TWI678502B - Multi-axially controlled microwave heating cavity - Google Patents

Abstract

The invention relates to a multi-axially controllable microwave heating cavity, which uses a tri-axial platform to move a magnetron, and can close the magnetron to an object to be heated, and can optimize the microwave heating work piece. It is mainly composed of a cavity, a magnetron, a guided wave channel, and a triaxial platform. The cavity is provided with a triaxial space, so that the magnetron can move on the triaxial platform, that is, it can be close and according to desire. The mobile microwave of the shape of the heating object can adjust the shape and thickness of the work piece, so that the work piece can achieve better microwave heating effect.

Description

Multi-axially controlled microwave heating cavity

This creation is about a multi-axis controllable microwave heating cavity, which is provided with a tri-axial platform inside the cavity for the magnetron to move left and right, back and forth, up and down, and inclination within the tri-axial platform. And it can emit microwaves to the work piece at a short distance and mobile.

According to the microwave, one of the commonly used means for heating items is commonly used for heating food. Therefore, a rotary plate is usually provided in the microwave oven, so that when the microwave flows in the cavity, the cold spot or hot spot will not stay at the same fixed point.

In addition, the microwave can also be used in industrial heating, for example: carbon fiber is used to shape or bake workpieces, etc. However, industrial or metal work pieces or molds are usually heavy. The use of a turntable to move the mold is costly in terms of volume, cavity, equipment and electricity, which is very costly for the industry.

Therefore, using microwave as a high-efficiency, low-energy heating method, please refer to Figure 1, which is a schematic diagram of a conventional microwave heating cavity. The magnetron 10 is above and below the microwave cavity 1, and is matched with The work piece 11 or the mold 12 can be moved by the conveyor belt 13 in order to uniformly heat the work piece 11 and prevent cold spots or hot spots from being concentrated at a certain point, resulting in the occurrence of defective products. Therefore, the work piece 11 is conveyed by the conveyor belt 13 11 or the mold 12 can achieve the effect of movement, but the wear and tear of the parts of the conveyor belt 13 due to long-term use must be replaced, and the microwave diverges in the microwave cavity 1 and cannot be concentrated in a specific area, plus the conveyor belt 13 The movement can not control the uniformity and heat of the microwave application, which causes the overall quality of the work piece 11 to be inconsistent and unsatisfactory in use. In addition, the added cost and loss are too high, causing the industry to use the microwave to heat the work piece 11 or Mold 12.

The inventor specializes in microwave and its improvement. In view of the difficulty and high cost of moving work pieces or molds, the R & D and improvement of the microwave heating cavity is specially designed. A triaxial platform is set in the cavity, which can be used for X, Y, and Z. The axial movement is used to control the magnetron, so that the microwave energy can emit microwaves to the object to be heated at a short distance and mobilely, which can solve the problem of moving work pieces or molds. Therefore, the present invention can achieve more efficient microwave heating. It is an innovative microwave heating cavity device.

The invention relates to a multi-axially controlled microwave cavity, which is provided with a triaxial platform in the microwave cavity, and a magnetron is arranged above and below the microwave cavity, so that the guided wave of the magnetron is guided. The channel can move in three axes, and the magnetron is connected with a guided wave channel. The frequency generated by the magnetron is 2.45GHz. It is used with the WR340 guided wave channel to generate a single-mode microwave guided wave channel. Type, or the generated frequency is 0.915GHz, which is matched with the WR975 guided wave channel, which can generate a single-mode microwave type guided wave channel type, so that the magnetron emits a single-mode microwave type electromagnetic wave to enhance the microwave efficacy.

The main point of this creation is that a triaxial platform is set in the cavity, and the work piece can be microwaved at a short distance and in a mobile manner, which has a better microwave effect.

The focus of this creation is that the magnetron with a guided wave channel generates high-efficiency single-mode microwave electromagnetic waves, which are characterized by high thermal energy and low power consumption to improve microwave efficiency.

The focus of this creation is that the guided wave channel of the magnetron is moved on a three-axis platform, so that the magnetron can move according to the shape of the work piece, so that the microwave energy can be positioned and accurately aligned with the work piece to meet the work piece. Location heating requirements.

This creation uses a tri-axial platform to make the magnetron move left, right, front, back, up and down, to achieve a short distance to apply microwaves to the work piece, so that the microwave can be concentrated and efficiently applied to the work piece with low power consumption. Electricity, high efficiency, and excellent economic benefits. Looking at the application of microwave technology, the multi-axial microwave transmission of the present invention has not been seen, which is an innovative microwave heating technology.

〔this invention〕

2‧‧‧ Cavity

21‧‧‧Magnetron

22‧‧‧Guided Wave Channel

23‧‧‧Triaxial platform

3‧‧‧workpiece

4‧‧‧ Screw

Figure 1 is a schematic diagram of a conventional microwave heating cavity.

Figure 2 is a perspective view of the microwave heating cavity of the present invention.

Figure 3 is a sectional view of the microwave heating cavity of the present invention.

FIG. 4 is another angle sectional view of the microwave heating cavity of the present invention.

Fig. 5 is a plan sectional view of the present invention.

FIG. 6 is a schematic diagram of a tri-axial platform scanning work piece according to the present invention.

Fig. 7 is a schematic diagram of a mobile work piece according to the present invention.

Fig. 8 is a top sectional view of the movable mold of the present invention.

