CN218888888U

CN218888888U - Variable frequency power supply and heat radiation structure thereof

Info

Publication number: CN218888888U
Application number: CN202222249157.0U
Authority: CN
Inventors: 赵中星; 嵇世卿; 蔡茂城; 王剑; 张国尚; 余自修
Original assignee: SHENZHEN RENDA GROUP
Current assignee: SHENZHEN RENDA GROUP
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-04-18
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to a variable frequency power supply and heat radiation structure thereof, including the cabinet body, STS module and cabinet door, the cabinet door can be opened and shut with the cabinet body and be connected, and the STS module sets up in the cabinet is internal and is close to the cabinet door, one side interval that the cabinet door was kept away from to STS module and the cabinet body forms the wind-guiding passageway, and the position that cabinet body top surface corresponds the wind-guiding passageway is equipped with radiator fan, has seted up heat dissipation channel on the STS module, heat dissipation channel and wind-guiding passageway intercommunication. Keep away from one side interval formation wind-guiding passageway of cabinet door through STS module and the cabinet body, and the position that cabinet body top surface corresponds wind-guiding passageway is equipped with radiator fan, set up the heat dissipation channel with wind-guiding passageway intercommunication on the STS module to the heat that makes the STS module produce can be arranged to the wind-guiding passageway through heat dissipation channel, and then derives to the cabinet external through radiator fan, reaches the thermal purpose of the internal portion of reduction cabinet, guarantees variable frequency power supply's performance and life.

Description

Variable frequency power supply and heat radiation structure thereof

Technical Field

The utility model relates to a variable frequency power supply technical field, in particular to are a variable frequency power supply and heat radiation structure thereof.

Background

The variable frequency power supply is widely applied to the fields of high-end precision manufacturing, mobile internet, semiconductor industry, national defense and military, electric power energy and the like. The variable frequency power supply which is suitable for complex and severe environment and has large capacity and broadband output plays an important role in the production and operation of the industries, and the research of the special variable frequency power supply with large capacity and broadband output also becomes one of the main development directions in the field of the current high-voltage frequency converter.

The inside of the variable frequency power supply generally needs to be provided with numerous electrical components, particularly, the variable frequency power supply internally provided with an STS module, namely a static transfer switch module, has the disadvantages of large amount of internally generated heat, poor heat dissipation performance and influence on the performance and service life of the variable frequency power supply.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses to the poor problem of traditional variable frequency power supply thermal diffusivity, provide a variable frequency power supply and heat radiation structure thereof, the radiating effect is good.

The utility model provides a variable frequency power supply's heat radiation structure, includes the cabinet body, STS module and cabinet door, the cabinet door with the cabinet body can open and shut and connect, the STS module set up in the cabinet is internal and be close to the cabinet door, the STS module with the cabinet body is kept away from one side interval formation wind-guiding passageway of cabinet door, cabinet body top surface corresponds the position of wind-guiding passageway is equipped with radiator fan, the last heat dissipation channel of having seted up of STS module, heat dissipation channel with the wind-guiding passageway intercommunication.

In one embodiment, the cabinet door is provided with heat dissipation holes communicated with the interior of the cabinet body.

In one embodiment, the heat dissipation holes are multiple, and the heat dissipation holes surround to form a rectangle and correspond to the position of the STS module.

In one embodiment, the STS module includes a front cover plate near one side of the cabinet door and a rear cover plate near one side of the air guiding channel, the front cover plate has a front hole, the rear cover plate has a rear hole, and the front hole and the rear hole are disposed opposite to each other and are communicated with an inner space of the STS module to form the heat dissipating channel.

In one embodiment, the front holes are multiple, and the front holes are arranged in a strip shape and in an array.

In one embodiment, the rear holes are multiple and are arranged in a concentric circular ring shape.

In one embodiment, a plurality of cooling fins are arranged in the internal space of the STS module, and the cooling fins are arranged at intervals.

In one embodiment, a side portion of the STS module and a side portion of the cabinet are spaced apart from each other to form a side air duct communicated with the air guide channel.

In one embodiment, the number of the heat dissipation fans is multiple, and the heat dissipation fans are arranged at intervals along the length direction of the air guide channel.

In one embodiment, the STS module is a plurality of STS modules, and the STS modules are arranged at intervals in a row along the height direction of the cabinet.

A variable frequency power supply comprises a heat dissipation structure of the variable frequency power supply.

The utility model discloses a variable frequency power supply and heat radiation structure thereof, through the STS module with the cabinet body is kept away from one side interval formation wind-guiding passageway of cabinet door, and cabinet body top surface corresponds the position of wind-guiding passageway is equipped with radiator fan, seted up on the STS module with the heat dissipation channel of wind-guiding passageway intercommunication to the heat that makes the STS module produce can be arranged to the wind-guiding passageway through heat dissipation channel, and then derives to the cabinet is external through radiator fan, reaches the thermal purpose of reduction cabinet internal portion, guarantees variable frequency power supply's performance and life.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to like or corresponding parts and in which:

fig. 1 is a schematic diagram of a variable frequency power supply according to an embodiment of the present application;

fig. 2 is a schematic diagram of a variable frequency power supply (with a cabinet door and a side plate of the cabinet body removed) according to an embodiment of the present application;

fig. 3 is a schematic diagram of a first view angle of an STS module of a variable frequency power supply according to an embodiment of the present application;

fig. 4 is a schematic diagram of a second view angle of an STS module of a variable frequency power supply according to an embodiment of the present application.

