CN212305196U

CN212305196U - Special variable frequency power supply for improving utilization rate of variable frequency power supply

Info

Publication number: CN212305196U
Application number: CN202020926812.XU
Authority: CN
Inventors: 杨洪军; 范玉龙; 赵硕
Original assignee: Shandong Bona Electric Co ltd
Current assignee: Shandong Bona Electric Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-05
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses an improve variable frequency power source utilization ratio's special variable frequency power source, including the variable frequency power source main part, surface position fixedly connected with heat dissipation case in the variable frequency power source main part, the arbitrary one side position of heat dissipation case has been seted up and has been filtered the air vent, the heat dissipation case is kept away from and is filtered air vent one side and seted up the louvre, the heat dissipation incasement wall is located the position fixedly connected with exhaust fan of louvre, the position runs through fixedly connected with radiating block between variable frequency power source main part and the heat dissipation case, the present position is cockscomb structure setting on the radiating block, the radiating block top position that is located in the heat dissipation case. The utility model discloses make variable frequency power supply main part remain encapsulated situation throughout, the dust appears in avoiding variable frequency power supply main part, causes electronic components to damage, and makes variable frequency power supply main part good heat dissipation.

Description

Special variable frequency power supply for improving utilization rate of variable frequency power supply

Technical Field

The utility model relates to a variable frequency power supply technical field especially relates to a special variable frequency power supply who improves variable frequency power supply utilization ratio.

Background

The variable frequency power supply outputs pure sine waves by AC → DC → AC conversion of alternating current in commercial power, and the output frequency and voltage are adjustable within a certain range. It is different from frequency-changing speed-regulating controller for motor speed regulation and common AC voltage-stabilizing power supply. The ideal AC power supply features stable frequency, stable voltage, zero internal resistance and pure sine wave voltage waveform (no distortion). The variable frequency power supply is very close to an ideal alternating current power supply, so that advanced and developed countries increasingly use the variable frequency power supply as a standard power supply so as to provide the most excellent power supply environment for electrical appliances and objectively examine the technical performance of the electrical appliances. The variable frequency power supply mainly has two main types: a linear amplification type and an SPWM switching type. The international advanced variable frequency power supply is a high-performance precise power supply which is designed by adopting an IGBT inversion output technology and using an advanced microprocessor for control, has the functions of overcurrent, short circuit, overvoltage, undervoltage, overload and other protection and alarm fault display, and ensures the safety of electric equipment and the variable frequency power supply. The method has the characteristics of strong load adaptability, good quality of output waveforms, good human-computer interface, simple operation, small volume, light weight and the like. The variable frequency power supply with sine wave output and adjustable output voltage and frequency provides required alternating current for electric equipment.

The through type heat dissipation device is mostly adopted by the variable frequency power supply in the prior art, the sealing performance of the frequency conversion box body is poor, a large amount of dust can exist in the variable frequency power supply, the heat dissipation effect is reduced due to the fact that a large amount of dust adhered to electronic components is caused, the electronic components are damaged, short circuit damage of electronic components can be caused by the dust, and great loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the special variable frequency power supply who improves variable frequency power supply utilization ratio who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an improve variable frequency power source's special variable frequency power source of variable frequency power source utilization ratio, includes the variable frequency power source main part, surface position fixedly connected with heat dissipation case in the variable frequency power source main part, the arbitrary one side position of heat dissipation case has seted up the filtration air vent, the heat dissipation case is kept away from and is filtered air vent one side and has seted up the louvre, the heat dissipation incasement wall is located the position fixedly connected with exhaust fan of louvre, the position runs through fixedly connected with radiating block between variable frequency power source main part and the heat dissipation case, the last appearance position of radiating block is the cockscomb structure setting, the radiating block top position.

As a further description of the above technical solution:

and a filtering sponge is arranged at the position of the filtering vent hole.

As a further description of the above technical solution:

the heat dissipation ash removal device comprises a motor, the motor and the heat dissipation box are close to the inner wall on one side of the heat dissipation hole and are located at the position fixed connection above the exhaust fan, a threaded rod is fixedly connected with a motor driving end, one end of the threaded rod is far away from the inner wall on one side of the heat dissipation box and is rotatably connected with the inner wall on one side of the heat dissipation box.

