CN115190667A

CN115190667A - Industrial microwave electromagnetic field homogenization improves device

Info

Publication number: CN115190667A
Application number: CN202210521489.1A
Authority: CN
Inventors: 邵珠山; 王琰; 程俊夕; 徐腾; 梁栋
Original assignee: Xian University of Architecture and Technology
Current assignee: Xian University of Architecture and Technology
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-14

Abstract

The invention belongs to the field of microwave heating, and discloses an improved homogenizing device for an industrial microwave electromagnetic field, which comprises an equipment body; the microwave source module is connected with one end of the waveguide system, the sealing plate is arranged at the other end of the waveguide system, the sealing plate is tightly attached to the outer wall of the accommodating inner shell, and the rotatable electromagnetic wave stirring device is arranged in the waveguide system; the controller is used for controlling the operating power of the microwave source module, the waveguide system is used for radiating microwaves generated by the microwave source module to the inside of the accommodating inner shell after the microwaves are rotationally reflected by the electromagnetic wave stirring device, and the accommodating inner shell is used for accommodating a product to be heated by the microwaves. And then microwave energy is uniformly radiated into the space inside the accommodating inner shell, resonates in the space inside the accommodating inner shell, and uniformly heats the product to be heated by microwaves, so that the microwave energy is efficiently utilized.

Description

Industrial microwave electromagnetic field homogenization improves device

Technical Field

The invention belongs to the field of microwave heating, and relates to an improved device for homogenizing an industrial microwave electromagnetic field.

Background

The essence of the microwave heating material is that polar molecules in the dielectric medium are polarized under the action of an external electromagnetic field, the orientation of the polar molecules is changed along with the change of the polarity of an external alternating electromagnetic field, and a plurality of polar molecules rub against each other due to frequent alternating orientation to form power loss in the material, so that electromagnetic energy is converted into heat energy. Compared with the traditional heating mode of heating materials from the outside to the inside by heat conduction, the microwave heating belongs to body heating and has the advantages of instantaneity, high efficiency, no inertia and the like.

Although microwave heating is more uniform than conventional heating, due to the distribution difference in the internal space of the microwave heating device generated by the microwave heating device at present, the non-uniform distribution of microwaves is likely to cause the local overheating or insufficient heating of the product to be heated.

Disclosure of Invention

The invention aims to overcome the defect of uneven microwave distribution in the inner space of the microwave heating equipment in the prior art and provide an industrial microwave electromagnetic field homogenization improving device.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:

an industrial microwave electromagnetic field homogenization improving device comprises an equipment body; the device comprises a device body, a microwave source module, a waveguide system and an accommodating inner shell, wherein the device body is provided with a controller, the microwave source module, the waveguide system and the accommodating inner shell are arranged in the device body, the controller is connected with the microwave source module, one end of the waveguide system is connected with the microwave source module, the other end of the waveguide system is provided with a sealing plate, the sealing plate is tightly attached to the outer wall of the accommodating inner shell, and a rotatable electromagnetic wave stirring device is arranged in the waveguide system; the controller is used for controlling the operating power of the microwave source module, the waveguide system is used for radiating microwaves generated by the microwave source module to the inside of the containing inner shell after the microwaves are rotationally reflected by the electromagnetic wave stirring device, and the containing inner shell is used for containing a product to be heated by the microwaves.

Optionally, an infrared temperature measuring instrument is arranged on the accommodating inner shell and connected with the controller; the infrared temperature measuring instrument is used for detecting the temperature inside the containing inner shell in real time and transmitting the controller, and the controller is used for controlling the operating power of the microwave source module according to the temperature inside the containing inner shell and the preset set temperature.

Optionally, the water-saving device also comprises a water inlet pipe, a water outlet pipe and a water outlet pipe; the microwave source module is externally sleeved with a first cooling layer, and the accommodating inner shell is externally sleeved with a second cooling layer; inside inlet tube one end stretched into the equipment body to connect gradually first cooling layer, outlet pipe, second cooling layer and drain pipe one end, the drain pipe other end stretches out the equipment body.

Optionally, one end of the water outlet pipe connected with the second cooling layer is connected with one end of the water outlet pipe, a control valve is arranged at one end of the water outlet pipe connected with the second cooling layer, and the second cooling layer is connected with the water outlet pipe through the control valve.

