Far infrared heating plate with uniform temperature

Abstract

The utility model discloses a far infrared heating plate with uniform temperature, which comprises a heating chamber used for shielding the heating plate, a mica plate is horizontally arranged in the heating chamber, heating foils are fixedly adhered to the upper surface and the lower surface of the mica plate, and the heating foils are arranged in the heating chamber. Heating resistance wires are non-uniformly arranged on the surface of one side, facing the mica plate, of the heating foil; according to heat radiation in the technical scheme, the characteristic that the far infrared coating converts heat energy into radiation energy at high temperature is utilized, high temperature emitted by the heating foil is conducted out in a heat radiation mode, so that a non-contact object is heated, and the graphite plate enables the temperature to be conducted more evenly.

Description

TECHNICAL FIELD

[0001] The utility model relates to heating device technical field, concretely relates to a far infrared heating plate of temperature uniformity. BACKGROUND

[0002] Battery electrode coating refers to through a series of chemical and physical processes, active material is evenly coated on the electrode surface, to realize the high efficient energy conversion and storage of battery, and baking drying is needed to coating in the battery electrode coating production process, but the heated object cannot directly contact the heating plate in the actual processing operation process, and the heat needs to be transmitted to the heated object through the far infrared radiation mode to realize the drying of coating.

[0003] But the current far infrared radiation equipment still exposes some problems in the use process, the current heat transfer mode has conduction, convection and radiation, the mica (PI) mica plate using metal as a heating body adopts metal heating wire resistance, and the electric energy is converted into heat energy, the temperature uniformity of this kind of mica plate is good, and most of the energy is transmitted in the form of conduction and convection, but the radiation rate is poor.

[0004] And the traditional far infrared plate uses a material that can excite far infrared wavelength as a heat source, and most of the heat energy is transmitted in the form of far infrared radiation, but the temperature uniformity of the mica plate is poor, the electrode coating is unevenly heated, and the rapid drying of the electrode coating is affected.

[0005] In view of the problems exposed in the use process of the current heating plate, it is necessary to improve and optimize the structure of the heating plate. CONTENT OF THE UTILITY MODEL

[0006] To solve the above technical problems, the utility model provides a far infrared heating plate of temperature uniformity, which has the characteristics of uniform drying of coating.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a far infrared heating plate of temperature uniformity, which comprises a heating chamber for shielding the heating plate, a mica plate horizontally arranged inside the heating chamber, a heating foil fixedly arranged on the upper and lower surfaces of the mica plate, and a heating resistance wire arranged on one side surface of the heating foil facing the mica plate.

[0008] A graphite plate is arranged above the mica plate, far infrared coating layers are arranged on the upper and lower surfaces of the graphite plate, a glass plate is arranged above the graphite plate, and a workpiece to be heated can be transferred to the upper side of the glass plate by an external conveying device and uniformly heated.

[0009] As a preferred technical scheme of the far infrared heating plate of temperature uniformity of the utility model, a heat preservation cotton layer is arranged below the mica plate in the interior of the heating chamber.

[0010] As an even temperature far infrared heating plate preferred technical scheme of the utility model, the heat preservation cotton layer and glass board all adopt microcrystalline glass board component.

[0011] As an even temperature far infrared heating plate preferred technical scheme of the utility model, the graphite board thickness is 0.1MM-1MM.

[0012] As an even temperature far infrared heating plate preferred technical scheme of the utility model, the mica board is plate component, the metal resistance wire of mica board side is unevenly arranged, and the metal resistance wire is electrically connected with the outside.

[0013] The heating plate is insulated by high insulation strength high temperature resistant mica board, and compared with the far infrared microcrystalline glass heating plate of the prior art, the insulation strength is high, the microcrystalline glass is low above 120 degrees in temperature insulation strength, and the insulation performance of the microcrystalline glass is kept stable above 120 degrees through the technical scheme.

[0014] Compared with the prior art, the utility model has the beneficial effects that: the radiation in the technical scheme is coated with far infrared radiation paint on the surface of the mica board, and the characteristics of the far infrared coating are used to convert heat energy into radiation energy at high temperature. The high temperature emitted by the resistance wire is converted into far infrared rays by the infrared coating, and the heat energy is transmitted to the determined direction, so that the effect of uniformly heating the heated object is achieved.

[0015] The metal resistance wire in the technical scheme keeps uneven arrangement, the staff can adjust the power of different resistance wires, and then the heat radiation of different areas in the heating chamber is fine-tuned, so that the heat is kept uniform when transmitting to the glass plate, and the battery electrode coating drying is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to specific embodiments and in combination with the drawings.

