CN213316734U

CN213316734U - Ventilation cabinet with external air introducing function and external air introducing mechanism thereof

Info

Publication number: CN213316734U
Application number: CN202021848398.1U
Authority: CN
Inventors: 肖益涛
Original assignee: Yamato Scientific Chongqing Co ltd
Current assignee: Yamato Scientific Chongqing Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-01
Anticipated expiration: 2030-08-28

Abstract

The application provides a ventilation cabinet with an external air introducing function and an external air introducing mechanism thereof, and relates to the technical field of experimental equipment, and the ventilation cabinet comprises an air suction pipe, an air suction fan and an air guide mechanism, wherein one end of the air suction pipe is communicated with the outside of a room, the other end of the air suction pipe is communicated with an air inlet end of the air suction fan, an air outlet end of the air suction fan is communicated with the air guide mechanism, the air guide mechanism comprises a shell and a plurality of rectifying plates, the shell is arranged at the upper end of the outer side of a glass lifting door of the ventilation cabinet and is arranged along the glass lifting door for supplying air to the; through introducing outdoor wind to blow off outside the glass-frame riser door of fume chamber through wind guiding mechanism, form the air curtain, avoid indoor air that is handled by the air conditioner by the fume chamber discharge, and the load that aggravates the air conditioner that leads to, the effectual energy consumption that has reduced.

Description

Ventilation cabinet with external air introducing function and external air introducing mechanism thereof

Technical Field

The application relates to the technical field of experimental equipment, in particular to a ventilation cabinet with an external air introducing function and an external air introducing mechanism thereof.

Background

In a research place such as a hospital, a school, various research institutes and the like, experimental research is frequently required, air pollution in a laboratory is often caused due to the use of various chemical substances in the laboratory, and some substances are bad in taste and harmful to health, so that the experimental research is required to be carried out by adopting a fume hood. The top of the conventional fume hood is only provided with an exhaust duct, and the exhaust fan works to discharge mixed indoor air such as harmful gas generated in the fume hood. If the room is used for air conditioning with constant indoor temperature, the air treated by the air conditioner is continuously pumped out of the room by the exhaust fan. In order to ensure the indoor temperature, the air conditioner is always in an operating state, and a lot of power is consumed.

SUMMERY OF THE UTILITY MODEL

A first objective of the present application is to provide an outer air introducing mechanism of a ventilation cabinet, which introduces outdoor air and blows out the air outside a glass lifting door of the ventilation cabinet through an air guiding mechanism to form an air curtain, so as to avoid the indoor air treated by an air conditioner from being discharged by the ventilation cabinet, and the load of the air conditioner is increased, thereby effectively reducing energy consumption.

A second object of the present application is to provide a ventilation hood with an outside air introducing function, in which the outside air introducing mechanism of the ventilation hood is attached to a ventilation hood body.

The embodiment of the application is realized by the following technical scheme:

the utility model provides an outer gas guiding-in mechanism of fume chamber, includes aspiration channel, suction fan and air guide mechanism, aspiration channel one end intercommunication is outdoor, and the aspiration channel other end intercommunication the air inlet end of suction fan, the air-out end intercommunication of suction fan air guide mechanism, air guide mechanism includes casing and a plurality of cowling panel, the casing install in the upper end in the fume chamber glass-door outside and along the setting of glass-door is used for mending the wind to the glass-door, a plurality of cowling panels from top to bottom locate in proper order the casing.

Furthermore, a louver is arranged in the air outlet of the shell and comprises a plurality of first louver modules which are sequentially arranged along the direction perpendicular to the glass lifting door.

Further, the blind further includes a second blind module perpendicular to the first blind module.

Furthermore, the first louver module farthest away from the glass lifting door blows air outwards, the first louver module closest to the glass lifting door blows air inwards, and the middle first louver modules are sequentially excessive.

Furthermore, the middle louver is provided with a plurality of vertically arranged first louver modules.

Further, the slats of the blind may be individually steerable.

Further, including two cowling panels, be first cowling panel and second cowling panel from top to bottom in proper order.

Further, first cowling panel is the arc, a plurality of ventilation slots have been seted up on the arc, the ventilation slot be on a parallel with glass-frame riser door, and the width of middle ventilation slot is greater than the ventilation slot on its both sides.

A fume hood with an outside air introducing function comprises a fume hood body and an outside air introducing mechanism of the fume hood, wherein the outside air introducing mechanism is installed at the upper end of the fume hood body.

Furthermore, the outer end of the air suction pipe is far away from the outer end of the exhaust duct of the fume hood body.

The technical scheme of the embodiment of the application has at least the following advantages and beneficial effects:

this application reasonable in design, simple structure are through introducing outdoor wind to blow off through wind guiding mechanism outside the glass-frame riser of fume chamber, form the air curtain, avoid indoor air that has been handled by the air conditioner by the fume chamber discharge, and the load that aggravates the air conditioner that leads to, the effectual energy consumption that has reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a fume hood with an external air introducing function according to embodiment 1 of the present application;

fig. 2 is a schematic structural view of an air guiding mechanism provided in embodiment 1 of the present application;

icon: 1-suction pipe, 2-suction fan, 3-wind guiding mechanism, 31-shell, 32-first rectifying plate, 321-ventilating slot, 33-second rectifying plate, 34-louver and 4-exhaust duct.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1

As shown in fig. 1 and fig. 2, the present embodiment provides an external air guiding mechanism of a ventilation hood, including an air suction pipe 1, a suction fan 2 and an air guiding mechanism 3, one end of the air suction pipe 1 is communicated with the outside of the room, the other end of the air suction pipe 1 is communicated with the air inlet end of the suction fan 2, the air outlet end of the suction fan 2 is communicated with the air guiding mechanism 3, the air guiding mechanism 3 includes a housing 31 and a plurality of rectifying plates, the housing 31 is installed at the upper end of the outside of a glass lifting door of the ventilation hood and is arranged along the glass lifting door for supplying air to the glass lifting door, the plurality of rectifying plates are sequentially arranged in the housing 31 from top to bottom, through introducing the outdoor air, and blowing out outside the glass lifting door of the ventilation hood through the air guiding mechanism 3, an air curtain is formed, the air treated by the air conditioner in the room is prevented from being.

