CN215990583U

CN215990583U - Microwave frequency converter with heat dissipation structure

Info

Publication number: CN215990583U
Application number: CN202121153818.9U
Authority: CN
Inventors: 栾一鸣
Original assignee: Changzhou China One Communicates Science And Technology Ltd
Current assignee: Changzhou China One Communicates Science And Technology Ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-03-08
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a microwave frequency converter with a heat dissipation structure, which comprises a body, a heat dissipation assembly, a frequency conversion assembly and a temperature control assembly, wherein the body comprises a shell and a cover plate, the heat dissipation assembly comprises a fixed plate fixed in the shell, a seal box fixed at the top of the fixed plate, a miniature air pump arranged in the seal box, a main pipe connected to the output end of the miniature air pump and penetrating through the side wall of the seal box, branch pipes connected to the side wall of the main pipe, communicating pipes connected to the side walls of the branch pipes, air pipes connected to the communicating pipes and an air guide groove formed in the side wall of the shell, and the microwave frequency converter has the beneficial effects that: make the inside radiating effect reinforcing of microwave frequency conversion subassembly casing to can carry out even heat dissipation, make inside hot-air discharge uniformly through evenly distributed's trachea and wind-guiding groove, avoid appearing the uneven condition of heat dissipation, strengthen the radiating effect, and can in time control the inside temperature of casing.

Description

Microwave frequency converter with heat dissipation structure

Technical Field

The utility model relates to the technical field of microwave frequency conversion assemblies, in particular to a microwave frequency converter with a heat dissipation structure.

Background

The driving power supply of the magnetron of the traditional microwave equipment usually adopts a circuit structure of a power frequency high-voltage transformer, and has high energy consumption, large volume, heavy weight and unadjustable power; thus limiting the versatility of the microwave device. In recent years, a microwave variable frequency power supply is gradually replacing a traditional power frequency high voltage transformer circuit structure due to the advantages of energy conservation, electricity saving, good reliability, wide voltage adaptation, capability of continuously adjusting power and the like, and because a high frequency transformer and a semiconductor power element of the microwave variable frequency power supply generate a large amount of heat in work, the heat generated by the high frequency transformer and the semiconductor power element needs to be discharged through a heat dissipation structure.

The existing microwave frequency conversion assembly and heat dissipation structure have the advantages that the overall structure of the microwave frequency conversion assembly is unreasonable, the ventilation efficiency is low, the overall heat dissipation capacity is small, the heat dissipation effect is poor, particularly, the heat dissipation can be performed locally only when the heat dissipation is performed frequently, the heat dissipation can not be performed uniformly on the whole, the overall heat dissipation effect is poor, the service life of the heat dissipation structure is prolonged, the normal working environment of an electronic element is maintained, and the design of a frequency conversion power supply shell and an air channel is particularly important.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

a microwave frequency converter with a heat dissipation structure comprises a body, a heat dissipation assembly, a frequency conversion assembly and a temperature control assembly, the body comprises a shell and a cover plate, the heat dissipation assembly comprises a fixed plate fixed in the shell, a seal box fixed at the top of the fixed plate, a miniature air pump arranged in the seal box, a header pipe connected with the output end of the miniature air pump and penetrating through the side wall of the seal box, a branch pipe connected on the side wall of the header pipe, a communicating pipe connected on the side wall of the branch pipe, an air pipe connected on the communicating pipe, an air guide groove arranged on the side wall of the shell, heat dissipation holes arranged on the cover plate and matched with the air guide groove, and a through hole arranged at the top of the cover plate and matched with the top of the seal box, the frequency conversion assembly is arranged in the shell, and the temperature control assembly is arranged in the shell.

Preferably, the frequency conversion assembly comprises a microwave frequency conversion power panel arranged in the shell and positioned at the top of the fixing plate, a frequency converter fixed at the top of the microwave frequency conversion power panel, a power component fixed at the top of the microwave frequency conversion power panel, a resistor arranged at the top of the microwave frequency conversion power panel, a connector connected to the top of the microwave frequency conversion power panel, a terminal fixed at the top of the connector and a wire connected to the terminal.

Preferably, the temperature control assembly comprises a controller fixed on the top of the fixing plate, a temperature measuring instrument installed on the fixing plate, and a signal transceiver installed on the fixing plate.

