CN217933701U

CN217933701U - Magnetron with compact structure

Info

Publication number: CN217933701U
Application number: CN202221722318.7U
Authority: CN
Inventors: 邓道阳
Original assignee: Nanjing Ningpu Lighting Protection Technology Co ltd
Current assignee: Nanjing Ningpu Lighting Protection Technology Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-29
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a compact structure magnetron, include: main part, one-level radiator unit and second grade radiator unit, the main part includes support and magnetron tube core, the magnetron tube core is installed in the support, one-level radiator unit includes the liquid reserve tank, coiled pipe and micropump, liquid reserve tank fixed connection is in support one side, coiled pipe is around outside the positive pole cavity of magnetron tube core and both ends mouth of pipe all run through behind the support with the liquid reserve tank intercommunication, micropump fixed connection is in the liquid reserve tank, the wherein one end and the micropump delivery port intercommunication of coiled pipe, the filling has the circulation liquid in the liquid reserve tank, second grade radiator unit is used for dispelling the heat to the coiled pipe, its beneficial effect does: the magnetron tube core is radiated by the circulating liquid and the fins through the primary radiating component and the secondary radiating component, the radiating effect is better compared with the existing magnetron with a compact structure and radiating through the radiating fins, and the radiating effect is further ensured by arranging the radiating fins to radiate and cool the circulating liquid.

Description

Magnetron with compact structure

Technical Field

The utility model relates to a magnetron technical field especially relates to a compact structure type magnetron.

Background

The magnetron is an electric vacuum device for generating microwave energy, the magnetron with compact structure is one of the magnetrons, which is essentially a diode arranged in a constant magnetic field, electrons in the tube interact with a high-frequency electromagnetic field under the control of the constant magnetic field and the constant electric field which are vertical to each other to convert energy obtained from the constant electric field into microwave energy, thereby achieving the purpose of generating the microwave energy, the magnetron can generate a large amount of heat when working, the service life of electronic components can be influenced by high-temperature environment, and heat dissipation is needed when the magnetron is used.

The heat dissipation mode of the existing magnetron with a compact structure is to dissipate heat by arranging heat dissipation fins outside an anode cylinder of a magnetron tube core, and although the heat dissipation mode can play a role in heat dissipation, the heat dissipation mode is limited by the size of the magnetron, and the number and the size of the fins are limited, so that the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The utility model discloses a current compact structure magnetron radiating effect is relatively poor in view of the above-mentioned problem, has provided the utility model.

Therefore, the present invention is directed to a magnetron with compact structure, which is used to solve the problems of poor heat dissipation effect of the existing magnetron with compact structure.

In order to solve the technical problem, the utility model provides a following technical scheme: a compact magnetron comprising:

a main body including a bracket and a magnetron tube core mounted in the bracket;

the primary heat dissipation assembly comprises a liquid storage tank, a coiled pipe and a micro pump, wherein the liquid storage tank is fixedly connected to one side of the support, the coiled pipe is coiled outside an anode cavity of the magnetron tube core, pipe orifices at two ends of the coiled pipe penetrate through the support and then are communicated with the liquid storage tank, the micro pump is fixedly connected into the liquid storage tank, one end of the coiled pipe is communicated with a water outlet of the micro pump, and circulating liquid is filled in the liquid storage tank;

the second-stage radiating assembly is arranged on the inner side of the support and comprises a radiating cover and a plurality of groups of fins, wherein the radiating cover is sleeved outside the serpentine pipe, the inner wall of the radiating cover is attached to the serpentine pipe, and the plurality of groups of fins are fixedly connected with the outer wall of the radiating cover.

As a preferable embodiment of the magnetron of the present invention, wherein: the liquid reserve tank outer wall both sides all fixedly connected with a plurality of groups fin, a plurality of groups the fin all runs through the liquid reserve tank and extends to in the liquid reserve tank.

