CN2153663Y

CN2153663Y - Bidirectional ventilator

Info

Publication number: CN2153663Y
Application number: CN 93201569
Authority: CN
Inventors: 王伟国
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-20
Filing date: 1993-01-20
Publication date: 1994-01-19
Anticipated expiration: 2003-01-20

Abstract

The utility model relates to a bidirectional ventilator which is especially suitable for bidirectional ventilating environment. The utility model is provided with a vortex line-shaped machine housing whose interior is provided with a cylindrical inner wall connected with the machine housing, and the inner wall divides the machine housing into an inner cavity and an outer cavity. An impeller is composed of a wheel hub, an axial flow type vane and a centrifugal type vane which form the integration. The axial flow type vane is positioned in the inner cavity, the centrifugal type vane is positioned in the outer cavity, a motor connected with the wheel hub of the impeller is arranged on a supporting frame fixed to the inner wall. The utility model has the first advantage that the utility model can discharge the foul gas in the sealing space as well as transmit the fresh air in the sealing space from the exterior; the second advantage is the simplification of equipment installation; the third advantage is expense saving.

Description

Bidirectional ventilator

The utility model relates to a kind of ventilator, is specially adapted to bidirectional ventilated environment.

Known ventilator has axial flow and centrifugal two kinds, they respectively have an intake grill and exhaust port, environment when a sealing, when for example computer room or enclosed test room need ventilation, just need two typhoon machines to work simultaneously, a typhoon machine is discharged indoor dirty gas, and another is by external world's input fresh air, expense is increased, also cause many troubles to installation.

The purpose of this utility model is to provide a kind of bidirectional ventilated machine, makes it discharge dirty gas from the space of sealing, can suck fresh air from the external world again simultaneously, to reach bidirectional ventilated purpose.

The bidirectional ventilated machine of the utility model has casing and impeller, its feature is: casing is a spiral line shape, the inwall that has one and its to join in casing and stretch out casing is divided into the air intake passage that annular space between inner chamber and exocoel, casing and the inwall constitutes exocoel to casing, the opening at the major diameter place of spiral line shape casing is the air-out passage of exocoel; Impeller is by being contained on the wheel hub and being arranged in the axial blade of inner chamber and being integral with blade-shaped and the centrifugal blade that is arranged in exocoel constitutes, impeller by motor by the bracket supports that is fixed on the inwall.

The utility model can also be realized by following measure:

One cylindrical outer wall of axially stretching out is arranged on casing, and its end is connected with inwall by plate and an opening is radially being arranged, the toroidal cavity between inwall and the outer wall, and the annular space between this toroidal cavity and casing and the inwall constitutes the air intake passage of exocoel.

The utility model compared with prior art has following advantage:

1. because this bidirectional ventilated machine is to form one by centrifugal fan and axial fan, therefore can reach bidirectional ventilated effect, especially need to discharge the dirty gas in the space for a closed space (as the test room of computer room, sealing etc.), when sucking fresh air simultaneously, just can achieve the goal with one in the bidirectional ventilated machine of the utility model.Because it can be discharged the dirty gas of enclosed space by the passage that inwall constitutes by axial--flow blading, again can be by fusing with axial--flow blading and being positioned at the centrifugal blade of exocoel and vortex filament shape housing, inwall, its air intake passage, the exhaust port on the eddy current shape housing is delivered to enclosed space to outside fresh air.

2. because the bidirectional ventilated machine of the utility model can play the effect of two ventilators, equipment is installed oversimplified, expense and expenditure are significantly reduced.

Description of drawings is as follows:

Fig. 1 is the longitudinal sectional view of the bidirectional ventilated machine of the utility model;

Fig. 2 is that the A of Fig. 1 is to view.

Now in conjunction with the accompanying drawings the utility model is further described:

Among the figure 1 is vortex filament shape casing, 4 is inwall, it makes inwall and vortex filament shape casing form one by support 7, motor 2 is fixed on the support 7, by wheel hub, axial--flow blading 31, the impeller that centrifugal blade 32 forms one is contained on the output shaft of motor, axial--flow blading 31 is positioned at inner chamber 5 the insides that inwall 4 forms, centrifugal blade 32 is positioned at the exocoel 6 of inwall 4 and 1 formation of vortex filament shape casing, one end of cylindrical outer wall 8 is fixed on the vortex filament shape casing 1, and the other end is connected with inwall by plate 11, and opening 9 is arranged on outer wall, intake grill as exocoel, 12 is the exhaust port of vortex filament shape housing, and when actuating motor 2, the motor output shaft impeller is rotated, axial--flow blading 31 is sent into the air in casing left side the right side of this bidirectional ventilated machine by inner chamber, centrifugal blade passes through opening 9 to this bidirectional ventilated machine near near the air the right side, toroidal cavity 10, and exocoel 6 and exhaust port 12 are discharged.

Claims

1, a kind of bidirectional ventilated machine is specially adapted to bidirectional ventilated environment, and it has casing [1], is contained in the impeller on motor [2] output shaft, it is characterized in that:

(1) casing [1] is a spiral line shape, has one to join with it and the tubular inwall [4] that stretches out casing is divided into inner chamber [5] and exocoel [6] to casing [1] in casing [1], and the annular space between casing and the inwall constitutes the air intake passage of exocoel [6];

(2) impeller [3] is by being contained on the wheel hub and being arranged in the axial blade [31] of inner chamber [5] and the centrifugal blade [32] that forms one with blade [31] and be arranged in exocoel [6] constitutes, and impeller is supported by the support [7] that is fixed on the inwall by motor [2].

2, bidirectional ventilated machine according to claim 1, it is characterized in that: a cylindrical outer wall of axially stretching out ［ 8 ］ is arranged on casing 1, the end joins by plate ［ 11 ］ and inwall ［ 4 ］, and opening ［ 9 ］ is radially arranged, and the toroidal cavity between its inwall and the outer wall constitutes the air intake passage of exocoel ［ 6 ］.