[0017] Figure 1 It is a cross-sectional structure schematic view of the heating plate of the utility model;

[0018] In the drawing: 1, far infrared coating; 2, graphite plate; 3, glass plate; 4, mica plate; 5, heating foil; 6, heating chamber; 7, heat preservation cotton layer. DETAILED DESCRIPTION

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0020] like Figure 1 As shown, the present invention discloses a far-infrared heating plate with uniform temperature, including a heating chamber 6 for covering the heating plate. A mica plate 4 is horizontally arranged inside the heating chamber 6. Heating foils 5 are glued and fixed on both the upper and lower surfaces of the mica plate 4. Heating resistance wires are arranged on the side of the heating foil 5 facing the mica plate 4.

[0021] A graphite plate 2 is placed above the mica plate 4. Both the upper and lower surfaces of the graphite plate 2 are coated with far-infrared coating 1. A glass plate 3 is placed above the graphite plate 2. The workpiece to be heated can be transferred to the glass plate 3 by an external conveying device and heated evenly.

[0022] Specifically, an insulation layer 7 is provided below the mica plate 4 inside the heating chamber 6. In this embodiment, the insulation layer 7 also uses a microcrystalline glass plate structure, which can effectively prevent heat loss.

[0023] Specifically, both the insulation layer 7 and the glass plate 3 use microcrystalline glass plate components. The design of the microcrystalline glass plate can effectively facilitate the uniform conduction of heat, and thus facilitate the transfer of heat to the far-infrared coating, and facilitate the reflection of thermal radiation.

[0024] Specifically, the thickness of graphite plate 2 is 0.1MM-1MM. In this embodiment, the thinner graphite plate 2 is more conducive to the uniform distribution of heat.

[0025] Specifically, the mica plate 4 is a plate-shaped component, and the metal resistance wires on the side of the mica plate 4 are not uniformly arranged. The metal resistance wires are electrically connected to the outside world. In this embodiment, the mica plate 4 is a sheet-shaped component, and multiple metal resistance wires on its side can be arranged horizontally and uniformly, which makes it easier to adjust the heat distribution layout inside the heating chamber 6.

[0026] The working principle and use process of the utility model: the technical scheme in the utility model uses the process that the staff transfers the workpiece to be heated to the glass plate 3 above through the external conveying equipment and is heated evenly, the mica plate 4 insulates and protects the heating foil 5 in the process of temperature rise, the graphite plate 2 can make the heat radiation keep uniform when passing, the side surface of the graphite plate 2 has the far infrared coating 1, is used to reflect the heat radiation, makes the inside of the heating chamber 6 keep temperature consistent, effectively facilitates the uniform heating of the workpiece to be heated.

[0027] The above only is the preferred scheme of the utility model, is not as the further limitation to the utility model, all kinds of equivalent changes that utilize the utility model specification and the drawing contents make are within the protection scope of the utility model.

Claims

1. A far infrared heating plate with uniform temperature, comprising a heating chamber (6) for shielding the heating plate, characterized in that: The interior of the heating chamber (6) is horizontally provided with a mica plate (4), the upper and lower surfaces of the mica plate (4) are both fixedly provided with a heating foil (5), and the side surface of the heating foil (5) facing the mica plate (4) is provided with heating resistance wires; the upper surface of the mica plate (4) is provided with a graphite plate (2), the upper and lower surfaces of the graphite plate (2) are both provided with a far-infrared coating (1), the upper surface of the graphite plate (2) is provided with a glass plate (3), and the workpiece to be heated can be transferred to the upper surface of the glass plate (3) by an external conveying device and is uniformly heated.

2. The temperature-uniform far-infrared heating plate according to claim 1, characterized in that: The lower surface of the mica plate (4) is provided with a heat preservation cotton layer (7) in the interior of the heating chamber (6).

3. The temperature-uniform far-infrared heating plate according to claim 2, characterized in that: The heat preservation cotton layer (7) and the glass plate (3) both adopt microcrystalline glass plate components.

4. The temperature-uniform far-infrared heating plate according to claim 1, characterized in that: The thickness of the graphite plate (2) is 0.1mm-1mm.

5. The temperature-uniform far-infrared heating plate according to claim 1, characterized in that: The mica plate (4) is a plate-shaped component, the metal resistance wires on the side surface of the mica plate (4) are unevenly arranged, and the metal resistance wires are electrically connected with the outside.

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