CN213126938U

CN213126938U - A frequency converter with heat dissipation structure

Info

Publication number: CN213126938U
Application number: CN202022293565.7U
Authority: CN
Inventors: 沙林飞
Original assignee: Shanghai Longqin Electromechanical Equipment Co ltd
Current assignee: Shanghai Longqin Electromechanical Equipment Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-04
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a frequency converter with a heat dissipation structure, comprising a frequency converter casing, a battery box is installed at the center of the inner bottom end of the frequency converter casing, a battery is installed at the inner bottom end of the battery box, and the battery A motor casing is installed at the top center of the box, a motor is installed at the inner bottom end of the motor casing, a fan blade is arranged on the output shaft of the motor, and the bottom ends of the outer walls on both sides of the inverter casing are provided with A heat dissipation hole, the heat dissipation hole penetrates the outer wall of the inverter casing, the inner walls on both sides of the inverter casing are provided with a fixed plate and a filter plate, and the fixed plate is located above the filter plate. The utility model solves the problem that the existing frequency converter cannot properly dissipate heat and ventilate the inside of the frequency converter when it is in use, improves the performance of heat dissipation and ventilation, and can also accelerate the heat dissipation speed according to the internal temperature and prevent the external The entry of dust increases the service life and has strong practicability.

Description

Frequency converter with heat radiation structure

Technical Field

The utility model relates to a converter technical field specifically is a converter with heat radiation structure.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of a motor, and further achieves the purposes of energy conservation and speed regulation, but the existing frequency converter has many problems or defects:

1. when the existing frequency converter is used, the inside of the frequency converter cannot be well radiated and ventilated, and the radiating effect is poor, so that internal elements are damaged;

2. the existing frequency converter can only carry out fixed heat dissipation frequency, cannot handle emergency, cannot respond to the rapid rise of the internal temperature of the frequency converter to accelerate the heat dissipation speed and cool down in time, so that the internal PCB is broken or damaged due to overhigh temperature, and is not beneficial to use;

3. the existing frequency converter cannot process dust or impurities entering the inside when heat dissipation and ventilation are carried out, so that the use of the frequency converter is influenced by excessive dust in the frequency converter, and the service life is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a converter with heat radiation structure to the analysis that proposes among the solution above-mentioned background art is inaccurate, the damage of electrode and the safety problem of funnel to the user.

In order to achieve the above object, the utility model provides a following technical scheme: a frequency converter with a heat dissipation structure comprises a frequency converter shell, wherein a battery box is installed at the center of the inner bottom of the frequency converter shell, a storage battery is installed at the inner bottom of the battery box, a motor shell is installed at the center of the top of the battery box, a motor is installed at the inner bottom of the motor shell, fan blades are arranged on an output shaft of the motor, heat dissipation holes are formed in the bottoms of the outer walls of the two sides of the frequency converter shell and penetrate through the outer wall of the frequency converter shell, a fixing plate and a filter plate are installed on the inner walls of the two sides of the frequency converter shell, the fixing plate is located above the filter plate, the filter plate and the heat dissipation holes are tightly attached to each other, a heat dissipation plate is installed at the center of the end face of the other side of the fixing plate, heat dissipation fins are sequentially, the PCB board is installed to the upper surface central point of heating panel, the front end terminal surface central point of converter shell puts and is provided with control panel.

Preferably, the heat dissipation plate is located between two adjacent fixing plates, and through holes are formed in the edges of two sides of the upper surface of the heat dissipation plate.

Preferably, the upper surface of the PCB is provided with a temperature sensor, a data acquisition module, a data processing module, a data encoding module, a data decoding module and a controller, and the temperature sensor, the data acquisition module, the data processing module, the data encoding module, the data decoding module and the controller are sequentially arranged from left to right.

Preferably, the output end of the temperature sensor is electrically connected with the input end of the data acquisition module, and the output end of the data acquisition module is electrically connected with the input end of the data processing module.

Preferably, the output end of the data processing module is electrically connected with the input end of the data coding module, the output end of the data coding module is electrically connected with the input end of the data decoding module, the output end of the data decoding module is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the motor.

Preferably, a control screen and a control button are arranged on the front end face of the control panel, and the control screen is located above the control button.

Compared with the prior art, the utility model discloses an innovation point effect of design is:

(1) through the motor, the heat dissipation holes, the heat dissipation plate, the through holes and the fan blades are arranged in a matched mode, when the frequency converter is used, a power supply is started, the frequency converter starts to work, so that the temperature inside the frequency converter can be raised, the heat dissipation plate on the PCB absorbs and transfers heat to the heat dissipation plate, so that the heat dissipation plate transfers the heat to the air inside the frequency converter, the motor is started, an output shaft of the motor rotates, so that the fan blades rotate, so that the air inside the frequency converter and the air outside the frequency converter can be circulated through the through holes and the heat dissipation holes, the effect of heat dissipation inside the;

