Efficient energy-saving uniform oven

By combining the concave oven shell with the heating element, and using carbon fiber, graphene, or microcrystalline heating elements for heating, the problems of low heating efficiency and poor uniformity in existing baking equipment are solved, resulting in a high-efficiency, energy-saving, and uniform oven product.

CN224465516UActive Publication Date: 2026-07-07CHENGDU CHENYIXUAN TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHENGDU CHENYIXUAN TECH CO LTD
Filing Date
2025-08-08
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing baking equipment has low heating efficiency and poor heating uniformity, which cannot meet the requirements of high-precision spray printing.

Method used

The oven shell with a concave structure is combined with the heating body. The heat from the heating body is collected and concentrated through the oven shell, and heating is achieved by using carbon fiber, graphene or microcrystalline heating elements to achieve single-sided or double-sided heating.

Benefits of technology

It improves heating efficiency and temperature stability, enabling rapid start-up and uniform heating, meeting the needs of high-precision spray printing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to oven technical field, propose a kind of efficient energy-saving uniform oven, comprising: at least one heating unit, the heating unit includes oven shell and heating main body.The utility model is formed by the heating cavity of the recess structure in at least one heating unit oven shell, heating main body is arranged between oven shell and heated object, drives oven shell to gather and centrally conducts the heat output by heating main body to heated object, avoid heating main body non-adjacent side heat dissipation, substantially improve heating efficiency, with faster baking environment start-up speed, by the configuration of heating main body and oven shell concave structure can maximize avoid the influence of environment on baking temperature stability and uniformity.Meanwhile, the utility model provides the oven structure of two technical routes of single-side baking and double-side baking, proposes solution for the demand of different spraying printing scene, realizes efficient, energy-saving, uniform integrated oven product.
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Description

Technical Field

[0001] This utility model relates to the field of oven technology, and in particular to a high-efficiency, energy-saving, and uniformly heating oven. Background Technology

[0002] In the field of inkjet printing technology, the core principle is to precisely spray ink onto the surface of various substrates through a printhead to form the desired patterns, colors, or information. The baking process, as a crucial step in this process, plays a key role in drying and curing the ink adhering to the substrate. It directly affects the bonding strength between the ink and the substrate, color stability, and the durability of the final product, making it one of the core processes for ensuring inkjet printing quality.

[0003] However, the baking equipment widely used in the industry currently has many obvious shortcomings. These devices mostly use wire heating, which not only has low heating efficiency, resulting in a slow start-up of the baking environment and difficulty in quickly reaching the stable temperature required by the process; but also poor heating uniformity, easily causing inconsistent ink drying effects and affecting the quality of the finished product. More importantly, the heat utilization of existing heating elements is severely limited: only heat from one side can be effectively utilized, while heat from the other side is completely dissipated. This not only significantly reduces heating efficiency but also makes it difficult to guarantee temperature stability during the baking process, failing to meet the stringent requirements of high-precision inkjet printing for the baking process. Utility Model Content

[0004] The present invention proposes a high-efficiency, energy-saving, and uniform oven, which aims to solve at least one of the technical problems mentioned in the prior art.

[0005] This utility model provides a high-efficiency, energy-saving, and uniformly heating oven, comprising:

[0006] At least one heating unit, the heating unit comprising an oven shell and a heating body;

[0007] The heating side of the oven shell is configured with a concave structure.

[0008] The concave structure forms a heating cavity with its internal recessed area and edge protruding area. The heating body is disposed in the heating cavity to heat the object to be heated, which is also disposed in the heating cavity.

[0009] The heating element is located inside the heating cavity on the side close to the oven shell, while the object to be heated is located inside the heating cavity on the side away from the oven shell, causing the oven shell to collect and concentrate the heat output by the heating element to the object to be heated.

[0010] Optionally, the at least one heating unit is configured as a heating unit and a carrier of the object to be heated.

[0011] Optionally, the internal recessed area and the edge protruding area of ​​the oven shell in the heating unit together with the heated object carrier form a heating cavity;

[0012] The object to be heated is configured to be carried on the object carrier. When the object to be heated is moved and conveyed within the heating chamber by front and rear rollers, the object to be heated moving between the front and rear rollers is supported on one side and heated and baked on one side.