First of all, microwaves are generally applied in the cavity (please review the picture in Figure 1). Equipped with a moving work piece or mold, otherwise comprehensive and uniform heating cannot be achieved, and the inventor specializes in microwave heating technology and specially develops a mobile magnetron device to solve the problem of higher cost of the mobile work piece or mold. Next, please refer to FIG. 2, which is a perspective view of the microwave heating cavity of the present invention, which is mainly composed of a cavity 2, a magnetron 21, a guided wave channel 22, and a triaxial platform 23. The cavity 2 There is an accommodation space for accommodating a triaxial platform 23, and the triaxial platform 23, that is, a space and a transmission device with three directions of movement of the X axis, the Y axis, and the Z axis, and includes: an XY axis , XZ axial and YZ axial multi-angle moving platforms, which can produce left, right, front, back, up and down movement; the magnetron 21 is installed above and below the cavity 2, and the magnetron The tube 21 is connected to a guided wave channel 22. The frequency generated by the magnetron 21 is 2.45 GHz, which is matched with the WR340 guided wave channel 22; or the generated frequency is 0.915 GHz, which is matched with the WR975 guided wave channel 22, so that the magnetic The control tube 21 emits a single-mode microwave type electromagnetic wave to enhance the efficiency of the microwave The wave guide channel 22 for the system type wave guide channel to produce a single-mode microwave patterns.

Secondly, please continue to refer to FIG. 3 and FIG. 4, the work piece 3 is received in the triaxial platform 23, and the magnetron 21 is located above and below the cavity 2, so that the magnetron 21 It can move in the triaxial platform 23, especially the triaxial platform 23 has the axial directions of X axis, Y axis, and Z axis. Cooperating with each other can produce multi-axial movement, which makes the magnetron 21 The guided wave channel 22 can move left and right, front and back, up and down, and inclination, so as to adjust the distance between the magnetron 21 and the work piece 3 to achieve a short distance and move the microwave, which can focus the microwave on the work piece. The required part of 3 can be transmitted without moving the work piece 3 to achieve a fixed point to align the work piece 3 with microwaves.

Next, please refer to FIG. 5 again, which is a top cross-sectional view of the present invention. The work piece 3 is fork-shaped from the top view. At this time, the triaxial platform 23 can be used to move the magnetron 21, thereby Control the position of microwave emission, and can scan the trajectory of the work piece 3 (as shown in Figure 6), so that the guided wave channel 22 of the magnetron 21 moves along the shape of the work piece 3, and in addition, by three axes The platform 23 can rotate the magnetron 21, and it can rotate according to the angle and thickness of the work piece 3. It can flexibly apply microwaves to multiple points of the work piece 3, so that the microwave mobile can work on the work piece 3. The short-distance heating achieves uniform heating and efficient microwave application, which is an improved structure of progressive microwave heating cavity.

In addition, please continue to refer to FIG. 7, which is a diagram of another embodiment of the present invention. The application of the three-axis platform 23 of the present invention can also be directed to the moving work piece 3, which is in the three-axis direction. The work piece 3 is moved into the platform 23 (as shown in FIG. 8). In this embodiment, the screw 4 is used to move the work piece 3 left and right, front and back, and up and down, that is, the work piece 3 is moved in multiple axial directions to make the work piece 3 partly. Or the part where the end is not easily heated, directly apply microwaves to improve the flexibility of applying microwaves.

The main point of the present invention is that the triaxial platform 23 uses the combination of the X-axis, Y-axis, and Z-axis (as shown in FIG. 8) to generate left-right, front-to-back, and up-and-down movement, and the moving mechanism can use the existing Transmissions such as belts, screws, etc. can be achieved without restricting specific structures.

In summary, the present invention uses a three-axis platform to generate multi-axial microwave application to the work piece without moving the work piece, that is, it can perform multi-point, multi-position and multi-angle application according to the microwave heating requirements of the work piece. In order to enhance the efficiency of microwave heating, it has the advantages of high efficiency, comprehensive heating uniformly, and saves construction costs, energy consumption and reduction of loss rate. When it meets the requirements of invention patents, it will file a patent application according to law.

Claims (7)

A multi-axially controlled microwave heating cavity is mainly composed of a cavity, a magnetron, a guided wave channel, and a triaxial platform. The cavity has a receiving space for receiving the triaxial platform. The three-axis platform has three axes of the X axis, Y axis, and Z axis, and generates a multi-axis movement space and a transmission device, which can generate left, right, front, back, up, and slope movements; the magnetron The magnetron is installed above and below the cavity, and the magnetron is connected with a guided wave channel, so that the magnetron can perform X, Y, Z, XY, XZ and YZ axial movement on a triaxial platform, that is, left and right , Back and forth, up and down, and slope movement, and can move the work piece to apply microwave. The multi-axially controllable microwave device according to claim 1, wherein the frequency generated by the magnetron is 2.45 GHz, which is matched with the WR340 guided wave channel, so that the magnetron emits a single-mode microwave electromagnetic wave . The multi-axially controllable microwave device according to claim 1, wherein the frequency generated by the magnetron is 0.915 GHz, which is matched with the WR975 guided wave channel, so that the magnetron emits a single-mode microwave electromagnetic wave . The triaxially controllable microwave device according to claim 1, wherein the triaxial platform is capable of multi-axially moving the work piece. The triaxially controllable microwave device according to claim 1, wherein the triaxial platform is capable of scanning a work piece and moving the magnetron according to its trajectory. The triaxially controllable microwave device according to claim 1, wherein the magnetron can generate rotation by the control of the triaxial platform. The triaxially controllable microwave device according to claim 1, wherein the transmission device is a belt or a screw.