(2) through the matching arrangement of a series of structures, the temperature sensor can detect the temperature condition in the frequency converter in real time, the temperature sensor sends temperature data to the data acquisition module, the data acquisition module sends the temperature information to the data processing module, the data processing module sequentially passes through the data coding module, the data decoding module and the controller with the processed temperature information, when the temperature sensor detects that the temperature in the frequency converter is overhigh, the motor is controlled through the controller, so that the power of the motor is increased to operate, the fan blades rotate at high frequency to rapidly circulate the internal air and the external air, the utilization rate of air volume is improved, the heat dissipation speed in the frequency converter is accelerated, the temperature is timely reduced, and the PCB is prevented from being broken or damaged due to overhigh temperature;

(3) through the cooperation setting of motor, flabellum, louvre and filter, when the converter uses and begins the heat dissipation, thereby the output shaft rotation of motor makes the flabellum rotate to make inside air flow, external air flows in, can filter away the dust or the impurity in the outside air through the filter, it is impaired to have avoided the dust to get into the inside component that leads to of converter, improves the life of converter, and the practicality is strong.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a schematic flow chart of the present invention.

In the figure: 1. a frequency converter housing; 2. heat dissipation holes; 3. a filter plate; 4. a fan blade; 5. a motor housing; 6. a motor; 7. a battery box; 8. a storage battery; 9. a heat sink; 10. a fixing plate; 11. a through hole; 12. a heat dissipation plate; 13. a PCB board; 14. a temperature sensor; 15. a data acquisition module; 16. a data processing module; 17. a data encoding module; 18. a data decoding module; 19. a controller; 20. a control panel; 21. a control screen; 22. and a control button.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 frequency converter with A heat dissipation structure comprises A frequency converter shell 1, A battery box 7 is installed at the center position of the inner bottom end of the frequency converter shell 1, A storage battery 8 is installed at the inner bottom end of the battery box 7, A motor shell 5 is installed at the center position of the top of the battery box 7, A motor 6 is installed at the inner bottom end of the motor shell 5, the motor 6 can adopt HJDJR50S88-BR-A, A fan blade 4 is arranged on an output shaft of the motor 6, heat dissipation holes 2 are formed in the bottom ends of the outer walls of the two sides of the frequency converter shell 1, the heat dissipation holes 2 penetrate through the outer wall of the frequency converter shell 1, A fixing plate 10 and A filter plate 3 are installed on the inner walls of the two sides of the frequency converter shell 1, the fixing plate 10 is located above the filter plate 3, the filter plate 3 is tightly attached to the heat dissipation holes 2, when the frequency converter begins to, external air flows in, and dust or impurities in the external air can be filtered out through the filter plate 3, so that the situation that elements are damaged due to the fact that the dust enters the inside of the frequency converter is avoided, and the service life of the frequency converter is prolonged;

the central position of the end surface of the other side of the fixed plate 10 is provided with a heat dissipation plate 12, the heat dissipation plate 12 is positioned between two adjacent fixed plates 10, the edges of two sides of the upper surface of the heat dissipation plate 12 are respectively provided with a through hole 11, the lower surface of the heat dissipation plate 12 is sequentially provided with heat dissipation fins 9 at uniform intervals from left to right, the heat dissipation fins 9 are positioned right above the fan blades 4, the central position of the upper surface of the heat dissipation plate 12 is provided with a PCB 13, when the frequency converter is used, a power supply is started, the frequency converter starts to work so as to enable the temperature of the inside to rise, the heat dissipation plates 12 on the PCB 13 absorb and transmit the heat to the heat dissipation fins 9, thereby enabling the heat dissipation fins 9 to transmit the heat to the air inside, the motor 6 is started, the output shaft of the motor 6 rotates so, therefore, the effect of radiating the inside of the frequency converter can be achieved, and the radiating and air exchange performances are improved;

the upper surface of the PCB 13 is provided with a temperature sensor 14, a data acquisition module 15, a data processing module 16, a data coding module 17, a data decoding module 18 and a controller 19, the temperature sensor 14, the data acquisition module 15, the data processing module 16, the data coding module 17, the data decoding module 18 and the controller 19 are sequentially arranged from left to right, the temperature sensor 14 can adopt TS200, the output end of the temperature sensor 14 is electrically connected with the input end of the data acquisition module 15, the output end of the data acquisition module 15 is electrically connected with the input end of the data processing module 16, the output end of the data processing module 16 is electrically connected with the input end of the data coding module 17, the output end of the data coding module 17 is electrically connected with the input end of the data decoding module 18, the output end of the data decoding module 18 is electrically connected with the input end of the controller 19, and the output end of the controller 19 is electrically connected with the input end, a control panel 20 is arranged at the center of the front end face of the frequency converter shell 1, a control screen 21 and a control button 22 are arranged on the front end face of the control panel 20, the control screen 21 is positioned above the control button 22, the temperature sensor 14 can detect the temperature condition in the frequency converter in real time, the temperature sensor 14 sends temperature data to the data acquisition module 15, the data acquisition module 15 sends the temperature information to the data processing module 16, the data processing module 16 sends the processed temperature information to the data encoding module 17, the data decoding module 18 and the controller 19 in sequence, when the temperature sensor 14 detects that the temperature in the frequency converter is overhigh, the controller 19 controls the motor 6, so that the motor 6 is powered up to operate, the fan blades 4 rotate at high frequency to rapidly circulate the internal air with the external air, and the utilization rate of air volume is improved, the heat dissipation speed in the frequency converter is increased, the temperature is timely reduced, and the PCB 13 is prevented from being broken down or damaged due to overhigh temperature.

