CN216911459U

CN216911459U - Can set up intelligent fume chamber that time delay shut down

Info

Publication number: CN216911459U
Application number: CN202220658180.2U
Authority: CN
Inventors: 董鑫涛; 董正先
Original assignee: Tianchang Yida Experimental Equipment Co ltd
Current assignee: Tianchang Yida Experimental Equipment Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-08
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses an intelligent fume hood capable of setting time delay shutdown, which comprises a base, a ventilating device and a console, wherein the ventilating device is positioned above the base, the top of the ventilating device is provided with an exhaust pipe, the top of the inner wall of a ventilating window is provided with a ventilating slot, the inner wall of the ventilating slot is provided with an electric fan, the console is arranged on the side wall of the ventilating device, a time delay button is arranged on the console, a time delay relay is embedded in a groove on the surface of the console, the time delay relay is electrically connected with a switch of the fume hood through a wire, when an experimenter needs to leave, the time delay button is pressed down and transmits a signal to the time delay relay, the time delay relay starts to count down, when the time is up, the time delay relay disconnects the power supply of the fume hood, and the fume hood is shut down. The fume chamber is immediately closed, and there is residual polluted gas in the laboratory, causes the problem of laboratory environmental pollution.

Description

Can set up intelligent fume chamber that time delay shut down

Technical Field

The utility model relates to the technical field of fume hoods, in particular to an intelligent fume hood capable of setting delayed shutdown.

Background

The fume chamber is in the use, guarantee the abundant emission of all kinds of waste gas and smog that produce in the experimentation through the effect of exhaust fan to outdoor or exhaust-gas treatment tower, can not cause the pollution to the laboratory environment, also guarantee laboratory staff's safety simultaneously, be the essential equipment among chemical experiment and the biological experiment process, but when staff stop work need leave many times, will close the fume chamber immediately, still can remain some waste gas etc. this moment indoor, can cause the pollution to operational environment.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

Therefore, the utility model aims to provide the intelligent fume hood capable of setting the delayed shutdown, which replaces the traditional fume hood shutdown mode, and solves the problem that when workers stop working and need to leave, the fume hood is immediately closed, and residual polluted gas exists in a laboratory, so that the laboratory environment is polluted.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:

the utility model provides an intelligent fume chamber that can set up time delay and shut down, it includes:

the top of the base is provided with a connecting plate;

the ventilating device is arranged at the top of the connecting plate and provided with a ventilating window, an exhaust pipe is arranged at the top of the ventilating device, a ventilating groove is formed in the top of the inner wall of the ventilating window and communicated with the inner cavity of the ventilating window, one end, away from the ventilating window, of the ventilating groove is communicated with the inner cavity of the exhaust pipe, an electric fan is arranged on the inner wall of the ventilating groove, and a mounting strip is arranged on the side wall of the ventilating device;

the control platform is arranged on the side wall of the ventilation device, the bottom of the control platform is connected with the top of the mounting bar, a delay button is arranged on the control platform, a delay relay is embedded in a groove in the surface of the control platform, the delay relay is electrically connected with the delay button through a wire, and the delay relay is electrically connected with a switch of the ventilation cabinet through a wire.

As a preferable scheme of the intelligent fume hood capable of setting delayed shutdown, the base surface is provided with a storage cabinet, and the outer surface of the storage cabinet is provided with a handle.

As a preferable scheme of the intelligent fume hood capable of setting delayed shutdown, the connecting plate is in bolted connection with the base, and the connecting plate is in bolted connection with the ventilating device.

As a preferable scheme of the intelligent ventilation cabinet capable of setting delayed shutdown, the utility model is characterized in that a filter screen is arranged on the inner wall of the ventilation groove, and the filter screen is positioned at the lower end of the electric fan.

