TWM605443U - Infrared heater with hot air generating function - Google Patents

Abstract

An infrared heating device with hot air generating function for heating work objects, comprising at least one wind generator, a pipeline module and a plurality of infrared heaters, wherein each infrared heater includes a heating body and infrared heating Plate and air supply duct. The heating body is used to heat the infrared heating plate so that the infrared heating plate generates infrared radiation heat and radiates to the work object. The air supply duct is used to transport the wind to receive the heat of the heating body to generate hot air. The infrared is heated There are multiple exhaust holes on the board, which are used to exhaust hot air to heat the work and blow the solvent on the surface of the work to both sides, and then use the exhaust air to take the solvent away to achieve rapid drying work The effect of things.

Description

Infrared heating device with hot air generating function

An infrared heating device for drying work objects, especially an infrared heating device that can generate hot air heating.

Printed circuit board (PCB) is to print the required circuit layout on a multilayer board body, and then composite the multilayer board to form a circuit board body, and then it must cover the board surface with a layer of solvent-containing ink (or It is called insulating green paint), and it is dried in a special oven equipment to volatilize the solvent in the ink layer on the board to achieve the purpose of drying.

In the above-mentioned ink drying procedure, the existing method is to use an infrared heating oven to dry the board, which uses an infrared heating unit to perform infrared heating on the board. However, since the heating method only relies on infrared radiant heat to heat the board, the heating efficiency is not high, and the drying process is easily prolonged, resulting in low mass production efficiency and increased manufacturing costs.

Therefore, how to solve the above-mentioned problems and deficiencies in the prior art is a subject that the related industry urgently wants to develop.

The main purpose of this creation is to set up an air source to be heated by a heating body to form hot air, and use this hot air to heat the work to speed up the efficiency of the drying process.

In order to achieve the above purpose, the infrared heating device with hot air generation function of this invention is used to heat the work object. It includes at least one air generator, a pipeline module and a plurality of infrared heaters. The air generator is used for Generate wind; the pipeline module is connected to the wind generator to convey the wind; a plurality of infrared heaters are connected to the pipeline module to receive the wind, and each infrared heater includes a heating body and an infrared heating plate And an air supply duct, the heating body is used to heat the infrared heating plate so that the infrared heating plate generates infrared radiation heat and radiates to the work object, the air supply duct is used to transport the wind to receive the heat of the heating body to generate hot air, the infrared A plurality of exhaust holes are provided on the heating plate, and the exhaust holes are used to exhaust hot air to heat the work object.

The following detailed descriptions are given by specific examples, and it will be easier to understand the purpose, technical content, characteristics and effects of this creation.

Please refer to the first to sixth figures, the infrared heating device 1 with hot air generating function of the present invention is used to heat the work object S to dry the ink coated on the work object S, including at least A wind generator 2, a pipeline module 3 and a plurality of infrared heaters 4. The pipeline module 3 includes a plurality of pipelines for connecting the wind generator 2 and the infrared heaters 4.

The wind generator 2 is used to generate wind. The pipeline module 3 is connected to the wind generator 2 for conveying wind. A plurality of infrared heaters 4 are connected to the pipeline module 3 for receiving wind. Among them, the wind generator 2 The generated wind is sent to the plurality of infrared heaters 4 through the pipeline module 3.

Each infrared heater 4 includes a cavity 41, a heating body 42 and an infrared heating plate 43. The cavity 41 is provided with an accommodating space 411 and an opening 412 connected to the accommodating space 411. The heating body 42 is located in the cavity. The accommodating space 411 of the body 41 is arranged corresponding to the opening 412, and the infrared heating plate 43 covers the opening 412 of the cavity 41 and is used to receive the infrared radiation heat generated by the heating body 42 and direct the infrared radiation heat to the work object S radiation is used to heat the work object S, as shown in the fifth figure, and the heating body 42 is fixed in the cavity 41 through a bracket 46.

Please refer to Figures 3 to 4, each infrared heater 4 also includes an air supply duct 44, which is arranged on the cavity 41 and communicates with the accommodating space 411, which is used for air It is transported to be close to the heating body 42 to receive the heat generated by the heating body 42 to generate hot air. In addition, the wind also has the function of cooling the heating body 42 to avoid damage to the heating body 42 due to overheating. A plurality of exhaust holes 431 are provided on the infrared heating plate 43, and the exhaust holes 431 are connected to the accommodating space 411, and are used to discharge hot air from the accommodating space 411.

In this embodiment, the air supply duct 44 includes an air supply pipe body 45, an air inlet portion 451 and an air outlet portion 452 respectively provided at both ends of the air supply pipe body 45, and the air inlet portion 451 has an air inlet 453, The air outlet portion 452 has an air outlet 454. The air supply pipe body 45 is provided with an air supply channel 455 connected to the air inlet 453 and the air outlet 454. The air outlet 452 is located in the accommodating space 411 and faces the heating The body 42 extends to make the air outlet 454 close to the heating body 42 so that the wind can easily contact the heating body 42 to generate hot air. Specifically, the air outlet 454 is arranged corresponding to the heating body 42, for example, the air outlet 454 of the air outlet portion 452 is arranged to be directly aligned with the heating body 42 so that the wind can directly contact the heating body 42 To produce hot air.

