CN218772830U

CN218772830U - Power electronic component convenient to heat dissipation

Info

Publication number: CN218772830U
Application number: CN202222808548.1U
Authority: CN
Inventors: 夏清波
Original assignee: Xiangyang Zhongli Electronics Co ltd
Current assignee: Xiangyang Zhongli Electronics Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-28
Anticipated expiration: 2032-10-25

Abstract

The application relates to a power electronic component convenient for heat dissipation, which comprises a shell, wherein two groups of dust screens are oppositely arranged on the shell; the supporting plate is arranged inside the shell, and a plurality of vent holes are formed in the supporting plate; the mounting plate is arranged on the supporting plate, and a plurality of power electronic components and metal heat conducting mechanisms are arranged on the mounting plate and are arranged on the shell and used for conducting heat emitted by the mounting plate; the air cooling mechanism comprises a linear driver and a plurality of vortex fans, the vortex fans are positioned at the bottom of the supporting plate, and the linear driver is connected with the vortex fans; this application accessible heat conduction pole, heat dissipation shell, linear actuator and vortex fan can carry out dual heat dissipation to power electronic component, improve the radiating effect, avoid the inside heat accumulation of casing, are favorable to people's operation to use.

Description

Power electronic component convenient to heat dissipation

Technical Field

The application relates to the technical field of power electronic component installation, in particular to a power electronic component convenient to heat dissipation.

Background

Power electronic devices are also known as power semiconductor devices; the power device is an electronic device which can be directly used in a main circuit for processing electric energy and realizes the conversion and control of the electric energy, and the power device is almost used in all electronic manufacturing industries, including notebooks, PCs, servers, displays and various peripherals in the field of computers; mobile phones, telephones and other various terminals and local side devices in the field of network communication; traditional black and white appliances and various digital products in the consumer electronics field; industrial PCs, instruments and control devices in industrial control systems.

When the power electronic device works, the device is heated and warmed up due to power loss, the service life of the device is shortened due to overhigh temperature, and the device is even burnt out, which is the main reason for limiting the current and voltage capacity of the power electronic device.

To the above problems, a power electronic component convenient for heat dissipation is designed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a power electronic components convenient to heat dissipation to solve among the correlation technique at present common power electronic components's radiating effect relatively poor, produce the inconvenient discharge of heat at the during operation, lead to the heat to gather, be unfavorable for people's use problem.

In a first aspect, a power electronic component convenient for heat dissipation is provided, including:

the dustproof device comprises a shell, wherein two groups of dustproof nets are oppositely arranged on the shell;

the supporting plate is arranged inside the shell and is provided with a plurality of air vents;

the mounting plate is arranged on the supporting plate, and a plurality of power electronic components are arranged on the mounting plate;

the metal heat conduction mechanism is arranged on the shell and used for conducting heat emitted by the mounting plate;

the air cooling mechanism comprises a linear driver and a plurality of vortex fans, the vortex fans are positioned at the bottom of the supporting plate, and the linear driver is connected with the vortex fans and used for driving the vortex fans to move along the length direction of the mounting plate;

the bottom of the shell is provided with a plurality of air inlet holes.

In some embodiments, the housing includes a bottom shell and a top cover disposed on the bottom shell.

In some embodiments, the metal heat conducting mechanism includes a plurality of heat conducting rods and a heat dissipating housing, the heat dissipating housing is disposed above the casing, the plurality of heat conducting rods are disposed on the mounting plate in a rectangular shape, and an end of the heat conducting rod away from the mounting plate penetrates through the casing and is connected to the heat dissipating housing.

In some embodiments, the linear actuator includes a driving motor, a threaded rod, and a movable block and a movable plate connected to each other, the driving motor is disposed inside the casing, the threaded rod is connected to an output shaft of the driving motor, the movable block is connected to the threaded rod in a threaded manner, the movable plate is located above the threaded rod, and two ends of the movable plate are in contact with an inner side wall of the casing.

In some embodiments, the moving plate is provided with two sliding rods, and the shell is provided with two sliding grooves matched with the sliding rods.

In some embodiments, a filter screen is disposed inside the housing, and the filter screen is located at the bottom of the linear actuator.

In some embodiments, the supporting plate is an aluminum plate, and two sets of threaded holes are formed in the supporting plate.

The embodiment of the application provides a power electronic components convenient to heat dissipation, the heat that power electronic components operation produced on to the mounting panel through metal heat conduction mechanism conducts, and simultaneously, eddy current fan and linear actuator carry out the forced air cooling heat dissipation to the mounting panel and power electronic components above that, thereby carry out dual heat dissipation to power electronic components through heat-conduction and circulation forced air cooling, the heat dissipation effect is improved, and utilize diversified radiating mode, avoid the inside heat accumulation of casing, reduce power electronic components's intensification and generate heat, be favorable to people's operation and use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic three-dimensional structure provided in an embodiment of the present application;

FIG. 2 is a front cross-sectional view provided by an embodiment of the present application;

FIG. 3 is a three-dimensional schematic view of a support plate provided in an embodiment of the present application;

fig. 4 is a top view of a linear actuator according to an embodiment of the present application.