As a further description of the above technical solution:

the heat dissipation box is characterized in that a limiting slide rail is fixedly connected to the middle of the inner top wall of the heat dissipation box and is parallel to the threaded rod, and two limiting slide bars which are parallel to each other are slidably connected to the limiting slide rail.

As a further description of the above technical solution:

the heat dissipation box is internally provided with a sliding block, the sliding block is in threaded connection with a threaded rod in a penetrating mode, and the upper surface of the sliding block is fixedly connected with the bottom of the two limiting sliding rods.

As a further description of the above technical solution:

the electric brush is characterized in that a connecting block is arranged under the sliding block, an electric cylinder is fixedly connected between the connecting block and the center of the sliding block, a brush is fixedly connected to the surface of the connecting block, and the brush is made of nylon materials.

As a further description of the above technical solution:

the radiating block is made of copper materials.

The utility model discloses following beneficial effect has:

the utility model discloses a set up heat dissipation case and radiating block, through starting the exhaust fan, produce heat when variable frequency power supply main part during operation, the radiating block can transmit the heat, derive the heat of variable frequency power supply main part, it flows to make the radiating incasement air of radiating through the exhaust fan, make the air current take away the temperature on the radiating block, make the radiating block continuously cool down, make the variable frequency power supply main part cool down, start electronic jar when the dust and make connecting block and brush fall, make the dust on the radiating block cleaned, make the radiating block keep clean, make the radiating block have good thermal diffusivity all the time.

The utility model discloses make variable frequency power supply main part remain encapsulated situation throughout, the dust appears in avoiding variable frequency power supply main part, causes electronic components to damage, and makes variable frequency power supply main part good heat dissipation.

Drawings

Fig. 1 is a front view of a dedicated variable frequency power supply for improving the utilization rate of the variable frequency power supply according to the present invention;

fig. 2 is a cross-sectional view of a heat dissipation box of a dedicated variable frequency power supply for improving the utilization rate of the variable frequency power supply;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is the utility model provides an improve special variable frequency power supply's of variable frequency power supply utilization ratio radiating block side view.

Illustration of the drawings:

1. a variable frequency power supply main body; 2. a heat dissipation box; 3. filtering the vent holes; 4. connecting blocks; 5. a brush; 6. a heat dissipating block; 7. a threaded rod; 8. a limiting slide rail; 9. a motor; 10. an exhaust fan; 11. heat dissipation holes; 12. a limiting slide bar; 13. an electric cylinder; 14. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a special variable frequency power supply for improving the utilization rate of a variable frequency power supply comprises a variable frequency power supply main body 1, a heat dissipation box 2 is fixedly connected to the upper surface of the variable frequency power supply main body 1, a filtering vent hole 3 is formed in any side position of the heat dissipation box 2, a heat dissipation hole 11 is formed in the side, away from the filtering vent hole 3, of the heat dissipation box 2, an exhaust fan 10 is fixedly connected to the position, located at the heat dissipation hole 11, of the inner wall of the heat dissipation box 2, hot air in the heat dissipation box 2 is exhausted through the exhaust fan 10, a heat dissipation block 6 is fixedly connected between the variable frequency power supply main body 1 and the heat dissipation box 2 in a penetrating manner, the upper surface of the heat dissipation block 6 is arranged in a zigzag manner, the contact area between the zigzag heat dissipation block 6 and air is increased, the heat dissipation efficiency is improved, a heat dissipation deashing device is arranged, the surface of the radiating block 6 has no dust and has better heat dissipation performance. The filtering sponge is arranged at the position of the filtering vent hole 3, and the filtering cotton can reduce the suction of dust.