Please refer to Figures 4 to 5, the air outlet 452 is located in the accommodating space 411 and is close to the heating body 42, and the air outlet 452 and the heating body 42 are substantially on the same plane. In this way, the wind energy can be directly blown onto the heating body 42 in the shortest distance, so as to accelerate the efficiency of hot air generation. Specifically, the heating body 42 has a heating radiation surface 421, the heating radiation surface 421 is arranged facing the exhaust holes 431 of the infrared heating plate 43, and the opening direction S1 of the air outlet 452 is perpendicular to the heating radiation surface 421 In this way, the distance between the air outlet 452 and the heating body 42 can be the shortest, so as to quickly generate hot air. In addition, in this embodiment, the center of the air outlet 454 is aligned with the heating radiation surface 421. In other words, the center of the air outlet 454 and the heating radiation surface 421 are on the same plane. This design can make at least half of the wind energy The heating element 42 is directly contacted, and the other half of the wind can flow along the surface of the heating radiation surface 421, thereby achieving better hot wind generation efficiency.

In this embodiment, as shown in the second and third figures, since the infrared heating plate 43 is provided with a plurality of exhaust holes 431, which are connected to the accommodating space 411 and used to discharge hot air from the accommodating space 411. Therefore, please refer to the fifth figure. When the wind is transported from the air supply duct 44 into the accommodating space 411 of the cavity 41, the accommodating space 411 will be heated by the heating body 42 to generate hot air. The exhaust holes 431 of the infrared heating plate 43 are discharged to the accommodating space 411 to spray to the work object S, thereby achieving the purpose of heating the work object S.

In this embodiment, the aperture of each exhaust hole 431 is smaller than the aperture of the air outlet 454, so that the gas pressure of the hot air in the accommodating space 411 can be greater than the atmospheric pressure outside the cavity 41 and present a positive pressure. , So that the hot air can be ejected from the exhaust hole 431 to the work S at a high pressure and high speed. In addition, the diameter of the air inlet 453 of the air supply duct 44 is larger than that of the air outlet 454. According to fluid mechanics, this can make the wind blow out from the air outlet 454 in a high-speed and high-pressure state, so as to facilitate direct blowing on the heating body 42 and contact Heated into hot air. It is worth mentioning that in addition to the function of heating the work piece S, the hot air can blow the solvent on the surface of the work piece S to both sides, and then use the exhaust air to take the solvent away to achieve the effect of rapid drying.

Please refer to the seventh to eighth figures, another embodiment of the infrared heater 4 in the infrared heating device 1 with hot air generation function created by this invention, the infrared heater 5 in this embodiment omits the infrared heating The cavity 41 in the device 4 only includes the heating body 51, the infrared heating plate 52 and the air supply duct 53, wherein the heating body 51 and the air supply duct 53 are arranged on the infrared heating plate 52, and the infrared heating plate 52 is provided with a ventilation channel 54 and A plurality of exhaust holes 521 connected to the ventilation channel 54 is connected to the air supply duct 53 and the exhaust hole 521. When the wind enters the ventilation channel 54 from the air supply duct 53, it is in the ventilation channel 54 The infrared heating plate 52 heated by the heating body 51 is heated to generate hot air, which is then discharged to the ventilation duct 54 through the exhaust hole 521 to heat the work object. In this embodiment, the infrared heating plate 52 is provided with a receiving groove 522, the heating body 51 is installed and inserted in the receiving groove 522, and the ventilation channel 54 is arranged along the extending direction of the heating body 51, so as to obtain a better The effect of heating air, and the opening direction of the exhaust hole 521 is perpendicular to the extending direction of the ventilation channel 54 to match the plate shape of the infrared heating plate 52.

It is understandable that from the above two embodiments, this creation does not limit the detailed structure of the infrared heater, as long as the air supply duct can transport the wind to the heat of the heating body to generate hot air, and then discharge the hot air. Heating the work is the technical feature of this creation. Therefore, in the first embodiment, the air system is conveyed by the air supply duct 44 to directly contact the heating body 42 to directly receive the heat of the heating body 42 to generate hot air. However, in the second embodiment, the wind does not directly contact the heating body 51. Instead, hot wind is generated by the heating action of the infrared heating plate 52 heated by the heating body 51. The heating effect of the infrared heating plate 52 is caused. The heat comes from the heat received from the heating body 51, so the wind here can be regarded as indirectly receiving the heat of the heating body 51 to generate hot wind.

To sum up, this creation uses a heating body to heat the infrared heating plate so that the infrared heating plate generates infrared radiant heat and radiates to the work object. At the same time, the air supply duct is used to transport the wind to receive the heat of the heating body to generate hot air. And use the multiple exhaust holes of the infrared heating plate to exhaust the hot air to heat the work object. Since the heating method of the work S in this creation includes radiant heat and convective heat, the efficiency of the drying process of the work S can be accelerated, so it can effectively improve the mass production efficiency and reduce the time and cost of manufacturing.

