Drying oven and coating equipment

Abstract

The present invention discloses a drying oven and coating equipment. The present invention relates to the field of drying ovens. The drying oven comprises: an oven body, a gas flow channel formed in the oven body, the gas flow channel being adapted to be passed through by an object to be dried along a first direction, the gas in the gas flow channel being adapted to flow along the first direction, the gas flow channel being configured to cause the object to be dried to be suspended in the gas flow channel when the gas flows through the gas flow channel; and a heating device, the heating device being provided in the oven body, the heating device being configured to heat the object to be dried. Thus, by configuring the gas flow channel to cause the object to be dried to be suspended in the gas flow channel when the gas flows through the gas flow channel, compared with the prior art, the risk of vibration of the object to be dried during the drying process can be reduced, which is beneficial for uniform drying of the object to be dried and reducing the risk of cracking of the object to be dried, thereby facilitating improved product quality of the object to be dried, and reducing the risk of belt breakage of the object to be dried, thereby facilitating improved production efficiency of the object to be dried.

Description

Technical Field

[0001] The present invention relates to the field of drying ovens, in particular to a drying oven and a coating device having the drying oven. Background Art

[0002] In the related art, during the production of battery cell objects to be dried (such as current collectors), after the current collectors are coated and printed, they are heated in a drying oven to remove moisture from the wet film and make the current collectors drier and more stable. Existing drying ovens use nozzles to blow hot air vertically toward the current collectors to dry them. This causes the current collectors to vibrate during the drying process, resulting in uneven drying and cracking, which affects the product quality of the current collectors. Furthermore, during the movement of the current collectors, vibrations can easily cause the current collectors to break, affecting production efficiency.

[0003] Furthermore, the hot air used to dry the current collector is discharged through the drying oven's exhaust port, carrying away most of the heat. This results in significant heat loss and low energy efficiency. Existing drying ovens require a hot air circulation system, which results in a bulky drying oven, taking up more space and increasing factory costs. Summary of the Invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide a drying oven that facilitates uniform drying of current collectors, reduces the risk of current collector cracking, thereby improving the product quality of the current collectors and improving the production efficiency of the current collectors.

[0005] The present invention further provides a coating device.

[0006] In a first aspect, an embodiment of the present invention provides a drying oven, comprising:

[0007] an oven body, wherein a gas flow channel is formed in the oven body, the gas flow channel is adapted to be passed through by an object to be dried in a first direction, gas in the gas flow channel is adapted to flow in the first direction, and the gas flow channel is configured to suspend the object to be dried in the gas flow channel when the gas flows through the gas flow channel;

[0008] The heating device is arranged on the oven body and is used to heat the object to be dried.

[0009] In the above technical solution, the gas flow channel is configured to suspend the object to be dried in the gas flow channel when the gas flows through the gas flow channel, so that the position of the object to be dried can be stabilized and the shaking of the object to be dried can be reduced. Compared with the existing technology, the risk of shaking of the object to be dried can be reduced during the drying process of the object to be dried, which is conducive to uniform drying of the object to be dried and reducing the risk of cracking of the object to be dried, thereby facilitating improving the product quality of the object to be dried, and reducing the risk of belt breakage of the object to be dried, thereby facilitating improving the production efficiency of the object to be dried.

[0010] In some embodiments, the gas flow channel includes: an object channel, a first gas flow channel, and a second gas flow channel; along the second direction, the object channel is located between the first gas flow channel and the second gas flow channel, the object channel connects the first gas flow channel and the second gas flow channel, the object channel is suitable for being passed through by the object to be dried, and the first direction and the second direction are perpendicular.

[0011] In the above technical solution, along the second direction, the object channel is located between the first gas flow channel and the second gas flow channel, and the object channel connects the first gas flow channel and the second gas flow channel. When the object to be dried passes through the object channel, the effect of having gas flow channels on both sides of the object to be dried is achieved, and then when the gas flows through the first gas flow channel and the second gas flow channel, the object to be dried is suspended in the gas flow channels.

[0012] In some embodiments, the object channel, the first gas flow channel, and the second gas flow channel are parallel to each other.

[0013] In the above technical solution, the object channel, the first gas flow channel and the second gas flow channel are arranged in parallel with each other, which is conducive to stably suspending the object to be dried when the gas flows through the first gas flow channel and the second gas flow channel, thereby further reducing the shaking of the object to be dried.

[0014] In some embodiments, the gas flow direction in the first gas flow channel is the same as the gas flow direction in the second gas flow channel; or

[0015] The gas flow direction in the first gas flow channel is opposite to the gas flow direction in the second gas flow channel.

[0016] In the above technical solution, by making the gas flow direction in the first gas flow channel the same as the gas flow direction in the second gas flow channel, or by making the gas flow direction in the first gas flow channel the opposite to the gas flow direction in the second gas flow channel, the effect of suspending the object to be dried in the gas flow channel when the gas flows through the first gas flow channel and the second gas flow channel is achieved.

[0017] In some embodiments, the drying oven further includes: a gas transport device, the gas transport device is connected to both the first gas flow channel and the second gas flow channel, the gas transport device is configured to allow gas to flow into or out of the first gas flow channel, and the gas transport device is also configured to allow gas to flow into or out of the second gas flow channel.

[0018] In the above technical solution, the gas transport device is configured to allow gas to flow into or out of the first gas flow channel, and the gas transport device is also configured to allow gas to flow into or out of the second gas flow channel. The use of one gas transport device can meet the gas flow requirements in the first gas flow channel and the second gas flow channel, which is conducive to simplifying the structure of the drying oven, thereby helping to reduce the complexity of the drying oven structure, and further facilitating the production and manufacturing of the drying oven.

[0019] In some embodiments, the gas transport device has an inlet flow channel, an exhaust flow channel, a first fan and a second fan. The inlet flow channel is connected to the first gas flow channel and the second gas flow channel. The first fan is configured to allow gas to flow into the first gas flow channel and the second gas flow channel through the inlet flow channel. The exhaust flow channel is connected to the first gas flow channel and the second gas flow channel. The second fan is configured to allow gas to flow out of the first gas flow channel and the second gas flow channel.

[0020] In the above technical solution, by providing the inlet flow channel, the exhaust flow channel, the first fan and the second fan, it is possible to achieve the effect of gas flowing into the first gas flow channel and the second gas flow channel, and also to achieve the effect of gas flowing out of the first gas flow channel and the second gas flow channel, thereby facilitating the effect of suspending the object to be dried in the gas flow channel.

[0021] In some embodiments, the intake channel has an air inlet connecting the intake channel and the external environment of the drying oven, and the exhaust channel has an exhaust port connecting the exhaust channel and the external environment of the drying oven.

[0022] In the above technical solution, the air inlet connects the inlet duct to the external environment of the drying oven. When the first fan is operating, gas can flow into the inlet duct through the air inlet, thereby meeting the demand for air supply to the inlet duct and thus meeting the demand for air supply to the first and second air ducts. The exhaust duct connects the exhaust duct to the external environment of the drying oven through the exhaust duct. When the second fan is operating, gas in the first and second air ducts can be discharged from the drying oven through the exhaust duct and the exhaust duct, thereby meeting the demand for exhaust from the first and second air ducts. Furthermore, when gas in the first and second air ducts flows out of the exhaust duct, it can carry away water vapor generated by drying the objects to be dried in the drying oven, thereby facilitating improved drying efficiency of the objects to be dried.

[0023] In some embodiments, at least one of the air inlet and the air outlet is provided with an on-off valve.

[0024] In the above technical solution, an opening and closing valve is provided through at least one of the air inlet and the exhaust port, and the opening and closing valve can be selectively opened or closed. When the drying oven is drying the object to be dried, the opening and closing valve is opened to allow the gas to flow into the first gas flow channel and the second gas flow channel, and the gas in the first gas flow channel and the second gas flow channel can also flow out of the drying oven. When the drying oven is not in use, the opening and closing valve is closed, which can reduce the risk of objects in the external environment entering the drying oven through the air inlet and the exhaust port, thereby helping to keep the drying oven clean, reduce the risk of objects in the external environment affecting the operation of the drying oven, and help the drying oven meet usage requirements.

[0025] In some embodiments, the intake flow channel includes: an intake main channel, a first intake branch channel and a second intake branch channel, the first intake branch channel connects the intake main channel and the first gas flow channel, and the second intake branch channel connects the intake main channel and the second gas flow channel.

[0026] In the above technical solution, the main intake channel and the first gas channel are connected through the first intake branch channel, and the main intake channel and the second gas channel are connected through the second intake branch channel, so that the gas can be guided into the first gas channel and the second gas channel. Moreover, by setting up one main intake channel, the gas can be guided into the first intake branch channel and the second intake branch channel, which is conducive to simplifying the structure of the intake channel, thereby simplifying the structure of the gas transport device, and further reducing the manufacturing difficulty of the gas transport device.

[0027] In some embodiments, a gas filtering device is provided in the main air inlet passage.

[0028] In the above technical solution, the gas can be filtered by the gas filter device before flowing into the first air inlet branch channel and the second air inlet branch channel, thereby improving the cleanliness of the gas flowing into the first gas flow channel and the second gas flow channel, reducing the risk of contamination of the object to be dried, and making the location of the gas filter device reasonable.

[0029] In some embodiments, a reserved area for a heating mechanism is provided in the main air intake passage.

[0030] In the above technical solution, by providing a reserved area for the heating mechanism in the main air intake channel, it is possible to reasonably select whether to install a heating mechanism in the reserved area for the heating mechanism according to actual usage conditions. When the heating mechanism is installed in the reserved area for the heating mechanism, the gas flowing through the main air intake channel can be heated by the heating mechanism. When the heated gas flows into the first gas flow channel and the second gas flow channel, the heated gas can dry the object to be dried, thereby further improving the drying efficiency of the object to be dried, and further helping to improve the drying capacity of the drying oven.

