CN214845656U - Counter electromotive force measuring device of permanent magnet synchronous motor - Google Patents

Abstract

The utility model discloses a PMSM back electromotive force measuring device, including placing the case, place case upper surface fixed and be provided with detection subassembly and operating panel, place incasement portion fixedly connected with main control unit, temperature-sensing ware and heat radiation fins, and main control unit and heat radiation fins laminating link to each other, place case fixedly connected with air-supply line and play tuber pipe, and air-supply line and play tuber pipe all run through to placing incasement portion, the air-supply line is connected with first air-blower and scattered tuber pipe; adsorb the heat that main control unit produced through heat radiation fins, the temperature-sensing ware detects places incasement portion temperature, first air-blower will place the outside wind drainage of case to the tuber pipe that looses through the air-supply line inside, the tuber pipe that looses is discharged wind through a plurality of wind holes and is placed incasement portion, the second air-blower will place the wind of incasement portion through going out the tuber pipe and discharge, effectively air exhaust the heat dissipation placing incasement portion, the incasement portion temperature is placed in the reduction, promote and place incasement portion part life.

Description

Counter electromotive force measuring device of permanent magnet synchronous motor

Technical Field

The utility model relates to a PMSM field especially relates to a PMSM back electromotive force measuring device.

Background

The permanent magnet synchronous motor provides excitation by the permanent magnet, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; and because excitation current is not needed, excitation loss is avoided, and the efficiency and the power density of the motor are improved.

However, the counter electromotive force measuring device of the permanent magnet synchronous motor in the prior art has the problem that the service life of internal components of the device is damaged due to overhigh temperature in the using process because of lack of a heat dissipation structure, and therefore the counter electromotive force measuring device of the permanent magnet synchronous motor is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a PMSM back electromotive force measuring device can solve current PMSM back electromotive force measuring device through setting up heat radiation structure and because of lacking heat radiation structure, lead to the impaired problem of life because of the high temperature of device internals in the use.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a PMSM back electromotive force measuring device, is including placing the case, it is provided with determine module and operating panel to place case fixed surface, place incasement portion fixedly connected with main control unit, temperature-sensing ware and heat radiation fins, and main control unit links to each other with the heat radiation fins laminating, place case fixedly connected with air-supply line and play tuber pipe, and the air-supply line all runs through to placing incasement portion with going out the tuber pipe, the air-supply line is connected with first air-blower and the tuber pipe that looses, and looses the tuber pipe and the inside a plurality of scattered wind holes of having seted up, it has the second air-blower to go out the tuber pipe connection, it openly articulates there is the door plant to place the case.

As an optimized technical scheme of the utility model, the inside fixedly connected with transparent plate of door plant.

As the utility model discloses a preferred technical scheme, place four supporting legs of case fixed surface connection, four the supporting leg is the rectangular array form and distributes place the case lower surface, and four supporting legs are height-adjustable settings.

As an optimal technical scheme of the utility model, four the slipmat of equal fixedly connected with of supporting leg lower surface.

As an optimized technical scheme of the utility model, a plurality of louvres have been seted up to heat radiation fins inside.

As an optimized technical scheme of the utility model, it is a plurality of the wind hole equidistance that looses distributes is in it is inside to loose the wind pipe.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the detection assembly is connected with a detected object, instruction input is carried out through the operation panel, the main controller analyzes and processes detection assembly transmission information and displays detection results through the operation panel, heat dissipation fins adsorb heat generated by the main controller, when the temperature sensor detects that the temperature of the interior of the box is too high in the detection process, the first air blower conducts wind outside the box to the interior of a wind dissipation pipe through an air inlet pipe, the wind dissipation pipe discharges wind into the interior of the box through a plurality of wind dissipation holes, the second air blower discharges the wind inside the box through a wind outlet pipe, effective air exhaust and heat dissipation are carried out on the interior of the box, the temperature of the interior of the box is lowered, and the service life of the interior components of the box is prolonged.

2. Four supporting legs that are the rectangular array form and distribute through the setting carry out steady support to the device, but are but height-adjusting setting be convenient for adapt to not mounting surface of co-altitude better, and the installation of being convenient for is used, through setting up slipmat increase frictional force, and the device of being convenient for is whole to be placed more steadily.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a front sectional perspective view of fig. 1 according to the present invention;

fig. 3 is a schematic right sectional perspective view of fig. 1 according to the present invention;

fig. 4 is a schematic front view of fig. 1 according to the present invention.

