Far infrared oven

Abstract

The far infrared drying oven comprises an oven body, an upper ship body and a lower ship body, a drying cavity is formed in the oven body, the upper ship body and the lower ship body are both arranged in the drying cavity, the upper ship body is located above the lower ship body, a plurality of upper air nozzles are arranged at the bottom end of the upper ship body, and a plurality of lower air nozzles are arranged at the bottom end of the lower ship body. A plurality of upper tuyeres are arranged at the bottom end of the upper ship body, are sequentially arranged at intervals in the direction from the pole piece inlet to the pole piece outlet and are all communicated with the upper ship body, and a plurality of lower tuyeres are arranged at the bottom end of the lower ship body, are sequentially arranged at intervals in the direction from the pole piece inlet to the pole piece outlet and are all communicated with the lower ship body; a plurality of upper tuyeres and a plurality of lower tuyeres are arranged on the upper boat body, intervals for pole pieces to pass through are formed between the plurality of upper tuyeres and the plurality of lower tuyeres, the plurality of upper tuyeres and the plurality of lower tuyeres are distributed in an up-down staggered manner, and a plurality of far infrared heating modules are arranged at the bottom end of the upper boat body, or a plurality of far infrared heating modules are arranged at the bottom end of the lower boat body. According to the utility model, the pole piece drying efficiency is improved, the drying time is saved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lithium battery coating technology, specifically to a far infrared oven. BACKGROUND

[0002] In the lithium battery pole piece coating processing process, after the upper surface and the lower surface of the pole piece are coated, the pole piece is generally dried by an oven.

[0003] The existing oven generally realizes the drying of the pole piece by the mode that multiple upper air nozzles arranged at the bottom end of the upper hull and multiple lower air nozzles arranged at the bottom end of the lower hull blow hot air, and the drying efficiency is low by the mode of hot air, the drying time is long, the drying efficiency is reduced, and the production cost is increased. UTILITY MODEL CONTENT

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a far infrared oven, which improves the efficiency of drying the pole piece, saves the drying time, and reduces the production cost.

[0005] The utility model solves the technical scheme that the technical problem thereof adopts:

[0006] A far infrared oven, including the box, the upper hull and the lower hull, the inside of the box is equipped with the drying cavity, both ends of the box are equipped with the pole piece entrance, the pole piece outlet, the pole piece entrance, the pole piece outlet are communicated with the drying cavity respectively, the upper hull and the lower hull are all arranged in the drying cavity, and the upper hull is located above the lower hull, the upper hull and the lower hull are distributed in the staggered symmetry, one side of the box is equipped with the air inlet, the upper hull and the lower hull are communicated with the air inlet, the bottom end of the upper hull is equipped with a plurality of upper air nozzles, a plurality of upper air nozzles are sequentially and interval arranged along the direction of the pole piece entrance to the pole piece outlet and are communicated with the upper hull, the bottom end of the lower hull is equipped with a plurality of lower air nozzles, a plurality of lower air nozzles are sequentially and interval arranged along the direction of the pole piece entrance to the pole piece outlet and are communicated with the lower hull, the interval is formed for the pole piece to pass through between a plurality of upper air nozzles and a plurality of lower air nozzles, a plurality of upper air nozzles and a plurality of lower air nozzles are distributed in the staggered symmetry, the bottom end of the upper hull is equipped with a plurality of far infrared heating modules, a plurality of far infrared heating modules are all located above the interval, and each far infrared heating module is corresponded with one lower air nozzle, or, the bottom end of the lower hull is equipped with a plurality of far infrared heating modules, a plurality of far infrared heating modules are all located below the interval, and each far infrared heating module is corresponded with one upper air nozzle.

[0007] As a preferred technical scheme, the bottom end of the upper ship body is provided with a plurality of far-infrared heating modules; the far-infrared heating module comprises a shell, a far-infrared heating plate and a support, the far-infrared heating plate is arranged in the shell, an opening in communication with the inside of the shell is arranged on the outer wall of the shell near the spaced-apart one end, the opening corresponds to the far-infrared heating plate, the support is arranged on the outer wall of the shell away from the spaced-apart one end through a connecting piece, and the support is arranged at the bottom end of the upper ship body.

