CN107359725A

CN107359725A - Fan shroud

Info

Publication number: CN107359725A
Application number: CN201710708284.3A
Authority: CN
Inventors: 吴学钎; 吕阳; 汪晓静; 黄永飞; 张忠根; 徐红华
Original assignee: Anhui Wannan Electric Machine Co Ltd
Current assignee: Anhui Wannan Electric Machine Co Ltd
Priority date: 2017-08-17
Filing date: 2017-08-17
Publication date: 2017-11-17

Abstract

The present invention provides a kind of fan shroud, and fresh air inlet is offered on cover body, and the cover mouth peripheral profile of cover body includes covering at the circular port edge of back end cover for motor and covers at the cassette bottom of controller box and the extension opening's edge of electric machine stand junction.Air-flow can not only be directed at the fin of electric machine casing periphery, and cassette bottom and electric machine stand junction of the mouth mask located at controller box are extended by cover body, air-flow is directed to cassette bottom and the electric machine stand junction of controller box, while ensureing motor radiating effect, controller box also can effectively radiate, and extend the service life of controller.

Description

Fan shroud

Technical field

The present invention relates to machine field, specially a kind of motor fan shroud.

Background technology

Frequency-variable controller is connected with electric machine stand, electric machine stand is radiated by the fin arranged in its circumference, motor Tubular fan shroud is covered with outside rear end cap, is disposed with fan between the rear end cap and fan shroud of motor, above-mentioned fan shroud is by air-flow It is directed at the fin of electric machine stand periphery, is merely capable of cooling down electric machine stand, and frequency-variable controller can not effectively radiate, The service life of controller box is shortened, if frequency conversion controller of motor sets up the cooling systems such as cooling fan in addition, it is difficult to Ensure that the miniaturization of motor volume or the cost of motor dramatically increase.

The content of the invention

It is an object of the invention to provide a kind of fan shroud, ensures the radiating effect of motor and controller box, extends controller Service life.

To achieve these goals, the technical scheme used for：A kind of fan shroud, fresh air inlet, cover body are offered on cover body Cover mouth peripheral profile include covering at the circular port edge of back end cover for motor and cover at the cassette bottom and electric machine stand of controller box The extension opening's edge of junction.

Compared with prior art, technique effect of the invention is：Air-flow can not only be directed to dissipating for electric machine casing periphery At backing, and control is directed to located at the cassette bottom and electric machine stand junction, air-flow of controller box by the extension mouth mask of cover body The cassette bottom of device box processed and electric machine stand junction, while ensureing motor radiating effect, controller box also can effectively radiate, Extend the service life of controller.

Brief description of the drawings

Fig. 1 is the fan shroud and electric machine stand cooperation schematic diagram of the first embodiment of the invention；

Fig. 2 is the schematic diagram that controller box is set up in Fig. 1；

Fig. 3 is the fan shroud and electric machine stand cooperation schematic diagram of second of embodiment of the invention；

Fig. 4 is the schematic diagram that controller box is set up in Fig. 3；

Fig. 5 is the structural representation that motor assembly removes fan shroud；

Fig. 6 is the structural representation of controller box.

Embodiment

It is described in further detail with reference to Fig. 1 to the 6 couples of present invention.

A kind of fan shroud, fresh air inlet is offered on cover body 20, and the cover mouth peripheral profile of cover body 20 includes covering at motor 10 The circular port of rear end cap is along 21 and covers at the cassette bottom 31 of controller box 30 and the extension opening's edge 22 of the support junction of motor 10.

In such scheme, a part of air-flow is through circular port along outside the gap guide motor support between 21 and the support of motor 10 All open fin, between the expanded orientating box bottom 31 of opening's edge 22 of another part air-flow and the support of motor 10, so ensure electricity The radiating effect of machine 10 and controller box 30, extend the service life of controller.

The extension opening's edge 22 includes the edges of boards of deflector 28, and air-flow is oriented at extension opening's edge 22 through deflector 28, water conservancy diversion The plate face of plate 28 is arranged with the shaft core line of motor 10 in angle formula.Deflector 28 can be directed to controller box 30 by airflow smooth Cassette bottom 31 and the support junction of motor 10, ensure the radiating effect of motor 10 and controller box 30.

As the concrete arrangement of deflector 28, the angle that the plate face of deflector 28 is in the shaft core line of motor 10 is 20 ° ~80 °.