Description of reference numerals:

10. a cabinet body; 101. an air guide channel; 102. a side air duct; 20. a cabinet door; 201. heat dissipation holes; 30. an STS module; 301. a heat dissipation channel; 310. a front cover plate; 312. a front aperture; 320. a rear cover plate; 322. a rear aperture; 330. a heat sink; 40. a heat radiation fan; 50. a miniature circuit breaker.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments, of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-4, an embodiment of the present invention provides a variable frequency power supply, including a heat dissipation structure of the variable frequency power supply. The internal heat is radiated through the radiating structure, and the internal temperature is reduced.

In one embodiment, a heat dissipation structure of a variable frequency power supply includes a cabinet 10, an STS module 30, and a cabinet door 20, the cabinet door 20 is connected to the cabinet 10 in an openable and closable manner, and the STS module 30 is disposed in the cabinet 10 and is close to the cabinet door 20. The STS module 30 and one side of the cabinet 10 far away from the cabinet door 20 form an air guide channel 101 at an interval, a heat dissipation fan 40 is arranged at a position, corresponding to the air guide channel 101, on the top surface of the cabinet 10, a heat dissipation channel 301 is arranged on the STS module 30, and the heat dissipation channel 301 is communicated with the air guide channel 101.

The STS module 30 and one side of the cabinet body 10 far away from the cabinet door 20 are separated to form an air guide channel 101, a heat radiation fan 40 is arranged at the position of the top surface of the cabinet body 10 corresponding to the air guide channel 101, and the STS module 30 is provided with a heat radiation channel 301 communicated with the air guide channel 101, so that heat generated by the STS module 30 can be discharged to the air guide channel 101 through the heat radiation channel 301 and further led out of the cabinet body 10 through the heat radiation fan 40, the purpose of reducing the heat inside the cabinet body 10 is achieved, and the performance and the service life of the variable frequency power supply are ensured.

Referring to fig. 1, in one embodiment, the cabinet door 20 is provided with a heat dissipation hole 201 communicating with the interior of the cabinet 10. The cold air enters the cabinet through the heat dissipation holes 201, passes through the heat dissipation channel 301 of the STS module 30, brings out the heat inside the cabinet into the air guide channel 101, and is guided out of the cabinet 10 under the action of the heat dissipation fan 40 to form circulation, thereby achieving the purpose of heat dissipation.

In one embodiment, the number of the heat dissipation holes 201 is multiple, and the plurality of heat dissipation holes 201 surround to form a rectangle and correspond to the position of the STS module 30. The louvre 201 mainly dispels the heat to STS module 30, and a plurality of louvres 201 enclose to establish and form the rectangle, guarantee cabinet door 20's intensity, provide the radiating effect simultaneously.

Referring to fig. 3 and 4, in one embodiment, the STS module 30 includes a front cover plate 310 close to one side of the cabinet door 20 and a rear cover plate 320 close to one side of the air guiding channel 101, the front cover plate 310 is provided with a front hole 312, the rear cover plate 320 is provided with a rear hole 322, and the front hole 312 and the rear hole 322 are oppositely disposed and are communicated with an inner space of the STS module 30 to form the heat dissipating channel 301. Cold air enters the internal space of the STS module 30 from the front hole 312, flows to the air guiding channel 101 from the rear hole 322, and is discharged by the cooling fan 40, so that the internal heat dissipation circulation of the STS module 30 is formed, and the heat dissipation efficiency is improved.

Further, in one embodiment, the front holes 312 are plural, and the plural front holes 312 are arranged in a stripe and array. In the figure, a plurality of front holes 312 are arranged in two rows, so that on one hand, ventilation and heat dissipation are ensured, and on the other hand, the purpose of dust prevention is achieved.

Further, in one embodiment, the rear hole 322 is plural, and the plural rear holes 322 are arranged in a concentric circular ring shape. So set up, on the one hand guarantee ventilation cooling, on the other hand plays dustproof purpose with preceding hole 312 is worked together.

Optionally, in one embodiment, an exhaust fan is installed on the rear hole 322, and the exhaust fan is used for exhausting heat of the heat dissipation channel 301 to the air guiding channel 101 of the cabinet 10.

Referring to fig. 3 and 4, in an alternative embodiment, a plurality of heat dissipation fins 330 are disposed in the internal space of the STS module 30, and the plurality of heat dissipation fins 330 are disposed at intervals. The heat of the internal components of the STS module 30 is absorbed by the heat sink 330 and dissipated through the heat dissipation channel 301. The polylith fin 330 interval sets up, avoids the heat to pile up, guarantees the radiating effect.

Referring to fig. 1 and 2, optionally, in an embodiment, the number of the heat dissipation fans 40 is multiple, and the multiple heat dissipation fans 40 are arranged at intervals along the length direction of the air guiding channel 101. The plurality of heat dissipation fans 40 improve heat dissipation efficiency and ensure heat dissipation effects.

