CN220693572U

CN220693572U - Permanent magnet synchronous motor controller

Info

Publication number: CN220693572U
Application number: CN202322011859.XU
Authority: CN
Inventors: 余雨婷; 褚衍廷; 王传鲁
Original assignee: HUNAN RAILWAY PROFESSIONAL TECHNOLOGY COLLEGE
Current assignee: HUNAN RAILWAY PROFESSIONAL TECHNOLOGY COLLEGE
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-03-29
Anticipated expiration: 2033-07-28

Abstract

The utility model relates to the technical field of motor controllers and discloses a permanent magnet synchronous motor controller which comprises a controller main body, wherein a front display screen of the controller main body, an operation panel of the controller main body, and a heat dissipation assembly is movably connected to the outer surface of the controller main body. This PMSM controller through setting up miniature air compressor machine and blast pipe, lasts the inside gas that carries out of controller main part, utilizes the air current to drive the inside steam of controller main part for the heat dissipation efficiency of controller, simultaneously, utilize water tank and semiconductor refrigeration piece cooperation, cool down the inside aqueous humor of water tank for absorb the heat that enters into the inside air current of controller main part, thereby reduce the air current temperature that will input, let the air conditioning enter into the inside heat absorption of controller main part, and then accelerate the heat loss efficiency of controller, improve the radiating efficiency of PMSM controller, the use of facilitate the user.

Description

Permanent magnet synchronous motor controller

Technical Field

The utility model relates to the technical field of motor controllers, in particular to a permanent magnet synchronous motor controller.

Background

The permanent magnet synchronous motor controller realizes the following functions by effectively controlling the driving motor: (1) generating electricity and running; (2) electrically operating; the control core adopts high performance DSP treater, and power component adopts import car level MOS pipe, advanced efficient vector control algorithm and intelligent control technique, advanced field weakening control algorithm promotes the high-speed performance of motor, and traditional PMSM controller is through installing an aluminum plate in the bottom of controller, installs a plurality of heating panels in the bottom of aluminum plate, and then dispels the heat to the controller.

For example, in a permanent magnet synchronous motor controller of chinese patent No. CN219181852U, the load-bearing bottom plate is separated from the controller body to avoid influencing the heat dissipation of the heat sink, but this mode cannot improve the heat dissipation efficiency of the controller body, and after the outer surface of the heat sink covers dust due to suspension arrangement, the load-bearing bottom plate needs to be often detached from the controller body to be cleaned, so that the labor amount of the worker is increased and the use of the user is not facilitated, so a permanent magnet synchronous motor controller is proposed to solve the above problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the permanent magnet synchronous motor controller which has the advantages of improving the heat dissipation efficiency, being convenient to clean and effectively preventing dust, and the like, and solves the problems that the heat dissipation efficiency in a comparison file is low, equipment needs to be split when cleaning after dust is covered, the cleaning workload is increased, and the use is not facilitated.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the permanent magnet synchronous motor controller comprises a controller main body, wherein a front display screen of the controller main body, an operation panel of the controller main body, and a heat dissipation assembly is movably connected to the outer surface of the controller main body;

the heat dissipation assembly comprises a shell, a miniature air compressor, a water tank, a spiral water cooling pipe, a semiconductor refrigerating sheet, an exhaust pipe, an air outlet and a heat dissipation hole, wherein the outer surface of the controller main body is movably connected with the shell, the miniature air compressor is fixedly installed on the inner bottom wall of the shell, the water tank is fixedly installed on the inner rear wall of the shell, the spiral water cooling pipe is installed at the air outlet of the miniature air compressor, the semiconductor refrigerating sheet is fixedly installed at the top of the shell, the exhaust pipe is fixedly installed at one end of the spiral water cooling pipe far away from the miniature air compressor, the air outlet is formed in the bottom of the shell, and the heat dissipation holes with the number of not less than five are formed in the bottom of the controller main body.

Further, the controller main body is positioned in the shell, and the heat dissipation hole is positioned right above the air outlet hole.

Further, the extraction opening of the miniature air compressor penetrates through the shell and extends to the outside of the shell, and a first waterproof breathable film is arranged in the extraction opening of the miniature air compressor.

Further, the gas outlet of miniature air compressor machine runs through the water tank and extends to the inside of water tank, spiral water-cooled tube and blast pipe all are located the inside of water tank.

Further, the internally mounted of venthole has the waterproof ventilated membrane of second, the inside of venthole is provided with the grid board, the waterproof ventilated membrane of second is located between the below of louvre and the top of grid board.

Further, the semiconductor refrigeration piece runs through the shell and extends to the inside of the shell and is attached to the top of the water tank, and the exhaust pipe runs through the water tank and extends to the outside of the water tank.

