Infrared lamp and drying mechanism

Abstract

This utility model discloses an infrared lamp and a drying mechanism. The infrared lamp includes an infrared lamp tube, a semi-elliptical reflector, a biconcave lens, and a convex lens. The bottom end of the reflector has an opening communicating with the interior of the reflector. The infrared lamp tube is disposed inside the reflector and located at one focal point of the reflector. The convex lens is disposed inside the reflector opening. The biconcave lens is disposed inside the reflector and located between the infrared lamp tube and the convex lens. The focal point of the biconcave lens coincides with the other focal point of the reflector. This utility model can reduce the risk of mutual dissolution between the ceramic edge of the electrode and the positive electrode slurry coating, thereby improving the quality of the electrode.

Description

Technical Field

[0001] This utility model relates to the field of coating technology, specifically to an infrared lamp and a drying mechanism. Background Technology

[0002] Currently, after coating the surface of the electrode with positive electrode slurry to form a positive electrode slurry coating, it is usually necessary to coat ceramic slurry on both sides of the positive electrode slurry coating on the surface of the electrode to form a ceramic edge. This ceramic edge can reduce the generation of burrs during the cutting of the electrode tabs.

[0003] Existing drying mechanisms typically involve first heating the ceramic edge of the electrode located below the infrared lamp with an infrared lamp to solidify the ceramic edge, and then heating the positive electrode slurry coating of the electrode with an oven to solidify the positive electrode slurry coating, thus achieving the drying of the electrode.

[0004] The aforementioned infrared lamp typically includes a rectangular reflector and an infrared lamp tube housed within the reflector. When the infrared lamp tube is powered on and emits infrared light, this light is reflected by the reflector and illuminates the ceramic edge of the electrode located below the infrared lamp, thus heating the ceramic edge of the electrode. However, this type of infrared lamp cannot focus the infrared light emitted by the lamp tube, preventing it from concentrating on the ceramic edge of the electrode. Therefore, while the infrared light illuminates the ceramic edge, it also illuminates the positive electrode slurry coating, allowing for simultaneous heating of both. However, because the ceramic edge and the positive electrode slurry coating are made of different materials, they undergo mutual dissolution under the influence of surface and volume forces during simultaneous heating, reducing the quality of the electrode. Utility Model Content

[0005] To overcome the shortcomings of the prior art, this utility model provides an infrared lamp and drying mechanism, which can reduce the risk of mutual dissolution between the ceramic edge of the electrode and the positive electrode slurry coating, and improve the quality of the electrode.

[0006] The technical solution adopted by this utility model to solve its technical problem is:

[0007] The first aspect of this utility model provides an infrared lamp, including an infrared lamp tube, a semi-elliptical reflector, a biconcave lens, and a convex lens. The bottom end of the reflector has a reflector opening communicating with the interior of the reflector. The infrared lamp tube is disposed inside the reflector and located at one focal point of the reflector. The convex lens is disposed inside the reflector opening. The biconcave lens is disposed inside the reflector and located between the infrared lamp tube and the convex lens. The focal point of the biconcave lens coincides with the other focal point of the reflector.

[0008] As a preferred technical solution, it also includes a fume extraction hood, wherein the reflector is disposed inside the fume extraction hood, the bottom end of the fume extraction hood is provided with a fume extraction hood opening communicating with the interior of the fume extraction hood, the fume extraction hood opening corresponds to the reflector, and the top end of the fume extraction hood is provided with a fume extraction port communicating with the interior of the fume extraction hood.

[0009] As a preferred technical solution, one end of the reflector is provided with an air inlet pipe that communicates with the interior of the reflector. The end of the air inlet pipe away from the reflector passes through a through hole at one end of the exhaust hood and is located outside the exhaust hood. The other end of the reflector is provided with an exhaust hole that communicates with the interior of the reflector and the interior of the exhaust hood.

[0010] As a preferred technical solution, the width of the air extraction hood opening gradually decreases along the direction near the top of the air extraction hood.

[0011] As a preferred technical solution, the air extraction hood is provided with a flow equalization plate, which is located above the reflector, and the flow equalization plate has a number of air passage holes evenly distributed on it.

[0012] As a preferred technical solution, one end of the infrared lamp tube passes through the mounting hole at one end of the reflector and is provided with a connector. The connector is electrically connected to one end of the wire. The other end of the wire passes through the clearance hole at one end of the exhaust cover and is located outside the exhaust cover. The other end of the infrared lamp tube is connected to the inner wall of the other end of the reflector through a lamp tube bracket.

[0013] As a preferred technical solution, one end and the other end of the reflector are respectively provided with a first mounting hole, the first mounting hole is connected to the interior of the reflector, and the two ends of the biconcave lens are respectively provided with a second mounting hole corresponding to the first mounting hole, and a first fastener is installed in the second mounting hole and the corresponding first mounting hole.

