CN202360465U

CN202360465U - Vehicle air conditioner air blower assembly

Info

Publication number: CN202360465U
Application number: CN201120511360XU
Authority: CN
Inventors: 彭锡宏; 李勇; 叶军祥; 周学斌; 田波; 李锋
Original assignee: SHIYAN TIANYA AUTO TECHNOLOGY Co Ltd
Current assignee: SHIYAN TIANYA AUTO TECHNOLOGY Co Ltd
Priority date: 2011-12-09
Filing date: 2011-12-09
Publication date: 2012-08-01
Anticipated expiration: 2021-12-09

Abstract

The utility model relates to a vehicle air conditioner air blower assembly, which comprises a casing and a vane wheel driven by a motor; an air inlet is arranged on one lateral wall of the casing; the lateral wall is further provided with an arcing part and a blocking board; the arcing part arching outwards is arranged along the circumference of the air inlet; and the blocking board is arranged along the circumference of the air inlet, protrudes inside at the position close to the arching part, and is roughly perpendicular to the lateral wall. The vehicle air conditioner air blower assembly overcomes the hidden troubles in the prior art that part wind enters the casing, is impacted by wind resistance, generates backflow, passes through the gap between the vane wheel and the air blower casing, and returns to the air inlet to flow around, and has the advantages of forming continuous and steady air pressure and air amounts, and improving the whole performance of the system.

Description

The blower for vehicle air conditioning assembly

Technical field

The utility model belongs to automotive field, relates to a kind of automotive air-conditioning system, relates in particular to the blower assy of car air conditioner.

Background technique

Blower inlet position volute is in structural design in original air-conditioning system; Usually be in and be left in the basket and adopt the design proposal of simplification; In order to pursue and improve the blast and the air quantity of blower, conventional way is on the power of the structure of impeller and motor, to work hard, and fails on the volute of blower inlet, to pay attention to relevant structural design; Often cause meaningless wind loss and waste, but do not reach expected effect.

Existing blower inlet volute adopts the simpler structure design:

A kind of is that the blower inlet structure adopts straight design, and with reference to figure 1, wind causes turbulent flow easily in blower casing inside, causes systematic air flow less than normal, does not reach client's requirement; Have two hidden danger: part wind directly gets into blower casing without impeller, does not have certain blast intensity; A part of wind gets into enclosure interior, produces backflow because of receiving windage effect, gets back to the intake grill generation again through the gap between impeller and the blower casing intake grill and streams, and causes the air quantity loss, has influenced the whole air output of system;

Another is the design that the blower inlet structure adopts downwards (being that impeller is inboard) to extend, and with reference to figure 2, stopped that intake grill partly scurries air quantity, but wind causes backflow in enclosure interior because of the windage reason easily, produces eddy current, influences air output.The hidden danger that exists: part wind gets into enclosure interior; Receive windage effect and produce backflow; Because of blower casing inside does not have corresponding isolation mounting; Wind is got back to the intake grill generation again through the gap between impeller and the blower casing intake grill and is streamed, and causes the air quantity loss, has influenced the whole air output of system.

Because the existence of above-mentioned shortcoming is necessary the blower fan structure of this car air conditioner further perfect.

Summary of the invention

The utility model influences the problem of system's air output in order to be prone to generation turbulent flow or eddy current in the blower casing that solves above-mentioned existing car air conditioner, and proposes a kind of stable blower for vehicle air conditioning assembly of system's air output that can overcome turbulent flow or eddy current generation.

The utility model is realized through following scheme:

Above-mentioned blower for vehicle air conditioning assembly comprises housing and motor-driven impeller; One sidewall of said housing is provided with intake grill; Said impeller is installed in the said housing and with said intake grill and is complementary; Said sidewall also has the portion of arching upward and baffle plate; The said portion that arches upward lays along the periphery of said intake grill, arches upward laterally from the edge of said intake grill; Said baffle plate is along the circumferential laying of this intake grill, in inwardly protruding out setting near this portion of arching upward place, and is approximately perpendicular to sidewall.

Described blower for vehicle air conditioning assembly, wherein: the edge that said impeller is connected with said intake grill is placed between said lug boss and the baffle plate.

Described blower for vehicle air conditioning assembly, wherein: said baffle plate is blocked in the said impeller outside, and it highly is a bit larger tham the gap between said impeller and the housing, and diameter is a bit larger tham the impeller maximum outside diameter.

