CN1111653C

CN1111653C - Blower

Info

Publication number: CN1111653C
Application number: CN98812276A
Authority: CN
Inventors: R·科尔顿; A·方发拉
Original assignee: BSH Bosch und Siemens Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 1997-12-19
Filing date: 1998-12-18
Publication date: 2003-06-18
Anticipated expiration: 2018-12-18
Also published as: EP1040276A1; EP1040276B1; PL341103A1; TR200001708T2; RU2176332C1; DE59804463D1; BR9813761A; WO1999032793A1; DE19756859A1; CN1282406A; ES2178306T3; PL192529B1

Abstract

For the blower (17) that has a housing (18), it has the shell space (22) and the drive motor (35) that drives blower impeller that hold blower impeller (23), drive motor is arranged on one and covers at least in the holding space (32) that is electrically connected, and the holding space that is used to hold drive motor (35) is arranged on the shell space outside that holds impeller and is fixed on housing.

Description

Blower

The present invention relates to have the blower of a housing, housing has a shell space that holds blower impeller and drives the drive motor of blower impeller, and drive motor is arranged in the holding space that is electrically connected that covers it at least.

A kind of disclosed, for carrying out in the cooling space of a cooling equipment in the blower that air circulation is provided with, the drive motor and the blower impeller that drive blower impeller are arranged in the shell space of a blower housing together.For what guarantee by relevant VDE-standard (German electrician's standard) defined, touch-safe with the wiring terminal of the drive motor of power supply unit coupling, additional by one on housing held, it is inner and be fixed thereon that this housing is arranged on the shell space that holds the blower blade.This kind structure, though meet based on the VDE-code requirement, for example detect the touch-safe that pin confirmed, yet the installation of motor is because of seeming loaded down with trivial details by the housing that adds by a standardization.And additional housing means extra logistics supply and mounting cost.

The objective of the invention is to, for above-mentioned described blower, adopt simply, the measure that improves structure improves its housing, especially improves the installation of the drive motor of the drive blower that satisfies the VDE-standard.

According to the present invention, this purpose realizes by the following method, that is: the holding space that holds drive motor is arranged on the outside of the shell space that holds blower impeller and is fixed on the housing, Gu Ding holding space can not run into after housing is installed on the wall at least to the full extent simultaneously.

By solution according to the invention, save one additional, to cover the electric machine casing that meets the relevant VDE-standard motor wiring utmost point, thus, the blower assembly can be installed simply and rapidly obviously, the operating cost that produces so that reduce for this reason basically.For this reason, by reducing the quantity of single-piece, the logistics supply of blower assembly also obtains simplifying.In addition, by saving the additional housing in holding the shell space of impeller, can realize the more expedite air ventilation from the suction port of housing to the air outlet, thus, the efficient of blower assembly obviously improves.

Object preferred implementing form as can be seen according to the present invention, the holding space that holds the shell space of impeller and the hold drive motor setting that on the direction of drive motor live axle, is closely adjacent to each other, and separate each other in the partition walls of holding space scope inner sealing wall type at least by one.

Therefore not only obtain a blower impeller driving mode simple and with low cost especially, and obtain the protective action of certain motor, because they are covered before the air that may pollute of pump circulation imports.

If according to another kind of the preferred embodiment of the present invention regulation, the holding space that is used to hold drive motor is one-body molded on housing, then the assembly process of blower assembly because additional, the minimizing of necessary assembly also becomes simple especially when assembling.

In addition, by this embodiment, can guarantee a compactness and the firmer shell construction of moulding especially.In addition, the position that is used to hold the holding space of drive motor does not have the defective of installation conditions.

If according to another kind of the preferred embodiment of the present invention regulation, holding space can at least farthest hold drive motor, the then configuration of drive motor in holding space, the requirement of the relevant VDE-standard of special motor wiring utmost point touch-safe up to specification safely.

If another kind of preferred implementing form regulation according to the present invention, drive motor is bearing in the holding space by at least one removable holding member, and then drive motor can promptly locate in holding space and can especially easily change under situation about damaging especially.

According to another preferred implementing form regulation of invention object, holding member is designed to spring shackle, and it is at a side and drive motor, and the draw-in groove position in opposite side and holding space can concur.

The structure of the holding member by making spring shackle, drive motor on a preferred direction, utilizes the elastic force of spring shackle to be positioned in holding space inside, running noise simultaneously, for example vibrations or like thatly avoided in a kind of simple especially mode.

Corresponding to another preferred form of implementation regulation of invention object, holding space is Open architecture and the wall installation that faces toward supporting blower housing with its opening one side at itself and the opposed side of blower impeller.

Thus, not only obtain one special, the blower shell construction of producing with the high pressure die casting method for example, and having realized simultaneously with operation seldom, guarantees to meet the VDE standard, in the holding space of housing drive motor is installed.

If last a kind of preferred embodiment of object is used for refrigeration equipment with blower of the present invention according to the present invention, the structure that then has the refrigeration equipment that is arranged on the blower in its reefer space is superior especially.

In the narration below,, describe the present invention in detail according to the embodiment who briefly shows in the accompanying drawings.

Be illustrated as:

Fig. 1 has shown one section wall of refrigeration equipment in the sectional view mode, and it has the blower that can be fixed on the wall, is the holding space that is used for being provided with drive motor within it in the blower impeller back, the sectional view that view is seen for direction from the side and

Fig. 2 overlooks the view of blower from above.

