Far infrared heating assembly

By using far-infrared heating components to penetrate the electrode sheets with far-infrared light, the problem of hot air in the coating machine oven being unable to remove moisture from the inner layer of the electrode sheets is solved, achieving efficient drying and safe production.

CN223885336UActive Publication Date: 2026-02-06GUANGDONG KATOP AUTOMATION CO LTD
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Patent Information

Application Number
CN202520270237.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-02-06
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

In existing coating machine ovens, under high belt speed and thick electrode conditions, hot air is insufficient to remove moisture from the inner surface of the electrode in time, resulting in a dry surface and a wet inner layer, which affects the quality of the electrode.

Method used

It adopts a far-infrared heating component, through which far-infrared light penetrates the electrode plate through a transparent cover. The far-infrared heating carbon paste nano-coating inside the far-infrared plate converts electrical energy into far-infrared rays, which penetrate the electrode plate to achieve a convection evaporation effect. Combined with cold air circulation and temperature monitoring, it ensures that the temperature is controlled within a safe range.

Benefits of technology

It improves the electrode drying rate, enhances electrode quality, reduces the risk of NMP explosion, and improves production efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a far infrared heating assembly which comprises a protective cover and a far infrared plate installed in the protective cover, and a transparent cover plate is connected to an opening of the protective cover in a sealed mode. The far-infrared plate comprises a mica sheet, a far-infrared heating carbon paste nano coating coated on the mica sheet, and conductive silver pastes coated on the mica sheet and positioned on two sides of the far-infrared heating carbon paste nano coating, and the two conductive silver pastes are respectively connected with a positive power line and a negative power line; and the far infrared heating carbon paste nano coating is positioned on one side, facing the transparent cover plate, of the mica sheet. According to the far infrared heating assembly, far infrared light penetrates through the whole pole piece, so that moisture on the inner surface layer of the pole piece can be evaporated in time, the drying rate is improved, and the quality of the pole piece is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pole piece drying, specifically relates to a far infrared heating assembly. BACKGROUND

[0002] At present, the coating machine oven mainly dries pole piece through hot air, the pole piece surface carries out convection heat exchange with hot air, in the process of walking, the moisture of the pole piece surface can be completely evaporated. When the walking speed is larger, the pole piece is thicker, the hot air cannot take away the moisture of the inner surface layer of the pole piece in time, the surface is dry, and the inner surface layer is slightly wet, which affects the quality of the pole piece. UTILITARY MODEL CONTENT

[0003] In order to overcome the insufficient of prior art, the utility model provides a far infrared heating assembly, through the penetration of far infrared light to whole pole piece, the moisture of the inner surface layer of the pole piece can be evaporated in time, thereby improving the drying rate and improving the quality of the pole piece.

[0004] The utility model discloses a technical scheme that solves its technical problem:

[0005] A far infrared heating assembly, including the protection cover and the far infrared board that installs in the protection cover, the open mouth of protection cover is sealedly connected with the transparent cover, the far infrared board includes mica sheet, the far infrared heating carbon paste nanometer coating that coats on the mica sheet, the conductive silver paste that coats on the mica sheet and is located far infrared heating carbon paste nanometer coating both sides, two the conductive silver paste is connected with positive and negative electrode power line respectively, the far infrared heating carbon paste nanometer coating is located the one side of the mica sheet and faces the transparent cover.

[0006] As a further improvement of the above technical solution, the mica sheet is a glass fiber mica composite sheet.

[0007] As a further improvement of the above technical solution, the far infrared heating carbon paste nanometer coating and the conductive silver paste are coated on the mica sheet by roller coating.

[0008] As a further improvement of the above technical solution, the mica sheet is provided with an insulating cover, and the insulating cover is used to cover the connection between the positive and negative electrode power lines and the conductive silver paste.

[0009] As a further improvement of the above technical solution, a quick female connector is arranged on the protection cover, and the quick female connector is connected with the positive and negative electrode power lines.

[0010] As a further improvement of the above technical solution, the side of the mica sheet away from the far infrared heating carbon paste nanometer coating is provided with a temperature monitor for detecting the temperature of the far infrared board.

[0011] As a further improvement of the above technical solution, the temperature monitor comprises a plurality of equidistantly arranged probe-type thermocouples.