Wherein: 1. placing a box; 2. a detection component; 3. a main controller; 4. a temperature sensor; 5. heat dissipation fins; 6. heat dissipation holes; 7. an air inlet pipe; 8. an air outlet pipe; 9. a first blower; 10. a second blower; 11. a wind dispersing pipe; 12. a wind-dispersing hole; 13. a door panel; 14. a transparent plate; 15. an operation panel; 16. supporting legs; 17. a non-slip mat.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, the utility model provides a back electromotive force measuring device of a permanent magnet synchronous motor, including placing case 1, placing case 1 upper surface is fixed and is provided with detection component 2 and operating panel 15, placing case 1 inside fixedly connected with main controller 3, temperature-sensing ware 4 and heat radiation fins 5, and main controller 3 and heat radiation fins 5 laminating link, placing case 1 fixedly connected with air-supply line 7 and air-out pipe 8, and air-supply line 7 and air-out pipe 8 all run through to placing case 1 inside, air-supply line 7 is connected with first air-blower 9 and scattered tuber pipe 11, and scattered tuber pipe 11 inside has seted up a plurality of scattered wind holes 12, air-out pipe 8 is connected with second air-blower 10, placing case 1 openly articulates there is door plant 13;

an operator connects the detection assembly 2 with an object to be detected, then the device is started, instruction input is performed through the operation panel 15, the main controller 3 analyzes and processes transmission information of the detection assembly 2 and displays detection results through the operation panel 15, the heat dissipation fins 5 absorb heat generated by the main controller 3, when the temperature sensor 4 detects that the temperature inside the placing box 1 is too high in the detection process, the first air blower 9 conducts wind outside the placing box 1 to the interior of the wind dissipation pipe 11 through the air inlet pipe 7, then the wind dissipation pipe 11 discharges the wind into the placing box 1 through the plurality of wind dissipation holes 12, then the second air blower 10 discharges the wind inside the placing box 1 through the air outlet pipe 8, effective air exhaust and heat dissipation are performed inside the placing box 1, the temperature inside the placing box 1 is reduced, the service life of components inside the placing box 1 is prolonged, in the embodiment, the required electric equipment is electrically connected with an external power supply.

In other embodiments, a transparent plate 14 is fixedly connected inside the door panel 13;

the transparent plate 14 is arranged to facilitate the operator to visually check the working state of the components inside the placing box 1.

In other embodiments, the lower surface of the placing box 1 is fixedly connected with four supporting legs 16, the four supporting legs 16 are distributed on the lower surface of the placing box 1 in a rectangular array form, and the four supporting legs 16 are all arranged in a height-adjustable manner;

four supporting legs 16 that are the rectangular array form and distribute carry out steady support to the device, but are the mounting plane of height-adjusting setting adaptation co-altitude not better, the installation of being convenient for use.

In other embodiments, the lower surfaces of the four support legs 16 are fixedly connected with a non-slip mat 17;

through setting up slipmat 17 increase frictional force, the device of being convenient for is whole to be placed more steadily.

In other embodiments, a plurality of heat dissipation holes 6 are formed inside the heat dissipation fins 5;

the arrangement of the plurality of heat dissipation holes 6 facilitates the improvement of the air circulation inside the heat dissipation fins 5.

In other embodiments, the plurality of air dispersing holes 12 are distributed in the air dispersing pipe 11 at equal intervals;

the wind power is convenient to spread more evenly, and the using effect is improved.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a PMSM counter electromotive force measuring device, is including placing case (1), its characterized in that: place case (1) fixed surface and be provided with determine module (2) and operating panel (15), place case (1) inside fixedly connected with main control unit (3), temperature-sensing ware (4) and heat radiation fins (5), and main control unit (3) link to each other with heat radiation fins (5) laminating, place case (1) fixedly connected with air-supply line (7) and go out tuber pipe (8), and air-supply line (7) all run through to placing case (1) inside with going out tuber pipe (8), air-supply line (7) are connected with first air-blower (9) and scattered tuber pipe (11), and scattered tuber pipe (11) inside have been seted up a plurality of scattered wind holes (12), it is connected with second air-blower (10) to go out tuber pipe (8), it openly articulates to place case (1) has door plant (13).

2. The back electromotive force measuring device of a permanent magnet synchronous motor according to claim 1, characterized in that: a transparent plate (14) is fixedly connected inside the door panel (13).

3. The back electromotive force measuring device of a permanent magnet synchronous motor according to claim 1, characterized in that: place four supporting legs (16), four of case (1) lower fixed surface be connected with supporting leg (16) four supporting leg (16) are the rectangular array form and distribute placing case (1) lower surface, and four supporting leg (16) are height-adjustable settings.

4. A back electromotive force measuring device of a permanent magnet synchronous motor according to claim 3, characterized in that: the lower surfaces of the four supporting legs (16) are fixedly connected with an anti-skid pad (17).

5. The back electromotive force measuring device of a permanent magnet synchronous motor according to claim 1, characterized in that: a plurality of heat dissipation holes (6) are formed in the heat dissipation fins (5).

6. The back electromotive force measuring device of a permanent magnet synchronous motor according to claim 1, characterized in that: the plurality of air dispersing holes (12) are distributed in the air dispersing pipe (11) at equal intervals.

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