CN203067324U

CN203067324U - Automotive air conditioning blower with optimized air inlet structure

Info

Publication number: CN203067324U
Application number: CN 201320054961
Authority: CN
Inventors: 韦长华; 张权; 刘勋; 颜益军
Original assignee: Jiangsu Chaoli Electric Inc
Current assignee: Jiangsu Chaoli Electric Inc
Priority date: 2013-01-31
Filing date: 2013-01-31
Publication date: 2013-07-17
Anticipated expiration: 2023-01-31

Abstract

The utility model discloses an automotive air conditioning blower with an optimized air inlet structure, and relates to the technical field of automotive components. The automotive air conditioning blower comprises a flange plate, a lower housing, an upper housing, a wind wheel and a motor, wherein the flange plate, the lower housing and the upper housing are fixedly connected to form an integral housing; the wind wheel is fixedly mounted on a central spindle of the motor; the wind wheel and the central spindle are fixedly mounted in an inner cavity of the housing together; an outer air shield ring or/and an inner air shield ring is/are arranged on the upper housing in the inner cavity of the housing; heights of the outer air shield ring and the inner air shield ring are greater than a distance between the wind wheel and the upper housing of the housing; the outer air shield ring is located on the outer side of a wind wheel ring; the inner air shield ring is located on the inner side of the wind wheel ring; and the height of the inner air shield ring is greater than that of the outer air shield ring. According to the automotive air conditioning blower, the outer air shield ring and the inner air shield ring of the air inlet structure of the automotive air conditioning blower are designed reasonably; the automotive air conditioning blower is simple in structure, and can stop air backflow, so that air in the inner cavity of the housing difficultly flows toward an air inlet; the air quantity loss is reduced; noises are reduced; and the whole performance of a system is improved.

Description

The blower for vehicle air conditioning that a kind of air inlet structure is optimized

Technical field

The utility model relates to automobile technical field, relates in particular to blower for vehicle air conditioning.

Background technique

Automotive air-conditioning system be to air in the automobile bodies freeze, the device of heating, ventilation and air purification, the wherein air conditioner blower in the automotive air-conditioning system and air channel design improves car comfort to the above-mentioned air conditioning function of realizing car air conditioner and plays an important role.The prior art blower for vehicle air conditioning, spiral case housing inner chamber and air inlet structure simplicity of design, have irrational mix and gap between wind wheel and housing inner chamber, cause a part of wind (air) after the housing inner chamber is subjected to resistance, to produce backflow, gap through wind wheel and housing inner chamber, turn back to intake grill and produce and stream, produce harmful effect, cause air quantity loss and noise.

Summary of the invention

The purpose of this utility model is that the problem at above-mentioned existing blower for vehicle air conditioning exists provides a kind of blower for vehicle air conditioning that improves structure, in order to reduce the existing existing noise problem of automotive air-conditioning system.

The technical solution of the utility model is:

The blower for vehicle air conditioning that a kind of air inlet structure is optimized, comprise flange plate, lower shell body and upper shell, and wind wheel and motor, flange plate, lower shell body is fixedlyed connected with upper shell becomes the housing of one, and formation housing inner chamber, wind wheel is fixedly mounted on the mandrel of motor, and be fixedly mounted on together in the housing inner chamber, it is characterized in that, upper shell in the housing inner chamber is provided with outer wind loop Huo ∕ and interior wind loop, the height of outer wind loop and interior wind loop is all greater than the distance between the upper shell of wind wheel and housing, and outer wind loop is positioned at the outside of wind wheel wheel rim, and interior wind loop is positioned at the inboard of wind wheel wheel rim.

The blower for vehicle air conditioning that described a kind of air inlet structure is optimized is characterized in that, described interior wind loop height is greater than outer wind loop height.

The blower for vehicle air conditioning that a kind of air inlet structure of the utility model is optimized, appropriate design outer wind loop and the interior wind loop of blower for vehicle air conditioning air inlet structure, simple structure, can stop air to reflux, make housing inner chamber air be difficult to flow to the intake grill place, reduce wind loss, reduce noise, improved the entire system performance.

Description of drawings

Fig. 1 is the blower for vehicle air conditioning schematic representation;

Fig. 2 be the prior art blower for vehicle air conditioning according to Fig. 1 A-A to cross-sectional schematic;

Fig. 3 be the prior art blower for vehicle air conditioning according to Fig. 1 B-B to cross-sectional schematic;

The blower for vehicle air conditioning embodiment one that Fig. 4 optimizes for the utility model air inlet structure according to Fig. 1 A-A to cross-sectional schematic;

The blower for vehicle air conditioning embodiment one that Fig. 5 optimizes for the utility model air inlet structure according to Fig. 1 B-B to cross-sectional schematic;

The blower for vehicle air conditioning embodiment two that Fig. 6 optimizes for the utility model air inlet structure according to Fig. 1 A-A to cross-sectional schematic;

The blower for vehicle air conditioning embodiment two that Fig. 7 optimizes for the utility model air inlet structure according to Fig. 1 B-B to cross-sectional schematic;

In the above accompanying drawing: the 0-gap; The 1-flange plate; The 2-lower shell body; The 3-upper shell; The 4-wind wheel; The 5-motor; 6-air intake district; The 7-exhaust zone; The outer wind loop of 8-; Wind loop in the 9-.