Further, a clamping hole is formed between the inner rear wall of the controller main body and the rear side of the controller main body, and the exhaust pipe extends to the inside of the controller main body through the clamping hole and is in clamping connection with the clamping hole.

(III) beneficial effects

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this PMSM controller through setting up miniature air compressor machine and blast pipe, lasts the inside gas that carries out of controller main part, utilizes the air current to drive the inside steam of controller main part for the heat dissipation efficiency of controller, simultaneously, utilize water tank and semiconductor refrigeration piece cooperation, cool down the inside aqueous humor of water tank for absorb the heat that enters into the inside air current of controller main part, thereby reduce the air current temperature that will input, let the air conditioning enter into the inside heat absorption of controller main part, and then accelerate the heat loss efficiency of controller, improve the radiating efficiency of PMSM controller, the use of facilitate the user.

2. This PMSM controller is provided with first waterproof ventilated membrane inside the extraction opening of miniature air compressor machine, avoid the dust in the air to be input the inside unable discharge of controller main part, simultaneously, utilize the heat conduction material of spiral water-cooled tube, accelerate the inside air heat loss rate of spiral water-cooled tube, and crooked return ring's pipeline has prolonged the time of gas delivery, the length of time of water-cooling has been increased, and then the temperature of the inside air current of controller main part has been reduced and has been carried, reach the radiating effect of improvement, guarantee the purpose of radiating rate, and prevent the dust entering at the cooperation of first waterproof ventilated membrane and the waterproof ventilated membrane of second, reduce clean required work load.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a right side cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

fig. 4 is an enlarged view of fig. 2B in accordance with the present utility model.

In the figure: 1. a controller main body; 2. a display screen; 3. an operation panel; 4. a heat dissipation assembly; 401. a housing; 402. a miniature air compressor; 403. a water tank; 404. a spiral water-cooled tube; 405. a semiconductor refrigeration sheet; 406. an exhaust pipe; 407. an air outlet hole; 408. and the heat dissipation holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a permanent magnet synchronous motor controller in this embodiment includes a controller main body 1, a front display screen 2 of the controller main body 1, an operation panel 3 of the controller main body 1, and a heat dissipation assembly 4 movably connected to an outer surface of the controller main body 1.

In fig. 2, fig. 3 and fig. 4, the heat dissipation assembly 4 is composed of a housing 401, a micro air compressor 402, a water tank 403, a spiral water cooling tube 404, a semiconductor refrigerating sheet 405, an exhaust pipe 406, an air outlet 407, a heat dissipation hole 408 and other components, the outer surface of the controller main body 1 is connected with the housing 401 for connecting the controller main body 1 and the heat dissipation assembly 4 into a whole, the micro air compressor 402 is mounted on the inner bottom wall of the housing 401 for continuously inputting air into the spiral water cooling tube 404, the water tank 403 is mounted on the inner rear wall of the housing 401 for storing cold water for cooling, the spiral water cooling tube 404 is mounted at the air outlet of the micro air compressor 402, the semiconductor refrigerating sheet 405 is mounted at the top of the housing 401 for conveniently exchanging heat between cold water and hot air, the exhaust pipe 406 is mounted at one end of the spiral water cooling tube 404 far away from the micro air compressor 402 for conveying the controller main body 1 for cooling, the air outlet 407 is opened at the bottom of the housing 401 for externally discharging gas, the five air cooling holes are opened at the bottom of the controller main body 1 for conveniently cooling the air cooling the controller main body 1, and the heat dissipation of the controller main body 1 is not less than the heat dissipation hole is opened.

In fig. 2 and 3, by providing the fastening hole, the exhaust pipe 406 can be directly connected with the controller main body 1, so that cold air can be conveniently delivered into the controller main body 1 for heat dissipation and temperature reduction, and the high-temperature air in the controller main body 1 can be extruded out of the controller.

In fig. 2 and 4, by setting the second waterproof and breathable film, dust and water liquid are prevented from entering the controller main body 1 through the heat dissipation holes 408, and the grid plate is matched, so that a sharp object is prevented from contacting the second waterproof and breathable film, and the dustproof and waterproof structure is damaged.

It should be noted that this section is intended to provide a background or context for the embodiments set forth in the claims and to omit detailed descriptions of known functions and known components, while fixed and movable mounting are determined according to the manner of actual use, and to ensure compatibility of the device, the means of operation employed are consistent with the parameters of the commercial instruments, and the description herein is not admitted to be prior art by inclusion in this section.

In practice, the method is carried out according to the following steps:

1) Firstly, a miniature air compressor 402 and a semiconductor refrigerating sheet 405 are started, and the semiconductor refrigerating sheet 405 continuously cools and refrigerates a water tank 403, so that the temperature of water liquid in the water tank 403 is lower than that of a spiral water cooling pipe 404;

2) Then, the micro air compressor 402 delivers the sucked air into the spiral water cooling pipe 404, and the hot air contacts with the cold water to exchange heat, so that the air temperature is reduced, and then is discharged into the controller main body 1 through the exhaust pipe 406;

3) Finally, the cold air enters the controller main body 1, contacts with the heating element to absorb heat and drive the hot air to flow, and is discharged to the outside of the controller main body 1 through the heat dissipation holes 408 and the air outlet holes 407.

