CN219019066U

CN219019066U - Microwave generator

Info

Publication number: CN219019066U
Application number: CN202223502324.4U
Authority: CN
Inventors: 郭长水; 常明亮
Original assignee: Hunan Megmit Electric Technology Co ltd
Current assignee: Hunan Megmit Electric Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-12
Anticipated expiration: 2032-12-21

Abstract

The embodiment of the utility model relates to the technical field of electronic equipment, and particularly discloses a microwave generator, which comprises a shell, a magnetron, an excitation cavity, a dielectric window and an circulator, wherein the shell is provided with an accommodating cavity and an opening, the opening is communicated with the accommodating cavity, the magnetron is arranged in the accommodating cavity, one end of the excitation cavity is provided with an adapter, the other end of the excitation cavity is inserted into the accommodating cavity from the opening, the adapter is connected with the shell to seal the opening, the excitation cavity is connected with the magnetron, the dielectric window is connected with one end of the excitation cavity, which is provided with the adapter, and the circulator is connected with one end of the dielectric window, which is far away from the excitation cavity. Through the mode, the problem that the shell, the excitation cavity, the dielectric window and the circulator are difficult to assemble in production and assembly can be solved by adding the adapter.

Description

Microwave generator

Technical Field

The embodiment of the utility model relates to the technical field of electronic equipment, in particular to a microwave generator.

Background

With the development of microwave technology, the application fields of microwave generating devices are becoming wider and wider, such as food heating, food sterilization, meat thawing, etc.

However, in implementing embodiments of the present utility model, the inventors found that: the microwave generating device comprises a shell, an excitation cavity, a dielectric window and an circulator, wherein the excitation cavity is arranged in the shell, one end of the excitation cavity protrudes out of the shell and is sequentially connected with the dielectric window and the circulator, when the microwave generating device is produced and assembled, the excitation cavity is firstly arranged in the shell, and then sequentially penetrates through the shell and one end, outside the shell, of the excitation cavity, of the dielectric window and the circulator through bolts, so that the shell, the excitation cavity, the dielectric window and the circulator are fixedly connected, but the space in the shell is narrow, and the bolts are not easy to lock, so that the shell, the excitation cavity, the dielectric window and the circulator are difficult to assemble when the microwave generating device is produced and assembled.

Disclosure of Invention

The technical problem which is mainly solved by the embodiment of the utility model is to provide the microwave generator, the excitation cavity is provided with the adapter, and the problem that the shell, the excitation cavity, the dielectric window and the circulator are difficult to assemble in production and assembly can be solved.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a microwave generator, including casing, magnetron, excitation chamber, dielectric window and circulator, the casing is provided with accepts chamber and opening, the opening with accept the chamber intercommunication, the magnetron set up in accept the intracavity, the one end of excitation chamber is provided with the adaptor, the other end of excitation chamber is followed the opening inserts accept the chamber, the adaptor with the casing is connected, in order to seal the opening, the excitation chamber with the magnetron is connected, the dielectric window with the excitation chamber is provided with the one end of adaptor and is connected, the circulator with the dielectric window deviates from the one end of excitation chamber is connected.

Optionally, the adaptor is in a ring plate shape, and the adaptor is sleeved on the outer wall of the excitation cavity.

Optionally, the adaptor is provided with at least one connection hole for detachable connection with the housing.

Optionally, the microwave generator further comprises a water cooling device, wherein the water cooling device is arranged on the circulator and is connected with one side of the magnetron through a pipeline.

Optionally, the microwave generator further comprises a filament transformer and an auxiliary power supply which are electrically connected, wherein the filament transformer is connected with the magnetron;

the accommodating cavity is internally provided with a first bracket, the first bracket is arranged on one side of the magnetron, the first bracket bears the filament transformer, and the auxiliary power supply is arranged below the first bracket.

Optionally, the microwave generator further comprises a waterproof cover, the waterproof cover is fixed to the first bracket, and the waterproof cover covers the filament transformer and the auxiliary power supply.

Optionally, the microwave generator further comprises a control circuit board, the control circuit board is accommodated in the accommodating cavity, the control circuit board is arranged on the other side of the magnetron, and the control circuit board is connected with the magnetron.

