CN220134246U

CN220134246U - Wind pressure resistance detection device of ventilator

Info

Publication number: CN220134246U
Application number: CN202320746733.4U
Authority: CN
Inventors: 梁金儒; 黄永创; 徐健都; 解博超; 李清泉
Original assignee: Guangdong Nedfon Air System Co Ltd
Current assignee: Guangdong Nedfon Air System Co Ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-12-05
Anticipated expiration: 2033-04-06

Abstract

The utility model provides a wind pressure resistance detection device of a ventilator, comprising: a mounting frame, a blower and a smoke generator; the mounting frame is provided with a through hole for mounting the ventilator; the air blower and the smoke generator are respectively arranged on two opposite sides of the mounting frame, the air blower can blow towards the mounting frame, and the smoke generator can convey smoke to the mounting frame. Compared with the prior art, the wind pressure resistance detection device of the ventilator provided by the utility model can judge whether the ventilator can resist wind pressure according to whether smoke can be discharged to the side close to the blower by the ventilator from the side of the mounting frame far away from the blower under the condition that the blowers are mutually opposed by the ventilator.

Description

Wind pressure resistance detection device of ventilator

Technical Field

The utility model relates to the technical field of air conditioning, in particular to a wind pressure resistance detection device of a ventilator.

Background

A ventilating fan (fan) is an air-conditioning electric appliance which uses a motor to drive a fan blade to rotate so as to drive air flow and make indoor and outdoor air exchange. Also known as a ventilation fan. The purpose of ventilation is to remove the polluted air in the room and regulate the temperature, humidity and feel effect. The ventilator is widely applied to families and public places.

At the position of the high floor, the normal operation of the ventilator can be influenced due to the fact that the outdoor wind pressure is large, whether the ventilator can resist the outdoor wind pressure is an important factor of whether the ventilator can normally operate or not, but the detection is troublesome by being directly installed at the high floor.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings in the prior art and provides a wind pressure resistance detection device of a ventilator.

An embodiment of the present utility model provides a wind pressure resistance detection device of a ventilator, including: a mounting frame, a blower and a smoke generator;

the mounting frame is provided with a through hole for mounting the ventilator;

the air blower and the smoke generator are respectively arranged on two opposite sides of the mounting frame, the air blower can blow towards the mounting frame, and the smoke generator can convey smoke to the mounting frame.

Compared with the prior art, the wind pressure resistance detection device of the ventilator provided by the utility model can judge whether the ventilator can resist wind pressure according to whether smoke can be discharged to the side close to the blower by the ventilator from the side of the mounting frame far away from the blower under the condition that the blowers are mutually opposed by the ventilator.

In some optional embodiments, a smoke diffusion cavity is arranged on one side, away from the blower, of the mounting frame, the smoke diffusion cavity is communicated with the through hole, an air inlet is arranged in the smoke diffusion cavity, and the smoke generator is communicated with the smoke diffusion cavity.

In some alternative embodiments, an opening is formed on one side of the smoke diffusion chamber away from the blower, a shutter is installed in the opening, the opening and the shutter surround the air inlet, and the smoke generator is communicated with the smoke diffusion chamber after passing through the shutter.

In some alternative embodiments, the shutter is removably mounted on the mounting bracket.

In some optional embodiments, positioning grooves are respectively formed in two sides of the opening, positioning blocks are respectively arranged on two side edges of the shutter, and the positioning blocks correspondingly extend into the positioning grooves.

In some optional embodiments, a limiting groove is formed in the bottom of the positioning groove, and the positioning block extends into the limiting groove.

In some alternative embodiments, a smoke inlet is provided on the shutter, the smoke inlet being in communication with the smoke diffusing chamber, the smoke generator extending into the smoke inlet.

In some alternative embodiments, the air inlet is located above the smoke inlet.

In some optional embodiments, a detection cavity is provided on a side of the mounting frame away from the smoke generator, the detection cavity is communicated with the through hole, a vent is provided on a side of the detection cavity away from the through hole, and the blower can blow to the detection cavity through the vent.

In some optional embodiments, a detection cavity is arranged on one side, away from the smoke generator, of the mounting frame, a smoke diffusion cavity is arranged on one side, away from the blower, of the mounting frame, a mounting plate is arranged between the detection cavity and the smoke diffusion cavity, the through hole is formed in the mounting plate, the detection cavity is communicated with the through hole, a vent is formed in one side, away from the through hole, of the detection cavity, the blower can blow air to the detection cavity through the vent, the smoke diffusion cavity is communicated with the detection cavity through the vent, an air inlet is formed in the smoke diffusion cavity, and the smoke generator is communicated with the smoke diffusion cavity;

the mounting plate with the mounting bracket can be dismantled and be connected.