The working principle is as follows: when the temperature-sensing type frequency converter is used, the power supply is started, when the frequency converter is used, the frequency converter starts to work, so that the temperature inside the frequency converter can rise, the heat dissipation plate 12 on the PCB 13 absorbs and transfers heat to the heat dissipation plate 9, so that the heat dissipation plate 9 transfers the heat to the air inside the frequency converter, the motor 6 is started, the output shaft of the motor 6 rotates, so that the fan blades 4 rotate, so that the air inside the frequency converter and the air outside the frequency converter are circulated through the through holes 11 and the heat dissipation holes 2, the effect of dissipating the heat inside of the frequency converter is achieved, the heat dissipation and ventilation performance is improved, the temperature sensor 14 can detect the temperature condition inside the frequency converter in real time, the temperature sensor 14 sends temperature data to the data acquisition module 15, the data acquisition module 15 sends the temperature information to the data processing module 16, the data processing module 16 sequentially passes through the data coding module, Data decoding module 18 and controller 19, when temperature sensor 14 detects out the inside high temperature of converter, motor 6 is controlled through controller 19, thereby make motor 6 increase power operation, flabellum 4 carries out the rotation of high-frequency and circulates inside air fast with the outside air, thereby the utilization ratio of the amount of wind has been improved, accelerate the inside radiating rate of converter, in time cool down, prevent that PCB board 13 from breaking down or damaging because of the high temperature, when the converter uses and begins the heat dissipation, thereby the output shaft rotation of motor 6 makes flabellum 4 rotate, thereby make inside air outflow, outside air inflow, can filter away the dust or the impurity in the outside air through filter 3, avoided the dust to get into the inside component damage that leads to of converter, improve the life of converter, therefore, the clothes hanger is strong in practicability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A frequency converter with a heat dissipation structure, comprising a frequency converter casing (1), characterized in that: a battery box (7) is installed at the center position of the inner bottom end of the frequency converter casing (1), and the battery box ( 7) A battery (8) is installed at the inner bottom end of the battery box (7), a motor casing (5) is installed at the top center of the battery box (7), and a motor (6) is installed at the inner bottom end of the motor casing (5). ), fan blades (4) are arranged on the output shaft of the motor (6), and cooling holes (2) are provided at the bottom ends of the outer walls on both sides of the inverter housing (1), and the cooling holes (2) Passing through the outer wall of the inverter casing (1), a fixing plate (10) and a filter plate (3) are installed on both inner walls of the inverter casing (1), and the fixing plate (10) is located on the filter plate (3) Above the filter plate (3) and the heat dissipation hole (2), the heat dissipation plate (12) is installed at the center of the end face of the other side of the fixing plate (10). 12) The lower surface of the cooling plate (12) is provided with cooling fins (9) at regular intervals from left to right, the cooling fins (9) are located directly above the fan blades (4), and the upper surface of the cooling plate (12) is installed at the center position There is a PCB board (13), and a control panel (20) is arranged at the center of the front end face of the inverter casing (1).

2. A frequency converter with a heat dissipation structure according to claim 1, characterized in that: the heat dissipation plate (12) is located between two adjacent fixed plates (10), and the upper surface of the heat dissipation plate (12) Through holes (11) are provided at the edges of both sides.

3. A frequency converter with a heat dissipation structure according to claim 1, characterized in that: the upper surface of the PCB board (13) is provided with a temperature sensor (14), a data acquisition module (15), a data processing module (16), a data encoding module (17), a data decoding module (18) and a controller (19), and a temperature sensor (14), a data acquisition module (15), a data processing module (16), and a data encoding module (17) ), the data decoding module (18) and the controller (19) are arranged in order from left to right.

4. A frequency converter with a heat dissipation structure according to claim 3, characterized in that: the output end of the temperature sensor (14) is electrically connected to the input end of the data acquisition module (15), and the data acquisition module ( The output end of 15) is electrically connected to the input end of the data processing module (16).

5. A frequency converter with a heat dissipation structure according to claim 4, characterized in that: the output end of the data processing module (16) is electrically connected with the input end of the data encoding module (17), and the data encoding module The output terminal of (17) is electrically connected to the input terminal of the data decoding module (18), the output terminal of the data decoding module (18) is electrically connected to the input terminal of the controller (19), and the output terminal of the controller (19) is electrically connected. It is electrically connected to the input end of the motor (6).

6. A frequency converter with a heat dissipation structure according to claim 1, characterized in that: a control screen (21) and a control button (22) are provided on the front end face of the control panel (20), and the control screen is provided with a control screen (21) and a control button (22). (21) is located above the control button (22).