In this embodiment, the louver 34 is disposed in the air outlet of the casing 31, and in order to reduce the loss of the air conditioned as much as possible, more preferably, the louver 34 includes a plurality of first louver modules disposed in sequence along the direction perpendicular to the glass-lifting door, the first louver module farthest from the glass-lifting door blows out, the first louver module closest to the glass-lifting door blows in, the middle first louver module crosses in sequence, and the louver farthest from the glass-lifting door blows out, so that the sucked outdoor air and the air conditioned indoor air form a rotational flow, thereby preventing the air conditioned by the indoor air from being sucked out by the ventilation hood, while the first louver module closest to the glass-lifting door blows in, so that enough outdoor air can enter the ventilation hood through the glass-lifting door, and further reducing the possibility of the air conditioned by the indoor air being sucked out, more optimized, middle shutter 34 is equipped with the first shutter module of a plurality of vertical settings, and the design more than adopting, middle first shutter module carries out vertical blowing, forms the structure similar to the air curtain, plays certain isolated effect, and the wind in its outside plays the vortex effect to the room air, and the new trend is mended into to its inboard wind direction fume chamber. Often need adjust the direction of blowing according to the actual use scene, for this reason, in this embodiment, shutter 34's shutter can turn to alone, during the use, adjusts shutter 34's direction according to the use scene for energy-conserving effect is better, and in some embodiments, for the discharge that the air current is more even, the shutter still includes with first shutter module vertically second shutter module, adopts above design, has carried out rectification again in other words, thereby realizes the even discharge of air current.

Particularly, this device includes two cowling panels, be first cowling panel 32 and second cowling panel 33 from top to bottom in proper order, in some embodiments, first cowling panel 32 and second cowling panel 33 all can adopt the mesh cowling panel, in order to play good rectification effect, first cowling panel 32 is the arc, a plurality of ventilation slots 321 have been seted up on the arc, ventilation slots 321 are on a parallel with glass overhead door, and the width of middle ventilation slot 321 is greater than the ventilation slot 321 on its both sides, design more than adopting, can make the quick rectification of air current, make even distribution of whole air current in casing 31, and then make the wind of going out from the air outlet be evenly distributed, play good isolation effect.

Example 2

The embodiment provides a fume chamber with an outside air introducing function, which comprises a fume chamber body and an outside air introducing mechanism of the fume chamber provided by the embodiment 1, wherein the outside air introducing mechanism is installed at the upper end of the fume chamber body. In order to avoid toxic gas exhausted by the fume hood from being sucked into a room by an external air introducing mechanism, the outer end of the air suction pipe 1 is far away from the outer end of the exhaust duct 4 of the fume hood body.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An outside air introducing mechanism of a ventilation hood, characterized in that: including aspiration channel, suction fan and air guide mechanism, aspiration channel one end intercommunication is outdoor, and the aspiration channel other end intercommunication the air inlet end of suction fan, the air-out end intercommunication of suction fan air guide mechanism, air guide mechanism includes casing and a plurality of cowling panel, the casing is installed in the upper end in the fume chamber glass-frame riser outside and is used for mending the wind to the glass-frame riser along the setting of glass-frame riser, a plurality of cowling panels are from top to bottom located in the casing in proper order.

2. The outside air introducing mechanism for the ventilation hood according to claim 1, comprising: a louver is arranged in the air outlet of the shell and comprises a plurality of first louver modules which are sequentially arranged along the direction perpendicular to the glass lifting door.

3. The outside air introducing mechanism of the ventilation hood according to claim 2, comprising: the shutter also includes a second shutter module perpendicular to the first shutter module.

4. The outside air introducing mechanism of the ventilation hood according to claim 2, comprising: the first louver module farthest away from the glass lifting door blows air outwards, the first louver module closest to the glass lifting door blows air inwards, and the middle first louver modules are sequentially excessive.

5. The outside air introducing mechanism of the ventilation hood according to claim 4, comprising: the middle louver is provided with a plurality of vertically arranged first louver modules.

6. The outside air introducing mechanism of the ventilation hood according to claim 2, comprising: the slats of the blind can be individually turned.

7. The outside air introducing mechanism for the ventilation hood according to claim 1, comprising: including two cowling panels, be first cowling panel and second cowling panel from top to bottom in proper order.

8. The outside air introducing mechanism of the ventilation hood according to claim 7, comprising: first cowling panel is the arc, a plurality of ventilation grooves have been seted up on the arc, the ventilation groove is on a parallel with glass-frame riser door, and the width of middle ventilation groove is greater than the ventilation groove on its both sides.

9. The utility model provides a take fume chamber of leading-in function of outer gas which characterized in that: an outside air introducing mechanism comprising a hood body and the hood according to any one of claims 1 to 8, the outside air introducing mechanism being attached to an upper end of the hood body.

10. The fume hood with an air introducing function according to claim 9, wherein: the outer end of the air suction pipe is far away from the outer end of the exhaust duct of the fume hood body.