[0031] In some embodiments, the exhaust flow channel includes: an exhaust main flow channel, a first exhaust branch flow channel, and a second exhaust branch flow channel. The first exhaust branch flow channel connects the exhaust main flow channel and the first gas flow channel, and the second exhaust branch flow channel connects the exhaust main flow channel and the second gas flow channel.

[0032] In the above technical solution, the exhaust main channel and the first gas channel are connected by the first exhaust branch channel, and the exhaust main channel and the second gas channel are connected by the second exhaust branch channel, so that the gas in the first gas channel and the second gas channel can be drained out of the drying oven. Moreover, by setting up a main exhaust channel, the gas can be drained out of the drying oven, which is conducive to simplifying the exhaust channel structure, thereby being more conducive to simplifying the structure of the gas transport device, and further being more conducive to reducing the manufacturing difficulty of the gas transport device.

[0033] In some embodiments, the gas transport device includes: a first box, a second box and a third box, the second box is connected between the first box and the third box, part of the intake duct is formed in the first box and another part is formed in the second box, part of the exhaust duct is formed in the third box and another part is formed in the second box, and the first fan and the second fan are both arranged in the second box.

[0034] In the above technical solution, by arranging the first box body, the second box body and the third box body, the gas can flow into the first gas flow channel and the second gas flow channel from the same side of the drying oven, and the gas in the first gas flow channel and the second gas flow channel can also flow out from the same side of the drying oven, so that the structure of the gas transport device is simple, which is conducive to simplifying the structure of the drying oven, making the structure of the drying oven more compact, and helping to reduce the volume of the drying oven.

[0035] In some embodiments, the drying oven further includes: a negative pressure exhaust pipe, wherein a feed port and a discharge port are formed at opposite ends of the object channel along the first direction, and the negative pressure exhaust pipe is connected to at least one of the feed port and the discharge port.

[0036] In the above technical solution, a negative pressure exhaust pipe is provided, and the negative pressure exhaust pipe is connected to at least one of the feed port and the discharge port. When the exhaust device is working, the gas at the feed port is extracted through the first exhaust pipe of the negative pressure exhaust pipe to form a negative pressure in the feed port, and the gas at the discharge port is extracted through the second exhaust pipe of the negative pressure exhaust pipe to form a negative pressure in the discharge port. The gas in the gas flow channel can be extracted through the negative pressure exhaust pipe, thereby reducing the risk of gas in the gas flow channel overflowing from the feed port and the discharge port. Since the gas in the gas flow channel has a certain temperature, the risk of gas in the gas flow channel overflowing from the feed port and the discharge port and scalding the user can be reduced, which is beneficial to improving the safety of the drying oven.

[0037] In some embodiments, the heating device is a light heating device or an electromagnetic heating device.

[0038] In the above technical solution, the heating device is set as a light heating device or an electromagnetic heating device. Compared with the case where the heating device is constructed as a drying oven and uses a nozzle to dry the object to be dried, the drying oven of the present invention does not need to be provided with a hot air circulation system, which is beneficial to reducing the volume of the drying oven, reducing the space occupied by the drying oven, and reducing the factory cost. It is also beneficial to improve the heating efficiency of the heating device, and is beneficial to improve the heating speed of the heating device. At the same time, the heating device can use more energy for drying, which is beneficial to improve energy utilization. In addition, it is beneficial to reduce the temperature inside the oven body, making the production process safer.

[0039] In some embodiments, the heating device is disposed in the oven body, and the heating device is disposed on at least one side of the gas flow channel along a second direction perpendicular to the first direction.

[0040] In the above technical solution, a heating device is provided on at least one side of the gas flow channel. It is possible to reasonably select one side or both sides of the gas flow channel to be provided with a heating device according to actual needs. When heating devices are provided on both sides of the gas flow channel, during the drying process of the object to be dried, the heating devices located on both sides of the object to be dried can dry the two surfaces of the object to be dried respectively. Both surfaces of the object to be dried are heated and dried simultaneously, which is conducive to further improving the drying efficiency of the object to be dried.

[0041] In some embodiments, a partition is provided in the oven body, the partition is located between the heating device and the gas flow channel, and the partition is constructed as a flow channel wall of the gas flow channel. The partition is formed with a transparent portion, and the transparent portion corresponds to the corresponding heating device.

[0042] In the above technical solution, a partition is located between the heating device and the gas flow channel, and the partition is constructed as a flow channel wall of the gas flow channel, which can make the gas flow more smoothly in the first gas flow channel and the second gas flow channel, reducing the risk of slurry on the surface of the object to be dried and affecting the laser homogenizer, facilitating the layout and maintenance of the heating device, and reducing the probability of generated hot water vapor affecting the heating device, thereby extending the service life of the heating device and reducing the maintenance cost of the drying oven. A transparent portion is formed on the partition. When the heating device is configured as a light heating device, when the heating device emits heating light toward the object to be dried, the light can pass through the corresponding transparent portion and act on the object to be dried, achieving the effect of heating and drying the object to be dried. In addition, when the heating device is configured as an electromagnetic heating device, the effect of heating and drying the object to be dried can also be achieved.

[0043] In some embodiments, there are multiple heating devices, and along the second direction, the multiple heating devices are respectively located on both sides of the gas flow channel, and the heating device located on one side of the gas flow channel and the heating device located on the other side of the gas flow channel are at least partially staggered along the first direction.

[0044] In the above technical solution, by at least partially staggering the heating device located on one side of the gas flow channel and the heating device located on the other side of the gas flow channel along the first direction, it is beneficial to increase the heating coverage area of ​​multiple heating devices and further conducive to improving the drying efficiency of the drying oven.

[0045] In some embodiments, the position of the heating device is adjustable along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

[0046] In the above technical solution, the position of the heating device along the third direction is adjustable, and the position of the heating device along the third direction can be adjusted according to actual heating needs. The heating device can be adjusted to a suitable position, so that the heating device can better heat the object to be dried, which is beneficial to improving the drying efficiency of the object to be dried.

[0047] In a second aspect, an embodiment of the present invention further provides a coating device, comprising the above-mentioned drying oven.

[0048] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0050] Figure 1 is a schematic diagram of a drying oven according to an embodiment of the present invention;

[0051] Figure 2 is another perspective schematic diagram of a drying oven according to an embodiment of the present invention;

[0052] Figure 3 is a front view of a drying oven according to an embodiment of the present invention;

[0053] Figure 4 is a side view of a drying oven according to an embodiment of the present invention;

[0054] Figure 5 yes Figure 4 Cross-section at AA;

[0055] Figure 6 is a top view of a drying oven according to an embodiment of the present invention;

[0056] Figure 7 is a schematic cross-sectional view of a drying oven according to an embodiment of the present invention.

[0057] Reference numerals:

[0058] Drying oven 100;

[0059] Oven body 10;

[0060] Gas flow channel 11;

[0061] Object channel 111; feed port 1111; discharge port 1112;

[0062] First gas flow channel 112; first gas flow channel inlet 1121; first gas flow channel outlet 1122;

[0063] Second gas flow channel 113; second gas flow channel inlet 1131; second gas flow channel outlet 1132;

[0064] Second inspection door 12;

[0065] Heating device 20;

[0066] Gas transport device 30;

[0067] Intake flow channel 31; intake main channel 311; first intake branch channel 312; second intake branch channel 313;

[0068] Exhaust flow channel 32; exhaust main flow channel 321; first exhaust branch flow channel 322; second exhaust branch flow channel 323;

[0069] First fan 33; second fan 34; air inlet 35; exhaust port 36;

[0070] First box body 37; first box body 371; second box body 372; third box body 373;

[0071] Second box body 38; fourth box body 381; fifth box body 382; sixth box body 383; first inspection door 384;

[0072] The third box 39;

[0073] Gas filtering device 40; Heating mechanism reserved area 50;

[0074] Negative pressure exhaust pipe 60; first exhaust pipe 61; second exhaust pipe 62;

[0075] Partition 70; Transparent portion 71;

[0076] First guide plate 80; second guide plate 90; observation window 91;

[0077] An object 200 to be dried. DETAILED DESCRIPTION

[0078] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0079] Unless otherwise defined, all technical and scientific terms used in the present invention have the same meanings as commonly understood by those skilled in the art to which the present invention pertains. The terms used in the specification and application of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The terms "including" and "having," as well as any variations thereof, in the specification and claims of the present invention and the accompanying drawings are intended to cover non-exclusive inclusions. The terms "first," "second," etc., in the specification and claims of the present invention and the accompanying drawings are used to distinguish between different objects, rather than to describe a specific order or a primary-secondary relationship.

[0080] Reference to an "embodiment" in the present invention means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments.

[0081] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "attached" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0082] In this disclosure, the term "and / or" simply describes an association between related objects, indicating that three possible relationships exist. For example, "C and / or D" can represent: C exists alone, C and D exist simultaneously, or D exists alone. Furthermore, the character " / " in this disclosure generally indicates that the related objects are in an "or" relationship.

[0083] In the embodiments of the present invention, identical reference numerals denote identical components, and for the sake of brevity, detailed descriptions of identical components in different embodiments are omitted. It should be understood that the thickness, length, width, and other dimensions of various components in the embodiments of the present invention, as well as the overall thickness, length, width, and other dimensions of the integrated device shown in the drawings, are merely illustrative and do not constitute any limitation on the present invention.

[0084] The term “plurality” used in the present invention refers to two or more (including two).

[0085] In the battery cell coating production process, during the production process of the object to be dried of the battery cell, as an example, the object to be dried is a current collector, which needs to be dried.

[0086] In the present invention, battery cells may include lithium-ion secondary batteries, lithium-ion primary batteries, lithium-sulfur batteries, sodium-lithium-ion batteries, sodium-ion batteries, or magnesium-ion batteries, etc., and the embodiments of the present invention do not limit this. Battery cells may be cylindrical, flat, rectangular, or other shapes, etc., and the embodiments of the present invention do not limit this. Battery cells are generally divided into three types based on the packaging method: cylindrical battery cells, prismatic battery cells, and soft-pack battery cells, and the embodiments of the present invention do not limit this.