As a preferable scheme of the intelligent ventilation cabinet capable of setting the delayed shutdown, the intelligent ventilation cabinet is characterized in that an air quality detector is arranged on the outer surface of the ventilation system, a controller is arranged on the inner wall of the ventilation groove, the electric fan is electrically connected with the current regulator through a lead, the air quality detector is electrically connected with the controller through a lead, and the controller is electrically connected with the current regulator of the electric fan through a lead.

Compared with the prior art, the intelligent fume hood capable of setting the delay shutdown has the advantages that the delay switch is electrically connected with the delay relay, and the delay relay is electrically connected with the fume hood switch to replace a traditional fume hood shutdown mode, so that the problem that environmental pollution of a laboratory is caused due to residual polluted gas in the laboratory when workers stop working and need to leave is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a front view of an intelligent fume hood with a delay shutdown according to the present invention;

FIG. 2 is a schematic structural diagram of an intelligent fume hood capable of setting a delayed shutdown according to the present invention;

FIG. 3 is a sectional view of an operating console of an intelligent fume hood with a delay shutdown function according to the present invention;

fig. 4 is a structural cross-sectional view of a ventilation slot of an intelligent fume hood capable of setting delayed shutdown according to the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides an intelligent fume hood capable of setting time delay shutdown, which replaces the traditional fume hood shutdown mode, and solves the problem that environmental pollution of a laboratory is caused by residual polluted gas in the laboratory due to the fact that a fume hood is immediately closed when workers stop working and need to leave.

Fig. 1-4 are schematic structural diagrams illustrating an embodiment of an intelligent fume hood capable of setting a delayed shutdown according to the present invention, and referring to fig. 1-4, a main body of the intelligent fume hood capable of setting a delayed shutdown according to the present embodiment includes a base 100, a ventilator 200, and a console 300.

The top of the base 100 is provided with a connecting plate 110, and the connecting plate 110 is connected with the base 100 through bolts so as to be convenient to disassemble, clean and maintain;

the ventilating device 200 is arranged at the top of the connecting plate 110, the connecting plate 110 and the ventilating device are detachably connected through bolts, the ventilating device 200 is convenient to clean and maintain, the ventilating device 200 is provided with a ventilating window 210, the ventilating window 210 is contacted with indoor air, the top of the ventilating device 200 is provided with an exhaust pipe 220, the exhaust pipe 220 exhausts the air to be exhausted, the top of the inner wall of the ventilating window 210 is provided with a ventilating groove 230, the ventilating groove 230 is communicated with the inner cavity of the ventilating window 210, one end of the ventilating groove 230, far away from the ventilating window 210, is communicated with the inner cavity of the exhaust pipe 220, the inner wall of the ventilating groove 230 is provided with an electric fan 231, when ventilation is needed, the electric fan 231 is powered on to start working, when the electric fan 231 works, the electric fan rotates to drive air to circulate, the air flows into the ventilation slot 230 through the ventilation window 210, then, the air is exhausted through the exhaust duct 220, the side wall of the ventilation device 200 is provided with a mounting bar 240, and the mounting bar 240 is used for fixedly supporting the console 300;

the control platform 300 is arranged on the side wall of the ventilation device 200, the bottom of the control platform 300 is connected with the top of the mounting bar 240, a delay button 310 is arranged on the control platform, a delay relay 320 is embedded in a groove in the surface of the control platform 300, the delay relay 320 is electrically connected with the delay button 310 through a wire, the delay relay 320 is electrically connected with a switch of the ventilation cabinet through a wire, when the experimenter needs to leave after finishing work, the delay button 310 is pressed down, the delay button 310 transmits a signal to the delay relay 320, the delay relay 320 starts to count down according to a preset value, the count down time is up, the delay relay 320 disconnects the power supply of the ventilation cabinet, the ventilation cabinet is shut down and stops working, the ventilation cabinet delay working can discharge residual polluted gas in the laboratory, and the residual polluted gas in the laboratory is prevented from being remained in the laboratory.