[0008] As a preferred technical scheme, the bottom end of the lower ship body is provided with a plurality of far-infrared heating modules; the far-infrared heating module comprises a shell, a far-infrared heating plate and a support, the far-infrared heating plate is arranged in the shell, an opening in communication with the inside of the shell is arranged on the outer wall of the shell near the spaced-apart one end, the opening corresponds to the far-infrared heating plate, the support is arranged on the outer wall of the shell away from the spaced-apart one end through a connecting piece, and the support is arranged at the bottom end of the lower ship body.

[0009] As a preferred technical scheme, the far-infrared heating module further comprises heat insulation cotton, the heat insulation cotton is arranged in the shell, and the far-infrared heating plate is located between the opening and the heat insulation cotton.

[0010] As a preferred technical scheme, the far-infrared heating module further comprises a first temperature sensor for detecting the temperature of the far-infrared heating plate, the heat insulation cotton is provided with a through hole corresponding to the first temperature sensor, the outer wall of the shell away from the spaced-apart one end is provided with an avoiding hole in communication with the inside of the shell, the avoiding hole corresponds to the through hole, one end of the first temperature sensor is in contact with the far-infrared heating plate, the other end of the first temperature sensor passes through the through hole and is located in the avoiding hole, an installation piece is arranged on the outer periphery of the first temperature sensor, the installation piece is located between the heat insulation cotton and the inner wall of the shell away from the spaced-apart one end, and the two ends of the installation piece are respectively in abutment with the inner wall of the shell away from the spaced-apart one end.

[0011] As a preferred technical scheme, the first temperature sensor is a thermocouple.

[0012] As a preferred technical scheme, the bottom end of the upper ship body is provided with a plurality of far-infrared heating modules; the bottom end of the upper ship body is provided with a support, the support corresponds to one downwind nozzle and is located above the spacing, and one side of the support is provided with a second temperature sensor for detecting the temperature of the upper surface of the pole piece.

[0013] As a preferred technical scheme, the bottom end of the lower hull is provided with a plurality of far-infrared heating modules; the bottom end of the lower hull is provided with a support corresponding to one upper blast nozzle and located below the interval, and one side of the support is provided with a second temperature sensor for detecting the temperature of the lower surface of the polar piece.

[0014] As a preferred technical scheme, the second temperature sensor is an infrared temperature sensor.

[0015] As a preferred technical scheme, the inside of the box body is provided with an air inlet cavity, the air inlet cavity and the drying cavity are separated from each other and located on one side of the drying cavity, the side of the upper hull close to the air inlet cavity is connected with the inner wall of the side of the drying cavity close to the air inlet cavity through an upper pipeline, the side of the lower hull close to the air inlet cavity is connected with the inner wall of the side of the drying cavity close to the air inlet cavity through a lower pipeline, the inner wall of the side of the drying cavity close to the air inlet cavity is provided with an upper inlet and a lower inlet corresponding to the upper pipeline and the lower pipeline respectively, the upper pipeline is in communication with the upper inlet and the upper hull respectively, the lower pipeline is in communication with the lower inlet and the lower hull respectively, and the upper inlet, the lower inlet and the air inlet are in communication with the air inlet cavity.

[0016] The utility model discloses a beneficial effect is: the utility model discloses a plurality of far-infrared heating modules are set up, and the far-infrared line heating and hot -blast heating combined mode are used to realize drying polar piece, relative to prior art, improve the thermal power of unit area, and adopt far-infrared line heating, have the characteristics such as fast heating speed, strong penetration, easy to be absorbed, heating uniform, thereby greatly improve the efficiency of drying polar piece, save drying time, reduce production cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further explained below in combination with the drawings and examples.