[0013] Optionally, the at least one heating unit is configured as two heating units.

[0014] Optionally, the concave structures of the oven shells in the two heating units are arranged opposite to each other, and the internal concave areas and the edge protruding areas of the two concave structures together form a heating cavity;

[0015] The heating elements of the two heating units are respectively located inside the oven shell on one side close to the oven shell. The object to be heated is located between the two heating elements. When the object to be heated moves and is conveyed within the heating cavity by front and rear rollers, the object moving between the front and rear rollers is heated and baked on both sides.

[0016] Optionally, the heating element in the heating unit is configured to use a carbon fiber heating element.

[0017] Optionally, the heating element in the heating unit is configured to use a graphene heating element.

[0018] Optionally, the heating element in the heating unit is configured to use a microcrystalline heating element.

[0019] Optionally, the heating element is configured as a combination of one or more elements.

[0020] Optionally, the heated object is configured as a substrate coated or printed with ink.

[0021] The beneficial effects of this invention are as follows: It proposes a highly efficient, energy-saving, and uniformly heated oven. The oven shell of at least one heating unit forms a concave structure, utilizing the internal concave area and the raised edge area of ​​this structure to form a heating cavity. A heating element disposed within this cavity heats an object also disposed within the cavity. By placing the heating element between the oven shell and the object, the oven shell concentrates and conducts the heat output from the heating element to the object, preventing heat dissipation on non-adjacent sides of the heating element and significantly improving heating efficiency. It also features a faster start-up speed for the baking environment. The concave structure configuration of the heating element and the oven shell minimizes the impact of the environment on the stability and uniformity of the baking temperature. Furthermore, this invention provides oven structures with both single-sided and double-sided baking capabilities, offering solutions for different spray painting and printing scenarios and achieving a highly efficient, energy-saving, and uniformly heated oven product. Attached Figure Description

[0022] Figure 1 A schematic diagram of one structure of the high-efficiency, energy-saving, and uniformly heating oven provided in the embodiment;

[0023] Figure 2 A second structural schematic diagram of the high-efficiency, energy-saving, and uniformly heating oven provided in the embodiment;

[0024] Figure 3 This is a schematic diagram of the structure of multiple heating elements provided in the embodiment.

[0025] Figure label:

[0026] 1-Oven outer shell; 2-Heating body; 3-Object to be heated; 4-Heating object carrier. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0028] like Figure 1-3 As shown, this embodiment proposes a high-efficiency, energy-saving, and uniform oven, comprising:

[0029] At least one heating unit, the heating unit comprising an oven shell 1 and a heating body 2;

[0030] The heating side of the oven shell 1 is configured as a concave structure;

[0031] The concave structure forms a heating cavity with its internal recessed area and the protruding edge area. The heating body 2 is disposed in the heating cavity to heat the object 3, which is also disposed in the heating cavity.

[0032] The heating body 2 is located inside the heating cavity on the side close to the oven shell 1, and the object to be heated 3 is located inside the heating cavity on the side away from the oven shell 1, so that the oven shell 1 can concentrate and conduct the heat output by the heating body 2 to the object to be heated 3.

[0033] It should be noted that the baking equipment currently widely used in the industry has many obvious shortcomings. These devices mostly use wire heating, which not only has low heating efficiency, resulting in a slow start-up of the baking environment and difficulty in quickly reaching the stable temperature required by the process; but also poor heating uniformity, easily causing inconsistent ink drying effects and affecting the quality of the finished product. More importantly, the heat utilization of existing heating elements is severely limited: only heat from one side can be effectively utilized, while heat from the other side is completely dissipated. This not only significantly reduces heating efficiency but also makes it difficult to guarantee temperature stability during the baking process, failing to meet the stringent requirements of high-precision inkjet printing for the baking process.