Wherein it is as follows to be covered with two kinds of specific embodiments for blower fan：

First, the cover body 20 includes barrel 23 and cylinder bottom 24, the jagged and breach is opened up on the barrel 23 and is pointed to Controller box 30, cover body 20 also include enclosing the two relative side plates 29 that are located at breach periphery, and the edges of boards of deflector 28 are respectively with two The relative edges of boards of side plate 29 and the barrel 21 of breach periphery, which are connected, forms extension mouth 27.Directly lay the edges of boards point of deflector 28 The edges of boards of side plate 29 not relative with two and the barrel 21 of breach periphery, which are connected, forms extension mouth 27, and the material for saving fan shroud is used Amount, the weight of motor assembly is reduced, reduce manufacturing cost.

Second, the cover body 20 includes barrel 23 and cylinder bottom 24, the jagged and breach is opened up on the barrel 23 and is pointed to The support of motor 10, cover body 20 also include top plate 25 spaced apart with barrel 23, the shroud of coaming plate 26 on the edges of boards of top plate 25 Extension mouth 27 is formed on the barrel 23 of breach periphery.

First and second installing plate of side extension where the oriented support of motor 10 is set at relative edges of boards in described cassette bottom 31 32nd, 33, the breach 34 offered respectively on first and second installing plate 32,33 pastes with the installation base 11 arranged on electric machine stand 10 Close connection, extension opening's edge 22 cover at first and second installing plate 32,33, on the air flow inlet that surrounds of cassette bottom 31 and the support of motor 10.

Described installing plate 32,33 it can be appreciated that the relative biside plate of controller box 30 from cassette bottom 31 to motor 10 The plate body part of support side extension, first and second installing plate 32,33 and the company of fitting of installation base 11 arranged on the support of motor 10 Connect, on the one hand, installation base 11 makes the pre-determined bit on electric machine stand 10 of controller box 20, is easy to the installation of controller box 30；Separately On the one hand, prevent air-flow loss between controller box 30 and the support of motor 10 from going out, not only facilitate controller box 30 and electricity The installation of the support of machine 10, and improve the cooling effect of controller box 30.

The cylinder bottom 22 of the cover body 20 offers air inlet, and impeller is disposed between cover body 20 and motor 10 rear end cap 40, the rotating shaft of motor 10 is stretched out from the through hole of rear end cap to be connected with the rotating shaft of impeller 40.

Claims

1. a kind of fan shroud, cover body offers fresh air inlet on (20), it is characterised in that：The cover mouth peripheral profile of cover body (20) includes The circular port edge (21) for covering at motor (10) rear end cap and the cassette bottom (31) for covering at controller box (30) and motor (10) machine The extension opening's edge (22) of seat junction.

2. fan shroud according to claim 1, it is characterised in that：The extension opening's edge (22) includes the plate of deflector (28) Side, air-flow are oriented to extension opening's edge (22) place through deflector (28), and deflector (28) plate face and motor (10) shaft core line are in angle formula Arrangement.

3. fan shroud according to claim 2, it is characterised in that：Deflector (28) plate face is in motor (10) shaft core line Angle be 20 °~80 °.

4. fan shroud according to claim 2, it is characterised in that：The cover body (20) includes barrel (23) and cylinder bottom (24), open up the jagged and breach pointing controller box (30) on the barrel (23), cover body (20) also include enclosing be located at it is scarce Two relative side plates (29) of mouthful periphery, the edges of boards of deflector (28) are respectively outside side plate (29) edges of boards and breach relative with two The barrel (21) in week, which is connected, forms extension mouth (27).

5. fan shroud according to claim 1, it is characterised in that：The cover body (20) includes barrel (23) and cylinder bottom (24) the jagged and breach, is opened up on the barrel (23) and points to motor (10) support, cover body (20) also includes and barrel (23) spaced apart top plate (25), coaming plate (26) shroud on top plate (25) edges of boards is on the barrel (23) of breach periphery Form extension mouth (27).

6. fan shroud according to claim 4, it is characterised in that：It is provided with described cassette bottom (31) at relative edges of boards First and second installing plate (32,33) of side extension, first and second installing plate open up respectively on (32,33) where to motor (10) support Some breach (34) are fitted and connected with the installation base (11) arranged on electric machine stand (10), and extension opening's edge (22) covers at the First, on the air flow inlet that two installing plates (32,33), cassette bottom (31) and motor (10) support surround.

7. the fan shroud according to claim 2 or 4, it is characterised in that：The cylinder bottom (22) of the cover body (20) offer into Air port, is disposed with impeller (40) between the cover body (20) and motor (10) rear end cap, motor (10) rotating shaft is led to from rear end cap Hole is stretched out to be connected with the rotating shaft of impeller (40).