Optionally, the microwave generator further includes a second bracket, the second bracket is fixed in the accommodating cavity, and the second bracket supports the excitation cavity.

Optionally, the microwave generator further includes a first air cooling component, where the first air cooling component is disposed on the second bracket, and the first air cooling component corresponds to the other end of the excitation cavity.

The microwave generator further comprises a second air cooling assembly, wherein the second air cooling assembly is accommodated in the accommodating cavity and is connected with the magnetron.

In the embodiment of the utility model, the microwave generator comprises a shell, a magnetron, an excitation cavity, a dielectric window and an circulator, wherein the shell is provided with an accommodating cavity and an opening, the opening is communicated with the accommodating cavity, the magnetron is arranged in the accommodating cavity, one end of the excitation cavity is provided with an adapter, the other end of the excitation cavity is inserted into the accommodating cavity from the opening, the adapter is connected with the shell to seal the opening, the excitation cavity is connected with the magnetron, the dielectric window is connected with one end of the excitation cavity, which is provided with the adapter, and the circulator is connected with one end of the dielectric window, which is far away from the excitation cavity. During production assembly, the water cooling device and the circulator are connected, the circulator, the dielectric window, the excitation cavity and the adapter are connected, then the excitation cavity is inserted into the accommodating cavity, then the adapter is fixedly connected with the shell, and the problem that the shell, the excitation cavity, the dielectric window and the circulator are difficult to assemble during production assembly is solved by adding the adapter.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and that other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a microwave generator according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a microwave generator according to an embodiment of the utility model;

FIG. 3 is a schematic view of another view part of the microwave generator according to the embodiment of the utility model;

fig. 4 is a schematic structural view of a housing in a microwave generator according to an embodiment of the utility model;

fig. 5 is a schematic view of the structure of an excitation chamber in a microwave generator according to an embodiment of the utility model.

Reference numerals illustrate:

100. a microwave generator; 11. a housing; 111. a housing chamber; 112. an opening; 113. a first through hole; 114. a second through hole; 115. a third through hole; 116. a first screw hole; 12. an excitation chamber; 121. an adapter; 122. a connection hole; 13. a dielectric window; 14. a circulator; 15. a magnetron; 151. a high voltage terminal; 16. a water cooling device; 17. a first cooling tube; 18. a second cooling tube; 19. a filament transformer; 20. a first bracket; 21. an auxiliary power supply; 22. a waterproof cover; 23. a control circuit board; 24. a second bracket; 25. a first air cooling assembly; 26. a second air cooling assembly; 27. and (5) a screw.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the microwave generator 100 includes a housing 11, an excitation chamber 12, a dielectric window 13, a circulator 14, a magnetron 15, a water cooling device 16, a first cooling pipe 17, a second cooling pipe 18, a filament transformer 19, a first bracket 20, an auxiliary power supply 21, a waterproof cover 22, a control circuit board 23, a second bracket 24, a first air cooling assembly 25, and a second air cooling assembly 26. An excitation cavity 12 is at least partially disposed within the housing 11, the excitation cavity 12 being for amplifying microwaves. A dielectric window 13 is connected to an end of the excitation chamber 12 outside the housing 11, the dielectric window 13 being used for filtering microwaves and preventing dust or foreign matter from entering the circulator 14. A circulator 14 is connected to the end of the dielectric window 13 facing away from the excitation chamber 12, the circulator 14 being used to feed microwaves out. The magnetron 15 is disposed in the housing 11, the magnetron 15 is connected to the excitation chamber 12, and the magnetron 15 is used to generate microwaves after being energized and emit the microwaves into the excitation chamber 12. The water cooling device 16 is arranged on the circulator 14, and the water cooling device 16 is connected with one side of the magnetron 15 through a pipeline. The above-mentioned pipeline includes first cooling pipe 17 and second cooling pipe 18, and one side and the water-cooling device 16 of magnetron 15 are connected respectively to the both ends of first cooling pipe 17, and one side and the circulator 14 of magnetron 15 are connected respectively to the both ends of second cooling pipe 18. The circulator 14 is connected with the water cooling device 16, and the first cooling pipe 17, the second cooling pipe 18, the circulator 14 and the water cooling device 16 form a cooling loop to cool and dissipate heat of the magnetron 15 and the circulator 14. In some embodiments, the circulator 14 and the water cooling device 16 are connected with an external pumping device through a pipeline to form a cooling loop, and the pumping device is used for accelerating the liquid flow rate of the cooling loop and better cooling and radiating the magnetron 15 and the circulator 14. A filament transformer 19 is provided in the housing 11, and the filament transformer 19 is connected to the magnetron 15 to supply a preset voltage to the magnetron 15. The first bracket 20 is fixed in the housing 11, the first bracket 20 carrying the filament transformer 19. The auxiliary power supply 21 is disposed below the first bracket 20, the auxiliary power supply 21 is electrically connected to the filament transformer 19, and the auxiliary power supply 21 is used for supplying power to the filament transformer 19 during pre-starting. The waterproof cover 22 is fixed on the first bracket 20, and the waterproof cover 22 covers the filament transformer 19 and the auxiliary power supply 21, so that leaked cooling liquid can not contact the filament transformer 19 and the auxiliary power supply 21 even if the first cooling pipe 17 or the second cooling pipe 18 breaks or falls off, the risk of short circuit can be avoided, the probability of damage to the filament transformer 19 and the auxiliary power supply 21 is reduced, and the reliability and the safety of the microwave generator 100 are improved. The control circuit board 23 is arranged in the shell 11, the control circuit board 23 is arranged on the other side of the magnetron 15, the control circuit board 23 is connected with the magnetron 15, and the control circuit board 23 is used for controlling the magnetron 15. A second bracket 24 is secured within the housing 11, the second bracket 24 supporting the excitation chamber 12. The first air cooling assembly 25 is disposed on the second bracket 24, the first air cooling assembly 25 corresponds to a portion of the excitation cavity 12, and the first air cooling assembly 25 is configured to cool and dissipate heat from the excitation cavity 12. The second air cooling assembly 26 is disposed in the housing 11, and the second air cooling assembly 26 is connected to the magnetron 15, and the second air cooling assembly 26 is used for cooling and dissipating heat of the magnetron 15.