Beneficial effect:

The utility model makes air blast housing intake grill position by arch upward two isolations of portion and baffle plate of housing into; Make of the rotation of the wind at intake grill place, form powerful blast, promote air and continue to advance through impeller; Got rid of the trend that wind refluxes as much as possible; Make the air quantity and the wind speed of system's exhaust outlet be able to stablize, reach and satisfied client's requirement, solved in the existing technology first kind of configuration state air and formed not the state of blast without impeller; Having overcome in the existing technology part wind gets into enclosure interior and receives windage effect and produce and reflux; And the hidden danger that the intake grill generation is streamed is got back in the gap between process impeller and the air blast housing intake grill again; Form continual and steady blast and air quantity, improved the overall performance of system.

Description of drawings

Fig. 1 is the structural representation of one of existing technology;

Fig. 2 is two a structural representation of existing technology;

Fig. 3 is the structural representation of the utility model blower for vehicle air conditioning assembly;

Fig. 4 is the I partial enlarged drawing of Fig. 3.

Embodiment

Like Fig. 3, shown in Figure 4, the blower for vehicle air conditioning assembly of the utility model comprises the motor 3 of housing 1, impeller 2 and drives impeller 2;

The sidewall of housing 1 stretches out after roughly the middle part bends in opposite directions and forms small one and large one two containing spaces that are communicated with; One sidewall 11 of less containing space is provided with intake grill 110, and another relative sidewall 12 is provided with pilot hole 120;

Sidewall 11 also has portion of arching upward 111 and baffle plate 112; The portion 111 that wherein arches upward arches upward laterally along the periphery of intake grill 110 and forms depression simultaneously in the inboard; Baffle plate 112 inwardly protrudes out setting in portion 111 places that arch upward near this, and is approximately perpendicular to sidewall 11 along the circumferential laying of this intake grill 110.This portion 111 that arches upward together constitutes dual isolation with baffle plate 112.

Impeller 2 is installed in the less containing space of housing 1 and is complementary with intake grill 110; One end is through motor 3 and housing 1 mount; The edge that the opposite end cooperates with intake grill 110 is placed between the portion that arches upward 111 and baffle plate 112 of housing sidewall 11; And baffle plate 112 is blocked in the outside of impeller 2, and it highly is a bit larger tham the gap between impeller 2 and the housing 1, and diameter is a bit larger tham the maximum outside diameter of impeller 2.

Motor 3 is through pilot hole 120 mounts of housing 1.

The utility model makes air blast housing intake grill position by the portion that arches upward 111 of housing 1 and two isolations of baffle plate 112 into; Make of the rotation of the wind at intake grill 110 places through impeller 2; Form powerful blast, promote air and continue to advance, got rid of the trend that wind refluxes as much as possible; Make the air quantity and the wind speed of system's exhaust outlet be able to stablize, reach and satisfied client's requirement.

The utlity model has following advantage:

1, solved in the existing technology first kind of configuration state air and formed not the state of blast without impeller;

2, having overcome in the existing technology part wind gets into enclosure interior and receives windage effect and produce and reflux; And the hidden danger that the intake grill generation is streamed is got back in the gap between process impeller and the air blast housing intake grill again; Form continual and steady blast and air quantity, improved the overall performance of system.

The protection domain of non-so limitation the utility model so use the equivalence techniques variation that the utility model specification and diagramatic content do such as, all is contained in the protection domain of the utility model.

Claims

1. a blower for vehicle air conditioning assembly comprises housing and motor-driven impeller; One sidewall of said housing is provided with intake grill; Said impeller is installed in the said housing and with said intake grill and is complementary; It is characterized in that: said sidewall also has the portion of arching upward and baffle plate;

The said portion that arches upward lays along the periphery of said intake grill, arches upward laterally from the edge of said intake grill;

Said baffle plate is along the circumferential laying of this intake grill, in inwardly protruding out setting near this portion of arching upward place, and is approximately perpendicular to sidewall.

2. blower for vehicle air conditioning assembly as claimed in claim 1 is characterized in that: the edge that said impeller is connected with said intake grill is placed between said lug boss and the baffle plate.

3. blower for vehicle air conditioning assembly as claimed in claim 2 is characterized in that: said baffle plate is blocked in the said impeller outside, and it highly is a bit larger tham the gap between said impeller and the housing, and diameter is a bit larger tham said impeller maximum outside diameter.