As a preferable embodiment of the magnetron of the present invention, wherein: the liquid storage tank, the coiled pipe and the radiating fins are good thermal conductors, and the plurality of groups of radiating fins are distributed at equal intervals.

As a preferable embodiment of the magnetron of the present invention, wherein: the heat dissipation cover is also provided with a plurality of groups of heat dissipation holes, and the plurality of groups of heat dissipation holes are uniformly distributed on the heat dissipation cover.

As a preferable embodiment of the magnetron of the present invention, wherein: the radiating cover and the fins are good thermal conductors, and a plurality of groups of bends are arranged on the fins.

As a preferable embodiment of the magnetron of the present invention, wherein: the circulating liquid is cooling liquid, and the position of the micropump is far away from the pipe orifice at the other end of the coiled pipe.

The utility model has the advantages that: the magnetron tube core is radiated by the circulating liquid and the fins through the primary radiating component and the secondary radiating component, the radiating effect is better compared with the existing magnetron with a compact structure and radiating through the radiating fins, and the radiating effect is further ensured by arranging the radiating fins to radiate and cool the circulating liquid.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:

fig. 1 is a schematic diagram of the overall structure of a magnetron of the present invention.

Fig. 2 is a schematic diagram of a partial sectional structure of a heat dissipation cover of a magnetron with a compact structure according to the present invention.

Fig. 3 is a schematic diagram of a partial sectional structure of a liquid storage tank of a magnetron with a compact structure according to the present invention.

Description of the drawings: 100. a main body; 101. a support; 102. a magnetron tube core; 200. a primary heat dissipation assembly; 201. a liquid storage tank; 202. a serpentine tube; 203. a micro-pump; 204. a heat sink; 300. a secondary heat dissipation assembly; 301. a heat dissipation cover; 302. a fin; 303. and (4) heat dissipation holes.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention is described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure may not be partially enlarged according to the general scale, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Examples

A compact magnetron comprising:

a main body 100, as shown in fig. 1 and 2, including a bracket 101 and a magnetron die 102, the magnetron die 102 being mounted in the bracket 101;

the primary heat dissipation assembly 200, as shown in fig. 1 to 3, includes a liquid storage tank 201, a coiled pipe 202 and a micro pump 203, the liquid storage tank 201 is fixedly connected to one side of the bracket 101, the coiled pipe 202 is coiled outside the anode cavity of the magnetron tube core 102, and pipe orifices at two ends of the coiled pipe penetrate through the bracket 101 and then are communicated with the liquid storage tank 201, the micro pump 203 is fixedly connected in the liquid storage tank 201, one end of the coiled pipe 202 is communicated with a water outlet of the micro pump 203, and the liquid storage tank 201 is filled with a circulating liquid;

as shown in fig. 1 and 2, the secondary heat dissipation assembly 300 is disposed inside the support 101, and includes a heat dissipation cover 301 and fins 302, the heat dissipation cover 301 is disposed outside the coiled pipe 202, and the inner wall of the heat dissipation cover is attached to the coiled pipe 202, so as to ensure heat conduction, the fins 302 are provided with multiple groups, the multiple groups of fins 302 are all fixedly connected to the outer wall of the heat dissipation cover 301, and the multiple groups of fins 302 increase the heat dissipation area, thereby ensuring the heat dissipation effect.

In addition, as shown in fig. 1 to 3, a plurality of sets of fins 204 are fixedly connected to both sides of the outer wall of the liquid storage tank 201, the plurality of sets of fins 204 extend into the liquid storage tank 201 through the liquid storage tank 201, and the plurality of sets of fins 204 increase the heat dissipation area to ensure the heat dissipation effect on the circulating liquid.

It should be noted that the liquid storage tank 201, the serpentine tube 202, and the heat dissipation fins 204 are all good thermal conductors, so as to ensure a heat dissipation effect, and the plurality of groups of heat dissipation fins are distributed at equal intervals, so as to improve structural stability and ensure a heat dissipation effect.