[0014] As a preferred technical solution, one end and the other end of the reflector are respectively provided with a third mounting hole, the third mounting hole is connected to the interior of the reflector, and both ends of the convex lens are respectively provided with a fourth mounting hole corresponding to the third mounting hole, and a second fastener is installed in the fourth mounting hole and the corresponding third mounting hole.

[0015] The second aspect of this utility model provides a drying mechanism, including an oven and infrared lamps as described in the above technical solution. There are multiple infrared lamps, which are distributed at intervals along the width direction of the oven and located in front of the oven. The length direction of the infrared lamps is the same as the length direction of the electrode. Each infrared lamp corresponds to a ceramic edge of the electrode. The infrared lamps are connected to the oven through a mounting bracket.

[0016] The beneficial effects of this utility model are as follows: By using a semi-elliptical reflector, a double concave lens, and a convex lens, this utility model can concentrate the infrared light emitted by the infrared lamp tube, allowing the infrared light to be concentrated on the ceramic edge of the electrode, thereby preventing the infrared light from shining on the positive electrode slurry coating of the electrode, reducing the risk of mutual dissolution between the ceramic edge of the electrode and the positive electrode slurry coating, and improving the quality of the electrode. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a structural schematic diagram of an infrared lamp at a first angle according to an embodiment of the present invention;

[0019] Figure 2 yes Figure 1 A schematic diagram of the second angle of the infrared lamp shown;

[0020] Figure 3 yes Figure 1 A top view of the infrared lamp shown;

[0021] Figure 4 yes Figure 3 A cross-sectional view at point AA is shown.

[0022] Figure 5 yes Figure 3 A cross-sectional view at point BB shown;

[0023] Figure 6 yes Figure 1 The diagram shows the structure of the infrared lamp after the fume extraction cover has been removed.

[0024] Figure 7 This is a schematic diagram of a drying mechanism provided in one embodiment of the present invention.

[0025] Figure label:

[0026] 10. Reflector; 11. Air inlet pipe; 12. Exhaust port; 13. Mounting hole for reflector; 20. Infrared lamp tube; 21. Connector; 22. Wire; 30. Biconcave lens; 40. Convex lens; 50. Evacuation hood; 51. Evacuation hood opening; 52. Evacuation port; 60. Flow equalizer; 61. Vent hole; 100. Infrared lamp; 200. Oven; 300. Electrode; 301. Ceramic edge of electrode. Detailed Implementation

[0027] 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 contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this utility model can be combined interactively without contradicting each other.

[0028] Please refer to Figures 1 to 6 An embodiment of the present invention provides an infrared lamp 100, which includes a semi-elliptical reflector 10, an infrared lamp tube 20 for emitting infrared light, a biconcave lens 30, a convex lens 40, and a vacuum hood 50.

[0029] The bottom of the reflector 10 has an opening that communicates with the interior of the reflector 10. An infrared lamp 20 is disposed inside the reflector 10 and located at one focal point of the reflector 10. The infrared lamp 20 emits infrared light when powered on. A convex lens 40 is disposed inside the reflector opening, and a biconcave lens 30 is disposed inside the reflector 10 and located between the infrared lamp 20 and the convex lens 40. The focal point of the biconcave lens 30 coincides with the other focal point of the reflector 10. The reflector 10 is disposed inside a vacuum hood 50. The bottom of the vacuum hood 50 has a vacuum hood opening 51 that communicates with the interior of the vacuum hood 50. The vacuum hood opening 51 corresponds to the reflector 10. The top of the vacuum hood 50 has a vacuum port 52 that communicates with the interior of the vacuum hood 51. The vacuum port 52 is used to connect to a vacuuming device. In practical applications, after the infrared lamp 20 is powered on and emits infrared light, since the infrared lamp 20 is located at one focal point of the reflector 10 and the focal point of the biconcave lens 30 coincides with the other focal point of the reflector 10, the infrared light can be reflected by the reflector 10 to the biconcave lens 30. The biconcave lens 30 can convert the divergent infrared light into parallel infrared light. Then, the parallel infrared light passes through the convex lens 40 and is focused together by the focusing effect of the convex lens 40. The focused infrared light passes through the fume extraction hood opening 51 and can concentrate on the ceramic edge 301 of the electrode 300 located below the infrared lamp 100, thereby heating the ceramic edge 301 of the electrode 300 to cure it. By using a fume extraction device to extract air from the inside of the fume extraction hood 50 through the fume extraction port 52, harmful gases such as NMP (N-methylpyrrolidone, 1-Methyl-2-pyrrolidinone) evaporated during the heating of the ceramic edge 301 can be removed to avoid environmental pollution.