Preferably, a heat dissipation frame is mounted on the side wall of the housing and at a position lower than the fixing plate, and a louver is mounted inside the heat dissipation frame.

Preferably, the cover plate is provided with a dust screen at the position of the through hole.

Preferably, the body further comprises a display screen arranged on the front surface of the shell, a frequency modulation knob connected to the front surface of the shell and a switch arranged on the side wall of the shell.

Preferably, an auxiliary fan is installed inside the housing and at the bottom of the fixing plate.

Preferably, the fixing plate is made of heat conducting material.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the heat dissipation effect inside the shell of the microwave frequency conversion component is enhanced through the arranged heat dissipation component, the outside cold air is uniformly blown to the inside of the shell through the air pipe by the air pump and has a certain flow velocity, so that the inside hot air is uniformly discharged through the air guide groove and the heat dissipation holes, the condition of uneven heat dissipation is avoided, and the heat dissipation effect is enhanced.

2. According to the utility model, the temperature control assembly is arranged, so that heat is radiated through the heat radiation assembly when the temperature inside the induction part is too high, the air pump is prevented from working all the time, the working efficiency of the air pump is reduced, the service life of the heat radiation assembly is prolonged, and the temperature inside the shell can be controlled in time.

Drawings

FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;

FIG. 2 is a schematic diagram of the overall internal structure of one embodiment of the present invention;

FIG. 3 is a top view of the interior of one embodiment of the present invention;

FIG. 4 is a schematic view of the overall backside structure of one embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a frequency conversion module according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a temperature control assembly according to an embodiment of the present invention.

Reference numerals:

100. a body; 101. a housing; 102. a cover plate; 103. a display screen; 104. a frequency modulation knob; 105. a switch;

200. a heat dissipating component; 201. a fixing plate; 202. a sealing box; 203. an air pump; 204. a header pipe; 205. pipe distribution; 206. a communicating pipe; 207. an air tube; 208. a wind guide groove; 209. heat dissipation holes; 210. a through hole; 211. a blind window; 212. a dust screen;

300. a frequency conversion assembly; 301. a microwave variable frequency power panel; 302. a frequency converter; 303. a power component; 304. a resistance; 305. a connector; 306. a terminal; 307. a wire;

400. a temperature control assembly; 401. a controller; 402. a temperature measuring instrument; 403. a signal transceiver.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

The following describes a microwave frequency converter with a heat dissipation structure according to some embodiments of the present invention with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 4, the microwave frequency converter with a heat dissipation structure according to the present invention includes a main body 100, a heat dissipation assembly 200, a frequency conversion assembly 300, and a temperature control assembly 400, where the main body 100 includes a casing 101 and a cover plate 102, the heat dissipation assembly 200 includes a fixing plate 201 fixed inside the casing 101, a seal box 202 fixed on a top of the fixing plate 201, a micro air pump 203 disposed inside the seal box 202, a header pipe 204 connected to an output end of the micro air pump 203 and penetrating through a sidewall of the seal box 202, a branch pipe 205 connected to a sidewall of the header pipe 204, a communication pipe 206 connected to a sidewall of the branch pipe 205, an air pipe 207 connected to the communication pipe 206, an air guiding groove 208 opened on a sidewall of the casing 101, a 209 opened on the cover plate 102 and adapted to the air guiding groove 208, and a through hole 210 opened on a top of the cover plate 102 and adapted to a top of the seal box 202.

The frequency conversion assembly 300 is disposed inside the casing 101, and the temperature control assembly 400 is disposed inside the casing 101, specifically, the heat dissipation effect of the conventional heat dissipation structure is poor, the heat dissipation effect is enhanced by the heat dissipation assembly 200, when the internal temperature of the housing 101 is too high, heat is dissipated through the heat dissipating assembly 200, the air pump 203 is first operated, the air pump 203 pumps cold air outside the housing 101 into the air pump 203 in the sealed box 202 through the through hole 210 at the top of the cover plate 102, the air in the air pump 203 enters the branch pipe 205 through the manifold 204, enters the communicating pipe 206 through the branch pipe 205, is blown to the inside of the casing 101 through the air pipe 207 on the communicating pipe 206, so that the hot air in the housing 101 is blown to the heat dissipation holes 209 on the cover plate 102 through the air guiding groove 208 and then dissipated from the heat dissipation holes 209, so that the cold air with flow velocity can radiate the hot air in the casing 101, thereby achieving the effect of enhancing the heat radiation.