[0087] A battery cell includes a casing, an electrode assembly, and an electrolyte. The casing is used to hold the electrode assembly and the electrolyte. The electrode assembly consists of a positive electrode sheet, a negative electrode sheet, and a separator. The battery cell mainly relies on the movement of metal ions between the positive electrode sheet and the negative electrode sheet to work. The positive electrode sheet includes a positive electrode collector and a positive electrode active material layer. The positive electrode active material layer is coated on the surface of the positive electrode collector. The positive electrode collector not coated with the positive electrode active material layer protrudes from the positive electrode collector coated with the positive electrode active material layer. The positive electrode collector not coated with the positive electrode active material layer serves as the positive electrode tab. Taking lithium-ion batteries as an example, the material of the positive electrode collector can be aluminum, and the positive electrode active material can be lithium cobalt oxide, lithium iron phosphate, ternary lithium, or lithium manganese oxide, etc. The negative electrode sheet consists of a negative current collector and a negative active material layer. The negative active material layer is coated on the surface of the negative current collector. The negative current collector uncoated with the negative active material layer protrudes from the negative current collector coated with the negative active material layer. The negative current collector uncoated with the negative active material layer serves as the negative electrode tab. The negative current collector can be made of copper, and the negative active material can be carbon, silicon, or other materials. To ensure that high currents can pass without melting, multiple positive electrode tabs are stacked together, and multiple negative electrode tabs are stacked together.

[0088] The material of the separator may be PP (polypropylene) or PE (polyethylene), etc. In addition, the electrode assembly may be a wound structure or a laminated structure, but the embodiments of the present invention are not limited thereto.

[0089] In recent years, new energy vehicles have experienced rapid development. In the electric vehicle sector, battery cells, as the power source of electric vehicles, play an irreplaceable and important role. As core components of new energy vehicles, battery cells have high reliability requirements.

[0090] During the production of battery cell drying materials (such as current collectors), after the current collectors are coated and printed, they enter a drying oven for heating to remove moisture from the wet film and make them drier and more stable. Existing drying ovens use nozzles to blow hot air vertically toward the current collectors to dry them. This causes the current collectors to vibrate during the drying process, resulting in uneven drying and cracking, which affects product quality. Furthermore, during the movement of the current collectors, vibrations can easily cause the current collectors to break, affecting production efficiency.

[0091] Based on the above considerations, and in order to address the problem of the current collector being prone to shaking during the drying process, a drying oven was designed after in-depth research, comprising: an oven body, wherein a gas flow channel is formed within the oven body, the gas flow channel being adapted for passage of an object to be dried along a first direction, the gas flow channel being configured to cause the object to be dried to suspend within the gas flow channel as gas flows through the gas flow channel; and a heating device, disposed within the oven body, for heating the object to be dried. By configuring the gas flow channel to cause the object to be dried to suspend within the gas flow channel as gas flows through the gas flow channel, the position of the object to be dried can be stabilized, and shaking of the object to be dried can be reduced. Compared to the prior art, this reduces the risk of shaking of the object to be dried during the drying process, facilitates uniform drying of the object to be dried, reduces the risk of cracking of the object to be dried, thereby improving the product quality of the object to be dried, and reduces the risk of belt breakage of the object to be dried, thereby improving the production efficiency of the object to be dried.

[0092] Reference below Figure 1-Figure 7 The drying oven 100 according to an embodiment of the present invention is described. The drying oven 100 is used to dry an object 200 to be dried. The object 200 to be dried may be a current collector.

[0093] like Figure 1-Figure 7 As shown, a drying oven 100 according to an embodiment of the present invention includes: an oven body 10, wherein a gas flow channel 11 is formed in the oven body 10. The gas flow channel 11 is adapted to allow an object 200 to be dried to pass through the gas flow channel 11 in a first direction. The gas flow channel 11 is adapted to flow in the first direction. The gas flow channel 11 is configured to suspend the object 200 to be dried in the gas flow channel 11 when the gas flows through the gas flow channel 11. The heating device 20 is disposed in the oven body 10 and is used to heat the object 200 to be dried.

[0094] The oven body 10 can be constructed as a metal box, or as a glass box, so that the interior of the oven body 10 can be viewed. A gas flow channel 11 is formed in the oven body 10, and gas can be blown into the gas flow channel 11. The gas in the gas flow channel 11 can flow out of the gas flow channel 11. When the gas is blown into the gas flow channel 11, it can flow along the gas flow channel 11, so that the gas flows out of the gas flow channel 11 along the gas flow channel 11. When the gas flows out of the gas flow channel 11, it can take away the water vapor generated by drying the object 200 to be dried in the drying oven 100. The gas flow channel 11 can extend along a first direction, and the object 200 to be dried passes through the gas flow channel 11 along the first direction, and the object 200 to be dried passes through the oven body 10. The present invention is based on the drying oven 100 with Figure 5 Direction placement is used as an example to illustrate the first direction. Figure 5 Along the first direction, gas can flow into the gas flow channel 11 from one end of the gas flow channel 11, and the gas in the gas flow channel 11 can flow out of the gas flow channel 11 from the other end.

[0095] The heating device 20 is disposed within the oven body 10. The heating device 20 can be configured as a light-emitting heating device 20 or an electromagnetic heating device 20. The light-emitting heating device 20 can be an infrared lamp, an infrared panel, a UV lamp, etc., while the electromagnetic heating device 20 can be an electromagnetic heating panel, etc. The heating device 20 can be disposed within the oven body 10. Compared to a drying oven 100 in which the heating device 20 is configured as a nozzle to dry the object 200 to be dried, the drying oven 100 of the present invention does not require a hot air circulation system, thereby reducing the volume of the drying oven 100, reducing the space occupied by the drying oven 100, and reducing factory costs.

[0096] When the object to be dried 200 passes through the gas flow channel 11 along the first direction, the second direction refers to Figure 5 In the Z direction, gas flow channels 11 are provided on both sides of the object 200 to be dried. The gas flowing into these channels is at room temperature, making it more energy-efficient than hot air. When gas flows along the first direction within the gas flow channels 11 on both sides of the object 200 to be dried, the object 200 to be dried is suspended within the gas flow channels 11, stabilizing the position of the object 200 and reducing the amount of vibration of the object 200 to be dried. Compared to the prior art, this reduces the risk of vibration during the drying process, facilitating uniform drying of the object 200 and reducing the risk of cracking, thereby improving the product quality of the object 200 to be dried. Furthermore, when the object 200 to be dried moves along the first direction, the risk of belt breakage is reduced, thereby improving the production efficiency of the object 200 to be dried.

[0097] In the above technical solution, the gas flow channel 11 is configured to suspend the object 200 to be dried in the gas flow channel 11 when the gas flows through the gas flow channel 11. This can stabilize the position of the object 200 to be dried and reduce the shaking of the object 200 to be dried. Compared with the prior art, the risk of shaking of the object 200 to be dried can be reduced during the drying process, which is conducive to uniform drying of the object 200 to be dried and reduces the risk of cracking of the object 200 to be dried, thereby improving the product quality of the object 200 to be dried. In addition, the risk of belt breakage of the object 200 to be dried is reduced, thereby improving the production efficiency of the object 200 to be dried.

[0098] According to some embodiments of the present invention, Figure 5 As shown, the gas flow channel 11 includes: an object channel 111, a first gas flow channel 112, and a second gas flow channel 113. Along the second direction, the object channel 111 is located between the first gas flow channel 112 and the second gas flow channel 113. The object channel 111 connects the first gas flow channel 112 and the second gas flow channel 113. The object channel 111 is suitable for the object 200 to be dried to pass through. The first direction and the second direction are perpendicular.

[0099] The gas flow channel 11 includes an object channel 111, a first gas flow channel 112, and a second gas flow channel 113. The object channel 111, the first gas flow channel 112, and the second gas flow channel 113 are arranged along the second direction. The object channel 111 is located between the first gas flow channel 112 and the second gas flow channel 113. Figure 5 As shown, along the second direction, first gas flow channel 112 is located above second gas flow channel 113, object channel 111 is open toward the end of first gas flow channel 112, and object channel 111 is open toward the end of second gas flow channel 113, thereby connecting object channel 111 with first gas flow channel 112 and second gas flow channel 113. Object 200 to be dried passes through object channel 111, thereby achieving the effect of having gas flow channels 11 on both sides of object 200 to be dried. Consequently, when gas flows through first gas flow channel 112 and second gas flow channel 113, object 200 to be dried is suspended in gas flow channel 11.

[0100] In the above technical solution, along the second direction, the object channel 111 is located between the first gas flow channel 112 and the second gas flow channel 113, and the object channel 111 communicates with the first gas flow channel 112 and the second gas flow channel 113. When the object 200 to be dried passes through the object channel 111, the gas flow channels 11 are provided on both sides of the object 200 to be dried. As a result, when the gas flows through the first gas flow channel 112 and the second gas flow channel 113, the object 200 to be dried is suspended in the gas flow channel 11.

[0101] According to some embodiments of the present invention, Figure 5As shown, the object channel 111 , the first gas flow channel 112 and the second gas flow channel 113 are parallel to each other.

[0102] In the first direction, the object channel 111, the first gas flow channel 112, and the second gas flow channel 113 are arranged parallel to each other, or the object channel 111, the first gas flow channel 112, and the second gas flow channel 113 are arranged approximately parallel to each other. After the object 200 to be dried passes through the object channel 111, when the gas flows through the first gas flow channel 112 and the second gas flow channel 113, it is beneficial to stabilize the suspension of the object 200 to be dried, thereby further reducing the amount of vibration of the object 200 to be dried.

[0103] In the above technical solution, the object channel 111, the first gas flow channel 112, and the second gas flow channel 113 are arranged in parallel with each other. When the gas flows through the first gas flow channel 112 and the second gas flow channel 113, it is beneficial to stabilize the suspension of the object to be dried 200, thereby further reducing the vibration of the object to be dried 200.