[0030] This invention, through the use of a semi-elliptical reflector 10, a biconcave lens 30, and a convex lens 40, can concentrate the infrared light emitted by the infrared lamp tube 20, allowing the infrared light to focus on the ceramic edge 301 of the electrode 300. This avoids the infrared light from shining on the positive electrode slurry coating of the electrode 300, reducing the risk of mutual dissolution between the ceramic edge 301 of the electrode 300 and the positive electrode slurry coating, and improving the quality of the electrode.

[0031] In this embodiment, the fume extraction hood opening 51 is approximately trumpet-shaped, and the width of the fume extraction hood opening 51 gradually decreases along the direction near the top of the fume extraction hood 50, which facilitates the entry of harmful gases such as NMP into the fume extraction hood 50.

[0032] Furthermore, one end of the reflector 10 is provided with an air inlet pipe 11 that communicates with the interior of the reflector 10. The end of the air inlet pipe 11 away from the reflector 10 passes through a through hole at one end of the extraction hood 50 and is located outside the extraction hood 50. The air inlet pipe 11 is used to connect to an inflation device. The other end of the reflector 10 is provided with an exhaust port 12, which communicates with the interior of the reflector 10 and the interior of the extraction hood 50, respectively. The number of exhaust ports 12 can be set according to actual conditions. In practical applications, room temperature air can be introduced into the reflector 10 through the air inlet pipe 11 via the inflation device. Then, the room temperature air can be discharged into the extraction hood 50 through the exhaust port 12 and subsequently extracted along with harmful gases such as NMP. By introducing room temperature air into the reflector 10, a positive pressure can be maintained inside the reflector 10, which can prevent harmful gases such as NMP evaporated during the heating process of the ceramic edge 301 from entering the reflector 10. This can prevent harmful gases such as NMP from coming into contact with the powered infrared lamp tube 20, and thus prevent NMP and other harmful gases from reaching their flash point, thereby achieving an explosion-proof effect and good safety performance. On the other hand, it can also have a cooling effect, thereby reducing the temperature of the infrared lamp tube 20.

[0033] The reflector 10 is made of, for example, aluminum, and the fume extractor 50 is made of, for example, stainless steel. One end of the reflector 10 and the other end are welded to the inner wall of one end and the inner wall of the fume extractor 50, respectively, via a reflector bracket (not shown in the figure).

[0034] In this embodiment, one end of the infrared lamp tube 20 passes through the mounting hole 13 at one end of the reflector 10 and is provided with a connector 21. The connector 21 is electrically connected to one end of the wire 22. The other end of the wire 22 passes through the clearance hole at one end of the fume extraction hood 50 and is located outside the fume extraction hood 50. The other end of the wire 22 is used to electrically connect to an external power source, which can power the infrared lamp tube 20. The other end of the infrared lamp tube 20 is connected to the inner wall of the other end of the reflector 10 through a lamp tube bracket (not shown in the figure). The lamp tube bracket is made of the same material as the reflector 10, and the lamp tube bracket is welded to the inner wall of the other end of the reflector 10.

[0035] One end of the reflector 10 and the other end are respectively provided with a first mounting hole (not shown in the figure). The first mounting hole communicates with the interior of the reflector 10. The two ends of the biconcave lens 30 are respectively provided with a second mounting hole (not shown in the figure) corresponding to the first mounting hole. Both the first mounting hole and the second mounting hole are screw holes. First fasteners such as screws are installed in the second mounting hole and the corresponding first mounting hole. The number of the first mounting hole and the second mounting hole can be set according to the actual situation.

[0036] The reflector 10 has a third mounting hole (not shown in the figure) at one end and the other end respectively. The third mounting hole communicates with the interior of the reflector 10. The convex lens 40 has a fourth mounting hole (not shown in the figure) at both ends respectively, which corresponds to the third mounting hole. Both the third and fourth mounting holes are screw holes. The fourth mounting hole and the corresponding third mounting hole are equipped with a second fastener, such as a screw. The number of the first and second mounting holes can be set according to the actual situation.

[0037] Furthermore, a flow equalization plate 60 is provided inside the exhaust hood 50, located above the reflector 10. The flow equalization plate 60 has a plurality of evenly distributed air passages 61. The number and shape of the air passages 61 can be set according to actual conditions. The flow equalization plate 60 rectifies the flow of harmful gases such as NMP, ensuring a uniform airflow into the exhaust port 52, facilitating the removal of harmful gases such as NMP.

[0038] In this embodiment, the material of the flow equalization plate 60 is the same as that of the exhaust hood 50, and the two sides of the flow equalization plate 60 are welded to the inner walls of the two sides of the exhaust hood 50 respectively.