Optionally, in one embodiment, the STS module 30 is a plurality of STS modules 30, and the STS modules 30 are arranged at intervals in a row along the height direction of the cabinet 10. Gaps are formed between adjacent STS modules 30 to prevent heat accumulation and to dissipate heat.

Optionally, in one embodiment, a side of the STS module 30 and a side of the cabinet 10 are spaced apart from each other to form a side air duct 102 communicating with the air guiding channel 101. Through the side air duct 102, the side heat dissipation of the STS module 30 is facilitated, and a heat dissipation effect is provided. The side air duct 102 is communicated with the air guide passage 101, and heat emitted from the side portion flows to the air guide passage 101 and is then emitted by the heat radiation fan 40.

Further, the variable frequency power supply further includes other electrical components disposed in the cabinet 10, such as a molded case circuit breaker, a miniature circuit breaker 50, a wiring terminal, and the like. The cabinet door 20 is opened, and the molded case circuit breaker, the micro circuit breaker 50 and the like can be operated and controlled. Other electrical components set up in STS module 30 top, and other electrical components are close to cabinet door 20 one side and set up, so set up, avoid influencing STS module 30 heat dissipation.

In the above description of the present specification, the terms "fixed," "mounted," "connected," or "connected," and the like, are to be construed broadly unless otherwise expressly specified or limited. For example, with the term "coupled", it can be fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship. Therefore, unless the specification explicitly defines otherwise, those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

In light of the foregoing description of the present specification, those skilled in the art will also understand that terms used herein, such as "upper," "lower," "front," "rear," "left," "right," "length," "width," "thickness," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "center," "longitudinal," "lateral," "clockwise," or "counterclockwise," etc., indicate that such terms are based on the orientations and positional relationships illustrated in the drawings of the present specification, and are intended merely for the purpose of facilitating the description and simplifying the description, and do not explicitly or implicitly indicate that the device or element being referred to must have the particular orientation, be constructed and operated in the particular orientation, and therefore such terms are not to be understood or interpreted as limiting the scope of the present invention.

In addition, the terms "first" or "second", etc. used in this specification are used to refer to numbers or ordinal terms for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present specification, "a plurality" means at least two, for example, two, three or more, and the like, unless specifically defined otherwise.

While various embodiments of the present invention have been shown and described herein, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will occur to those skilled in the art without departing from the spirit and scope of the present invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. The following claims are intended to define the scope of the invention and, therefore, to cover module compositions, equivalents, or alternatives falling within the scope of these claims.

Claims

1. The utility model provides a variable frequency power supply's heat radiation structure, its characterized in that, includes the cabinet body, STS module and cabinet door, the cabinet door with the cabinet body can open and shut and be connected, the STS module set up in the cabinet is internal and be close to the cabinet door, the STS module with the cabinet body is kept away from one side interval formation wind-guiding passageway of cabinet door, cabinet body top surface corresponds the position of wind-guiding passageway is equipped with radiator fan, the last heat dissipation channel of having seted up of STS module, heat dissipation channel with wind-guiding passageway intercommunication.

2. The heat dissipation structure of a variable frequency power supply according to claim 1, wherein the cabinet door is provided with heat dissipation holes communicated with the interior of the cabinet body.

3. The heat dissipation structure of claim 2, wherein the number of heat dissipation holes is multiple, and the plurality of heat dissipation holes surround to form a rectangle corresponding to the position of the STS module.

4. The heat dissipation structure of claim 1, wherein the STS module comprises a front cover plate adjacent to one side of the cabinet door and a rear cover plate adjacent to one side of the air guiding channel, the front cover plate has a front hole, the rear cover plate has a rear hole, and the front hole and the rear hole are disposed opposite to each other and are communicated with an inner space of the STS module to form the heat dissipation channel.

5. The heat dissipation structure of the variable frequency power supply according to claim 4, wherein the front holes are plural, and the plural front holes are arranged in a strip shape and in an array;

and/or the rear holes are multiple and are arranged in a concentric circular ring shape.

6. The heat dissipation structure of claim 5, wherein a plurality of heat dissipation fins are disposed in the internal space of the STS module, and the plurality of heat dissipation fins are spaced apart from each other.

7. The heat dissipation structure of a variable frequency power supply according to any one of claims 1 to 6, wherein a side portion of the STS module and a side portion of the cabinet are spaced apart from each other to form a side air duct communicating with the air guide channel.

8. The heat dissipation structure for a variable-frequency power supply according to any one of claims 1 to 6, wherein the number of the heat dissipation fans is plural, and the plural heat dissipation fans are disposed at intervals along a length direction of the air guiding passage.

9. The heat dissipation structure of a variable frequency power supply according to any one of claims 1 to 6, wherein the STS module is provided in plurality, and the plurality of STS modules are arranged at intervals in a row along a height direction of the cabinet.

10. A variable frequency power supply, characterized by comprising the heat dissipation structure of a variable frequency power supply according to any one of claims 1 to 9.