[0104] According to some embodiments of the present invention, Figure 5 As shown, the gas flow direction in the first gas flow channel 112 is the same as the gas flow direction in the second gas flow channel 113. Alternatively, the gas flow direction in the first gas flow channel 112 is opposite to the gas flow direction in the second gas flow channel 113.

[0105] Among them, Figure 5 As shown, the gas flow direction within the first gas flow channel 112 is the same as the gas flow direction within the second gas flow channel 113. As an example, gas flows into the first gas flow channel 112 through the right end of the first gas flow channel 112 and flows out of the first gas flow channel 112 from the left end of the first gas flow channel 112. Gas flows into the second gas flow channel 113 through the right end of the second gas flow channel 113 and flows out of the second gas flow channel 113 from the left end of the second gas flow channel 113. As another example, gas flows into the first gas flow channel 112 through the left end of the first gas flow channel 112 and flows out of the first gas flow channel 112 from the right end of the first gas flow channel 112. Gas flows into the second gas flow channel 113 through the left end of the second gas flow channel 113 and flows out of the second gas flow channel 113 from the right end of the second gas flow channel 113.

[0106] Alternatively, the gas flow direction in the first gas flow channel 112 is opposite to the gas flow direction in the second gas flow channel 113. Figure 5As shown, as an example, gas flows into the first gas flow channel 112 through the right end of the first gas flow channel 112 and flows out of the first gas flow channel 112 from the left end of the first gas flow channel 112, and gas flows into the second gas flow channel 113 through the left end of the second gas flow channel 113 and flows out of the second gas flow channel 113 from the right end of the second gas flow channel 113. As another example, gas flows into the first gas flow channel 112 through the left end of the first gas flow channel 112 and flows out of the first gas flow channel 112 from the right end of the first gas flow channel 112, and gas flows into the second gas flow channel 113 through the right end of the second gas flow channel 113 and flows out of the second gas flow channel 113 from the left end of the second gas flow channel 113.

[0107] In the above technical solution, by making the gas flow direction in the first gas flow channel 112 the same as the gas flow direction in the second gas flow channel 113, or by making the gas flow direction in the first gas flow channel 112 the same as the gas flow direction in the second gas flow channel 113, or by making the gas flow direction in the first gas flow channel 112 the same as the gas flow direction in the second gas flow channel 113, the object to be dried 200 is suspended in the gas flow channel 11 when the gas flows through the first gas flow channel 112 and the second gas flow channel 113.

[0108] According to some embodiments of the present invention, Figure 1 、 Figure 2 and Figure 5 As shown, the drying oven 100 further includes: a gas transport device 30, which is connected to the first gas flow channel 112 and the second gas flow channel 113, and the gas transport device 30 is configured to allow gas to flow into or out of the first gas flow channel 112, and the gas transport device 30 is also configured to allow gas to flow into or out of the second gas flow channel 113.

[0109] The drying oven 100 may further include: a gas transport device 30; the first gas channel 112 has a first gas channel inlet 1121 and a first gas channel outlet 1122; the gas transport device 30 is in communication with both the first gas channel inlet 1121 and the first gas channel outlet 1122; when the gas transport device 30 is in operation, gas flows into the first gas channel 112 through the first gas channel inlet 1121, and the gas in the first gas channel 112 flows out of the first gas channel 112 through the first gas channel outlet 1122. The second gas channel 113 has a second gas channel inlet 1131 and a second gas channel outlet 1132; the gas transport device 30 is in communication with both the second gas channel inlet 1131 and the second gas channel outlet 1132; when the gas transport device 30 is in operation, gas flows into the second gas channel 113 through the second gas channel inlet 1131, and the gas in the second gas channel 113 flows out of the first gas channel 112 through the second gas channel outlet 1132. Figure 5As shown, along the first direction, the present invention is described by taking the right end of the first gas flow channel 112 as the first gas flow channel inlet 1121 and the left end of the first gas flow channel 112 as the first gas flow channel outlet 1122 as an example, and taking the right end of the second gas flow channel 113 as the second gas flow channel inlet 1131 and the left end of the second gas flow channel 113 as the second gas flow channel outlet 1132 as an example.

[0110] As an example, the gas transport device 30 is constructed as a hair dryer, which is connected to the first gas flow channel inlet 1121 and the second gas flow channel inlet 1131. The hair dryer blows air into the first gas flow channel 112 and the second gas flow channel 113, so that the gas in the first gas flow channel 112 flows along the first direction, and the gas in the second gas flow channel 113 flows along the first direction, so that the gas in the first gas flow channel 112 flows out of the first gas flow channel 112 from the first gas flow channel outlet 1122, and the gas in the second gas flow channel 113 flows out of the second gas flow channel 113 from the second gas flow channel outlet 1132.

[0111] As another example, the gas transport device 30 is constructed as an exhaust fan, which is connected to the first gas flow channel outlet 1122 and the second gas flow channel outlet 1132. Through the operation of the exhaust fan, gas is drawn into the first gas flow channel 112 from the first gas flow channel inlet 1121, so that the gas in the first gas flow channel 112 flows along the first direction, and gas is drawn into the second gas flow channel 113 from the second gas flow channel inlet 1131, so that the gas in the second gas flow channel 113 flows along the first direction, so that the gas in the first gas flow channel 112 flows out of the first gas flow channel 112 from the first gas flow channel outlet 1122, and the gas in the second gas flow channel 113 flows out of the second gas flow channel 113 from the second gas flow channel outlet 1132.

[0112] In the above technical solution, the gas transport device 30 is configured to allow gas to flow into or out of the first gas flow channel 112, and the gas transport device 30 is also configured to allow gas to flow into or out of the second gas flow channel 113. The use of one gas transport device 30 can meet the gas flow requirements in the first gas flow channel 112 and the second gas flow channel 113, which is conducive to simplifying the structure of the drying oven 100, thereby helping to reduce the structural complexity of the drying oven 100, and further facilitating the production and manufacturing of the drying oven 100.

[0113] According to some embodiments of the present invention, Figure 1 、 Figure 2 and Figure 7As shown, the gas transport device 30 has an inlet flow channel 31, an exhaust flow channel 32, a first fan 33 and a second fan 34. The inlet flow channel 31 is connected to the first gas flow channel 112 and the second gas flow channel 113. The first fan 33 is configured to allow gas to flow into the first gas flow channel 112 and the second gas flow channel 113 through the inlet flow channel 31. The exhaust flow channel 32 is connected to the first gas flow channel 112 and the second gas flow channel 113. The second fan 34 is configured to allow gas to flow out of the first gas flow channel 112 and the second gas flow channel 113.

[0114] The gas transport device 30 includes an inlet duct 31, an exhaust duct 32, a first blower 33, and a second blower 34. The inlet duct 31 is in communication with both the first gas duct 112 and the second gas duct 113. For example, the inlet duct 31 is directly connected to both the first gas duct 112 and the second gas duct 113, thereby connecting both the inlet duct 31 and the second gas duct 113. For another example, the inlet duct 31 is indirectly connected to both the first gas duct 112 and the second gas duct 113 via a connecting pipe. The exhaust duct 32 is in communication with both the first gas duct 112 and the second gas duct 113. For example, the exhaust duct 32 is directly connected to both the first gas duct 112 and the second gas duct 113, thereby connecting both the first gas duct 112 and the second gas duct 113. For another example, the exhaust duct 32 is indirectly connected to both the first gas duct 112 and the second gas duct 113 via a connecting pipe.

[0115] The first fan 33 can be a circulating fan. The first fan 33 can be arranged in the inlet air duct 31. When the first fan 33 is working, the first fan 33 can make the gas outside the drying oven 100 flow into the inlet air duct 31. The gas flowing into the inlet air duct 31 flows into the first gas flow channel 112 and the second gas flow channel 113 under the action of the first fan 33, so that the gas flows along the first direction in the first gas flow channel 112 and the second gas flow channel 113.

[0116] The second fan 34 can be an exhaust fan, and the second fan 34 can be set at the exhaust port 36 of the exhaust duct 32. When the second fan 34 is working, the gas in the first gas duct 112 and the gas in the second gas duct 113 can flow into the exhaust duct 32, and the gas flowing into the exhaust duct 32 can flow out of the drying oven 100 through the exhaust port 36 of the exhaust duct 32.

[0117] In the above technical solution, by providing the inlet flow channel 31, the exhaust flow channel 32, the first fan 33 and the second fan 34, it is possible to achieve the effect of gas flowing into the first gas flow channel 112 and the second gas flow channel 113, and also to achieve the effect of gas flowing out of the first gas flow channel 112 and the second gas flow channel 113, thereby facilitating the effect of suspending the object 200 to be dried in the gas flow channel 11.

[0118] According to some embodiments of the present invention, Figure 1 、 Figure 2 and Figure 7 As shown, the inlet duct 31 has an air inlet 35 , which connects the inlet duct 31 with the external environment of the drying oven 100 , and the exhaust duct 32 has an exhaust port 36 , which connects the exhaust duct 32 with the external environment of the drying oven 100 .

[0119] The inlet duct 31 is connected to the air inlet 35, which connects the inlet duct 31 with the external environment of the drying oven 100. When the first fan 33 is operating, gas can flow into the inlet duct 31 through the air inlet 35, thereby supplying air to the inlet duct 31 and thus to the first and second gas ducts 112 and 113. The exhaust duct 32 is connected to the exhaust port 36, which connects the exhaust duct 32 with the external environment of the drying oven 100. When the second fan 34 is operating, gas in the first and second gas ducts 112 and 113 can be discharged from the drying oven 100 through the exhaust duct 32 and the exhaust port 36, thereby exhausting the first and second gas ducts 112 and 113. Furthermore, when the gas in the first gas flow channel 112 and the second gas flow channel 113 flows out from the exhaust port 36 , it can take away the water vapor generated by drying the object 200 in the drying oven 100 , thereby improving the drying efficiency of the object 200 .