[0039] Please refer to Figure 7 This utility model also provides a drying mechanism, including the aforementioned infrared lamp 100 and drying oven 200, wherein there are multiple infrared lamps 100. Figure 7Only one infrared lamp 100 is shown. Multiple infrared lamps 100 are spaced apart along the width of the oven 200 and located in front of the oven 200. The length direction of the infrared lamps 100 is the same as the length direction of the electrode 300. Each infrared lamp 100 corresponds to one ceramic edge 301 of the electrode 300. The exhaust hood 50 of the infrared lamps 100 is connected to the oven 200 via a mounting bracket (not shown in the figure). The number of infrared lamps 100 corresponds to the number of ceramic edges 301 of the electrode 300. In this embodiment, the electrode 300 has four ceramic edges 301 and two positive electrode slurry coatings because there are four infrared lamps 100. In practical applications, as the electrode 300 passes under multiple infrared lamps 100, the infrared lamps 100 heat the corresponding ceramic edges 301 individually, causing them to solidify. Then, the electrode 300 enters the oven 200, where the oven 200 heats the multiple positive electrode slurry coatings on the electrode 300, causing them to solidify. This process effectively dries the electrode 300. The oven 200 can be, for example, an infrared oven or a hot air oven, and the type of oven 200 can be selected according to the specific requirements. By using the aforementioned infrared lamps 100, the risk of mutual dissolution between the ceramic edges 301 and the positive electrode slurry coating of the electrode 300 can be reduced, improving the quality of the electrode.

[0040] The infrared lamp 100 of this invention is also suitable for heating the thinned area of ​​the electrode to solidify the thinned area, thereby reducing the risk of cracking in the thinned area of ​​the electrode.

[0041] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. An infrared lamp, comprising an infrared lamp tube, characterized in that, It also includes a semi-elliptical reflector, a biconcave lens, and a convex lens. The bottom end of the reflector has a reflector opening that communicates with the interior of the reflector. The infrared lamp is disposed inside the reflector and located at one focal point of the reflector. The convex lens is disposed inside the reflector opening. The biconcave lens is disposed inside the reflector and located between the infrared lamp and the convex lens. The focal point of the biconcave lens coincides with the other focal point of the reflector.

2. The infrared lamp according to claim 1, characterized in that, It also includes a fume extractor, the reflector is disposed inside the fume extractor, the bottom end of the fume extractor is provided with a fume extractor opening communicating with the interior of the fume extractor, the fume extractor opening corresponds to the reflector, and the top end of the fume extractor is provided with a fume extraction port communicating with the interior of the fume extractor.

3. The infrared lamp according to claim 2, characterized in that, One end of the reflector is provided with an air inlet pipe that communicates with the interior of the reflector. The end of the air inlet pipe that is away from the reflector passes through a through hole at one end of the exhaust hood and is located outside the exhaust hood. The other end of the reflector is provided with an exhaust hole that communicates with the interior of the reflector and the interior of the exhaust hood.

4. The infrared lamp according to claim 2, characterized in that, The width of the fume extraction hood opening gradually decreases towards the top of the fume extraction hood.

5. The infrared lamp according to claim 2, characterized in that, The air extraction hood is equipped with a flow equalization plate, which is located above the reflector. The flow equalization plate has a number of air passage holes evenly distributed on it.

6. The infrared lamp according to claim 2, characterized in that, One end of the infrared lamp tube passes through the mounting hole at one end of the reflector and is provided with a connector. The connector is electrically connected to one end of the wire. The other end of the wire passes through the clearance hole at one end of the exhaust cover and is located outside the exhaust cover. The other end of the infrared lamp tube is connected to the inner wall of the other end of the reflector through a lamp tube bracket.

7. The infrared lamp according to claim 1, characterized in that, The reflector has a first mounting hole at one end and the other end, which communicates with the interior of the reflector. The two ends of the biconcave lens have a second mounting hole corresponding to the first mounting hole. A first fastener is installed in the second mounting hole and the corresponding first mounting hole.

8. The infrared lamp according to claim 1, characterized in that, The reflector has a third mounting hole at one end and the other end, which communicates with the interior of the reflector. The convex lens has a fourth mounting hole at both ends, which corresponds to the third mounting hole. A second fastener is installed in the fourth mounting hole and the corresponding third mounting hole.

9. A drying mechanism, comprising an oven, characterized in that, It also includes an infrared lamp as described in any one of claims 1-8, wherein there are multiple infrared lamps, which are spaced apart along the width direction of the oven and located in front of the oven, the length direction of the infrared lamp is the same as the length direction of the electrode, each infrared lamp corresponds to one ceramic edge of the electrode, and the infrared lamp is connected to the oven through a mounting bracket.

Images