With reference to fig. 1 to 4, the intelligent fume hood capable of setting a delayed shutdown according to the embodiment has the following specific use process: when the fume hood normally works, the electric fan 231 is powered on to start working, when the electric fan 231 works, the electric fan rotates to drive air to circulate, the air flows into the ventilating slot 230 through the ventilating window 210 and then is exhausted through the exhaust pipe 220, in the process, the filter screen 232 can filter impurities such as dust, fluff and the like in the air to prevent the impurities from entering and being adsorbed on the surface of the electric fan 231, the impurities are inconvenient to clean, the filter screen 232 can be detached, the air quality detector 250 on the outer surface of the ventilating device 200 can detect the concentration of harmful gas in a room in real time, the air concentration detector 250 transmits the real-time value to the controller 251, the controller 251 is a PCL controller, when the real-time value exceeds a limited value, the controller 251 is powered on a current regulator on the electric fan 231, and the current regulator increases the current of the electric fan 231 to enable the rotating speed of the electric fan 231 to accelerate the air circulation speed, improve ventilation effect, prevent that indoor harmful gas concentration from too high to cause the injury to staff's health, the pulling handle 130 conveniently opens locker 120, and locker 120 conveniently stores the experimental apparatus.

Further, in this embodiment, when finishing the staff and need to leave, press delay button 310, delay button 310 can give delay relay 320 with signal transmission, delay relay 320 begins the count down according to the numerical value that sets up in advance this moment, count down time is then, delay relay 320 breaks off the power of fume chamber, the fume chamber shuts down stop work this moment, fume chamber delay work can be discharged with the laboratory residual polluted gas, prevent that it from remaining in the laboratory pollution laboratory.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a can set up intelligent fume chamber of time delay shutdown which characterized in that includes:

a base (100) provided with a connecting plate (110) at the top;

the ventilating device (200) is arranged at the top of the connecting plate (110), a ventilating window (210) is formed in the ventilating device (200), an exhaust pipe (220) is arranged at the top of the ventilating device (200), a ventilating groove (230) is formed in the top of the inner wall of the ventilating window (210), the ventilating groove (230) is communicated with the inner cavity of the ventilating window (210), one end, far away from the ventilating window (210), of the ventilating groove (230) is communicated with the inner cavity of the exhaust pipe (220), an electric fan (231) is arranged on the inner wall of the ventilating groove (230), and a mounting strip (240) is arranged on the side wall of the ventilating device (200);

the control platform (300) is arranged on the side wall of the ventilating device (200), the bottom of the control platform (300) is connected with the top of the mounting bar (240), a delay button (310) is arranged on the control platform, a delay relay (320) is embedded in a groove in the surface of the control platform (300), the delay relay (320) is electrically connected with the delay button (310) through a wire, and the delay relay (320) is electrically connected with a switch of a ventilating cabinet through a wire.

2. The intelligent fume hood capable of setting time delay shutdown as claimed in claim 1, wherein a locker (120) is opened on the surface of the base (100), and a handle (130) is provided on the outer surface of the locker (120).

3. An intelligent fume hood capable of setting time delay shutdown according to claim 2, characterized in that, the connecting plate (110) is connected with the base (100) by bolts, and the connecting plate (110) is connected with the ventilating device (200) by bolts.

4. An intelligent fume hood capable of setting time delay shutdown according to claim 3 is characterized in that the inner wall of the ventilating slot (230) is provided with a filter screen (232), and the filter screen (232) is positioned at the lower end of the electric fan (231).

5. An intelligent fume hood capable of setting time delay shutdown according to claim 4, characterized in that, an air quality detector (250) is arranged on the outer surface of the ventilating device (200), a controller (251) is arranged on the inner wall of the ventilating slot (230), the electric fan (231) is electrically connected with the current regulator through a conducting wire, the air quality detector (250) is electrically connected with the controller (251) through a conducting wire, and the controller (251) is electrically connected with the current regulator of the electric fan (231) through a conducting wire.