Fig. 1 has shown the insulated case 10 that belongs to refrigeration equipment in the sectional view mode, it is used to hold a reefer space 11 and for thermal insulation, be provided with a heat insulation layer 12, heat insulation layer is between a shell that does not show and liner 13 of being made by the moulding of plastic pellicle chipless.Closing on cover plate 14 places, with refrigeration equipment the door opposed back wall 15 on, be the fixed hole 16 of a blind hole form, being used for fixing structure is the blower 17 of axial-flow blower.Blower 17 has a housing 18 with the plastic pressure mold casting forming divided into two parts, it is made of in approximate housing mode the housing structure 19 that leaves on the back wall 15, simultaneously opposed with back wall, shell as housing structure 19 previous sections is made up of suction port 20, while is on the free end of the shell wall of housing structure 19, be equipped with groove device, be used for housing structure 19 with removably be fixed on second, just below with the housing parts of the housing 18 that describes in detail.The suction port that is arranged on the housing structure 19 feeds shell space 22, and shell space 22 is made of the structure of the housing structure 19 of approximate housing basically and is used to hold blower impeller 23.Directly in blower impeller 23 back, towards back wall 15, be a partition walls 25 that belongs to second housing structure 24 describing part, it invests the part of cover plate 14, be shaped as the receiving bore 26 of a similar sleeve structure, be used to hold a structure fixing device 27 that is tapping screw.Relative with the receiving bore 26 of similar sleeve structure, be partition walls 25, have slit 28 as the air outlet, through slit 28, drive by impeller, can flow out by suction port 20 inhaled airs.Partition walls 25 direct adjacent receiving bores 26 are parts 29 of a sealing wall type, and it has through hole 31 and it as the boundary wall of shell space 22 with holding space 32 in housing structure 24 at the center that a shell skin structure holds scope 30.This part is similar to a pipe, with the tube wall 33 of shell surface around holding space 32, at its end face towards shell space 22, the part 29 that is closed housing is airtight, and is provided with the approximate dead slot mouth 34 of opposed moulding to each other towards the end portion of back wall 15.Holding space 32 is used for containing fully drive motor 35, and drive motor 35 has the connecting terminal 36 that is arranged on holding space 32 inside and a motor shaft 37 that passes through hole 31 is arranged, and motor shaft is meshed with impeller.In holding space 32 as the bearing of drive motor 35, be with the elasticity bearing shell 38 of motor shaft 37 vertically extending electric machine casing end faces.Bearing shell is with the shape ways of connecting and keep shell one to be used from fixing of drive motor 35 holding space 32 in, thus, maintenance shell with impeller 23 adjacent settings, hull shape receiver portion 30 by moulding in the part 29 of sealing wall type constitutes, and uses as the housing structure of for example being made by the plastic pressure die casting with receiver portion 30 opposed maintenance shells simultaneously.On this housing structure, effect has a holding member 39 as plane spring, it utilizes the free terminal of support 40 to be bearing in the dead slot mouth opposite each other 34 and the pretightening force by being produced by supporting, utilization is towards fixing, the end face of the part 29 of enclosing housing compresses drive motor 35, no matter the while bearing shell 38 or the maintenance shell of demountable structure are all pressed to electric machine casing.

Be equipped with the blower 17 of drive motor 35 and impeller 33, in the reefer space 17 on back wall 15, in the adjacent portion of cover plate 14, utilization fixes with the set screw 27 that embedded mode uses by receiving bore 26, wherein under stationary state, back wall 15 covers the open section that begins to leave the holding space 23 of wall from housing structure 19, so that the electrical wiring contact 36 of drive motor 35, be arranged in the holding space 32 that all faces from now on all seal and avoided being intended to utilize long and thin instrument thus, for example the false touch of screw-driver or same thing.

Claims

1. be used to be installed in the blower (17) on the wall (15), have a housing (18), it has the shell space (22) and the drive motor (35) that drives blower impeller (23) that hold blower impeller (23), drive motor (35) is arranged on one and covers at least in its holding space that is electrically connected (36) (32), it is characterized in that, holding space (32) is arranged on shell space (22) outside that holds blower impeller (23) and is fixed on the housing (18), and the holding space that wherein is fixed (32) is installed at housing (18) can not run into after wall (15) is gone up.

2. blower as claimed in claim 1, it is characterized in that, hold the shell space (22) of impeller (23) and the holding space (32) of drive motor (35) and on the direction of the live axle (37) of drive motor (35), be close to setting, and separate each other in the partition walls (25) of the scope inner sealing wall type of holding space (32) at least by one.

3. blower as claimed in claim 1 or 2 is characterized in that, the holding space (32) of drive motor (23) is integrally formed therewith on housing (18).

4. as the described blower of one of claim 1 to 3, it is characterized in that holding space (32) can hold drive motor (35) at least to the full extent.

5. as the described blower of one of claim 1 to 4, it is characterized in that drive motor is supported in the holding space (32) by a minimum dismountable holding member (39).

6. blower as claimed in claim 5 is characterized in that, holding member (39) is made spring shackle, and it can concur in holding space (32) at a side and drive motor (35) and at opposite side and draw-in groove position (34).

7. as the described blower of one of claim 1 to 6, it is characterized in that holding space (32) is an open design at itself and the opposed opposite side of impeller (23), and be installed on the wall (15) of the housing (18) that supports blower (17) with its side of opening wide.

8. have a cooling equipment that is arranged on the blower in its cooling space, it is characterized in that the structure of blower (17) meets the described feature of one of claim 1 to 7.