[0018] Figure 1 It is the first angle structure schematic view of far-infrared oven that an embodiment of the utility model provides;

[0019] Figure 2 It is Figure 1 The second angle structure schematic view of far-infrared oven shown in;

[0020] Figure 3 It is Figure 1 The schematic view of far-infrared oven shown in from drying cavity place;

[0021] Figure 4 It is Figure 1 The structure schematic view of far-infrared oven shown in removes the box body;

[0022] Figure 5 It is Figure 1The first angle structure diagram of the far infrared heating module of the far infrared oven shown;

[0023] Figure 6 is Figure 5 The second angle structure diagram of the far infrared heating module shown;

[0024] Figure 7 is Figure 5 The explosion diagram of the far infrared heating module shown. DETAILED DESCRIPTION

[0025] The concept, specific structure and technical effects of the present application will be described clearly and completely in combination with the embodiments and the drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments, based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the coupling / connection relationships involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be composed by adding or reducing coupling accessories according to the specific implementation situation. The various technical features in the present application can be interactively combined without mutual contradiction and conflict.

[0026] First embodiment

[0027] Please refer to Figures 1 to 4 The present application provides a far infrared oven, which comprises a box body 10, an upper ship body 20 and a lower ship body 30. The inside of the box body 10 is provided with a drying cavity 11, and the two ends of the box body 10 are respectively provided with a pole piece inlet 12 and a pole piece outlet 13, which are communicated with the drying cavity 11. The length direction of the upper ship body 20 and the lower ship body 30 is the same as that of the box body 10. The upper ship body 20 and the lower ship body 30 are arranged in the drying cavity 11, and the upper ship body 20 is located above the lower ship body 30. The upper ship body 20 and the lower ship body 30 are distributed in a staggered and symmetrical manner. One side, for example, the rear side of the box body 10 is provided with an air inlet 14, and the upper ship body 20 and the lower ship body 30 are communicated with the air inlet 14. The air inlet 14 is used for being communicated with a heating device, and the heating device is used for heating air to generate hot air, and the generated hot air can enter into the upper ship body 20 and the lower ship body 30 through the air inlet 14.

[0028] In the present embodiment, the two sides of the upper ship body 20 are connected with the top of the drying cavity 11 through upper connecting columns 16, and the two sides of the lower ship body 30 are connected with the bottom of the drying cavity 11 through lower connecting columns 17. The number of the upper connecting columns 16 and the lower connecting columns 17 can be set according to the actual situation.

[0029] In the embodiment, the inside of the box body 10 is provided with an air inlet cavity 15, which is separated from the drying cavity 11 and located at one side of the drying cavity 11, for example, at the rear of the drying cavity 11. The side of the upper hull 20 close to the air inlet cavity 15 is connected with the inner wall of the side of the drying cavity 11 close to the air inlet cavity 15 through an upper duct 21, and the side of the lower hull 30 close to the air inlet cavity 15 is connected with the inner wall of the side of the drying cavity 11 close to the air inlet cavity 15 through a lower duct 31. The inner wall of the side of the drying cavity 11 close to the air inlet cavity 15 is provided with an upper inlet and a lower inlet corresponding to the upper duct 21 and the lower duct 31 respectively, the upper duct 21 is in communication with the upper inlet and the upper hull 20 respectively, the lower duct 31 is in communication with the lower inlet and the lower hull 30 respectively, and the upper inlet, the lower inlet and the air inlet 14 are in communication with the air inlet cavity 15. The hot air generated by the heating device can enter the air inlet cavity 15 through the air inlet 14 first, and then enter the upper hull 20 through the upper air inlet and the upper duct 21 and enter the lower hull 30 through the lower air inlet and the lower duct 31.

[0030] The bottom end of the upper hull 20 is provided with a plurality of upper air nozzles 40 and a plurality of far-infrared heating modules 60. The plurality of upper air nozzles 40 are arranged in sequence and at intervals along the direction from the pole piece inlet 12 to the pole piece outlet 13 and are in communication with the upper hull 20. The bottom end of the lower hull 30 is provided with a plurality of lower air nozzles 50, the plurality of lower air nozzles 50 are arranged in sequence and at intervals along the direction from the pole piece inlet 12 to the pole piece outlet 13 and are in communication with the lower hull 30, and the plurality of upper air nozzles 40 and the plurality of lower air nozzles 50 form a space for the pole piece to pass through. The plurality of upper air nozzles 40 and the plurality of lower air nozzles 50 are distributed in an up-down staggered manner, and the plurality of far-infrared heating modules 60 are located above the space, and each far-infrared heating module 60 corresponds to one lower air nozzle 50.

