CN218775345U

CN218775345U - Fume hood

Info

Publication number: CN218775345U
Application number: CN202221908482.7U
Authority: CN
Inventors: 陈杰; 许必海
Original assignee: Jiangsu Zhongwo Intelligent Engineering Co ltd
Current assignee: Jiangsu Zhongwo Intelligent Engineering Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-03-31
Anticipated expiration: 2032-07-21

Abstract

The present disclosure relates to fume hoods. This fume hood includes: the air supply device, the air exhaust device, the upper cabinet body and the lower cabinet body are arranged in the cabinet body; the air supplement device comprises: supply with wind fan and supply with wind tuber pipe, exhaust device includes: an exhaust fan and an exhaust air pipe; the upper cabinet body is connected with the top of the lower cabinet body; an openable glass window is arranged on the front end surface of the upper cabinet body; an air inlet of the air supplementing fan is communicated with the outdoor environment, an air outlet of the air supplementing fan is connected with an air inlet of an air supplementing air pipe, and an air outlet of the air supplementing air pipe is communicated with the inside of the upper cabinet body; the air inlet of the air exhaust pipe is communicated with the interior of the upper cabinet body, the air outlet of the air exhaust pipe is connected with the air inlet of the exhaust fan, and the air outlet of the exhaust fan is communicated with the outdoor environment; the upper cabinet body is also provided with an air supplementing channel, an air inlet of the air supplementing channel is communicated with the indoor environment, an air outlet of the air supplementing channel is communicated with the inner side of the upper cabinet body, and the fume cupboard can supply air from the outside through an air supplementing fan and also supply air from the indoor through the air supplementing channel, so that the energy-saving purpose is achieved.

Description

Fume hood

Technical Field

The present disclosure relates to fume hood technology, and more particularly, to a fume hood.

Background

When a common fume hood is opened, a large amount of air needs to be absorbed from a room, and facilities such as an air conditioner and the like are arranged in the common room to regulate the indoor air environment, so that the energy consumption of the air conditioner is multiplied by the opening of the fume hood, and a large amount of energy is lost.

SUMMERY OF THE UTILITY MODEL

To overcome the problems in the related art, embodiments of the present disclosure provide a fume hood. The technical scheme is as follows:

according to a first aspect of embodiments of the present disclosure, there is provided a fume hood, comprising:

the air supply device, the air exhaust device, the upper cabinet body and the lower cabinet body;

the air supply device comprises: supply with wind fan and supply with wind tuber pipe, exhaust device includes: an exhaust fan and an exhaust air pipe;

the upper cabinet body is connected with the top of the lower cabinet body;

an openable glass window is arranged on the front end face of the upper cabinet body;

an air inlet of the air supplementing fan is communicated with the outdoor environment, an air outlet of the air supplementing fan is connected with an air inlet of the air supplementing air pipe, and an air outlet of the air supplementing air pipe is communicated with the inside of the upper cabinet body;

the air inlet of the air exhaust pipe is communicated with the interior of the upper cabinet body, the air outlet of the air exhaust pipe is connected with the air inlet of the exhaust fan, and the air outlet of the exhaust fan is communicated with the outdoor environment;

the upper cabinet body is further provided with an air supplementing channel, an air inlet of the air supplementing channel is communicated with the indoor environment, and an air outlet of the air supplementing channel is communicated with the inner side of the upper cabinet body.

The utility model provides an air inlet mode of two kinds of fume hoods, one kind is from outdoor air inlet through mending the wind fan, one kind is from indoor air inlet through mending the wind passageway, and when using, the air inlet mode of fume hood can be selected according to service environment, can select the air that accords with experimental environment from indoor extraction to what have the environmental requirement experimental had, does not have environmental requirement to the experiment can open external air supply mode from outdoor extraction air to reach energy-conserving purpose.

In one embodiment, the air outlet of the air supplementing pipe is communicated with the inside of the upper cabinet body through the top of the upper cabinet body.

In one embodiment, the air inlet of the exhaust air pipe is communicated with the inside of the upper cabinet body through the top of the upper cabinet body.

In one embodiment, the air supplementing channel is arranged on both side walls of the upper cabinet body.

In one embodiment, the air supply channel is positioned at the lower side of two side walls of the upper cabinet body.

In one embodiment, the front side of the upper cabinet body is also provided with the air supplementing channel.

In one embodiment, the air outlets of the air supply pipes are respectively communicated with the air outlets of the air supply channels.

In one embodiment, further comprising: starting and stopping the inductor;

the start-stop inductor is electrically connected with the air supplementing fan and used for controlling the working state of the air supplementing fan according to the opening and closing state of the openable glass window.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic diagram of a fume hood configuration shown in accordance with an exemplary embodiment.

Fig. 2 is a front view of a fume hood shown in accordance with an exemplary embodiment.

Fig. 3 is a side view of a fume hood shown according to an exemplary embodiment.

Fig. 4 is a top view of a fume hood shown in accordance with an exemplary embodiment.

Fig. 5 is a schematic structural view of a ventilation structure according to an exemplary embodiment.