In the figure: 1. a housing; 11. a bottom case; 12. a top cover; 2. a support plate; 3. mounting a plate; 20. a metal heat conducting mechanism; 21. a heat conducting rod; 22. a heat dissipation housing; 30. an air cooling mechanism; 31. a linear actuator; 311. a drive motor; 312. a threaded rod; 313. a movable block; 314. moving the plate; 32. a vortex fan; 4. a dust screen; 5. and (5) filtering by using a filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a power electronic components convenient to heat dissipation, and it is relatively poor that it can solve the radiating effect of present common power electronic components among the correlation technique, produces the inconvenient discharge of heat at the during operation, leads to the heat to gather, is unfavorable for people's the problem of use.

Referring to fig. 1 to 3, a power electronic component facilitating heat dissipation includes; the device comprises a shell 1, a supporting plate 2, a mounting plate 3, a metal heat conduction mechanism 20 and an air cooling mechanism 30, wherein two groups of dust screens 4 are oppositely arranged on the shell 1; the supporting plate 2 is arranged inside the shell 1, and a plurality of vent holes are formed in the supporting plate 2; the mounting plate 3 is arranged on the support plate 2, and a plurality of power electronic components are arranged on the mounting plate 3, wherein the mounting plate 3 is a PCB (printed Circuit Board); the metal heat conducting mechanism 20 is arranged on the shell 1 and is used for conducting heat emitted by the mounting plate 3; the air cooling mechanism 30 comprises a linear driver 31 and a plurality of vortex fans 32, wherein the vortex fans 32 are positioned at the bottom of the support plate 2, and the linear driver 31 is connected with the plurality of vortex fans 32 and is used for driving the vortex fans 32 to move along the length direction of the mounting plate 3; a plurality of air inlet holes are formed in the bottom of the shell 1.

In the use, the heat that produces power electronic components on mounting panel 3 through metal heat conduction mechanism 20 conducts, avoid piling up inside casing 1, and simultaneously, outside gas passes through inside the fresh air inlet gets into the casing, start vortex fan 32, it carries out the forced air cooling to power electronic components through the vent hole to drive gas, discharge through dust screen 4 afterwards, reach dual radiating effect, linear actuator 31 drives vortex fan 32 and removes simultaneously, thereby carry out the forced air cooling to the power electronic components of different positions, let the cooling effect evenly stable.

Preferably, the backup pad 2 in this embodiment is aluminum plate, and when using, the heat conduction on the mounting panel 3 is to aluminum plate, because aluminum plate's area is bigger, improves the radiating area of forced air cooling to the heat on the mounting panel 3 shifts the dispersion, avoids the heat to pile up.

As shown in fig. 1 and 2, the housing 1 of the present embodiment includes a bottom shell 11 and a top cover 12, and the top cover 12 is disposed on the bottom shell 11 by bolts, so that the device can be easily disassembled during use.

Further, as shown in fig. 1 and fig. 2, the metal heat conducting mechanism 20 includes a plurality of heat conducting rods 21 and a heat dissipating casing 22, the heat dissipating casing 22 is disposed above the housing 1, the plurality of heat conducting rods 21 are disposed on the mounting plate 3 in a rectangular shape, and one end of each heat conducting rod 21, which is far away from the mounting plate 3, penetrates through the housing 1 and is connected to the heat dissipating casing 22.

In the use process, the heat generated by the power electronic components is conducted to the heat dissipation shell 22 through the plurality of heat conduction rods 21, so that the heat accumulation of the power electronic components is avoided.

Further, as shown in fig. 2 and 4, the linear actuator 31 includes a driving motor 311, a threaded rod 312, and an interconnecting movable block 313 and a moving plate 314, the driving motor 311 is disposed inside the casing 1, the threaded rod 312 is connected to an output shaft of the driving motor 311, one end of the threaded rod 312, which is far away from the driving motor 311, is rotatably connected to an inner side wall of the casing 1, an internal thread matched with the threaded rod 312 is disposed inside the movable block 313, the movable block 313 is in threaded connection with the threaded rod 312, the moving plate 314 is disposed above the threaded rod 312, and two ends of the moving plate 314 are in contact with an inner side wall of the casing 1.

When the air cooling device is used, the driving motor 311 is started, the driving motor 311 drives the threaded rod 312 to rotate, the movable block 313 is driven to move along the length direction of the mounting plate 3 under the action of the threaded rotation thrust of the threaded rod 312 and the limiting effect of the movable plate 314, the movable plate 314 and the eddy fan 32 are driven to move along the length direction of the mounting plate 3, and therefore air cooling operation is conducted on power electronic components at different positions.