Only the above are only preferred embodiments of this creation, and are not used to limit the scope of implementation of this creation. Therefore, all equivalent changes or modifications made in accordance with the characteristics and spirit of the application scope of this creation shall be included in the scope of patent application of this creation.

1: Infrared heating device 2: Wind generator 3: Pipeline module 4: infrared heater 41: Cavity 411: housing space 412: open 42: heating body 421: Heating radiation surface 43: Infrared heating plate 431: Vent 44: Air supply duct 45: Air supply pipe body 451: Air Inlet 452: air outlet 453: Air Inlet 454: air outlet 455: Air Supply Channel 46: Bracket 5: Infrared heater 51: heating body 52: infrared heating plate 521: Vent 522: Containment Slot 53: Air supply duct 54: Ventilation runner S: work S1: Opening direction S2: Normal direction

The first picture is a schematic diagram of the infrared heating device with hot air generation function created by this invention. The second figure is a three-dimensional schematic diagram of the appearance of the infrared heater created for this creation. The third figure is a partial exploded schematic diagram of the infrared heater created for this creation. The fourth picture is a cross-sectional schematic diagram of the infrared heater created for this creation. The fifth figure is a cross-sectional schematic diagram of the thermal convection and thermal radiation of the infrared heater created. The sixth figure is a schematic diagram of the configuration of the infrared heating device with hot air generation function. The seventh figure is a partial exploded diagram of another infrared heater created for this creation. The eighth picture is a cross-sectional schematic diagram of another infrared heater created for this creation.

4: infrared heater

41: Cavity

411: housing space

412: open

42: heating body

43: Infrared heating plate

431: Piercing

44: Air supply duct

453: Air Inlet

Claims (10)

An infrared heating device with the function of generating hot air for heating work objects, including: At least one wind generator for generating wind; At least one pipeline module connected to the wind generator for conveying wind; and A plurality of infrared heaters are connected to the pipeline module to receive wind. Each infrared heater includes a heating body, an infrared heating plate and an air supply duct. The heating body is used to heat the infrared heating plate, In order to make the infrared heating plate generate infrared radiation heat and radiate to the work object, the air supply duct is used to transport the wind to receive the heat of the heating body to generate hot air, the infrared heating plate is provided with a plurality of exhaust holes, the The exhaust hole is used to exhaust the hot air to heat the work object. The infrared heating device with hot air generating function according to claim 1, wherein each infrared heater further includes a cavity, the cavity is provided with an accommodating space and an opening connected to the accommodating space, the heating body The accommodating space of the cavity is located corresponding to the opening, the infrared heating plate covers the opening of the cavity, the air supply duct is arranged on the cavity and communicates with the accommodating space, and the exhaust The hole is connected to the accommodating space and is used to discharge the hot air from the accommodating space. When the air is transported from the air supply duct into the accommodating space of the cavity, it is affected by the heating body in the accommodating space The heating function generates hot air, and the hot air is then discharged to the accommodating space through the exhaust holes of the infrared heating plate to heat the work object. The infrared heating device with hot air generation function according to claim 2, wherein the air supply duct includes an air supply pipe body, an air inlet portion and an air outlet portion respectively provided at both ends of the air supply pipe body, the air inlet portion There is an air inlet, the air outlet part has an air outlet, and the air supply pipe body is provided with an air supply channel connected to the air inlet and the air outlet. The infrared heating device with hot air generation function according to claim 3, wherein the air outlet is located in the containing space and extends toward the heating body, so that the air outlet is close to the heating body. The infrared heating device with hot air generating function according to claim 3, wherein the air outlet is located in the accommodating space, and the air outlet is arranged corresponding to the heating body. The infrared heating device with hot air generation function according to claim 3, wherein the heating body has a heating radiation surface, the heating radiation surface is arranged facing the exhaust holes of the infrared heating plate, and the opening direction of the air outlet It is perpendicular to the normal direction of the heating radiation surface. The infrared heating device with hot air generation function according to claim 3, wherein the heating body has a heating radiation surface, the heating radiation surface is arranged facing the exhaust holes of the infrared heating plate, and the center of the air outlet is The heating radiation surfaces are aligned. The infrared heating device with hot air generating function according to claim 3, wherein the aperture of each of the exhaust holes is smaller than the aperture of the air outlet, and the aperture of the air inlet is larger than the aperture of the air outlet. The infrared heating device with hot air generation function according to claim 1, wherein the heating body and the air supply duct are arranged on the infrared heating plate, and the infrared heating plate is provided with a ventilation channel, and the ventilation channel is connected to the air supply The duct and the exhaust holes are heated by the infrared heating plate heated by the heating body in the ventilation duct to generate hot air when the wind is transported from the air supply duct into the ventilation duct. The hot air then passes through the ventilation duct. The exhaust holes are discharged to the ventilation channel to heat the work object. The infrared heating device with hot air generation function according to claim 9, wherein the infrared heating plate is provided with at least one accommodating groove, the heating system is inserted in the accommodating groove, and the ventilation channel is along the heating body The extension direction of the vent is set, and the opening direction of the exhaust hole is perpendicular to the extension direction of the ventilation channel.

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