[0120] In the above technical solution, the air inlet 35 connects the inlet duct 31 with the external environment of the drying oven 100. When the first fan 33 is operating, gas can flow into the inlet duct 31 through the air inlet 35, thereby supplying air to the inlet duct 31 and thus to the first and second air ducts 112 and 113. The exhaust duct 36 connects the exhaust duct 32 with the external environment of the drying oven 100. When the second fan 34 is operating, gas in the first and second air ducts 112 and 113 can be discharged from the drying oven 100 through the exhaust duct 32 and the exhaust duct 36, thereby exhausting air from the first and second air ducts 112 and 113. Furthermore, when the gas in the first and second air ducts 112 and 113 flows out of the exhaust duct 36, it can carry away water vapor generated by drying the objects 200 in the drying oven 100, thereby improving the drying efficiency of the objects 200.

[0121] According to some embodiments of the present invention, at least one of the air inlet 35 and the air outlet 36 is provided with an opening and closing valve.

[0122] As an example, the air inlet 35 is provided with an on-off valve. As another example, the exhaust port 36 is provided with an on-off valve. As another example, both the air inlet 35 and the exhaust port 36 are provided with on-off valves. The present invention is described by taking the example of both the air inlet 35 and the exhaust port 36 being provided with on-off valves. The on-off valves may be mechanical valves, which can be opened or closed manually by a user. The on-off valves may also be electric valves, which can be opened or closed electrically. When the drying oven 100 is drying the object 200 to be dried, the on-off valve at the air inlet 35 and the on-off valve at the exhaust port 36 are both opened, allowing gas to flow into the first gas flow channel 112 and the second gas flow channel 113, and also allowing gas in the first gas flow channel 112 and the second gas flow channel 113 to flow out of the drying oven 100. When the drying oven 100 is not in use, the on-off valve at the air inlet 35 and the on-off valve at the exhaust port 36 are closed, which can reduce the risk of objects in the external environment (dust, animals, etc.) entering the drying oven 100 through the air inlet 35 and the exhaust port 36, thereby helping to keep the drying oven 100 clean, reducing the risk of objects in the external environment affecting the operation of the drying oven 100, and helping to ensure that the drying oven 100 meets usage requirements.

[0123] In the above technical solution, an on-off valve is provided through at least one of the air inlet 35 and the exhaust port 36, and the on-off valve can be selectively opened or closed. When the drying oven 100 dries the object 200 to be dried, the on-off valve is opened to allow the gas to flow into the first gas flow channel 112 and the second gas flow channel 113, and the gas in the first gas flow channel 112 and the second gas flow channel 113 can also flow out of the drying oven 100. When the drying oven 100 is not in use, the on-off valve is closed, which can reduce the risk of objects in the external environment entering the drying oven 100 through the air inlet 35 and the exhaust port 36, thereby facilitating keeping the drying oven 100 clean, reducing the risk of objects in the external environment affecting the operation of the drying oven 100, and facilitating the drying oven 100 to meet usage requirements.

[0124] According to some embodiments of the present invention, Figure 2 、 Figure 5 and Figure 7 As shown, the intake flow channel 31 includes: an intake main channel 311, a first intake branch channel 312 and a second intake branch channel 313. The first intake branch channel 312 connects the intake main channel 311 and the first gas flow channel 112, and the second intake branch channel 313 connects the intake main channel 311 and the second gas flow channel 113.

[0125] Among them, the intake flow channel 31 may include an intake main channel 311, a first intake branch channel 312 and a second intake branch channel 313. One end of the intake main channel 311 is connected to the air inlet 35, and the other end of the intake main channel 311 is connected to the first intake branch channel 312. The first intake branch channel 312 is connected to the first gas channel 112, so that the first intake branch channel 312 connects the intake main channel 311 and the first gas channel 112, so that the gas flowing in from the air inlet 35 can flow into the first gas channel 112 through the intake main channel 311 and the first intake branch channel 312. The other end of the main intake channel 311 is also connected to the second intake branch channel 313, and the second intake branch channel 313 is connected to the second gas channel 113, so that the second intake branch channel 313 connects the main intake channel 311 and the second gas channel 113, so that the gas flowing in from the air inlet 35 can flow into the second gas channel 113 through the main intake channel 311 and the second intake branch channel 313.

[0126] In the above technical solution, the main intake channel 311 and the first gas channel 112 are connected through the first intake branch channel 312, and the second intake branch channel 313 is connected to the main intake channel 311 and the second gas channel 113, so that the gas can be guided into the first gas channel 112 and the second gas channel 113. Moreover, by setting up a main intake channel 311, the gas can be guided into the first intake branch channel 312 and the second intake branch channel 313, which is conducive to simplifying the structure of the intake channel 31, thereby helping to simplify the structure of the gas transport device 30, and further helping to reduce the manufacturing difficulty of the gas transport device 30.

[0127] According to some embodiments of the present invention, Figure 2 and Figure 7 As shown, a gas filtering device 40 is provided in the main air inlet passage 311 .

[0128] The drying oven 100 includes a gas filter 40, which can be a medium-efficiency circulation filter. When gas flows through the gas filter 40, the gas filter 40 can filter out particulate matter in the gas, such as dust, fibers, and some bacteria, thereby improving the cleanliness of the gas. The gas filter 40 can be disposed within the main inlet passage 311. When gas flows into the inlet passage 31 through the air inlet 35, the gas flows from the main inlet passage 311 into the first inlet branch passage 312 and the second inlet branch passage 313. Therefore, by disposing the gas filter 40 within the main inlet passage 311, the gas can be filtered by the gas filter 40 before flowing into the first inlet branch passage 312 and the second inlet branch passage 313, thereby improving the cleanliness of the gas flowing into the first gas passage 112 and the second gas passage 113, reducing the risk of contamination of the object 200 to be dried, and thus ensuring that the gas filter 40 is disposed in a reasonable position.

[0129] In the above technical solution, by providing a gas filter device 40 in the main air inlet channel 311, the gas can be filtered by the gas filter device 40 before flowing into the first air inlet branch channel 312 and the second air inlet branch channel 313, thereby improving the cleanliness of the gas flowing into the first gas flow channel 112 and the second gas flow channel 113, reducing the risk of contamination of the object to be dried 200, and thus making the location of the gas filter device 40 reasonable.

[0130] According to some embodiments of the present invention, Figure 2 and Figure 7 As shown, a heating mechanism reserved area 50 is provided in the main air intake passage 311 .

[0131] Among them, along the direction of gas flow in the main air inlet channel 311, the heating mechanism reserved area 50 can be set on the upstream side of the gas filter device 40, the heating mechanism reserved area 50 can also be set on the downstream side of the gas filter device 40, and the heating mechanism reserved area 50 can also be set on both the upstream and downstream sides of the gas filter device 40. The heating mechanism reserved area 50 can be installed with a heating mechanism, which can be a heating rod, a heating tube, etc. The user can reasonably choose whether to install a heating mechanism in the heating mechanism reserved area 50 according to actual usage. When the heating mechanism reserved area 50 is installed with a heating mechanism, the gas flowing through the main air inlet channel 311 can be heated by the heating mechanism. When the heated gas flows into the first gas flow channel 112 and the second gas flow channel 113, the heated gas can dry the object to be dried 200, thereby further improving the drying efficiency of the object to be dried 200, and then helping to improve the drying capacity of the drying oven 100.

[0132] In the above technical solution, by providing a heating mechanism reserved area 50 in the main air inlet channel 311, it is possible to reasonably select whether to install a heating mechanism in the heating mechanism reserved area 50 according to actual usage conditions. When the heating mechanism reserved area 50 is installed with a heating mechanism, the gas flowing through the main air inlet channel 311 can be heated by the heating mechanism. When the heated gas flows into the first gas flow channel 112 and the second gas flow channel 113, the heated gas can dry the object to be dried 200, thereby further improving the drying efficiency of the object to be dried 200, and further facilitating improving the drying capacity of the drying oven 100.

[0133] According to some embodiments of the present invention, Figure 2 、 Figure 4 、 Figure 5 and Figure 7 As shown, the exhaust flow channel 32 includes: an exhaust main flow channel 321, a first exhaust branch flow channel 322 and a second exhaust branch flow channel 323. The first exhaust branch flow channel 322 connects the exhaust main flow channel 321 and the first gas flow channel 112, and the second exhaust branch flow channel 323 connects the exhaust main flow channel 321 and the second gas flow channel 113.

[0134] The exhaust flow channel 32 may include an exhaust main channel 321, a first exhaust branch channel 322, and a second exhaust branch channel 323. One end of the exhaust main channel 321 is connected to the exhaust port 36, and the other end of the exhaust main channel 321 is connected to the first exhaust branch channel 322. The first exhaust branch channel 322 is connected to the first gas flow channel 112, so that the first exhaust branch channel 322 connects the exhaust main channel 321 and the first gas flow channel 112, allowing the gas in the first gas flow channel 112 to flow out of the drying oven 100 through the first exhaust branch channel 322, the exhaust main channel 321, and the exhaust port 36. The other end of the exhaust main channel 321 is also connected to the second exhaust branch channel 323, which is connected to the second gas flow channel 113, so that the gas in the second gas flow channel 113 flows out of the drying oven 100 through the second exhaust branch channel 323, the exhaust main channel 321, and the exhaust port 36.

[0135] In the above technical solution, the exhaust main channel 321 and the first gas channel 112 are connected by the first exhaust branch channel 322, and the second exhaust branch channel 323 is connected to the exhaust main channel 321 and the second gas channel 113, so that the gas in the first gas channel 112 and the second gas channel 113 can be drained out of the drying oven 100. Moreover, by setting up an exhaust main channel 321, the gas can be drained out of the drying oven 100, which is conducive to simplifying the structure of the exhaust channel 32, thereby being more conducive to simplifying the structure of the gas transport device 30, and further being more conducive to reducing the manufacturing difficulty of the gas transport device 30.

[0136] According to some embodiments of the present invention, Figure 2 、 Figure 4 and Figure 7 As shown, the gas transport device 30 includes: a first box body 37, a second box body 38 and a third box body 39, the second box body 38 is connected between the first box body 37 and the third box body 39, a portion of the intake duct 31 is formed in the first box body 37 and another portion is formed in the second box body 38, a portion of the exhaust duct 32 is formed in the third box body 39 and another portion is formed in the second box body 38, and the first fan 33 and the second fan 34 are both arranged in the second box body 38.

