the insulating layer 34 is a mica plate, and the heating layer 33 is a carbon crystal heating material; an angle fixing part 4 for fixing the included angle of the two is also provided between adjacent substrates 1, and the angle fixing part 4 includes a pull rod 41, and both ends of the pull rod 41 are provided with threaded holes, at least one The threaded hole at the end is a bar-shaped hole along the length direction of the pull rod 41, and threaded rods 43 are fitted in the threaded holes with clearance. Nut 42.

In this embodiment, the substrate 1 provided is used to fix the heating part 3. In the heating part 3, the thermal insulation layer 32 provided is a heat-resistant layer, and the heating layer 33 is a heat-generating layer. Carbon crystal heating material is used as a heat-generating layer. layer, not only makes the heat generating layer have high electrothermal efficiency, but also the carbon crystal heating material is thin in thickness, light in weight, long in service life, easy to control in output power and maximum temperature, which can make the utility model have a small overall volume , light weight, easy to control output power, prevent burns, long service life and so on. Simultaneously, adopt mica plate as the insulating material of carbon crystal heating material and heat dissipation layer 35, while realizing avoiding carbon crystal heating material by short circuit and carbon crystal heating material and heat dissipation layer 35 insulation, between carbon crystal heating material and heat dissipation layer 35 The thermal resistance is small, which facilitates the transfer of heat to the heat dissipation layer 35 for dissipating to the surrounding space. The material of the heat dissipation layer 35 is further limited to aluminum, aluminum alloy or copper, aiming to obtain a heat dissipation layer 35 with high thermal conductivity and easy access to raw materials. In this way, using this form of heat dissipation layer 35 can make each substrate 1 Both have a larger heat transfer area, and a good heat transfer coefficient can prevent the heating layer 33 from being damaged due to poor heat conduction locally.

In this embodiment, the structural features of setting the base plate 1 into multiple pieces and setting the heating part 3 on each base plate 1 can make the lower end of each base plate 1 of the present utility model All fall on the same plane, and the contact point between the lower end and the plane is not on the same straight line, that is, the utility model can stand on the bottom surface or other platforms without the need for brackets or feet , take further advantage of the feature that the utility model can be set to be more portable; at the same time, the relative position of the adjacent substrate 1 can be adjusted through the rotation of the hinge part 2, which is convenient for the centralized baking of several heating parts 3 on the same heating point. It is conducive to further improving the electrothermal efficiency; the relative position of adjacent substrates 1 can be adjusted through the rotation of the hinge part 2, so that the utility model has a large area of the entire heating surface when it is unfolded, and the utility model is small in volume when it is folded, which is convenient for this utility model. Utility model storage.

The provided angle fixing part 4 is used to fix the angle between the two connected substrates 1. Specifically, when the locking nuts 42 at both ends of the pull rod 41 are loosened, the connected two substrates 1 can be rotated through the hinge part 2, After the lock nut 42 is tightened, the compressive stress applied by the lock nut 42 between the pull rod 41 and the base plate 1 is used to fix the angle between the two base plates 1, so that the optimum pressure between the base plates 1 can be achieved. During the use state of the utility model, the use state of the utility model can be fixed by the angle fixing part 4, which is conducive to stabilizing the structure of the utility model, and is beneficial to the usability and anti-fall performance of the utility model.

Example 2:

This embodiment is further limited on the basis of Embodiment 1. As shown in FIG. 1 to FIG. 3 , as a simple hinge part 2 structure, the hinge part 2 is a hinge.

In order to make the utility model more beautiful, at the same time, the heat generated by the heating part 3 is concentrated and dissipated by the heat dissipation layer 35, which is beneficial to the utilization rate of heat energy. The substrate 1 is a wooden board provided with grooves, and the heating part 3 is embedded in the In the above-mentioned groove, and the insulating layer 32 is insulating glass fiber cotton, and an isolation layer 31 is also arranged between the insulating layer 32 and the substrate 1 .

Among the above structural features, the substrate 1 made of wooden boards has a large thermal resistance, is easy to obtain and is suitable for the existing home environment, and the thermal insulation glass fiber cotton has a good thermal insulation effect and a strong ability to withstand high temperatures. The isolation layer 31 is used to combine the insulation layer 32, the heating layer 33, the insulating layer 34, and the heat dissipation layer 35 into a whole, which is convenient for the disassembly and the compactness of the structure of the utility model. The preferred isolation layer 31 is a metal plate, so that the isolation layer 31 not only has high strength, but also can even out the temperature difference at each point on the back of the insulation layer 32, which can avoid deformation of the substrate 1 due to local overheating.