In addition, a plurality of groups of heat dissipation holes 303 are further formed in the heat dissipation cover 301, and the plurality of groups of heat dissipation holes 303 are uniformly distributed on the heat dissipation cover 301, so that the heat dissipation holes 303 are used for improving the ventilation of the device, and the influence of hot air between the serpentine pipe 202 and the heat dissipation cover 301 on the heat dissipation effect is avoided.

It should be noted that the heat dissipation cover 301 and the fins 302 are good thermal conductors, the fins 302 are provided with a plurality of groups of bends to increase the heat dissipation area, the circulating liquid is a cooling liquid to ensure the heat dissipation effect, and the micro pump 203 is located far away from the pipe orifice at the other end of the serpentine pipe 202 to prevent the circulated hot cooling liquid from directly entering the serpentine pipe 202 through the micro pump 203.

The working principle is as follows: the heat generated when the magnetron tube core 102 works is conducted to the circulating liquid through the coiled tube 202, when the micro pump 203 runs, the circulating liquid is driven to flow in the coiled tube 202 and take away the heat, the liquid storage tank 201 and the plurality of groups of radiating fins 204 radiate the circulating liquid, the radiating cover 301 and the plurality of groups of fins 302 increase the radiating area of the coiled tube 202 and radiate the coiled tube 202 and the internal circulating liquid thereof, and the radiating holes 303 ensure the ventilation of the device and avoid the influence of hot air between the coiled tube 202 and the radiating cover 301 on the radiating effect.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or substituted by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A compact magnetron, comprising:

a body (100) comprising a support (101) and a magnetron die (102), the magnetron die (102) being mounted within the support (101);

the primary heat dissipation assembly (200) comprises a liquid storage tank (201), a coiled pipe (202) and a micro pump (203), wherein the liquid storage tank (201) is fixedly connected to one side of a support (101), the coiled pipe (202) is coiled outside an anode cavity of a magnetron tube core (102), pipe orifices at two ends of the coiled pipe penetrate through the support (101) and then are communicated with the liquid storage tank (201), the micro pump (203) is fixedly connected into the liquid storage tank (201), one end of the coiled pipe (202) is communicated with a water outlet of the micro pump (203), and circulating liquid is filled in the liquid storage tank (201);

the secondary heat dissipation assembly (300) is arranged on the inner side of the support (101) and comprises a heat dissipation cover (301) and fins (302), the heat dissipation cover (301) is sleeved outside the coiled pipe (202) and is attached to the coiled pipe (202) on the inner wall, and the fins (302) are provided with multiple groups of fins (302) which are fixedly connected with the outer wall of the heat dissipation cover (301).

2. A structurally compact magnetron as claimed in claim 1 wherein: the liquid reserve tank (201) outer wall both sides all fixedly connected with a plurality of groups fin (204), a plurality of groups fin (204) all run through liquid reserve tank (201) and extend to in liquid reserve tank (201).

3. A structurally compact magnetron as claimed in claim 2 wherein: the liquid storage tank (201), the coiled pipe (202) and the radiating fins (204) are good thermal conductors, and the plurality of groups of radiating fins (204) are distributed at equal intervals.

4. A structurally compact magnetron as claimed in claim 1 wherein: the heat dissipation cover (301) is further provided with a plurality of groups of heat dissipation holes (303), and the plurality of groups of heat dissipation holes (303) are uniformly distributed on the heat dissipation cover (301).

5. A structurally compact magnetron as claimed in claim 1 wherein: the heat dissipation cover (301) and the fins (302) are good thermal conductors, and the fins (302) are provided with a plurality of groups of bends.

6. A structurally compact magnetron as claimed in any one of claims 1 to 5 wherein: the circulating liquid is cooling liquid, and the position of the micro pump (203) is far away from the pipe orifice at the other end of the coiled pipe (202).