[0137] The gas delivery device 30 may include: a first box 37, a second box 38 and a third box 39. The first box 37, the second box 38 and the third box 39 may be arranged outside the oven body 10, and the second box 38 is connected between the first box 37 and the third box 39. Figure 2 and Figure 7 As shown, along the first direction, the second box 38 is located between the first box 37 and the third box 39. The second box 38 can be fixedly connected to the first box 37, and the second box 38 can be fixedly connected to the third box 39. A portion of the intake air duct 31 is formed in the first box 37, and another portion of the intake air duct 31 is formed in the second box 38.

[0138] As an example, the first air intake branch channel 312 and the second air intake branch channel 313 are formed in the first box body 37, and the air intake main channel 311 is formed in the second box body 38. The first box body 37 may include a first box body 371, a second box body 372 and a third box body 373. The first box body 371, the second box body 372 and the third box body 373 may be integrally formed. The first box body 371 and the third box body 373 are opposite and spaced apart along the second direction. The first box body 371 and the third box body 373 both extend along the first direction. The first box body 371 and the third box body 373 may be parallel to each other. The second box body 372 is connected between the first box body 371 and the third box body 373. The first box body 371 is located at the third box body 373. Above the box body 373, a first air intake diverter 312 is formed on the first box body 371 and the second box body 372, and a second air intake diverter 313 is formed on the second box body 372 and the third box body 373. A second box body inlet is formed on the side wall of the second box body 372 facing the second box body 38. One end of the first air intake diverter 312 and one end of the second air intake diverter 313 are both connected to the second box body inlet, the other end of the first air intake diverter 312 is connected to the first gas flow channel 112, and the other end of the second air intake diverter 313 is connected to the second gas flow channel 113. A second box body outlet is formed on the side wall of the second box body 38 facing the second box body 372, and the second box body outlet is connected to the second box body inlet and the air intake main channel 311. After the gas in the main intake channel 311 flows into the inlet of the second box body through the outlet of the second box body, the gas is diverted in the second box body 372, with part of the gas flowing to the first intake diverter channel 312 and the other part of the gas flowing to the second intake diverter channel 313, thereby achieving the effect of making the gas flow into the first gas flow channel 112 and the second gas flow channel 113 at the same time.

[0139] As an example, the first exhaust manifold 322 and the second exhaust manifold 323 are formed in the third box body 39, the exhaust main channel 321 is formed in the second box body 38, the third box body 39 may include a fourth box body 381, a fifth box body 382 and a sixth box body 383, the fourth box body 381, the fifth box body 382 and the sixth box body 383 may be integrally formed, the fourth box body 381 and the sixth box body 383 are opposite and spaced apart along the second direction, the fifth box body 382 is connected between the fourth box body 381 and the sixth box body 383, the fourth box body 381 is located above the sixth box body 383, the first exhaust manifold 322 is formed in the fourth box body The main body 381 and the fifth box body 382, ​​the second exhaust diverter channel 323 is formed on the fifth box body 382 and the sixth box body 383, the fifth box body 382 is formed with a fifth box body outlet on the side wall facing the second box body 38, one end of the first exhaust diverter channel 322 and one end of the second exhaust diverter channel 323 are both connected to the fifth box body outlet, the other end of the first exhaust diverter channel 322 is connected to the first gas flow channel 112, and the other end of the second exhaust diverter channel 323 is connected to the second gas flow channel 113, the second box body 38 is formed with a second box body inlet on the side wall facing the fifth box body 382, ​​and the second box body inlet is connected to the fifth box body outlet and the exhaust main channel 321. The gas flowing out of the first gas flow channel 112 and the gas flowing out of the second gas flow channel 113 converge in the fifth box body 382, ​​and the gas in the fifth box body 382 flows into the exhaust main channel 321 through the fifth box body outlet and the second box body inlet, thereby achieving the effect of making the gas in the first gas flow channel 112 and the gas in the second gas flow channel 113 flow out of the drying oven 100 at the same time.

[0140] As an example, the air inlet 35 and the exhaust port 36 can both be formed in the second box body 38. Along the second direction, the air inlet 35 and the exhaust port 36 can both be formed on the top wall of the second box body 38. The first fan 33 and the second fan 34 are both fixed to the second box body 38. The first fan 33 and the second fan 34 are both detachably connected to the second box body 38. The first fan 33 can be fixed to the side wall of the second box body 38, the second fan 34 can be fixed to the top wall of the second box body 38, and the second fan 34 can be set at the exhaust port 36.

[0141] In the above technical solution, by arranging the first box body 37, the second box body 38 and the third box body 39, the gas can flow into the first gas flow channel 112 and the second gas flow channel 113 from the same side of the drying oven 100, and the gas in the first gas flow channel 112 and the second gas flow channel 113 can also flow out from the same side of the drying oven 100, so that the structure of the gas conveying device 30 is simple, which is conducive to simplifying the structure of the drying oven 100, making the structure of the drying oven 100 more compact, and helping to reduce the volume of the drying oven 100.

[0142] According to some embodiments of the present invention, Figure 2 and Figure 5 As shown, a first guide plate 80 may be provided in the first box body 371. The first guide plate 80 is located in the first air inlet manifold 312. A first arc-shaped connection structure is formed at the connection between the second box body 372 and the first box body 371. The first guide plate 80 is parallel to the first direction. After the gas flows into the first air inlet manifold 312, the guiding effect of the first guide plate 80 and the first arc-shaped connection structure can help improve the flow rate of the gas flowing into the first gas flow channel 112, thereby allowing the object 200 to be dried to be more stably suspended in the gas flow channel 11.

[0143] like Figure 2 and Figure 5 As shown, a second guide plate 90 may be provided in the third box body 373. The second guide plate 90 is located in the second air inlet manifold 313. A second arc-shaped connection structure is formed at the connection between the second box body 372 and the third box body 373. The second guide plate 90 is parallel to the first direction. After the gas flows into the second air inlet manifold 313, the guiding effect of the second guide plate 90 and the second arc-shaped connection structure can help improve the flow rate of the gas flowing into the second gas flow channel 113, thereby allowing the object 200 to be dried to be more stably suspended in the gas flow channel 11.

[0144] According to some embodiments of the present invention, Figure 2 As shown, the second box body 38 can form a first inspection door 384. The user can open the first inspection door 384 to enter the gas delivery device 30 and inspect the internal structural components of the gas delivery device 30. When inspection is not required, the first inspection door 384 can be closed to reduce the risk of external substances from the drying oven 100 entering the interior of the gas delivery device 30.

[0145] According to some embodiments of the present invention, Figure 1 As shown, the oven body 10 can form a second inspection door 12. The user can open the second inspection door 12 to enter the oven body 10 and inspect the internal structural parts of the oven body 10. When inspection is not required, the second inspection door 12 can be closed to reduce the risk of external substances from the drying oven 100 entering the interior of the oven body 10.

[0146] According to some embodiments of the present invention, Figure 2 and Figure 5 As shown, the drying oven 100 further includes: a negative pressure exhaust pipe 60, and along the first direction, a feed port 1111 and a discharge port 1112 are respectively formed at the opposite ends of the object channel 111, and the negative pressure exhaust pipe 60 is connected to at least one of the feed port 1111 and the discharge port 1112.

[0147] In which, the drying oven 100 may also include: a negative pressure exhaust pipe 60, along the first direction, the opposite ends of the object channel 111 are respectively formed with a feed port 1111 and an outlet port 1112, the object channel 111 is connected to the feed port 1111 and the outlet port 1112, and the negative pressure exhaust pipe 60 is connected to at least one of the feed port 1111 and the outlet port 1112, that is, the negative pressure exhaust pipe 60 is connected to the feed port 1111, or the negative pressure exhaust pipe 60 is connected to the outlet port 1112, or the negative pressure exhaust pipe 60 is connected to both the feed port 1111 and the outlet port 1112. The present invention is explained by taking the example that the negative pressure exhaust pipe 60 is connected to the feed port 1111 and the discharge port 1112. The negative pressure exhaust pipe 60 may include a first exhaust pipe 61 and a second exhaust pipe 62. The first exhaust pipe 61 connects the feed port 1111 and the exhaust device, and the first exhaust pipe 61 is connected to the feed port 1111 through the side wall of the feed port 1111. The second exhaust pipe 62 connects the discharge port 1112 and the exhaust device, and the second exhaust pipe 62 is connected to the discharge port 1112 through the side wall of the discharge port 1112. The exhaust device may be a second fan 34, or the exhaust device may be a separately arranged exhaust fan. When the exhaust device is working, the gas at the feed port 1111 is extracted through the first exhaust pipe 61 to form a negative pressure in the feed port 1111, and the gas at the outlet port 1112 is extracted through the second exhaust pipe 62 to form a negative pressure in the outlet port 1112. The gas in the gas flow channel 11 can be extracted through the negative pressure exhaust pipe 60, thereby reducing the risk of gas in the gas flow channel 11 overflowing from the feed port 1111 and the outlet port 1112. Since the gas in the gas flow channel 11 has a certain temperature, the risk of gas in the gas flow channel 11 overflowing from the feed port 1111 and the outlet port 1112 to scald the user can be reduced, which is beneficial to improving the safety of using the drying oven 100.

[0148] In the above technical solution, a negative pressure exhaust pipe 60 is provided, and the negative pressure exhaust pipe 60 is connected to at least one of the feed port 1111 and the discharge port 1112. When the exhaust device is working, the gas at the feed port 1111 is extracted through the first exhaust pipe 61 to form a negative pressure in the feed port 1111, and the gas at the discharge port 1112 is extracted through the second exhaust pipe 62 to form a negative pressure in the discharge port 1112. The gas in the gas flow channel 11 can be extracted through the negative pressure exhaust pipe 60, thereby reducing the risk of the gas in the gas flow channel 11 overflowing from the feed port 1111 and the discharge port 1112. Since the gas in the gas flow channel 11 has a certain temperature, the risk of the gas in the gas flow channel 11 overflowing from the feed port 1111 and the discharge port 1112 to scald the user can be reduced, which is beneficial to improving the safety of the drying oven 100.