For the above-mentioned housing 11, please refer to fig. 4, the housing 11 is provided with a housing cavity 111, an opening 112, a first through hole 113 and a second through hole 114, the housing cavity 111 is communicated with the opening 112, the housing cavity 111 houses the exciting cavity 12, the magnetron 15, the filament transformer 19, the control circuit board 23, one end of the first cooling tube 17, one end of the second cooling tube 18, the first bracket 20, the auxiliary power supply 21, the waterproof cover 22, the first air cooling assembly 25, the second bracket 24 and the second air cooling assembly 26, so that the structure of the microwave generator 100 is simple and compact, the filament transformer 19 is prevented from being arranged in an external high-voltage power box, and then the filament transformer 19 is connected with the magnetron 15 through a high-voltage resistant wire, thereby reducing the cost. The first through hole 113 and the second through hole 114 are for passing the second cooling pipe 18 and the first cooling pipe 17, respectively.

In some embodiments, the housing 11 is provided with a plurality of third through holes 115, so that the accommodating cavity 111 communicates with the outside, facilitating the heat dissipation of the excitation cavity 12 and the magnetron 15.

For the excitation chamber 12, referring to fig. 5, one end of the excitation chamber 12 is provided with an adaptor 121, the adaptor 121 is connected with the housing 11 to close the opening 112, the adaptor 121 is in a ring plate shape, the adaptor 121 is sleeved on the outer wall of the excitation chamber 12, and the other end of the excitation chamber 12 is inserted into the accommodating chamber 111 from the opening 112. Specifically, during production and assembly, one end of the excitation cavity 12, the dielectric window 13 and the circulator 14 are connected together into a whole through bolts, then the other end of the excitation cavity 12 is inserted into the accommodating cavity 111 from the opening 112, and then the adaptor 121 is connected with the shell 11, so that the problem that the shell 11, one end of the excitation cavity 12, the dielectric window 13 and the circulator 14 are difficult to assemble during production and assembly is solved.