[0031] In the embodiment, the number of far-infrared heating modules 60 is three less than the number of upper air nozzles 40, among the plurality of upper air nozzles 40, except that no far-infrared heating module 60 is arranged between the second upper air nozzle 40 and the third upper air nozzle 40 and between the last but one upper air nozzle 40 and the last but two upper air nozzle 40, one far-infrared heating module 60 is arranged between the remaining two upper air nozzles 40 respectively.

[0032] In the embodiment, the number of upper air nozzles 40 and lower air nozzles 50 is 10, and the number of far-infrared heating modules 60 is 7. It can be understood that the number of upper air nozzles 40, lower air nozzles 50 and far-infrared heating modules 60 can be set according to actual conditions.

[0033] In actual application, the pole piece enters the pole piece inlet 12 of the box body 10, passes through the interval, and then exits from the pole piece outlet 13 of the box body 10. When the pole piece passes through the interval, the hot air entering the upper ship body 20 can be blown to the upper surface of the pole piece through the plurality of upper tuyeres 40, and the hot air entering the lower ship body 30 can be blown to the lower surface of the pole piece through the plurality of lower tuyeres 50, so that the pole piece is heated by hot air. Meanwhile, the plurality of far-infrared heating modules 60 can radiate far-infrared rays to the upper surface of the pole piece, so that the pole piece is heated by far-infrared rays. Thus, the pole piece can be dried. The wavelength range of the far-infrared rays is 4-1000 microns. The plurality of far-infrared heating modules 60 are arranged, so that the pole piece can be dried by combining far-infrared heating and hot air heating. Compared with the prior art, the unit area heat power is improved, and the far-infrared heating has the characteristics of fast heating speed, strong penetration, easy heat absorption, and uniform heating. Therefore, the drying efficiency of the pole piece is greatly improved, the drying time is saved, and the production cost is reduced.

[0034] The upper ship body 20, the lower ship body 30, the upper tuyere 40, and the lower tuyere 50 are existing structures, and the structures of the upper ship body 20, the lower ship body 30, the upper tuyere 40, and the lower tuyere 50 will not be described here. The length direction of the upper tuyere 40 is the same as the width direction of the upper ship body 20, and the length direction of the lower tuyere 50 is the same as the width direction of the lower ship body 30.

[0035] In combination Figures 5 to 7 As shown in the figure, the far-infrared heating module 60 comprises a shell 61, a far-infrared heating plate 62, a support 63, heat insulation cotton 65, and a first temperature sensor 66 for detecting the temperature of the far-infrared heating plate 62.

[0036] The length direction of the shell 61 is the same as the width direction of the upper ship body 20, the length direction of the far-infrared heating plate 62 is the same as the length direction of the shell 61, the far-infrared heating plate 62 is arranged in the shell 61, one end of the shell 61 close to the interval is provided with an opening in communication with the inside of the shell 61, the opening corresponds to the far-infrared heating plate 62, and the far-infrared heating plate 62 generates heat after being electrified, so as to radiate far-infrared rays to the upper surface of the pole piece, thereby realizing far-infrared heating of the pole piece. The opening is arranged to facilitate the far-infrared heating plate 62 to radiate far-infrared rays to the upper surface of the pole piece. The length direction of the support 63 is the same as the length direction of the shell 61, the support 63 is arranged on the outer wall of one end of the shell 61 away from the interval through the connecting piece 64, and the support 63 is arranged at the bottom end of the upper ship body 20.

[0037] In this embodiment, the connecting piece 64 is a plurality of, for example, four, and the four connecting pieces 64 are arranged at intervals along the length direction of the shell 61. It can be understood that the number of the connecting piece 64 can be arranged according to actual conditions.