[0149] According to some embodiments of the present invention, Figure 5As shown, the heating device 20 is disposed in the oven body 10 , and the heating device 20 is disposed on at least one side of the gas flow channel 11 along a second direction perpendicular to the first direction.

[0150] The heating device 20 is provided in the oven body 10. The heating device 20 can be provided in the oven body 10 along the second direction, which is perpendicular to the first direction. Figure 5 In the Z direction, a heating device 20 is provided on one side of the gas flow channel 11, or heating devices 20 are provided on both sides of the gas flow channel 11. The present invention is described using the example of a case where heating devices 20 are provided on both sides of the gas flow channel 11 along the second direction. After the object 200 to be dried passes through the gas flow channel 11, heating devices 20 are provided on both sides of the object 200 to be dried along the second direction.

[0151] In the above technical solution, the heating device 20 is provided on at least one side of the gas flow channel 11. The heating device 20 can be reasonably selected to be provided on one side or both sides of the gas flow channel 11 according to actual needs. When the heating devices 20 are provided on both sides of the gas flow channel 11, during the drying process of the object to be dried 200, the heating devices 20 located on both sides of the object to be dried 200 can dry the two surfaces of the object to be dried 200 respectively. Both surfaces of the object to be dried 200 can be heated and dried simultaneously, which is conducive to further improving the drying efficiency of the object to be dried 200.

[0152] According to some embodiments of the present invention, the heating device 20 is a light heating device 20 or an electromagnetic heating device 20 .

[0153] The heating device 20 may be configured as a light heating device 20 , or the heating device 20 may be configured as an electromagnetic heating device 20 .

[0154] As an example, when the heating device 20 is configured as a light heating device 20, the light heating device 20 may be an infrared lamp, an infrared panel, a UV lamp, a laser heater, or the like. The present invention will be described using the light heating device 20 as a laser heater. When the laser heater is used to dry the object 200 to be dried, the laser heater emits a continuous laser beam toward the object 200 to be dried. The size of the laser spot can be adjusted, and the heating range of the laser heater is variable, making the laser heater compatible with various specifications of objects 200 to be dried. The laser beam penetrates deeply and directly acts on the slurry on the surface of the object 200 to be dried. The electrons in the slurry on the surface of the object 200 to be dried absorb the energy of the laser and transition to release heat, causing the object 200 to be dried to heat up rapidly. The released heat is transferred to the water, which absorbs the heat and evaporates, thereby achieving the effect of drying the object 200 to be dried. Moreover, when the light heating device 20 is used to dry the object 200 to be dried, compared with drying the object 200 by blowing hot air, the external environment of the drying oven 100 absorbs less energy, the object 200 to be dried absorbs more heat, and the overall energy utilization rate is higher than hot air heating.

[0155] It should be noted that the laser heater can be a continuous laser heater, which has a stable operating state, known as steady state. The particle population at each energy level and the intracavity radiation field in the continuous laser heater exhibit a stable distribution. The characteristic of continuous laser heater operation is that the excitation of the working material and the corresponding laser output can be continuously performed over an extended period of time, making it ideal for drying processes that require long-term continuous operation.

[0156] As another example, when the heating device 20 is configured as an electromagnetic heating device 20, the electromagnetic heating device 20 converts electrical energy into thermal energy. The electromagnetic heating device 20 utilizes electromagnetic induction to generate eddy currents within the object to be dried 200 to electrically heat the object to be dried 200. The device converts electrical energy into electromagnetic energy, and then electromagnetic energy into electrical energy. The electrical energy is converted into thermal energy within the object to be dried 200, thereby achieving the purpose of heating the object to be dried 200.

[0157] In the above technical solution, the heating device 20 is set as a light heating device 20 or an electromagnetic heating device 20. Compared with the case where the heating device 20 is constructed as a drying oven 100 and a nozzle is used to dry the object 200 to be dried, the drying oven 100 of the present invention does not need to be provided with a hot air circulation system, which is beneficial to reducing the volume of the drying oven 100, reducing the space occupied by the drying oven 100, and reducing the factory cost. It is also beneficial to improve the heating efficiency of the heating device 20, and it is beneficial to improve the heating speed of the heating device 20. At the same time, the heating device 20 can use more energy for drying, which is beneficial to improve energy utilization. In addition, it is beneficial to reduce the temperature inside the oven body 10, making the production process safer.

[0158] According to some embodiments of the present invention, Figure 5 As shown, there are multiple heating devices 20, and along the second direction, the multiple heating devices 20 are respectively located on both sides of the gas flow channel 11, and the heating device 20 located on one side of the gas flow channel 11 and the heating device 20 located on the other side of the gas flow channel 11 are at least partially staggered along the first direction.

[0159] Among them, the heating device 20 is provided in plurality. Along the second direction, a portion of the heating device 20 is located on one side of the gas flow channel 11, and another portion of the heating device 20 is located on the other side of the gas flow channel 11. Multiple heating devices 20 can be provided on both sides of the gas flow channel 11. The present invention is described by taking two heating devices 20 provided on both sides of the gas flow channel 11 as an example. Figure 5 As shown, the heating device 20 located at the lower side of the gas flow channel 11 and the heating device 20 located at the upper side of the gas flow channel 11 are at least partially staggered along the first direction, that is, the heating device 20 located at the lower side of the gas flow channel 11 and the heating device 20 located at the upper side of the gas flow channel 11 can be partially staggered along the first direction, or as shown in FIG. Figure 5 As shown, the heating device 20 located at the lower side of the gas flow channel 11 and the heating device 20 located at the upper side of the gas flow channel 11 can be staggered along the first direction. The orthographic projection of the heating device 20 located at the lower side of the gas flow channel 11 and staggered from the heating device 20 located at the upper side of the gas flow channel 11 along the second direction can be staggered with the orthographic projection of the heating device 20 located at the upper side of the gas flow channel 11, or the orthographic projection of the heating device 20 located at the lower side of the gas flow channel 11 and staggered from the heating device 20 located at the upper side of the gas flow channel 11 along the second direction can be adjacent to the orthographic projection of the heating device 20 located at the upper side of the gas flow channel 11, or the orthographic projection of the heating device 20 located at the lower side of the gas flow channel 11 and staggered from the heating device 20 located at the upper side of the gas flow channel 11 along the second direction can partially overlap with the orthographic projection of the heating device 20 located at the upper side of the gas flow channel 11.

[0160] In the above technical solution, the heating device 20 located on one side of the gas flow channel 11 and the heating device 20 located on the other side of the gas flow channel 11 are at least partially staggered along the first direction, which is beneficial to increasing the heating coverage area of ​​the multiple heating devices 20 and is more beneficial to improving the drying efficiency of the drying oven 100.

[0161] According to some embodiments of the present invention, the position of the heating device 20 is adjustable along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

[0162] Among them, the third direction is Figure 2In the Y direction, the first, second, and third directions are perpendicular to each other. The oven body 10 may be provided with a guide rail extending along the third direction, and the heating device 20 may be slidably mounted on the guide rail, thereby enabling the position of the heating device 20 to be adjusted along the third direction. The oven body 10 may also be provided with a lead screw, and the heating device 20 may have a threaded hole formed therein. The lead screw extends along the third direction and is inserted into the threaded hole. Rotation of the lead screw enables the position of the heating device 20 to be adjusted along the third direction.

[0163] In the above technical solution, the position of the heating device 20 along the third direction is adjustable, and the position of the heating device 20 along the third direction can be adjusted according to actual heating needs. The heating device 20 can be adjusted to a suitable position, so that the heating device 20 can better heat the object 200 to be dried, which is beneficial to improving the drying efficiency of the object 200 to be dried.

[0164] According to some embodiments of the present invention, Figure 5 As shown, a partition 70 is provided in the oven body 10 , and the partition 70 is located between the heating device 20 and the gas flow channel 11 , and the partition 70 is constructed as a flow channel wall of the gas flow channel 11 , and a transparent portion 71 is formed on the partition 70 , and the transparent portion 71 corresponds to the corresponding heating device 20 .

[0165] The oven body 10 is provided with a partition 70, which is fixed to the oven body 10. Along the second direction, the partition 70 is located between the heating device 20 and the gas flow channel 11. The partition 70 is constructed as a flow channel wall of the gas flow channel 11. The partition 70 can separate the heating device 20 and the gas flow channel 11. As an example, Figure 5As shown, heating devices 20 are provided on both sides of the gas flow channel 11, and there are two partitions 70, one partition 70 is located between the upper heating device 20 and the gas flow channel 11, and the other partition 70 is located between the lower heating device 20 and the gas flow channel 11. The two partitions 70 are both flow channel walls of the gas flow channel 11, and the gas flow channel 11 is located between the two partitions 70. One partition 70 is the flow channel wall of the first gas flow channel 112, and the other partition 70 is the flow channel wall of the second gas flow channel 113. The two partitions 70 can separate the gas flow channel 11 from the external space of the gas flow channel 11, so that the gas can flow more smoothly in the first gas flow channel 112 and the second gas flow channel 113, reducing the risk of slurry on the surface of the object to be dried 200 affecting the laser homogenizer, which is beneficial to the layout and maintenance of the heating device 20. Furthermore, the partition 70 separates the heating device 20 from the gas flow channel 11, thereby isolating the heating device 20 from the gas flow channel 11. The hot water vapor generated by the heating device 20 when heating the object 200 to be dried is carried away by the gas in the first gas flow channel 112 and the second gas flow channel 113 and discharged from the drying oven 100, thereby reducing the probability of the generated hot water vapor affecting the heating device 20, thereby extending the service life of the heating device 20 and reducing the maintenance cost of the drying oven 100.