The side wall of the casing 101 is provided with a heat dissipation frame at a position lower than the fixing plate 201, the heat dissipation frame is internally provided with a louver 211, specifically, hot air is divided into two parts to be dissipated through the air guide groove 208, the other part enters the bottom of the fixing plate 201 through the air guide groove 208, and then the louver 211 at the bottom is used for evacuating the hot air, so that the hot air is prevented from being accumulated too much to be discharged in the first time.

An auxiliary fan is installed inside the casing 101 and at the bottom of the fixing plate 201, and in particular, hot air at the bottom of the fixing plate 201 is blown to the position of the louver 211 by the auxiliary fan and discharged.

The fixing plate 201 is made of a heat conducting material, and particularly, the fixing plate 201 with a heat conducting function enables heat above to be dissipated from the louver 211 through the fixing plate 201 with the heat conducting function.

The dust screen 212 is installed on the cover plate 102 at the position of the through hole 210, and specifically, dust is prevented from entering from the through hole 210 through the dust screen 212, so that dust is prevented from accumulating for a long time, and the inside of the sealed box 202 and the air pump 203 inside are not easy to clean.

Example two:

referring to fig. 5, in the first embodiment, the frequency conversion assembly 300 includes a microwave frequency conversion power board 301 disposed inside the casing 101 and located on the top of the fixing plate 201, a frequency converter 302 fixed on the top of the microwave frequency conversion power board 301, a power component 303 fixed on the top of the microwave frequency conversion power board 301, a resistor 304 disposed on the top of the microwave frequency conversion power board 301, a connector 305 connected to the top of the microwave frequency conversion power board 301, a terminal 306 fixed on the top of the connector 305, and a conducting wire 307 connected to the terminal 306, specifically, the frequency conversion function is realized by the frequency conversion assembly 300, the frequency converter 302 on the microwave frequency conversion power board 301 performs the frequency conversion function, the power component 303 provides the maximum product of voltage and current for the load as much as possible, the frequency is changed by controlling the size of the resistor 304, and the connection between the microwave frequency conversion power board 301 and the terminal 306 is realized by the connector 305, the connection between the frequency conversion component 300 and an external device is realized through the terminal 306 and the wire 307.

Example three:

referring to fig. 6, in the above embodiment, the temperature control assembly 400 includes a controller 401 fixed on the top of the fixing plate 201, a temperature measuring instrument 402 installed on the fixing plate 201, and a signal transceiver 403 installed on the fixing plate 201, specifically, the temperature inside the casing 101 is controlled by the temperature control assembly 400 to be constant temperature, so as to prevent the service life of the internal element from being affected by the overhigh temperature inside the casing 101, the temperature inside the casing 101 is monitored by the temperature measuring instrument 402, when the temperature inside the casing 101 is overhigh, the signal transceiver 403 sends a received signal to the controller 401 and sends a signal for cooling to the controller 401, so that the controller 401 controls the air pump 203 to operate, and the temperature inside the casing 101 is dissipated by the heat dissipation assembly 200, so that the unnecessary operation of the air pump 203 is solved while the temperature is timely lowered.

Example four:

referring to fig. 1, in the above embodiment, the main body 100 further includes a display screen 103 disposed on the front surface of the casing 101, a frequency modulation knob 104 connected to the front surface of the casing 101, and a switch 105 disposed on a side wall of the casing 101, specifically, the display screen 103 displays the temperature condition and the frequency conversion information inside the casing 101, the frequency modulation knob 104 performs frequency modulation, and the switch 105 turns on and off the apparatus.