[0038] The connecting piece 64 comprises a U-shaped piece 641 and two L-shaped pieces 642. The vertical part of the U-shaped piece 641 is attached to the outer wall of the one end of the shell 61 away from the interval, and the two horizontal parts of the U-shaped piece 641 are respectively arranged on the two side outer walls of the shell 61. The vertical parts of the two L-shaped pieces 642 are respectively arranged on the two sides of the bracket 63, and the horizontal parts of the two L-shaped pieces 642 are respectively arranged on the vertical part of the U-shaped piece 641.

[0039] The heat insulation cotton 65 is arranged in the shell 61, and the length direction of the heat insulation cotton 65 is the same as the length direction of the shell 61. The length and width of the heat insulation cotton 65 and the far infrared heating plate 62 are the same. The far infrared heating plate 62 is located between the opening and the heat insulation cotton 65. The heat insulation cotton 65 is arranged to play a heat insulation role, so that the temperature above the shell 61 is not too high.

[0040] The first temperature sensor 66 is a thermocouple. The heat insulation cotton 65 is provided with a through hole corresponding to the first temperature sensor 66. The outer wall of the one end of the shell 61 away from the interval is provided with an avoiding hole 612 communicating with the inside of the shell 61. The avoiding hole 612 corresponds to the through hole. One end of the first temperature sensor 66 is in contact with the far infrared heating plate 62, and the other end of the first temperature sensor 66 passes through the through hole and is located in the avoiding hole 612. The first temperature sensor 66 is arranged to detect the temperature of the far infrared heating plate 62. When the detected temperature exceeds the normal working temperature of the far infrared heating plate 62, the far infrared heating plate 62 is powered off through control, so as to avoid damage caused by the working temperature of the far infrared heating plate 62 exceeding the limit. The outer periphery of the first temperature sensor 66 is sleeved with a mounting piece 661. The mounting piece 661 is located between the heat insulation cotton 65 and the inner wall of the one end of the shell 61 away from the interval. The two ends of the mounting piece 661 respectively abut against the inner wall of the one end of the shell 61 away from the interval. The mounting piece 661 is arranged to fix the first temperature sensor 66, so that the first temperature sensor 66 cannot move out of the through hole and the avoiding hole 612.

[0041] In the embodiment, the first temperature sensor 66 is three. The three first temperature sensors 66 are distributed at intervals along the length direction of the shell 61. It can be understood that the number of the first temperature sensor 66 can be arranged according to actual conditions. The number of the through hole and the avoiding hole 612 corresponds to the number of the first temperature sensor 66.

[0042] Further, the bottom end of the upper hull 20 is provided with a support 70, the length direction of the support 70 is the same as the width direction of the upper hull 20, the support 70 corresponds to one lower tuyere 50 and is located above the interval, one side of the support 70 is provided with a second temperature sensor 80 for detecting the temperature of the upper surface of the pole piece. The second temperature sensor 80 is an infrared temperature sensor. By detecting the temperature of the upper surface of the pole piece through the second temperature sensor 80, the heating power of the far-infrared heating plate 62 can be adjusted according to the detected temperature, so that the temperature of the pole piece heating can be adjusted.

[0043] In the embodiment, the second temperature sensor 80 is arranged on one side of the support 70 through a sensor support. The support 70 and the second temperature sensor 80 are two respectively. The two second temperature sensors 80 are arranged symmetrically left and right, and can also be asymmetrically arranged. One of the supports 70 is arranged between the second upper tuyere 40 and the third upper tuyere 40, and the other support 70 is arranged between the last but one upper tuyere 40 and the last but two upper tuyere 40. Understandably, the number of supports 70 and second temperature sensors 80 can be arranged according to actual conditions.

[0044] Second embodiment

[0045] The far-infrared oven provided by the second embodiment of the utility model is different from the first embodiment, that is, the bottom end of the lower hull 30 of the embodiment is provided with a plurality of far-infrared heating modules 60, the plurality of far-infrared heating modules 60 are all located below the interval, and each far-infrared heating module 60 corresponds to one upper tuyere 40. The number of far-infrared heating modules 60 is three less than the number of lower tuyeres 50, among the plurality of lower tuyeres 50, except that no far-infrared heating module 60 is arranged between the second lower tuyere 50 and the third lower tuyere 50 and between the last but one lower tuyere 50 and the last but two lower tuyere 50, one far-infrared heating module 60 is arranged between the remaining two lower tuyeres 50 respectively. The number of lower tuyeres 50 in the embodiment is 10, so the number of far-infrared heating modules 60 is 7.