Optionally, the bottoms of the first cooling layer and the second cooling layer are both obliquely arranged.

Optionally, the electromagnetic wave stirring device is a fan made of a metal material.

Optionally, a heat dissipation fan is arranged on the microwave source module, and a plurality of heat dissipation holes are formed in the equipment body in the area facing the heat dissipation fan.

Optionally, the microwave source module is fixedly connected with a waveguide system bolt, and the waveguide system is fixedly connected with the sealing plate bolt.

Compared with the prior art, the invention has the following beneficial effects:

according to the industrial microwave electromagnetic field homogenization improvement device, the microwave source module is started through the controller, the microwave source module continuously generates microwaves and transmits the microwaves to the waveguide system, the electromagnetic wave stirring device in the waveguide system rotates to reflect the transmitted microwaves in all directions, microwave energy is uniformly radiated into the space inside the containing inner shell and resonates in the space inside the containing inner shell, products to be heated by the microwaves are uniformly heated, and the microwaves are efficiently utilized. And, the waveguide system has set up the closing plate on being close to the one end of holding inner shell, and the closing plate can prevent effectively that the microwave of waveguide system transmission from appearing leaking, and then also can guarantee more even to the radiation that carries out the microwave to the holding inner shell.

Furthermore, the temperature inside the accommodating inner shell is detected by the infrared temperature measuring instrument and fed back to the controller, when the temperature inside the accommodating inner shell exceeds the preset set temperature, the running power of the microwave source module is reduced by the controller, otherwise, the running power of the microwave source module can be increased by the controller, and the stable control of the temperature inside the accommodating inner shell is finally ensured.

Furthermore, through setting up inlet tube, first cooling layer and outlet pipe and forming the cooling system of microwave source module, be favorable to the heat dissipation of the relevant circuit of microwave source module, prevent that microwave source module high temperature from damaging. Through setting up the cooling system that outlet pipe, second cooling layer and drain pipe formed the holding inner shell, be favorable to the cooling of holding inner shell, and then the stability of the inside temperature of control holding inner shell.

Furthermore, one end of the water outlet pipe connected with the second cooling layer is connected with one end of the water outlet pipe, and a control valve is arranged at one end of the water outlet pipe connected with the second cooling layer, so that the independent control of the cooling system of the microwave source module and the cooling system of the containing inner shell is realized, and the control is more flexible.

Furthermore, through the design of the heat dissipation fan and the heat dissipation holes, the heat dissipation performance of the microwave source module is improved, the circuit structure inside the microwave source module is protected, and damage caused by high temperature is prevented.

Drawings

FIG. 1 is a schematic structural diagram of an improved homogenizing apparatus for industrial microwave electromagnetic field according to the present invention.

Wherein: 1-an equipment body; 2-a microwave source module; 21-a waveguide system; 22-a water inlet pipe; 23-a water outlet pipe; 24-an electromagnetic wave stirring device; 3-a controller; 4-accommodating the inner shell; 41-a sealing plate; 42-infrared temperature measuring instrument; 43-drainage pipe.

Detailed Description

In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The invention is described in further detail below with reference to the accompanying drawings:

referring to fig. 1, in an embodiment of the present invention, an improved apparatus for homogenizing an industrial microwave electromagnetic field is provided, which can achieve uniform distribution of microwaves, so as to uniformly heat a product to be heated by microwaves.

Specifically, the industrial microwave electromagnetic field homogenization improving device comprises an equipment body 1, wherein a controller 3 is arranged on the equipment body 1, a microwave source module 2, a waveguide system 21 and an accommodating inner shell 4 are arranged in the equipment body 1, the controller 3 is connected with the microwave source module 2, one end of the waveguide system 21 is connected with the microwave source module 2, a sealing plate 41 is arranged at the other end of the waveguide system, the sealing plate 41 is tightly attached to the outer wall of the accommodating inner shell 4, and a rotatable electromagnetic wave stirring device 24 is arranged in the waveguide system 21; the controller 3 is used for controlling the operation power of the microwave source module 2, the waveguide system 21 is used for radiating the microwave generated by the microwave source module 2 to the inside of the accommodating inner shell 4 after the microwave is rotated and reflected by the electromagnetic wave stirring device 24, and the accommodating inner shell 4 is used for accommodating a product to be heated by the microwave.