In order that the utility model may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a wind pressure resistance detecting device of a ventilator according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a wind pressure resistance detecting device of a ventilator according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a wind pressure resistance detecting apparatus of a ventilator according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a mount according to one embodiment of the present utility model;

fig. 5 is an enlarged view at a shown in fig. 4.

Reference numerals illustrate:

10. a mounting frame; 11. a through port; 12. a smoke diffusion chamber; 13. an air inlet; 14. masking the door; 141. a positioning block; 142. a smoke inlet; 15. a positioning groove; 16. a limit groove; 17. a detection chamber; 18. a mounting plate; 20. a blower; 30. a smoke generator; 40. and a ventilation fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is 2 or more, and the meaning of "several" is 1 or more.

Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a wind pressure resistance detecting device of a ventilator according to an embodiment of the present utility model, fig. 2 is a schematic structural view of one side of the wind pressure resistance detecting device of a ventilator according to an embodiment of the present utility model, and fig. 3 is a cross-sectional view of the wind pressure resistance detecting device of a ventilator according to an embodiment of the present utility model, the wind pressure resistance detecting device of a ventilator comprising: a mounting frame 10, a blower 20 and a smoke generator 30.

The mounting frame 10 is provided with a through hole 11 for installing a ventilating fan, the ventilating fan is installed at the through hole 11 and used for pumping air on one side of the mounting frame 10 close to the smoke generator 30 to one side of the mounting frame 10 close to the blower 20. The blower 20 and the smoke generator 30 are respectively disposed at opposite sides of the mounting frame 10. The blower 20 can blow towards the mounting frame 10, the blower 20 is used for simulating outdoor wind pressure of a high floor, and the wind force blown by the blower 20 can be adjusted according to actual detection requirements. The smoke generator 30 is capable of delivering smoke to the mounting 10. When detecting, start scavenger fan and hair-dryer 20, wait that scavenger fan and hair-dryer 20 operation is stable after, start fog generator 30, fog generator 30 blowout smog, then observe the flow direction condition of smog, according to smog can be with the smog row to the one side direction that mounting bracket 10 is close to hair-dryer 20 under scavenger fan operational aspect, judge whether scavenger fan reaches the effect of anti outer wind pressure under normal operating condition. If the ventilator is able to overcome the wind pressure of the blower 20 and thereby expel smoke to the side of the mounting frame 10 adjacent to the blower 20, this indicates that the ventilator is acceptable for wind pressure resistance.

In order to improve the detection accuracy, in some optional embodiments, a smoke diffusing cavity 12 is disposed on a side of the mounting frame 10 away from the blower 20, the smoke diffusing cavity 12 is communicated with the through hole 11, an air inlet 13 is disposed in the smoke diffusing cavity 12, external air enters the smoke diffusing cavity 12 from the air inlet 13, the smoke generator 30 is communicated with the smoke diffusing cavity 12, and smoke sprayed by the smoke generator 30 is pumped to the blower 20 by a ventilator after being uniformly diffused in the smoke diffusing cavity 12 in advance, so that simulation of actual conditions is facilitated.

To facilitate the formation of the smoke diffusing chamber 12, in some alternative embodiments, an opening is formed in the side of the smoke diffusing chamber 12 remote from the blower 20, a shutter 14 is mounted in the opening, the opening and the shutter 14 surround the air inlet 13, and the smoke generator 30 is in communication with the smoke diffusing chamber 12 after passing through the shutter 14.

Referring now to fig. 4-5, fig. 4 is an exploded view of a mounting bracket according to an embodiment of the present utility model, and fig. 5 is an enlarged view of a shown in fig. 4, wherein in some alternative embodiments, the shutter 14 is removably mounted to the mounting bracket 10. The installation mode of the door 14 may be selected according to actual needs, for example. The door 14 is connected to the mounting frame 10 by a threaded connection or snap-fit arrangement. In some optional embodiments, positioning grooves 15 are respectively disposed on two sides of the opening, positioning blocks 141 are respectively disposed on two sides of the door 14, the positioning blocks 141 correspondingly extend into the positioning grooves 15, and the door 14 is positioned on the mounting frame 10 by using the dead weight and the cooperation between the positioning grooves 15 and the positioning blocks 141. Preferably, a limiting groove 16 is provided at the bottom of the positioning groove 15, the positioning block 141 extends into the limiting groove 16, the positioning groove 15 has a side opening, the positioning block 141 on the door 14 enters into the positioning groove 15 from the side opening and then is clamped into the limiting groove 16, thereby limiting the movement of the door 14 in the horizontal direction, the door 14 is difficult to move in the vertical direction by the dead weight of the door 14, and further the detachable connection of the door 14 and the mounting frame 10 is realized.

To facilitate communication of the smoke generator 30 with the smoke diffusing chamber 12, in some alternative embodiments, a smoke inlet 142 is provided in the shutter 14, the smoke inlet 142 being in communication with the smoke diffusing chamber 12, the smoke generator 30 extending into the smoke inlet 142.