[0046] Through the above structure, in actual application, the pole piece enters from the pole piece inlet 12 of the box body 10, passes through the interval and goes out from the pole piece outlet 13 of the box body 10, when the pole piece passes through the interval, the hot air entering the upper hull 20 can blow to the upper surface of the pole piece through the plurality of upper tuyeres 40, the hot air entering the lower hull 30 can blow to the lower surface of the pole piece through the plurality of lower tuyeres 50, so as to realize hot air heating of the pole piece, and at the same time, the plurality of far-infrared heating modules 60 can radiate far-infrared rays to the lower surface of the pole piece, so as to realize far-infrared heating of the pole piece, so as to realize drying of the pole piece. The embodiment can achieve the same technical effect as the first embodiment, which will not be described here.

[0047] The structure of the far-infrared heating module 60 of the embodiment is the same as that of the first embodiment, and the only difference is that the length direction of the shell 61 of the far-infrared heating module of the embodiment is the same as the width direction of the lower hull 30, the support 63 is arranged at the bottom end of the lower hull 50, and the far-infrared heating plate 62 generates heat after being powered on, so as to realize the radiation of far-infrared rays to the lower surface of the pole piece, thereby realizing the far-infrared heating of the pole piece. The opening is arranged to facilitate the far-infrared heating plate 62 to radiate far-infrared rays to the lower surface of the pole piece, and the heat insulation cotton 65 is arranged to play a heat insulation role, so that the temperature below the shell 61 is not too high.

[0048] The bottom end of the lower hull 50 of the embodiment is provided with a support 70, the length direction of the support 70 is the same as the width direction of the lower hull 50, the support 70 corresponds to one upper air nozzle 40 and is located below the interval, and one side of the support 70 is provided with a second temperature sensor 80 for detecting the temperature of the lower surface of the pole piece. The second temperature sensor 80 is an infrared temperature sensor. The temperature of the lower surface of the pole piece is detected by the second temperature sensor 80, so that the heating power of the far-infrared heating plate 62 can be adjusted according to the detected temperature, thereby realizing the adjustment of the heating temperature of the pole piece.

[0049] In the embodiment, the second temperature sensor 80 is arranged on one side of the support 70 through a sensor support. The support 70 and the second temperature sensor 80 are two respectively. The two second temperature sensors 80 are arranged symmetrically left and right, or can be asymmetrically arranged. One of the supports 70 is arranged between the second lower air nozzle 50 and the third lower air nozzle 50, and the other support 70 is arranged between the last but one lower air nozzle 50 and the last but two lower air nozzle 50. Understandably, the number of the support 70 and the second temperature sensor 80 can be arranged according to actual conditions.

[0050] The above is a specific description of the preferred implementation of the utility model, but the utility model is not limited to the embodiments described above. 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 scope defined by the claims of the present application.

Claims

1. A far-infrared drying oven, comprising a box body, an upper hull, and a lower hull, wherein the box body has a drying chamber inside, and the two ends of the box body are respectively provided with an electrode inlet and an electrode outlet, the electrode inlet and the electrode outlet being connected to the drying chamber, the upper hull and the lower hull are both disposed within the drying chamber, with the upper hull positioned above the lower hull, the upper hull and the lower hull being symmetrically distributed in a staggered manner, an air inlet is provided on one side of the box body, and both the upper hull and the lower hull are connected to the air inlet, the bottom end of the upper hull is provided with multiple upper air nozzles, the multiple upper air nozzles being arranged sequentially at intervals along the direction from the electrode inlet to the electrode outlet and all being connected to the upper hull, the bottom end of the lower hull is provided with multiple lower air nozzles, the multiple lower air nozzles being arranged sequentially at intervals along the direction from the electrode inlet to the electrode outlet and all being connected to the lower hull, and the multiple upper air nozzles and the multiple lower air nozzles forming an interval for the electrode to pass through, characterized in that... Multiple upwind nozzles and multiple downwind nozzles are staggered vertically. Multiple far-infrared heating modules are provided at the bottom of the upper hull, and all of the multiple far-infrared heating modules are located above the intervals. Each far-infrared heating module corresponds to a downwind nozzle. Alternatively, multiple far-infrared heating modules are provided at the bottom of the lower hull, and all of the multiple far-infrared heating modules are located below the intervals. Each far-infrared heating module corresponds to an upwind nozzle.