The heat dissipation ash removal device comprises a motor 9, the motor 9 and the heat dissipation box 2 are close to the inner wall of one side of the heat dissipation hole 11 and are fixedly connected with the upper portion of the exhaust fan 10, the driving end of the motor 9 is fixedly connected with a threaded rod 7, and one end of the threaded rod 7, far away from the motor 9, is rotatably connected with the inner wall of one side, far away from the motor 9, of the heat dissipation box 2. The middle position of the top wall in the heat dissipation box 2 is fixedly connected with a limiting slide rail 8, the limiting slide rail 8 and the threaded rod 7 are arranged in parallel, and two limiting slide bars 12 which are arranged in parallel are connected in the limiting slide rail 8 in a sliding mode. A sliding block 14 is arranged in the heat dissipation box 2, the sliding block 14 is in threaded connection with the threaded rod 7 in a penetrating mode, and the upper surface of the sliding block 14 is fixedly connected with the bottom of the two limiting sliding rods 12. The connecting block 4 is arranged under the sliding block 14, the electric cylinder 13 is fixedly connected between the connecting block 4 and the center of the sliding block 14, the brush 5 is fixedly connected to the lower surface of the connecting block 4, the brush 5 is made of nylon materials, and dust of the heat dissipation block 6 can be swept away through the brush 5. The radiating block 6 is made of copper material, and the copper material has good radiating performance.

The working principle is as follows: through starting exhaust fan 10, produce heat when variable frequency power supply main part 1 during operation, radiating block 6 can transmit the heat, derive the heat of variable frequency power supply main part 1, make the interior air flow of radiator box 2 through exhaust fan 10, make the air current take away the temperature on radiating block 6, make radiating block 6 continuously cool down, make variable frequency power supply main part 1 cool down, start electronic jar 13 when the dust and make connecting block 4 and brush 5 drop, make the dust on the radiating block 6 cleaned, make radiating block 6 keep clean, make radiating block 6 have good thermal diffusivity all the time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an improve special variable frequency power supply of variable frequency power supply utilization ratio, includes variable frequency power supply main part (1), its characterized in that: the variable frequency power supply comprises a variable frequency power supply body (1), wherein a heat dissipation box (2) is fixedly connected with the upper surface position, a filtering air vent (3) is arranged at any position of one side of the heat dissipation box (2), the heat dissipation box (2) is far away from the filtering air vent (3) and is provided with a heat dissipation hole (11), an exhaust fan (10) is fixedly connected with the inner wall of the heat dissipation box (2) and is located at the heat dissipation hole (11), a heat dissipation block (6) is fixedly connected with the position between the variable frequency power supply body (1) and the heat dissipation box (2), the heat dissipation block (6) is provided with a sawtooth-shaped structure, and a heat dissipation ash removal device is arranged above the heat dissipation block (6).

2. The special variable frequency power supply for improving the utilization rate of the variable frequency power supply according to claim 1, wherein: and a filtering sponge is arranged at the position of the filtering vent hole (3).

3. The special variable frequency power supply for improving the utilization rate of the variable frequency power supply according to claim 1, wherein: the heat dissipation ash removal device comprises a motor (9), the motor (9) and the heat dissipation box (2) are close to the inner wall on one side of the heat dissipation hole (11) and are located at the position fixed connection above the exhaust fan (10), the motor (9) is fixedly connected with a threaded rod (7), the threaded rod (7) is far away from one end of the motor (9) and the heat dissipation box (2) and is rotationally connected with the inner wall on one side of the motor (9).

4. The special variable frequency power supply for improving the utilization rate of the variable frequency power supply according to claim 1, wherein: roof middle part position fixedly connected with spacing slide rail (8) in heat dissipation case (2), spacing slide rail (8) are parallel arrangement with threaded rod (7), sliding connection has two parallel arrangement's spacing slide bar (12) in spacing slide rail (8).

5. The special variable frequency power supply for improving the utilization rate of the variable frequency power supply according to claim 3, wherein: a sliding block (14) is arranged in the heat dissipation box (2), the sliding block (14) is in threaded connection with the threaded rod (7) in a penetrating mode, and the upper surface of the sliding block (14) is fixedly connected with the bottom of the two limiting sliding rods (12).

6. The special variable frequency power supply for improving the utilization rate of the variable frequency power supply according to claim 5, wherein: be provided with connecting block (4) under slider (14), electric jar (13) of fixedly connected with between connecting block (4) and slider (14) central point put, surface position fixedly connected with brush (5) under connecting block (4), brush (5) are the nylon materials.

7. The special variable frequency power supply for improving the utilization rate of the variable frequency power supply according to claim 1, wherein: the heat dissipation block (6) is made of copper materials.