Below in conjunction with drawings and Examples the utility model is further described.

Embodiment

Embodiment one

Referring to Fig. 1, Fig. 2 and shown in Figure 3, the blower for vehicle air conditioning that the utility model air inlet structure is optimized, comprise flange plate 1, lower shell body 2 and upper shell 3, and wind wheel 4 and motor 5, flange plate 1, lower shell body 2 and upper shell 3 are fixedlyed connected becomes the housing of one, and forms the spiral case inner chamber of housing, and wind wheel 4 is fixedly mounted on the mandrel of motor 5, and be fixedly mounted on together in the housing inner chamber, upper shell 3 has intake grill at the position corresponding to wind wheel 4.After the prior art air conditioner blower started, 4 runnings of centrifugal blower wind wheel entered wind wheel 4 with the air at air intake district 6 and intake grill position thereof from wind wheel 4 axial directions, and throw away from wind wheel 4 radial direction, and air enters the exhaust zone 7 in the housing inner chamber.Air conditioner blower is pressed onto exhaust zone 7 with air by air intake district 6, and continue flow air is pressed to A/C evaporator, in heating core body and the chamber, air distribution air channel, owing to leave gap 0 between the upper shell 3 of wind wheel 4 and housing, when the A/C evaporator chamber, heating core body and air distribution air channel cooperate the different air passageways of generation by the air-conditioning air door, each combination of channels resistance surpasses or is local when surpassing in the blower spiral case inner chamber exhaust zone 7 pressure, will be in air intake district 6 and intake grill form negative pressure, the gap 0 that portion of air leads directly to through wind wheel 4 and upper shell 3, reflux toward the intake grill place, and then produce vibration and cause noise in the air-conditioning chamber or the noise of air-flow, simultaneously can be because of air channel combination pressure difference, return the in different size of road, the complex situations of different vibration frequencies and different qualities noise occur.

As Fig. 1, Fig. 4, shown in Figure 5, the blower for vehicle air conditioning that the utility model air inlet structure is optimized, the intake grill position is provided with wind loop 8 outside the circle on the upper shell 3 in the housing inner chamber, outer wind loop 8 is positioned at the wind wheel 4 wheel rims outside, and outer wind loop 8 height are greater than the distance (highly) in gap 0 between wind wheel 4 and the upper shell 3, form barrier one, intercepted gap 0 between the upper shell 3 of original wind wheel 4 and housing, make the air of intake grill can not directly enter the housing inner chamber easily, housing inner chamber air also is difficult to reflux toward the intake grill place.

Embodiment two

Present embodiment is similar substantially to embodiment one, as shown in Figure 6, difference is: the intake grill position is provided with wind loop 9 in the circle on the upper shell 3 of present embodiment in the housing inner chamber, interior wind loop 9 is positioned at wind wheel 4 wheel rim inboards, interior wind loop 9 height are greater than the distance in gap 0 between wind wheel 4 and the upper shell 3, can form one barrier equally, intercepted gap 0 between the upper shell 3 of original wind wheel 4 and housing, make the air of intake grill can not directly enter the housing inner chamber easily, housing inner chamber air also is difficult to reflux toward the intake grill place.

Embodiment three

As shown in Figure 7, present embodiment is similar substantially to embodiment one, difference is, on the upper shell 3 of the utility model in the housing inner chamber intake grill position be provided with simultaneously the outer wind loop 8 of a circle and enclose in wind loop 9, keep out the wind the height of groove 8 and interior wind loop 9 all greater than the distance in gap 0 between wind wheel 4 and the upper shell 3, and wind wheel 4 wheel rims insert within the grooves that place outer wind loop 8 and the 9 common formation of interior wind loop just, form the twice barrier, intercepted gap between the upper shell 3 of original wind wheel 4 and housing, make the air of intake grill can not directly enter the housing inner chamber easily more, housing inner chamber air also is difficult to reflux toward the intake grill place.In addition, interior wind loop 9 highly is higher than the height of outer wind loop 8, shorter outer wind loop 8, and the air through wind wheel 4 when then being conducive to blower work enters housing spiral case inner chamber.

Except the above, the utility model can also have other mode of executions, does not give unnecessary details one by one at this.Every employing is equal to the technological scheme of replacement or equivalent transformation formation, all belongs to the protection domain of the utility model requirement.

Claims

1. the blower for vehicle air conditioning optimized of an air inlet structure, comprise flange plate (1), lower shell body (2) and upper shell (3), and wind wheel (4) and motor (5), flange plate (1), lower shell body (2) is fixedlyed connected with upper shell (3) and is become the housing of one, and formation housing inner chamber, wind wheel (4) is fixedly mounted on the mandrel of motor (5), and be fixedly mounted on together in the housing inner chamber, it is characterized in that, upper shell in the housing inner chamber (3) is provided with outer wind loop (8) Huo ∕ and interior wind loop (9), the height of outer wind loop (8) and interior wind loop (9) is all greater than the distance between the upper shell (3) of wind wheel (4) and housing, outer wind loop (8) is positioned at the outside of wind wheel (4) wheel rim, and interior wind loop (9) is positioned at the inboard of wind wheel (4) wheel rim.

2. the blower for vehicle air conditioning of optimizing according to the described a kind of air inlet structure of claim 1 is characterized in that, described interior wind loop (9) height greater than outer wind loop (8) highly.