To sum up, this PMSM controller through setting up miniature air compressor machine 402 and blast pipe 406, continuously carries out the gas transmission to the inside of controller main part 1, utilize the inside steam of air current drive controller main part 1 for the heat dissipation efficiency of controller, simultaneously, utilize water tank 403 and semiconductor refrigeration piece 405 cooperation, cool down the inside aqueous humor of water tank 403, be used for absorbing the heat that enters into the inside air current of controller main part 1, thereby reduce the air current temperature of input, let the air conditioning enter into the inside heat absorption of controller main part 1, and then accelerate the heat loss efficiency of controller, improve the radiating efficiency of PMSM controller, the use of convenience of customers.

Moreover, be provided with first waterproof ventilated membrane inside the extraction opening of miniature air compressor machine 402, avoid the dust in the air to be input the inside unable discharge of controller main part 1, simultaneously, utilize the heat conduction material of spiral water-cooled tube 404, accelerate the inside air heat loss rate of spiral water-cooled tube 404, and crooked loop's pipeline has prolonged the time of gas delivery, the length of time of water-cooling has been increased, and then the temperature of the inside air current of conveying controller main part 1 has been reduced, reach the radiating effect of improvement, guarantee the purpose of radiating rate, and prevent the dust entering at the cooperation of first waterproof ventilated membrane and the waterproof ventilated membrane of second, reduce clean required work load, the radiating efficiency is not high in the file of having solved, need split equipment when cleaning after covering the dust, clean work load has been increased, unfavorable for the problem of using.

It is noted that 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. Moreover, 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 phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. Permanent magnet synchronous motor controller, including controller main part (1), its characterized in that: the controller comprises a controller main body (1), a front display screen (2), an operation panel (3) and a heat dissipation assembly (4), wherein the front display screen (2) of the controller main body (1), and the heat dissipation assembly (4) is movably connected to the outer surface of the controller main body (1);

the heat dissipation assembly (4) comprises a shell (401), a miniature air compressor (402), a water tank (403), a spiral water cooling pipe (404), a semiconductor refrigerating sheet (405), an exhaust pipe (406), an air outlet (407) and a heat dissipation hole (408), wherein the outer surface of the controller main body (1) is movably connected with the shell (401), the miniature air compressor (402) is fixedly installed on the inner bottom wall of the shell (401), the water tank (403) is fixedly installed on the inner rear wall of the shell (401), the spiral water cooling pipe (404) is installed at the air outlet of the miniature air compressor (402), the semiconductor refrigerating sheet (405) is fixedly installed at the top of the shell (401), the exhaust pipe (406) is fixedly installed at one end of the spiral water cooling pipe (404) far away from the miniature air compressor (402), the air outlet (407) is formed in the bottom of the shell (401), and the heat dissipation holes (408) with the number of not less than five are formed in the bottom of the controller main body (1).

2. A permanent magnet synchronous motor controller according to claim 1, wherein: the controller main body (1) is positioned in the shell (401), and the radiating hole (408) is positioned right above the air outlet hole (407).

3. A permanent magnet synchronous motor controller according to claim 1, wherein: the extraction opening of the miniature air compressor (402) penetrates through the shell (401) and extends to the outside of the shell (401), and a first waterproof breathable film is arranged in the extraction opening of the miniature air compressor (402).

4. A permanent magnet synchronous motor controller according to claim 1, wherein: the air outlet of the miniature air compressor (402) penetrates through the water tank (403) and extends into the water tank (403), and the spiral water cooling pipe (404) and the exhaust pipe (406) are both positioned in the water tank (403).

5. A permanent magnet synchronous motor controller according to claim 1, wherein: the inside of venthole (407) is installed the waterproof ventilated membrane of second, the inside of venthole (407) is provided with the grid board, the waterproof ventilated membrane of second is located between the below of louvre (408) and the top of grid board.

6. A permanent magnet synchronous motor controller according to claim 1, wherein: the semiconductor refrigerating sheet (405) penetrates through the shell (401) and extends to the inside of the shell (401) and is attached to the top of the water tank (403), and the exhaust pipe (406) penetrates through the water tank (403) and extends to the outside of the water tank (403).

7. A permanent magnet synchronous motor controller according to claim 1, wherein: a clamping hole is formed between the inner rear wall of the controller main body (1) and the rear side of the controller main body (1), and the exhaust pipe (406) extends to the inside of the controller main body (1) through the clamping hole and is connected with the clamping hole in a clamping mode.