In order to further increase the heat dissipation area of the present invention, a metal mesh 36 is fixed on the outer side of the heat dissipation layer 35 .

Example 3:

This embodiment is further limited on the basis of Embodiment 1. As shown in Figures 1 to 3, as a structure that is easy to accommodate, the number of the substrate 1 and the heating part 3 are three, and any two The base plate 1 is respectively hinged to the left and right sides of the third base plate 1 through the hinge portion 2 .

In order to further improve the above-mentioned easy-to-storage performance, as two preferred structures, the substrates 1 on both sides of the electric heater are horizontal plates, and the above two substrates 1 are respectively hinged to the front and rear sides of the central substrate 1; The base plates 1 on both sides of the electric heater are horizontal plates, and the left or right side of the central base plate 1 is also provided with a flange 11 protruding relative to the front or rear side of the base plate 1. The base plates 1 are respectively hinged on the same side of the central base plate 1 , and one of the base plates 1 on both sides is hinged on the flange 11 . Further, the thickness of the flange 11 and the base plate 1 are equal.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be determined that the specific embodiments of the utility model are only limited to these descriptions. For those of ordinary skill in the technical field to which the utility model belongs, other implementation modes obtained without departing from the technical solution of the utility model shall be included in the protection scope of the utility model.

Claims (8)

1. the folding electric heater of a compact conformation, comprise substrate (1) and heating part (3), it is characterized in that, described substrate (1) is polylith, and every block substrate (1) is provided with heating part (3), be also provided with the articulated section (2) be articulated and connected for both between adjacent substrate (1);

Described heating part (3) is embedded in corresponding substrate (1) respectively, heating part (3) comprises the heat-insulation layer (32), heating layer (33), insulating barrier (34) and the heat dissipating layer (35) that are set gradually to another by its side, described heat dissipating layer (35) is positioned on the surface of the assembly be made up of heating part (3) and counterpart substrate (1), the material of described heat dissipating layer (35) is aluminium, aluminium alloy or copper, described insulating barrier (34) is micarex, and described heating layer (33) is carbon crystal heat material;

The angle fixed part (4) for both angle angles fixing is also provided with between adjacent substrate (1), described angle fixed part (4) comprises pull bar (41), the two ends of described pull bar (41) are provided with screwed hole, the screwed hole of one end is had at least to be bar hole along pull bar (41) length direction, in screwed hole, equal matched in clearance has threaded rod (43), described threaded rod (43) is separately fixed on one piece of substrate (1), and lock nut (42) that threaded rod (43) has all been threaded.

2. the folding electric heater of a kind of compact conformation according to claim 1, is characterized in that, described articulated section (2) are hinge.

3. the folding electric heater of a kind of compact conformation according to claim 1, it is characterized in that, described substrate (1) is for arranging reeded plank, heating part (3) is embedded in described groove, and heat-insulation layer (32) is heat preservation fibre glass cotton, between heat-insulation layer (32) and substrate (1), be also provided with separation layer (31).

4. the folding electric heater of a kind of compact conformation according to claim 1, is characterized in that, the outside of described heat dissipating layer (35) is also fixed with wire netting (36).

5. the folding electric heater of a kind of compact conformation according to claim 1, it is characterized in that, the quantity of described substrate (1) and heating part (3) is three, and any two substrates (1) are articulated with the left and right sides of the 3rd piece of substrate (1) respectively by articulated section (2).

6. the folding electric heater of a kind of compact conformation according to claim 5, is characterized in that, the substrate (1) being in electric heater both sides is level board, and above two substrates (1) are articulated with front side and the rear side of the substrate (1) being in central authorities respectively.

7. the folding electric heater of a kind of compact conformation according to claim 5, it is characterized in that, the substrate (1) being in electric heater both sides is level board, and be positioned on the left side of substrate (1) of central authorities or right side and be also provided with the flange (11) protruded relative to this substrate (1) front side or rear side, the substrate (1) being in both sides is articulated with the homonymy of the substrate (1) being in central authorities respectively, and wherein one piece of substrate (1) being in both sides is articulated with on described flange (11).

8. the folding electric heater of a kind of compact conformation according to claim 7, is characterized in that, the thickness uniform thickness of described flange (11) and substrate (1).