The working principle and the using process of the utility model are as follows: firstly, when the temperature inside the casing 101 is too high, the signal transceiver 403 sends the received signal to the controller 401 and sends a signal for reducing the temperature to the controller 401, so that the controller 401 controls the air pump 203 to operate, the temperature inside the casing 101 is dissipated through the heat dissipation assembly 200, the air pump 203 operates, the air pump 203 pumps cold air outside the casing 101 to the air pump 203 inside the sealed box 202 through the through hole 210 at the top of the cover plate 102, air in the air pump 203 enters the branch pipe 205 through the main pipe 204, enters the communicating pipe 206 through the branch pipe 205, and is blown to the inside of the casing 101 through the air pipe 207 on the communicating pipe 206, so that hot air inside the casing 101 is blown to the heat dissipation holes 209 on the cover plate 102 through the air guide groove 208 and is dissipated through the heat dissipation holes 209, so that the cold air with a flow rate dissipates the hot air in the casing 101, and an enhanced heat dissipation effect is achieved, the hot air is divided into two parts through the air guide groove 208 to be dissipated, the other part enters the bottom of the fixing plate 201 through the air guide groove 208, then the blind window 211 at the bottom disperses the hot air, the phenomenon that the hot air is too much to cause accumulation and cannot be discharged in the first time is prevented, the dust is prevented from entering the sealing box 202 from the through hole 210 through the dust screen 212, the heat above the fixing plate 201 with the heat conduction function is enabled to dissipate a small part of heat from the blind window 211 through the fixing plate 201 with the heat conduction function, and the hot air at the bottom of the fixing plate 201 is blown to the position of the blind window 211 through the auxiliary fan and is discharged.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are used broadly and encompass, for example, a fixed connection, a removable connection, or an integral connection, and a connection may be a direct connection or an indirect connection via intermediate media. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a take heat radiation structure's microwave frequency converter which characterized in that includes:

a body (100), the body (100) comprising a housing (101) and a cover plate (102);

the heat dissipation assembly (200) comprises a fixing plate (201) fixed in the shell (101), a sealing box (202) fixed at the top of the fixing plate (201), a micro air pump (203) arranged in the sealing box (202), a header pipe (204) connected to the output end of the micro air pump (203) and penetrating through the side wall of the sealing box (202), and branch pipes (205) connected to the side wall of the header pipe (204), the air pipe is connected with a communication pipe (206) on the side wall of the branch pipe (205), an air pipe (207) on the communication pipe (206), an air guide groove (208) on the side wall of the shell (101), a heat dissipation hole (209) on the cover plate (102) and matched with the air guide groove (208), and a through hole (210) on the top of the cover plate (102) and matched with the top of the seal box (202);

a variable frequency assembly (300), the variable frequency assembly (300) being disposed inside the housing (101);

the temperature control assembly (400), the temperature control assembly (400) set up in the inside of casing (101).

2. The microwave frequency converter with the heat dissipation structure according to claim 1, wherein the frequency conversion assembly (300) comprises a microwave frequency conversion power supply board (301) disposed inside the housing (101) and located on top of the fixing plate (201), a frequency converter (302) fixed on top of the microwave frequency conversion power supply board (301), a power component (303) fixed on top of the microwave frequency conversion power supply board (301), a resistor (304) disposed on top of the microwave frequency conversion power supply board (301), a connector (305) connected to top of the microwave frequency conversion power supply board (301), a terminal (306) fixed on top of the connector (305), and a wire (307) connected to the terminal (306).

3. The microwave frequency converter with the heat dissipation structure according to claim 1, wherein the temperature control assembly (400) comprises a controller (401) fixed on the top of the fixing plate (201), a temperature measuring instrument (402) installed on the fixing plate (201), and a signal transceiver (403) installed on the fixing plate (201).

4. The microwave frequency converter with the heat dissipation structure as claimed in claim 1, wherein a heat dissipation frame is installed on a side wall of the housing (101) at a position lower than the fixing plate (201), and a louver (211) is installed inside the heat dissipation frame.

5. The microwave frequency converter with the heat dissipation structure as recited in claim 1, wherein a dust screen (212) is installed on the cover plate (102) at the position of the through hole (210).

6. The microwave frequency converter with the heat dissipation structure according to claim 1, wherein the body (100) further comprises a display screen (103) disposed on a front surface of the housing (101), a frequency adjustment knob (104) connected to the front surface of the housing (101), and a switch (105) disposed on a side wall of the housing (101).

7. The microwave frequency converter with the heat dissipation structure as recited in claim 1, wherein an auxiliary fan is installed inside the housing (101) and at the bottom of the fixing plate (201).

8. The microwave frequency converter with the heat dissipation structure as recited in claim 1, wherein the fixing plate (201) is made of a heat conductive material.