Preferably, as shown in fig. 4, the moving plate 314 of this embodiment is provided with two sliding rods, and the housing 1 is provided with two sliding grooves corresponding to the sliding rods.

In the using process, the moving plate 314 can move more stably by the sliding of the sliding rod in the sliding groove.

As shown in fig. 2, the inside filter screen 5 that is provided with of casing 1, and filter screen 5 is located the linear actuator 31 bottom, in the use, avoids the dust to enter into inside the casing 1 through the fresh air inlet, can carry out the filter action to the gas that gets into through filter screen 5, reaches dirt-proof effect.

As shown in fig. 2, two sets of threaded holes are formed in the support plate 2 in this embodiment, the mounting plate 3 is fixed to the support plate 2 by bolts, and the mounting plate 3 is fixed by the bolts, so that the mounting and dismounting work can be conveniently performed.

It should be noted that, in this embodiment, the four feet at the bottom of the casing 1 are provided with the bases, and the casing 1 can be lifted by the supporting function of the bases, which is beneficial for outside air to enter the casing 1 through the air inlet holes.

The working principle of the application is as follows:

on heat conduction to heat dissipation shell 22 that produces power electronic components through heat conduction pole 21, dispel the heat through heat dissipation shell 22, restart vortex fan 32, outside gas passes through inside the fresh air inlet gets into the casing, can carry out the filter action to the gas that gets into through filter screen 5, pass the vent hole afterwards and carry out the forced air cooling to power electronic components, discharge from dust screen 4 afterwards, and simultaneously, start driving motor 311, driving motor 311 drives threaded rod 312 and rotates, under the rotatory thrust of the screw thread of threaded rod 312 and the limiting displacement of movable plate 314, drive movable block 313 and movable plate 314 along 3 length directions movements of mounting panel, it carries out the forced air cooling work to the power electronic components of different positions to drive vortex fan 32.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a power electronic components convenient to heat dissipation which characterized in that includes:

the dustproof device comprises a shell (1), wherein two groups of dustproof nets (4) are oppositely arranged on the shell (1);

the supporting plate (2) is arranged inside the shell (1), and a plurality of vent holes are formed in the supporting plate (2);

the mounting plate (3) is arranged on the supporting plate (2), and a plurality of power electronic components are arranged on the mounting plate (3);

the metal heat conduction mechanism (20), the said metal heat conduction mechanism (20) is set in body (1), and is used for carrying on the conduction to the heat that the mounting plate (3) radiates;

the air cooling mechanism (30) comprises a linear driver (31) and a plurality of vortex fans (32), the vortex fans (32) are positioned at the bottom of the supporting plate (2), and the linear driver (31) is connected with the vortex fans (32) and used for driving the vortex fans (32) to move along the length direction of the mounting plate (3);

the bottom of the shell (1) is provided with a plurality of air inlet holes.

2. A power electronic component facilitating heat dissipation as defined in claim 1, wherein:

the shell (1) comprises a bottom shell (11) and a top cover (12), wherein the top cover (12) is arranged on the bottom shell (11).

3. A power electronic component facilitating heat dissipation as defined in claim 1, wherein:

the metal heat conduction mechanism (20) comprises a plurality of heat conduction rods (21) and a heat dissipation shell (22), the heat dissipation shell (22) is arranged above the shell (1), the heat conduction rods (21) are arranged on the mounting plate (3) in a rectangular mode, and one end, far away from the mounting plate (3), of each heat conduction rod (21) penetrates through the shell (1) and is connected with the heat dissipation shell (22).

4. A power electronic component facilitating heat dissipation as defined in claim 1, wherein:

linear actuator (31) include driving motor (311), threaded rod (312) and interconnect movable block (313) and movable plate (314), driving motor (311) set up inside casing (1), threaded rod (312) and driving motor (311) output shaft, movable block (313) and threaded rod (312) threaded connection, movable plate (314) are located threaded rod (312) top, just movable plate (314) both ends and casing (1) inside wall contact.

5. A power electronic component facilitating heat dissipation as defined in claim 4, wherein:

two sliding rods are oppositely arranged on the moving plate (314), and two sliding grooves matched with the sliding rods are oppositely arranged on the shell (1).

6. A power electronic component facilitating heat dissipation as defined in claim 1, wherein:

the filter screen (5) is arranged inside the shell (1), and the filter screen (5) is located at the bottom of the linear driver (31).

7. A power electronic component facilitating heat dissipation as defined in claim 1, wherein:

the supporting plate (2) is an aluminum plate, and two groups of threaded holes are formed in the supporting plate (2).