[0166] The partition 70 is formed with a transparent portion 71. The partition 70 may include a plurality of transparent glass sheets, each of which is configured as a transparent portion 71. Along the second direction, the transparent portions 71 are arranged corresponding to corresponding heating devices 20. When the heating device 20 is configured as a light heating device 20, when the heating device 20 emits heating light toward the object 200 to be dried, the light can pass through the corresponding transparent portion 71 and act on the object 200 to be dried, thereby achieving a heating and drying effect on the object 200.

[0167] In the above technical solution, the partition 70 is located between the heating device 20 and the gas flow channel 11, and the partition 70 is configured as the flow channel wall of the gas flow channel 11. This allows the gas to flow more smoothly within the first gas flow channel 112 and the second gas flow channel 113, reducing the risk of slurry on the surface of the object 200 to be dried affecting the laser homogenizer, facilitating the layout and maintenance of the heating device 20. It also reduces the probability of generated hot water vapor affecting the heating device 20, thereby extending the service life of the heating device 20 and reducing the maintenance cost of the drying oven 100. The partition 70 is formed with a transparent portion 71. When the heating device 20 is configured as a light heating device 20, when the heating device 20 emits heating light toward the object 200 to be dried, the light can pass through the corresponding transparent portion 71 and act on the object 200 to be dried, achieving the effect of heating and drying the object 200. In addition, when the heating device 20 is configured as an electromagnetic heating device 20, the effect of heating and drying the object 200 to be dried can also be achieved.

[0168] According to some embodiments of the present invention, Figure 1 and Figure 5 As shown, the oven body 10 is formed with an observation window 91, through which the environment inside the oven body 10 can be observed, making it easier for the user to understand the internal conditions of the oven body 10. Furthermore, the observation window 91 can be provided corresponding to the gas flow channel 11. The observation window 91 is a side wall of the gas flow channel 11, and the drying status of the object 200 to be dried in the gas flow channel 11 can be observed through the observation window 91.

[0169] It should be noted that the drying oven 100 of the present invention has an oven body 10. The oven body 10 is not provided with rollers supporting the object 200 to be dried, which can increase the internal space of the oven body 10, and is conducive to the uniform flow of gas in the gas flow channel 11. In addition, a single oven body 10 is easy to control and does not need to be dispatched in sections.

[0170] The coating equipment according to the embodiment of the present invention, including the drying oven 100 of the above embodiment, can improve the working efficiency of the coating equipment.

[0171] According to some embodiments of the present invention, see Figure 2 and Figure 5 As shown, the present invention provides a drying oven 100, which includes an oven body 10 and multiple heating devices 20, each of which is a laser heater. A gas flow channel 11 is formed within the oven body 10. The gas flow channel 11 is adapted to be passed through by an object 200 to be dried along a first direction. Gas within the gas flow channel 11 is adapted to flow along the first direction, and the gas flow channel 11 is configured to suspend the object 200 to be dried within the gas flow channel 11 as the gas flows through the gas flow channel 11. Multiple heating devices 20 are disposed within the oven body 10 along a second direction, with some of the heating devices 20 disposed above the gas flow channel 11 and others below it. Two partitions 70 are disposed within the oven body 10, opposing and spaced apart along the second direction. The two partitions 70 and the sidewalls of the oven body 10 collectively define the gas flow channel 11. The partition 70 is located between the heating device 20 and the gas flow channel 11 and serves as a flow channel wall for the gas flow channel 11. The partition 70 is formed with a transparent portion 71, which corresponds to the corresponding heating device 20 along the second direction. The gas flow channel 11 includes an object channel 111, a first gas flow channel 112, and a second gas flow channel 113. Along the second direction, the object channel 111 is located between the first gas flow channel 112 and the second gas flow channel 113, and the object channel 111 connects the first gas flow channel 112 and the second gas flow channel 113. Along the first direction, an inlet 1111 and an outlet 1112 are formed at opposite ends of the object channel 111, respectively. Both the inlet 1111 and the outlet 1112 are connected to the negative pressure exhaust pipe 60.

[0172] The gas transport device 30 has an inlet flow channel 31, an exhaust flow channel 32, a first fan 33 and a second fan 34. The inlet flow channel 31 is connected to the first gas flow channel 112 and the second gas flow channel 113. The first fan 33 is configured to allow gas to flow into the first gas flow channel 112 and the second gas flow channel 113 through the inlet flow channel 31. The exhaust flow channel 32 is connected to the first gas flow channel 112 and the second gas flow channel 113. The second fan 34 is configured to allow gas to flow out of the first gas flow channel 112 and the second gas flow channel 113.

[0173] The gas transport device 30 includes a first housing 37, a second housing 38, and a third housing 39. The second housing 38 is connected between the first and third housings 37 and 39. The inlet duct 31 is partially formed in the first housing 37 and partially formed in the second housing 38. The exhaust duct 32 is partially formed in the third housing 39 and partially formed in the second housing 38. The first fan 33 and the second fan 34 are both located in the second housing 38. The inlet duct 31 has an inlet port 35, which connects the inlet duct 31 to the external environment of the drying oven 100. The exhaust duct 32 has an exhaust port 36, which connects the exhaust duct 32 to the external environment of the drying oven 100. Both the inlet port 35 and the exhaust port 36 are formed in the second housing 38. The heating device 20 is positionally adjustable along the third direction.

[0174] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. Figure 5 and Figure 7 The arrows in the middle indicate the gas flow direction.

[0175] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative uses of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0176] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A drying oven, characterized in that: include: an oven body, wherein a gas flow channel is formed in the oven body, the gas flow channel is adapted to be passed through by an object to be dried in a first direction, gas in the gas flow channel is adapted to flow in the first direction, and the gas flow channel is configured to suspend the object to be dried in the gas flow channel when the gas flows through the gas flow channel; A heating device, the heating device is provided on the oven body and is used to heat the object to be dried; The gas flow channel includes: an object channel, a first gas flow channel, and a second gas flow channel, wherein the object channel is connected to the first gas flow channel and the second gas flow channel, and the object channel is suitable for the object to be dried to pass through; A negative pressure exhaust pipe, wherein a feed port and a discharge port are respectively formed at opposite ends of the object passage along the first direction, and the negative pressure exhaust pipe is in communication with at least one of the feed port and the discharge port; There are multiple heating devices, and along the second direction, the multiple heating devices are respectively located on both sides of the gas flow channel, and the heating device located on one side of the gas flow channel and the heating device located on the other side of the gas flow channel are at least partially staggered along the first direction, and the first direction is perpendicular to the second direction.

2. The drying oven according to claim 1, characterized in that Along the second direction, the object channel is located between the first gas flow channel and the second gas flow channel.

3. The drying oven according to claim 2, characterized in that The object channel, the first gas flow channel, and the second gas flow channel are parallel to each other.

4. The drying oven according to claim 2, characterized in that The gas flow direction in the first gas flow channel is the same as the gas flow direction in the second gas flow channel; or The gas flow direction in the first gas flow channel is opposite to the gas flow direction in the second gas flow channel.

5. The drying oven according to claim 2, characterized in that: Also includes: A gas transport device is connected to both the first gas flow channel and the second gas flow channel, and is configured to allow gas to flow into or out of the first gas flow channel. The gas transport device is also configured to allow gas to flow into or out of the second gas flow channel.

6. The drying oven according to claim 5, characterized in that The gas transport device has an inlet flow channel, an exhaust flow channel, a first fan and a second fan. The inlet flow channel is connected to both the first gas flow channel and the second gas flow channel. The first fan is configured to allow gas to flow into the first gas flow channel and the second gas flow channel through the inlet flow channel. The exhaust flow channel is connected to both the first gas flow channel and the second gas flow channel. The second fan is configured to allow gas to flow out of the first gas flow channel and the second gas flow channel.

7. The drying oven according to claim 6, characterized in that The inlet flow channel has an air inlet, which connects the inlet flow channel with the external environment of the drying oven. The exhaust flow channel has an exhaust port, which connects the exhaust flow channel with the external environment of the drying oven.

8. The drying oven according to claim 7, characterized in that At least one of the air inlet and the air outlet is provided with an opening and closing valve.

9. The drying oven according to claim 6, characterized in that The intake flow channel includes: an intake main channel, a first intake branch channel, and a second intake branch channel. The first intake branch channel connects the intake main channel and the first gas flow channel, and the second intake branch channel connects the intake main channel and the second gas flow channel.

10. The drying oven according to claim 9, characterized in that A gas filtering device is provided in the main air inlet passage.

11. The drying oven according to claim 9, characterized in that A heating mechanism reserved area is provided in the main air intake passage.

12. The drying oven according to claim 6, characterized in that The exhaust flow channel includes: an exhaust main flow channel, a first exhaust branch flow channel, and a second exhaust branch flow channel. The first exhaust branch flow channel connects the exhaust main flow channel and the first gas flow channel, and the second exhaust branch flow channel connects the exhaust main flow channel and the second gas flow channel.

13. The drying oven according to any one of claims 6 to 12, characterized in that: The gas transport device includes: a first box, a second box and a third box, the second box is connected between the first box and the third box, part of the intake duct is formed in the first box and another part is formed in the second box, part of the exhaust duct is formed in the third box and another part is formed in the second box, and the first fan and the second fan are both arranged in the second box.

14. The drying oven according to claim 1, characterized in that The heating device is a light heating device or an electromagnetic heating device.

15. The drying oven according to any one of claims 1 to 12 and 14, characterized in that: The heating device is arranged in the oven body, and the heating device is arranged on at least one side of the gas flow channel along a second direction perpendicular to the first direction.

16. The drying oven according to claim 15, characterized in that A partition is provided in the oven body, the partition is located between the heating device and the gas flow channel, and the partition is configured as a flow channel wall of the gas flow channel. The partition is formed with a transparent portion, and the transparent portion corresponds to the corresponding heating device.

17. The drying oven according to claim 15, characterized in that The position of the heating device is adjustable along a third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

18. A coating device, characterized in that: Comprising a drying oven according to any one of claims 1-17.

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