Fig. 6 is an electrical diagram of a fume hood shown in accordance with an exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Fig. 1 is a schematic structural view of a fume hood shown in accordance with an exemplary embodiment, fig. 2 is a front view of a fume hood shown in accordance with an exemplary embodiment, fig. 3 is a side view of a fume hood shown in accordance with an exemplary embodiment, and fig. 4 is a top view of a fume hood shown in accordance with an exemplary embodiment, as shown in fig. 1-4, the fume hood comprising:

the air supply device 1, the exhaust device 2, the upper cabinet body 3 and the lower cabinet body 4;

the air supply device comprises: make up wind fan 11 and make up wind tuber pipe 12, exhaust device includes: an exhaust fan 21 and an exhaust air duct 22;

the upper cabinet body 3 is connected with the top of the lower cabinet body 4;

an openable and closable glass window 31 is arranged on the front end surface of the upper cabinet body 3;

an air inlet of the air supplementing fan 11 is communicated with the outdoor environment, an air outlet of the air supplementing fan 11 is connected with an air inlet of an air supplementing air pipe 12, and an air outlet of the air supplementing air pipe 12 is communicated with the inside of the upper cabinet body 3;

in one embodiment, the air outlet of the air supply duct 12 is communicated with the inside of the upper cabinet 3 through the top of the upper cabinet 3.

An air inlet of the air exhaust duct 22 is communicated with the inside of the upper cabinet body 3, an air outlet of the air exhaust duct 22 is connected with an air inlet of the exhaust fan 21, and an air outlet of the exhaust fan 21 is communicated with the outdoor environment;

in one embodiment, the air inlet of the exhaust air duct 22 communicates with the inside of the upper cabinet 3 through the top of the upper cabinet 3.

The upper cabinet body 3 is further provided with an air supplementing channel 32, an air inlet of the air supplementing channel 32 is communicated with the indoor environment, and an air outlet of the air supplementing channel 32 is communicated with the inner side of the upper cabinet body 3.

In one embodiment, the air supply channel 32 is provided on both side walls of the upper cabinet 3.

In one embodiment, the air supply channel 32 is located at the lower side of the two side walls of the upper cabinet 3.

In one embodiment, the front side of the upper cabinet 3 is also provided with an air supplement channel 32.

Fig. 5 is a schematic structural diagram illustrating a ventilation structure according to an exemplary embodiment, and as shown in fig. 5, the air outlets of the air supply pipes 12 are respectively communicated with the air outlets of the air supply channels 32.

When the air supply fan 11 is turned on, the fresh air from the outside is drawn by the air supply fan 11 and sent into the air diffuser (i.e. the air outlet of the air supply channel 32 in the figure) embedded in the fume hood through the air supply duct 12, and then is uniformly delivered into the fume hood by the air diffuser.

According to the fume hood provided by the disclosure, when the openable glass window 31 of the fume hood is opened, the air supplementing fan 11 is in a closed state, and air is supplemented by indoor air, but because the fume hood uses the indoor air for supplementing air, cold and hot air in a room can be taken away, so that energy is lost; when the openable glass window 31 of the fume hood is closed, the air supplementing fan 11 is opened to supplement air by outdoor air, and because natural air supplement is adopted, indoor air is not needed, thereby achieving the effect of saving energy.

The utility model provides an air inlet mode of two kinds of fume hoods, one kind is from outdoor air inlet through mending the wind fan, one kind is from indoor air inlet through mending wind passageway 32, and when using, the air inlet mode of fume hood can be selected according to service environment, can select the air that accords with experimental environment from indoor extraction to having the environmental requirement to the experiment, does not have the external air extraction air from outdoor of mode of mending of environmental requirement to the experiment to reach energy-conserving purpose.

Wherein, the realization mode through indoor air inlet is similar to that in the correlation technique, and the repeated description is omitted here.

Because the fume hood disclosed by the invention has two air inlet modes, a manual/automatic change-over switch of the air supplementing fan 11 can be arranged on the fume hood, when the fume hood is switched to the manual mode, the air supplementing fan 11 of the fume hood is controlled by the manual switch, when the fume hood is switched to the automatic mode, the air supplementing fan 11 of the fume hood is controlled by a limit switch, an electrical diagram is shown in figure 6, at the moment, when an openable and closable glass window 31 of the fume hood is opened, the air supplementing fan 11 is automatically closed, indoor air is supplemented, and when the openable and closable glass window 31 is closed, the air supplementing fan 11 is automatically opened to extract outdoor air.

In one embodiment, further comprising: a limit switch;

the limit switch is electrically connected with the air supplement fan 11 and is used for controlling the working state of the air supplement fan 11 according to the opening and closing state of the openable and closable glass window 31.

Illustratively, the limit switch includes: and (5) starting and stopping the sensor.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A fume hood, comprising:

the air supplement device comprises: make up wind fan and make up the wind tuber pipe, exhaust device includes: an exhaust fan and an exhaust air pipe;

the upper cabinet body is connected with the top of the lower cabinet body;

2. The fume hood according to claim 1, wherein an air outlet of the air supply duct communicates with the interior of the upper cabinet body through the top of the upper cabinet body.

3. The fume hood as claimed in claim 1, wherein the air inlet of the air exhaust duct is communicated with the inside of the upper cabinet body through the top of the upper cabinet body.

4. A fume hood according to claim 1, wherein the air supply channel is provided in both side walls of the upper cabinet body.

5. A fume hood according to claim 4, characterized in that said air supply duct is located on the lower side of the two side walls of said upper cabinet.

6. A fume hood according to claim 5, characterized in that the front side of the upper cabinet body is also provided with said air supply duct.

7. A fume hood according to any one of claims 4-6, characterized in that the air outlets of the air supply ducts are respectively communicated with the air outlets of the air supply channels.

8. A fume hood as claimed in claim 1 further comprising: starting and stopping the inductor;