[0034] To address the aforementioned issues, this embodiment utilizes an oven shell 1 within at least one heating unit to form a recessed heating cavity. The heating element 2 is positioned between the oven shell 1 and the object being heated 3, causing the oven shell 1 to concentrate and transfer the heat output from the heating element 2 to the object being heated 3. This prevents heat dissipation on the non-adjacent side of the heating element 2, significantly improving heating efficiency and providing a faster start-up speed for the baking environment. The concave structure of the oven shell 1 maximizes the avoidance of environmental influences on the stability and uniformity of the baking temperature, achieving a highly efficient, energy-saving, and uniform oven product.

[0035] In one optional embodiment of this application, the at least one heating unit is configured as a heating unit and a heated object carrier 4.

[0036] Furthermore, the internal recessed area and the edge protruding area of ​​the oven shell 1 in the heating unit together with the heated object carrier 4 to form a heating cavity;

[0037] The heated object 3 is configured to be carried on the heated object 3 carrier. When the heated object 3 is moved and conveyed in the heating cavity by the front and rear rollers, the heated object 3 moving between the front and rear rollers is supported on one side and heated and baked on one side.

[0038] In this embodiment, by configuring a heating unit and a heated object carrier 4, the heating unit utilizes the internal recessed area and the edge protruding area of ​​the oven shell 1 to form a heating cavity together with the heated object carrier 4. The heated object 3 can be supported on one side by the heated object carrier 3, and the heated object 3 can be heated and dried on one side by the heating body 2, thus realizing an oven structure with a one-sided baking technology route and solving the baking requirements in this spray printing scenario.

[0039] In one optional embodiment of this application, the at least one heating unit is configured as two heating units.

[0040] Furthermore, the concave structures of the oven shell 1 in the two heating units are arranged opposite to each other, and the internal concave areas and the edge protruding areas of the two concave structures together form a heating cavity;

[0041] In this configuration, the heating elements 2 of the two heating units are respectively located inside the corresponding oven shell 1 on one side close to the oven shell. The object to be heated 3 is located between the two heating elements 2. When the object to be heated 3 is moved and conveyed in the heating cavity by the front and rear rollers, the object to be heated 3 moving between the front and rear rollers is heated and baked on both sides.

[0042] In this embodiment, by configuring two heating units, the concave structures of the oven shell 1 in the two heating units are arranged opposite each other. The internal concave areas and the edge protruding areas of the two concave structures together form a heating cavity. The heating bodies 2 on both sides of the heated object 3 can simultaneously heat and dry both sides of the heated object 3, realizing the oven structure of the double-sided baking technology route, and solving the baking requirements in this spray printing scenario.

[0043] In a preferred embodiment, the heating body 2 in the heating unit is configured to use a carbon fiber heating element.

[0044] In this embodiment, by configuring a carbon fiber heating element (such as a carbon fiber heating plate), the material being heated can be heated uniformly in 360 degrees around the entire plate due to the uniform heating of the carbon fiber heating plate. This achieves rapid heating in 2 minutes and maintains constant temperature heating, which can maximize the avoidance of the influence of the environment on the stability and uniformity of the baking temperature. At the same time, the use of a carbon fiber heating element has an electrothermal conversion rate of up to 98%, which is more than 50% more energy-efficient than metal wire heating elements.

[0045] In a preferred embodiment, the heating element 2 in the heating unit is configured to use a graphene heating element.

[0046] In this embodiment, the graphene heating element enables uniform heating of the heated material with nanometer-level precision, achieving a heating uniformity down to the micrometer-level temperature difference. The graphene heating element exhibits superior heating speed, reaching the preset operating temperature within 30 seconds, more than twice as fast as conventional heating elements, and can stably maintain a constant temperature with fluctuations controlled within ±1℃. Furthermore, thanks to its extremely rapid thermal response and precise temperature control characteristics, the graphene heating element can maximally isolate the baking process from the interference of ambient temperature fluctuations, significantly reducing energy costs during long-term use.

[0047] In a preferred embodiment, the heating body 2 in the heating unit is configured to use a microcrystalline heating element.