The microwave source module 2 can adopt a magnetron M24FB-210A, the waveguide system 21 can adopt a standard rectangular straight waveguide, and the standard rectangular straight waveguide comprises a waveguide tube and a flange plate, wherein the model of the waveguide tube can be selected from BJ100, the flange plate can be selected from FBP/FBM, the length of the waveguide is 200mm, and the material is aluminum.

According to the industrial microwave electromagnetic field homogenization improving device, the microwave source module 2 is started through the controller 3, the microwave source module 2 continuously generates microwaves and transmits the microwaves to the waveguide system 21, the electromagnetic wave stirring device 24 in the waveguide system 21 rotates to reflect the transmitted microwaves in all directions, microwave energy is uniformly radiated to a space inside the accommodating inner shell 4 and resonates in the space inside the accommodating inner shell 4, products to be heated by the microwaves are uniformly heated, and the microwave energy is efficiently utilized. And, the end of the waveguide system 21 close to the accommodating inner shell 4 is provided with a sealing plate 41, and the sealing plate 41 can effectively prevent the microwave transmitted by the waveguide system 21 from leaking, so as to ensure more uniform radiation of the microwave to the accommodating inner shell 4.

In a possible embodiment, the inner housing 4 of the industrial microwave electromagnetic field homogenization improving device is provided with an infrared temperature measuring instrument 42, and the infrared temperature measuring instrument 42 is connected with the controller 3; the infrared temperature measuring instrument 42 is used for detecting the temperature inside the accommodating inner shell 4 in real time and transmitting the controller 3, and the controller 3 is used for controlling the operating power of the microwave source module 2 according to the temperature inside the accommodating inner shell 4 and a preset set temperature.

Specifically, the temperature inside the accommodating inner shell 4 is detected by the infrared temperature measuring instrument 42 and fed back to the controller 3, when the temperature inside the accommodating inner shell 4 exceeds the preset set temperature, the operating power of the microwave source module 2 is reduced by the controller 3, otherwise, the operating power of the microwave source module 2 can be increased by the controller 3, and the stable control of the temperature inside the accommodating inner shell 4 is finally ensured.

In a possible embodiment, the industrial microwave electromagnetic field homogenization improving device further comprises a water inlet pipe 22, a water outlet pipe 23 and a water outlet pipe 43; the microwave source module 2 is externally sleeved with a first cooling layer, and the accommodating inner shell 4 is externally sleeved with a second cooling layer; one end of the water inlet pipe 22 extends into the equipment body 1 and is sequentially connected with the first cooling layer, the water outlet pipe 23, the second cooling layer and one end of the water outlet pipe 43, and the other end of the water outlet pipe 43 extends out of the equipment body 1.

Specifically, form microwave source module 2's cooling system through setting up inlet tube 22, first cooling layer and outlet pipe 23, be favorable to the heat dissipation of 2 relevant circuits of microwave source module, prevent that 2 high temperatures of microwave source module from damaging. Form the cooling system of holding inner shell 4 through setting up outlet pipe 23, second cooling layer and drain pipe 43, be favorable to the cooling of holding inner shell 4, and then control the stability of the inside temperature of holding inner shell 4.

In a possible implementation mode, in the industrial microwave electromagnetic field homogenization and improvement device, one end of the water outlet pipe 23 connected with the second cooling layer is connected with one end of the water outlet pipe 43, a control valve is arranged on one end of the second cooling layer connected with the water outlet pipe 23, and the second cooling layer is connected with the water outlet pipe 23 through the control valve.

Specifically, one end of the water outlet pipe 23 connected with the second cooling layer is connected with one end of the water outlet pipe 43, and a control valve is arranged at one end of the water outlet pipe 23 connected with the second cooling layer, so that independent control of the cooling system of the microwave source module 2 and the cooling system of the accommodating inner shell 4 is realized, and the control is more flexible.

In a possible implementation mode, in the industrial microwave electromagnetic field homogenization improving device, the bottoms of the first cooling layer and the second cooling layer are both obliquely arranged. Specifically, the mode that adopts the slope to set up is favorable to getting rid of the interior ponding of first cooling layer and second cooling layer, is convenient for industry microwave heating equipment's storage and transportation.