2. The far-infrared drying oven according to claim 1, characterized in that, The bottom of the upper hull is provided with multiple far-infrared heating modules; each far-infrared heating module includes a shell, a far-infrared heating plate and a bracket. The far-infrared heating plate is disposed inside the shell. The outer wall of the shell near the interval has an opening that communicates with the interior of the shell. The opening corresponds to the far-infrared heating plate. The bracket is disposed on the outer wall of the shell away from the interval through a connector. The bracket is disposed at the bottom of the upper hull.

3. The far-infrared drying oven according to claim 1, characterized in that, The bottom of the lower hull is provided with multiple far-infrared heating modules; each far-infrared heating module includes a shell, a far-infrared heating plate and a bracket. The far-infrared heating plate is disposed inside the shell. The outer wall of the shell near the interval has an opening that communicates with the interior of the shell. The opening corresponds to the far-infrared heating plate. The bracket is disposed on the outer wall of the shell away from the interval via a connector. The bracket is disposed at the bottom of the lower hull.

4. The far-infrared drying oven according to claim 2 or 3, characterized in that, The far-infrared heating module also includes heat insulation cotton, which is disposed inside the housing, and the far-infrared heating plate is located between the opening and the heat insulation cotton.

5. The far-infrared drying oven according to claim 4, characterized in that, The far-infrared heating module further includes a first temperature sensor for detecting the temperature of the far-infrared heating plate. The heat insulation cotton is provided with a through hole corresponding to the first temperature sensor. The outer wall of the housing at the end away from the gap is provided with a clearance hole communicating with the interior of the housing. The clearance hole corresponds to the through hole. One end of the first temperature sensor is in contact with the far-infrared heating plate. The other end of the first temperature sensor passes through the through hole and is located in the clearance hole. A mounting member is sleeved on the outer periphery of the first temperature sensor. The mounting member is located between the heat insulation cotton and the inner wall of the housing at the end away from the gap. The two ends of the mounting member abut against the inner wall of the housing at the end away from the gap, respectively.

6. The far-infrared drying oven according to claim 5, characterized in that, The first temperature sensor is a thermocouple.

7. The far-infrared drying oven according to claim 1, characterized in that, The bottom of the upper hull is provided with multiple far-infrared heating modules; the bottom of the upper hull is provided with a support member, which corresponds to a downwind nozzle and is located above the interval; a second temperature sensor is provided on one side of the support member for detecting the temperature of the upper surface of the electrode.

8. The far-infrared drying oven according to claim 1, characterized in that, The bottom of the lower hull is provided with multiple far-infrared heating modules; the bottom of the lower hull is provided with a support member, which corresponds to an upwind nozzle and is located below the interval; a second temperature sensor is provided on one side of the support member for detecting the temperature of the lower surface of the electrode.

9. The far-infrared drying oven according to claim 7 or 8, characterized in that, The second temperature sensor is an infrared temperature sensor.

10. The far-infrared drying oven according to claim 1, characterized in that, The housing has an air inlet chamber inside, which is separated from the drying chamber and located on one side of the drying chamber. The side of the upper hull near the air inlet chamber is connected to the inner wall of the drying chamber near the air inlet chamber via an upper pipe. The side of the lower hull near the air inlet chamber is connected to the inner wall of the drying chamber near the air inlet chamber via a lower pipe. The inner wall of the drying chamber near the air inlet chamber has an upper inlet and a lower inlet corresponding to the upper pipe and the lower pipe, respectively. The upper pipe is connected to the upper inlet and the upper hull, and the lower pipe is connected to the lower inlet and the lower hull, respectively. The upper inlet, lower inlet, and air inlet are all connected to the air inlet chamber.

Images