[0048] In this embodiment, the microcrystalline heating element, utilizing infrared radiation, enables uniform heating of the material across its entire surface, ensuring 360-degree heating without any temperature dead zones. In terms of heating efficiency, it can reach the set temperature rapidly within one minute, and its low thermal inertia allows for precise maintenance of a constant temperature, with temperature fluctuations controlled within ±2℃. Due to the excellent thermal stability of the microcrystalline material, it effectively reduces the impact of ambient temperature changes on the baking temperature, significantly improving temperature stability and uniformity. Regarding energy utilization, the microcrystalline heating element has an electrothermal conversion rate of approximately 90%, saving over 40% more energy compared to metal wire heating elements, achieving both effective heating and energy efficiency.

[0049] Furthermore, the heating unit is configured as one or more units in combination, thereby adapting to the drying requirements of different substrate sizes after spray printing.

[0050] In a preferred embodiment, the heated object 3 is configured as a substrate coated or printed with ink.

[0051] In this embodiment, an oven structure with two technical routes, single-sided baking and double-sided baking, is provided to meet the needs of different spraying and printing scenarios, and to achieve an oven product that is efficient, energy-saving and uniform.

[0052] In the description of the embodiments of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "center," "top," "bottom," "top," "bottom," "inner," "outer," "inner side," and "outer side," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. "Inner side" refers to the interior or enclosed area or space. "Outer perimeter" refers to the area surrounding a specific component or specific area.

[0053] In the description of embodiments of this utility model, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0054] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "assembly" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0055] In the description of the embodiments of this utility model, specific features, structures, materials or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0056] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency, energy-saving, and uniformly warm oven, characterized in that, include: At least one heating unit, the heating unit comprising an oven shell and a heating body; The heating side of the oven shell is configured with a concave structure. The concave structure forms a heating cavity with its internal recessed area and edge protruding area. The heating body is disposed in the heating cavity to heat the object to be heated, which is also disposed in the heating cavity. The heating element is located inside the heating cavity on the side close to the oven shell, while the object to be heated is located inside the heating cavity on the side away from the oven shell, causing the oven shell to collect and concentrate the heat output by the heating element to the object to be heated.

2. The high-efficiency, energy-saving, and uniformly heating oven according to claim 1, characterized in that, The at least one heating unit is configured as a heating unit and a carrier of the object to be heated.

3. The high-efficiency, energy-saving, and uniformly warm oven according to claim 2, characterized in that, The heating unit consists of an internal recessed area and a raised edge area of ​​the oven shell, which together with the heated object carrier form a heating cavity. The object to be heated is configured to be carried on the object carrier. When the object to be heated is moved and conveyed within the heating chamber by front and rear rollers, the object to be heated moving between the front and rear rollers is supported on one side and heated and baked on one side.

4. The high-efficiency, energy-saving, and uniformly warm oven according to claim 1, characterized in that, The at least one heating unit is configured as two heating units.

5. The high-efficiency, energy-saving, and uniformly warm oven according to claim 4, characterized in that, The concave structures of the oven shells in the two heating units are arranged opposite each other, and the internal concave areas and the edge protruding areas of the two concave structures together form a heating cavity; The heating elements of the two heating units are respectively located inside the oven shell on one side close to the oven shell. The object to be heated is located between the two heating elements. When the object to be heated moves and is conveyed within the heating cavity by front and rear rollers, the object moving between the front and rear rollers is heated and baked on both sides.

6. The high-efficiency, energy-saving, and uniformly warm oven according to claim 1, characterized in that, The heating element in the heating unit is configured to use a carbon fiber heating element.

7. The high-efficiency, energy-saving, and uniformly heating oven according to claim 1, characterized in that, The heating element in the heating unit is configured to use a graphene heating element.

8. The high-efficiency, energy-saving, and uniformly warm oven according to claim 1, characterized in that, The heating element in the heating unit is configured to use a microcrystalline heating element.

9. The high-efficiency, energy-saving, and uniformly warm oven according to claim 1, characterized in that, The heating element is configured as one or more pieces.

10. The high-efficiency, energy-saving, and uniformly warm oven according to claim 1, characterized in that, The heated object is configured as a substrate for spraying or printing ink.