In a possible embodiment, in the industrial microwave electromagnetic field homogenization improving apparatus, the electromagnetic wave stirring device 24 is a fan made of metal, and specifically, may be a copper fan with a silver-plated surface or a copper fan with a gold-plated surface.

In a possible implementation manner, in the industrial microwave electromagnetic field homogenization and improvement device, the microwave source module 2 is provided with a heat dissipation fan, and a plurality of heat dissipation holes are formed in the equipment body 1 in a region facing the heat dissipation fan.

Specifically, in this embodiment, through the design of radiator fan and louvre, promote the heat dispersion of microwave source module 2, protect the inside circuit structure of microwave source module 2, prevent that high temperature from causing the damage.

In a possible embodiment, in the industrial microwave electromagnetic field homogenization improvement device, the microwave source module 2 is fixedly connected with the waveguide system 21 through bolts, and the waveguide system 21 is fixedly connected with the sealing plate 41 through bolts.

Specifically, the mode of adopting bolt fixed connection, be convenient for installation and dismantlement, and connect firmly.

The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.

Claims

1. An industrial microwave electromagnetic field homogenization improving device is characterized by comprising a device body (1);

the microwave energy-saving device is characterized in that a controller (3) is arranged on the device body (1), a microwave source module (2), a waveguide system (21) and an accommodating inner shell (4) are arranged in the device body (1), the controller (3) is connected with the microwave source module (2), one end of the waveguide system (21) is connected with the microwave source module (2), a sealing plate (41) is arranged at the other end of the waveguide system, the sealing plate (41) is tightly attached to the outer wall of the accommodating inner shell (4), and a rotatable electromagnetic wave stirring device (24) is arranged in the waveguide system (21); the controller (3) is used for controlling the operating power of the microwave source module (2), the waveguide system (21) is used for radiating microwaves generated by the microwave source module (2) to the inside of the accommodating inner shell (4) after the microwaves are rotationally reflected by the electromagnetic wave stirring device (24), and the accommodating inner shell (4) is used for accommodating a product to be heated by the microwaves.

2. The industrial microwave electromagnetic field homogenization improvement device as claimed in claim 1, characterized in that an infrared temperature measuring instrument (42) is arranged on the accommodating inner shell (4), and the infrared temperature measuring instrument (42) is connected with the controller (3);

the infrared temperature measuring instrument (42) is used for detecting the temperature inside the accommodating inner shell (4) in real time and transmitting the controller (3), and the controller (3) is used for controlling the operating power of the microwave source module (2) according to the temperature inside the accommodating inner shell (4) and the preset set temperature.

3. The apparatus for homogenizing and improving industrial microwave electromagnetic field according to claim 1, further comprising a water inlet pipe (22), a water outlet pipe (23) and a water discharge pipe (43);

the microwave source module (2) is externally sleeved with a first cooling layer, and the accommodating inner shell (4) is externally sleeved with a second cooling layer; one end of the water inlet pipe (22) extends into the equipment body (1) and is sequentially connected with the first cooling layer, the water outlet pipe (23), the second cooling layer and one end of the water outlet pipe (43), and the other end of the water outlet pipe (43) extends out of the equipment body (1).

4. The industrial microwave electromagnetic field homogenization improvement device according to claim 3, characterized in that one end of the water outlet pipe (23) connected with the second cooling layer is connected with one end of a water discharge pipe (43), one end of the second cooling layer connected with the water outlet pipe (23) is provided with a control valve, and the second cooling layer is connected with the water outlet pipe (23) through the control valve.

5. The apparatus for homogenizing and improving industrial microwave electromagnetic field according to claim 3, wherein the bottom of the first cooling layer and the bottom of the second cooling layer are both inclined.

6. The industrial microwave electromagnetic field homogenization improvement device as claimed in claim 1, characterized in that the electromagnetic wave stirring device (24) is a fan made of metal.

7. The apparatus for homogenizing and improving industrial microwave electromagnetic field according to claim 1, wherein the microwave source module (2) is provided with a heat dissipation fan, and a plurality of heat dissipation holes are formed on the apparatus body (1) in a region facing the heat dissipation fan.

8. The improved homogenizing device for industrial microwave electromagnetic fields according to claim 1, characterized in that the microwave source module (2) is fixedly connected with the waveguide system (21) by bolts, and the waveguide system (21) is fixedly connected with the sealing plate (41) by bolts.