[0012] As a further improvement of the above technical solution, one side of the protective cover is provided with an air inlet, the other side of the protective cover is provided with an air outlet, the air inlet and the air outlet are connected with a cold air circulating device, and the cold air circulating device is used for providing cold air to enter the protective cover from the air inlet and to be discharged from the air outlet.

[0013] As a further improvement of the above technical solution, the protective cover is a stainless steel protective cover, and the protective cover is a long rectangular cover body with one side open.

[0014] As a further improvement of the above technical solution, the inner wall of the protective cover is provided with a gold foil, and the gold foil is used for reflecting far infrared light.

[0015] The beneficial effects of the utility model are:

[0016] 1. The far infrared light emitted by the far infrared plate penetrates the whole pole piece, so that the moisture in the inner layer of the pole piece can be evaporated in time, thereby improving the drying rate and the quality of the pole piece.

[0017] 2. The base body of the far infrared plate is a mica sheet, which has a certain softness and can be rolled into a paper tube, so that it can be unwound and coated on a coating machine, greatly improving the production efficiency, and the produced far infrared plate has good softness.

[0018] 3. The back of the far infrared plate has a plurality of probe-type thermocouples, which can monitor the temperature of the surface of the far infrared plate at any time. When the far infrared plate abnormally heats up, cooling air blows in from the inlet to cool the far infrared plate, ensuring that the temperature of the surface of the far infrared plate is lower than 250 degrees. During positive electrode coating, the risk of NMP explosion can be reduced.

[0019] 4. The positive and negative electrodes and the power lines of the thermocouples of the far infrared plate are sealed in a stainless steel protective cover and packaged in the form of a female connector connected to the outside world. The power supply needs to be connected to the far infrared plate by inserting a male plug into the female plug to avoid the risk of exposed power lines.

[0020] 5. The far infrared plate is placed in the protective cover for sealing, and NMP cannot enter the protective cover to avoid direct contact between NMP and the heat source. During positive electrode coating, the risk of NMP explosion can be reduced.

[0021] 6. The inside of the protective cover is coated with a gold foil, which can reflect the far infrared light radiated from the back of the far infrared plate, thereby improving the electro-thermal conversion rate of the far infrared plate. BRIEF DESCRIPTION OF DRAWINGS

[0022] The utility model will be further described in conjunction with the drawings and examples.

[0023] Figure 1 This is an assembly diagram of a far-infrared heating component according to an embodiment of the present utility model;

[0024] Figure 2 This is a structural exploded view of a far-infrared heating component according to an embodiment of this utility model;

[0025] Figure 3 This is a top view of a far-infrared heating component according to an embodiment of the present invention;

[0026] Figure 4 yes Figure 3 Sectional view of AA;

[0027] Figure 5 This is a schematic diagram of the structure of the far-infrared plate in a far-infrared heating assembly according to an embodiment of this utility model. Figure 1 ;

[0028] Figure 6 This is a schematic diagram of the structure of the far-infrared plate in a far-infrared heating assembly according to an embodiment of this utility model. Figure 2 .

[0029] Reference numerals: 1. Protective cover; 2. Transparent cover plate; 3. Far-infrared plate; 31. Mica sheet; 32. Far-infrared heating carbon paste nano-coating; 33. Nano silver paste; 34. Positive power cord; 35. Negative power cord; 36. Insulating cover; 37. Thermocouple bus; 38. Temperature monitor; 4. Mounting bracket; 5. Quick female connector; 6. Air inlet; 7. Thermocouple female connector; 8. Air outlet. Detailed Implementation

[0030] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / linkages involved in the patent do not simply refer to direct connection of components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. For example, fixed connections / installations can use accessories such as screws and bolts, or can be directly connected by welding, bonding, etc. The various technical features in this utility model can be combined interactively without contradicting each other.