In some alternative embodiments, the air inlet 13 is located above the smoke inlet 142, so that the smoke is diffused upward, thereby facilitating the self-diffusion of the smoke in the smoke diffusion chamber 12, and when the ventilator draws air, the air flow enters from the air inlet 13, thereby preventing the smoke from escaping from the air inlet 13.

In some alternative embodiments, a detection chamber 17 is disposed on a side of the mounting frame 10 away from the smoke generator 30, the detection chamber 17 is in communication with the through hole 11, a ventilation opening is disposed on a side of the detection chamber 17 away from the through hole 11, and the blower 20 can blow air to the detection chamber 17 through the ventilation opening. If smoke can be observed to escape from the vent, the performance of the ventilator against wind pressure is acceptable. In this embodiment, a detection cavity 17 is disposed on a side of the mounting frame 10 away from the smoke generator 30, a smoke diffusion cavity 12 is disposed on a side of the mounting frame 10 away from the blower 20, a mounting plate 18 is disposed between the detection cavity 17 and the smoke diffusion cavity 12, the through hole 11 is disposed on the mounting plate 18, the detection cavity 17 is communicated with the through hole 11, a ventilation opening is disposed on a side of the detection cavity 17 away from the through hole 11, the blower 20 can blow air to the detection cavity 17 through the ventilation opening, the smoke diffusion cavity 12 is communicated with the detection cavity 17 through the through hole 11, an air inlet 13 is disposed in the smoke diffusion cavity 12, and the smoke generator 30 is communicated with the smoke diffusion cavity 12; the mounting plate 18 is detachably connected with the mounting frame 10, so that the ventilator is conveniently mounted on the mounting frame 10 after the ventilator is mounted on the mounting plate 18, and the structure of the mounting frame 10 is prevented from interfering with the mounting of the ventilator. The mounting plate 18 may be removably coupled to the mounting frame 10 by a threaded connection or a snap-fit arrangement.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wind pressure resistance detection device of scavenger fan which characterized in that includes: a mounting frame, a blower and a smoke generator;

the mounting frame is provided with a through hole for mounting the ventilator;

2. The wind pressure resistance detection device of a ventilator according to claim 1, wherein: one side of the mounting frame, which is far away from the blower, is provided with a smoke diffusion cavity which is communicated with the through hole, an air inlet is arranged in the smoke diffusion cavity, and the smoke generator is communicated with the smoke diffusion cavity.

3. The wind pressure resistance detection device of a ventilator according to claim 2, wherein: the smoke diffusion cavity is far away from one side of the blower to form an opening, a shutter is installed in the opening, the opening and the shutter surround to form the air inlet, and the smoke generator is communicated with the smoke diffusion cavity after passing through the shutter.

4. The wind pressure resistance detection device of a ventilator according to claim 3, wherein: the door is detachably mounted on the mounting frame.

5. The wind pressure resistance detection device of a ventilator according to claim 4, wherein: positioning grooves are formed in two sides of the opening respectively, positioning blocks are arranged on two side edges of the shutter respectively, and the positioning blocks correspondingly extend into the positioning grooves.

6. The wind pressure resistance detection device of a ventilator according to claim 5, wherein: the bottom of the positioning groove is provided with a limiting groove, and the positioning block extends into the limiting groove.

7. The wind pressure resistance detection device of a ventilator according to claim 3, wherein: the smoke inlet is arranged on the shutter and communicated with the smoke diffusion cavity, and the smoke generator stretches into the smoke inlet.

8. The wind pressure resistance detection device of a ventilator according to claim 7, wherein: the air inlet is positioned above the smoke inlet.

9. The wind pressure resistance detection device of a ventilator according to any one of claims 1 to 7, wherein: one side of the mounting frame, which is far away from the smoke generator, is provided with a detection cavity, the detection cavity is communicated with the through hole, one side of the detection cavity, which is far away from the through hole, is provided with a vent, and the blower can blow the air to the detection cavity through the vent.

10. The wind pressure resistance detection device of a ventilator according to any one of claims 1 to 7, wherein: the device comprises a mounting frame, a smoke generator, a smoke diffusion cavity, a mounting plate, a vent, an air inlet and an air inlet, wherein the mounting frame is provided with a detection cavity on one side far away from the smoke generator, the smoke diffusion cavity is arranged on one side far away from the air blower, the mounting frame is provided with the smoke diffusion cavity on one side far away from the air blower, the mounting plate is provided with the mounting plate between the detection cavity and the smoke diffusion cavity, the vent is communicated with the detection cavity, the air blower can blow air to the detection cavity through the vent, the smoke diffusion cavity is communicated with the detection cavity through the vent, and the smoke generator is communicated with the smoke diffusion cavity;