In some embodiments, referring to fig. 2, 4 and 5, the microwave generator 100 further includes at least one screw 27, the housing 11 is provided with at least one first screw hole 116, the adaptor 121 is provided with at least one connection hole 122, and a screw 27 is screwed to the first screw hole 116 through a connection hole 121, so that the excitation chamber 12 is detachably connected to the housing 11. However, the adaptor 121 may be fixed to the housing 11 by bonding or the like. For the above-mentioned magnetron 15, referring to fig. 3, the magnetron 15 is provided with a high voltage terminal 151, and the high voltage terminal 151 is used for being connected with an external high voltage power source so that the external high voltage power source can supply electric energy to the magnetron 15.

In the embodiment of the utility model, the microwave generator 100 comprises a shell 11, an excitation cavity 12, a dielectric window 13, a circulator 14 and a magnetron 15, wherein the shell 11 is provided with a containing cavity 111 and an opening 112, the opening 112 is communicated with the containing cavity 111, the magnetron 15 is arranged in the containing cavity 111, one end of the excitation cavity 12 is provided with an adapter 121, the other end of the excitation cavity 12 is inserted into the containing cavity 111 from the opening 112, the adapter 121 is connected with the shell 11 to seal the opening 112, the excitation cavity 12 is connected with the magnetron 15, the dielectric window 13 is connected with one end of the excitation cavity 12, which is provided with the adapter 121, and the circulator 14 is connected with one end of the dielectric window 13, which is away from the excitation cavity 12. During production and assembly, the water cooling device 16 and the circulator 14 are connected, the circulator 14, the dielectric window 13, the excitation cavity 12 and the adapter 121 are connected, the excitation cavity 12 is inserted into the accommodating cavity 111, the adapter 121 is connected and fixed with the shell 11, and the problem that the circulator 14 of the shell 11, the dielectric window 13 and the excitation cavity 12 is difficult to assemble during production and assembly is solved by adding the adapter 121.

It should be noted that the description of the present utility model and the accompanying drawings illustrate preferred embodiments of the present utility model, but the present utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are not to be construed as additional limitations of the utility model, but are provided for a more thorough understanding of the present utility model. The above-described features are further combined with each other to form various embodiments not listed above, and are considered to be the scope of the present utility model described in the specification; further, modifications and variations of the present utility model may be apparent to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be included within the scope of this utility model as defined in the appended claims.

Claims

1. A microwave generator, comprising:

the shell is provided with a containing cavity and an opening, and the opening is communicated with the containing cavity;

a magnetron arranged in the accommodating cavity;

the excitation cavity is provided with an adapter at one end, the other end of the excitation cavity is inserted into the accommodating cavity from the opening, the adapter is connected with the shell to seal the opening, and the excitation cavity is connected with the magnetron;

the dielectric window is connected with one end of the excitation cavity, provided with the adapter;

and the circulator is connected with one end of the dielectric window, which is away from the excitation cavity.

2. A microwave generator as claimed in claim 1, wherein,

the adaptor is annular plate-shaped, and is sleeved on the outer wall of the excitation cavity.

3. A microwave generator as claimed in claim 1, wherein,

the adapter is provided with at least one connection hole for detachable connection with the housing.

4. A microwave generator as claimed in claim 1, wherein,

the microwave generator further comprises a water cooling device, wherein the water cooling device is arranged on the circulator and is connected with one side of the magnetron through a pipeline.

5. A microwave generator as claimed in claim 4, wherein,

the microwave generator further comprises a filament transformer and an auxiliary power supply which are electrically connected, and the filament transformer is connected with the magnetron;

6. A microwave generator as claimed in claim 5, wherein,

the microwave generator further includes a waterproof cover fixed to the first bracket, and the waterproof cover covers the filament transformer and the auxiliary power supply.

7. A microwave generator as claimed in claim 5, wherein,

the microwave generator further comprises a control circuit board, the control circuit board is accommodated in the accommodating cavity, the control circuit board is arranged on the other side of the magnetron, and the control circuit board is connected with the magnetron.

8. A microwave generator as claimed in claim 1, wherein,

the microwave generator further comprises a second bracket, wherein the second bracket is fixed in the accommodating cavity, and the second bracket supports the excitation cavity.

9. A microwave generator as claimed in claim 8, wherein,

the microwave generator further comprises a first air cooling assembly, the first air cooling assembly is arranged on the second bracket, and the first air cooling assembly is used for cooling the excitation cavity.

10. A microwave generator as claimed in claim 3, wherein