[0031] Reference Figures 1-4The utility model discloses an embodiment provides a kind of far infrared heating assembly, including protective cover 1 and install in the far infrared plate 3 of protective cover 1, the open of protective cover 1 is sealingly connected with transparent cover plate 2, so that the sealed space is formed in protective cover 1 inside.Can be understood, the heat energy generated by far infrared plate 3 and form far infrared line and pass through transparent cover plate 2 and irradiate on pole piece, far infrared line can penetrate whole pole piece, so that the moisture of pole piece inner layer can be evaporated in time, to improve drying rate, improve pole piece quality.In addition, the far infrared plate 3 is installed in the sealed protective cover 1, can avoid as heat source far infrared plate 3 and the NMP produced in oven when positive electrode coating contact, reduce the risk of NMP explosion.

[0032] In the embodiment, referring to Figure 5 , the far infrared plate 3 includes mica sheet 31, far infrared heating carbon paste nano coating 32 coated on the mica sheet 31, conductive silver paste 33 coated on the mica sheet 31 and located on both sides of the far infrared heating carbon paste nano coating 32, and the raw material of the far infrared heating carbon paste nano coating 32 is far infrared heating carbon paste. Under the excitation of electricity, the carbon molecular groups in the carbon paste generate "Brownian motion", and the carbon molecules collide and rub with each other, converting electrical energy into heat energy, while generating a large amount of infrared radiation, and the conversion rate of electrical energy and heat energy can reach more than 98%. The mica sheet 31 has a rectangular structure, the far infrared heating carbon paste nano coating 32 is arranged along the length direction of the mica sheet 31, the two conductive silver pastes 33 are respectively connected with a positive power line 34 and a negative power line 35, and the far infrared heating carbon paste nano coating 32 is located on the side of the mica sheet 31 facing the transparent cover plate 2. In this way, after the positive power line 34 and the negative power line 35 are electrified, the conductive silver paste 33 conducts electricity, and then the far infrared heating carbon paste nano coating 32 absorbs electrical energy and converts it into far infrared radiation of a specific wavelength, realizing far infrared heating.

[0033] Further, the mica sheet 31 is a 0.15mm-thick glass fiber mica composite sheet, which has high-temperature resistance and a certain softness, can be rolled into a paper tube, and can be unwound and coated on a coating machine. In this way, the far infrared heating carbon paste nano coating 32 and the conductive silver paste 33 are printed on the mica sheet 31 by using a roll coating method of the coating machine, high-temperature drying is performed, and after cutting, the far infrared plate 3 of the embodiment can be obtained.

[0034] In a preferred embodiment, referring to Figure 5 , the mica sheet 31 is provided with an insulating cover 36 made of ceramic material, which covers the connection between the positive power line 34, the negative power line 35 and the conductive silver paste 33, and provides a protection function.

[0035] In some embodiments, referring to Figure 6The mica sheet 31 is provided with a temperature monitor 38 on the side away from the far infrared heating carbon paste nano coating 32 for detecting the temperature of the far infrared plate 3. Specifically, the temperature monitor 38 includes three equidistantly arranged probe type thermocouples, and the three thermocouples are connected with an external controller through a thermocouple bus 37. In addition, referring to Figure 2 and Figure 3 One side of the protective cover 1 is provided with an air inlet 6, and the other side of the protective cover 1 is provided with an air outlet 8. The air inlet 6 and the air outlet 8 are connected with a cold air circulating device. The cold air circulating device is used to provide cold air to enter the protective cover 1 from the air inlet 6 and to be discharged from the air outlet 8. In this way, the far infrared plate 3 is cooled by the cold air blowing. Further, the air inlet 6 and the air outlet 8 are diagonally arranged on the protective cover 1, so that the far infrared plate 3 can be completely blown by the cold air, and the cooling effect of the far infrared plate 3 is improved.

[0036] In the above embodiment, the temperature of the far infrared plate 3 is monitored in real time by the three thermocouples. When the far infrared plate 3 abnormally heats up, the cooling air blows in from the air inlet 6 to cool the far infrared plate 3, so that the temperature of the surface of the far infrared plate 3 is lower than 250 degrees. When the positive electrode is coated, the risk of NMP explosion is reduced.

[0037] It can be understood that when the far infrared plate 3 is not cooled, the air inlet 6 and the air outlet 8 can be closed by the cold air circulating device or by setting a valve to ensure the sealing state of the inside of the protective cover 1.

[0038] In the embodiment, referring to Figures 1-6 A quick female connector 5 is installed on the protective cover 1, and the quick female connector 5 is connected with the positive electrode power line 34 and the negative electrode power line 35. In this way, the positive electrode power line and the negative electrode power line of the far infrared plate 3 and the power line of the thermocouple are sealed in the stainless steel protective cover 1, and are connected with the outside in the form of a female connector. The far infrared plate 3 needs to be powered by inserting a male plug into the quick female connector, so that the risk of exposing the power line is avoided.

[0039] Similarly, a thermocouple female connector 7 is installed on the protective cover 1, and the thermocouple female connector 7 is connected with the thermocouple bus 37. In this way, the line of the thermocouple is sealed in the stainless steel protective cover 1, and is connected with the outside in the form of a female connector. The thermocouple needs to be powered and signal transmission by inserting a male plug into the thermocouple female connector, so that the risk of exposing the thermocouple line is avoided.

[0040] In the embodiment, the protective cover 1 is a stainless steel protective cover 1, and the protective cover 1 is a long rectangular cover body with one side open, so that the far infrared heating assembly is in a super-thin structure, and the transparent cover plate 2 is a long rectangular glass plate installed at the opening of the protective cover 1, and the transparent cover plate 2 and the protective cover 1 are sealed and installed by using a sealing rubber strip.

[0041] Further, the inner wall of the protective cover 1 is provided with a gold foil, the far infrared light radiated from the back of the far infrared plate 3 is reflected by the gold foil, and the electric-thermal conversion rate of the far infrared plate 3 is improved.

[0042] The far infrared heating assembly of the embodiment has the effects of explosion-proof and super-thin, the mounting bracket 4 is arranged at the back side of the protective cover 1, the far infrared heating assembly is installed in the oven through the mounting bracket 4, the transparent cover plate 2 of the far infrared heating assembly faces the direction in which the pole piece passes, so that the far infrared light emitted by the far infrared plate 3 can irradiate on the pole piece, and the drying of the pole piece is realized.

[0043] The above is a specific description of the preferred implementation of the utility model, but the utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the application.

Claims

1. A far infrared heating assembly characterized by: The application relates to a protective cover and a far-infrared plate installed in the protective cover, wherein the opening of the protective cover is sealedly connected with a transparent cover plate, the far-infrared plate comprises a mica sheet, a far-infrared heating carbon paste nano coating coated on the mica sheet, and conductive silver paste coated on the mica sheet and located on both sides of the far-infrared heating carbon paste nano coating, the two conductive silver paste are respectively connected with positive and negative power lines, and the far-infrared heating carbon paste nano coating is located on the side of the mica sheet facing the transparent cover plate.

2. A far infrared heating assembly as claimed in claim 1, wherein: The mica sheet is a glass fiber mica composite sheet.

3. A far infrared heating assembly as claimed in claim 2, wherein: The far-infrared heating carbon paste nano coating and the conductive silver paste are both coated on the mica sheet by means of roller coating.

4. The far infrared heating assembly according to claim 1, wherein: An insulating cover is arranged on the mica sheet and used for covering the connection between the positive and negative power lines and the conductive silver paste.

5. The far infrared heating assembly according to claim 1, wherein: A quick female connector is arranged on the protective cover and connected with the positive and negative power lines.

6. The far infrared heating assembly according to claim 1, wherein: A temperature monitor for detecting the temperature of the far-infrared plate is arranged on the side of the mica sheet away from the far-infrared heating carbon paste nano coating.

7. A far infrared heating assembly as claimed in claim 6, wherein: The temperature monitor comprises a plurality of equidistantly arranged probe type thermocouples.

8. A far infrared heating assembly as claimed in claim 6, wherein: An air inlet is arranged on one side of the protective cover, an air outlet is arranged on the other side of the protective cover, a cold air circulating device is connected with the air inlet and the air outlet, and the cold air circulating device is used for providing cold air to enter the protective cover from the air inlet and to be discharged from the air outlet.

9. The far infrared heating assembly of claim 1, wherein: The protective cover is a stainless steel protective cover and is a long rectangular cover body with one side open.

10. A far infrared heating assembly as claimed in claim 9, wherein: A gold foil is arranged on the inner wall of the protective cover and used for reflecting far-infrared light.