CN213763357U

CN213763357U - Ventilation device

Info

Publication number: CN213763357U
Application number: CN202021585620.3U
Authority: CN
Inventors: 王涛; 黄正华; 赵彦远; 刘亚平; 刘文武
Original assignee: Guangzhou Jinzhi Detection Technology Co ltd
Current assignee: Guangzhou Jinzhi Detection Technology Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-07-23
Anticipated expiration: 2030-08-03

Abstract

The embodiment of the utility model discloses ventilation unit, include: the cabinet comprises a first cabinet body, a second cabinet body and a third cabinet body, wherein the first cabinet body and the third cabinet body are arranged at intervals; be provided with on the first cabinet body and accept the chamber, it is used for acceping the discarded object to accept the chamber, be provided with the mechanism that opens and shuts on the second cabinet, the mechanism that opens and shuts can open in order to operate the space with accept the chamber intercommunication, in order to abandon the discarded object and keep in accepting the intracavity temporary, the mechanism that opens and shuts can also be closed in order to operate the space with accept the chamber isolation, in order to avoid the gaseous pollution operating space that the discarded object produced, the mechanism that bleeds extracts operating space and accepts the gas in the chamber, can take away the discharge with the gas of accepting in the chamber, the gaseous pollution operating space that the discarded object produced has further been prevented, in order to guarantee experiment operating personnel's health.

Description

Ventilation device

Technical Field

The utility model relates to an experimental facilities technical field especially relates to a ventilation unit.

Background

A fume hood is a basic laboratory device. The purpose is to provide an experiment operation platform, establish effective experiment environment, reduce the contact of the experimenter with the toxic gas generated in the experiment process, and isolate and protect the experimenter.

Traditional fume hood includes the operation panel and the mechanism of bleeding, and the operating personnel supplies operating personnel to put experimental facilities to experiment on the operation panel, the mechanism of bleeding is used for taking away the gas that the experiment produced on the operation panel, can produce the discarded object in the experimentation, and under the general condition, the discarded object is placed in the buffers or the garbage bin of operation panel, and the discarded object that exposes in operating space easily causes gas pollution to operating space, leads to the fact harm to experiment operating personnel's health even.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation unit aims at solving current discarded object and places in the buffers or the garbage bin of operation panel, and the discarded object that exposes in operating space easily causes gas pollution to operating space, causes the problem of harm even to experiment operating personnel's health.

A ventilation device, comprising: the cabinet comprises a first cabinet body, a second cabinet body and a third cabinet body, wherein the first cabinet body and the third cabinet body are arranged at intervals, the second cabinet body is used for connecting the first cabinet body and the third cabinet body, and the first cabinet body, the second cabinet body and the third cabinet body are surrounded to form an operation space;

the cabinet comprises a first cabinet body and a second cabinet body, and is characterized in that an accommodating cavity is formed in the first cabinet body and used for accommodating waste, an opening and closing mechanism is arranged on the second cabinet body and can be opened to communicate an operating space with the accommodating cavity, the opening and closing mechanism can also be closed to isolate the operating space from the accommodating cavity, and an air exhaust mechanism is arranged on the third cabinet body and used for extracting gas in the operating space and the accommodating cavity.

In one embodiment, the opening and closing mechanism includes an opening and closing portion, an opening communicated with the accommodating cavity is formed in the second cabinet body, and the opening and closing portion is rotatably connected with the second cabinet body so that the opening and closing portion can be rotated to open and close the opening.

In one embodiment, the opening and closing portion is provided with a first magnetic attraction piece, and the second cabinet body is provided with a second magnetic attraction piece matched with the first magnetic attraction piece, so that in a free state, the first magnetic attraction piece can attract the second magnetic attraction piece to close the opening.

In one embodiment, the opening and closing mechanism further comprises a control part, the control part is connected with the opening and closing part, and the control part can be pressed to drive the opening and closing part to open the opening.

In one embodiment, the air pumping mechanism includes a first air pumping pipe, a second air pumping pipe, a first air blower connected to the first air pumping pipe, and a second air blower connected to the second air pumping pipe, the first air pumping pipe is communicated with the accommodating cavity, the first air blower is configured to deliver the air in the accommodating cavity to the external space through the first air pumping pipe, and adjust the air pressure in the accommodating cavity to be lower than the air pressure in the external space, the second air pumping pipe is communicated with the operating space, and the second air blower is configured to deliver the air in the operating space to the external space through the second air pumping pipe.

In one embodiment, an air exhaust plate is arranged in the operation space, the air exhaust plate is arranged obliquely and is uniformly provided with air exhaust holes, and the second air exhaust pipe is communicated with the air exhaust plate and the external space.

In one embodiment, a detection piece is arranged on the third cabinet body and used for detecting the quality of the gas in the pumping plate.

In one embodiment, the second exhaust fans and the second exhaust pipes are respectively provided in a plurality, and the second exhaust fans and the second exhaust pipes are arranged in a one-to-one correspondence manner.

In one of them embodiment, still include the clean bench, the clean bench with first cabinet body coupling, the wash tank has been seted up on the clean bench, just be provided with the washing water route on the clean bench.

In one of them embodiment, still include enclosed construction, be provided with the operation mouth on the second cabinet body, enclosed construction can with the second cabinet body is connected, and be used for with the operation mouth is sealed, enclosed construction includes closed body, shrink cover and transparent portion, be provided with on the closed body shrink cover and transparent portion, shrink cover can with operating personnel's arm elasticity butt, with operating personnel's arm pass through shrink cover stretches into behind the operating space, isolated operating space with the space that operating personnel belonged to.

Adopt the embodiment of the utility model provides a, following beneficial effect has:

adopt the utility model discloses a ventilation unit, be provided with on the first cabinet body and accept the chamber, it is used for accepting the discarded object to accept the chamber, the mechanism that opens and shuts can open with operating space and accept the chamber intercommunication, in order to abandon the discarded object and keep in accepting the intracavity, the mechanism that opens and shuts can also be closed with operating space and accept the chamber isolation, in order to avoid the gas pollution operating space of discarded object production, the mechanism that bleeds extracts operating space and accepts the gas in the chamber, can take away the gas in accepting the chamber and discharge, the gas pollution operating space that the discarded object produced has further been prevented, in order to guarantee experiment operating personnel's health.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

fig. 1 is a schematic view of a ventilation device in an embodiment.

Fig. 2 is a schematic view of another state of the ventilating device shown in fig. 1.

Fig. 3 is a schematic view of a closed structure in the ventilating device according to an embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the ventilation device in an embodiment is mainly used for providing an experiment operation platform in a laboratory, and includes: the cabinet comprises a first cabinet body 100, a second cabinet body 200 and a third cabinet body 300, wherein the first cabinet body 100 and the third cabinet body 300 are arranged at intervals, the second cabinet body 200 is used for connecting the first cabinet body 100 and the third cabinet body 300, the first cabinet body 100, the second cabinet body 200 and the third cabinet body 300 are enclosed to form an operation space 400, and experiment operators can complete experiment operation in the operation space 400.

The first cabinet body 100 is provided with an accommodating cavity for accommodating waste, the second cabinet body is provided with an opening and closing mechanism 210, the opening and closing mechanism 210 can be opened to communicate the operating space 400 with the accommodating cavity, the waste is discarded in the accommodating cavity for temporary storage, the opening and closing mechanism 210 can also be closed to isolate the operating space 400 from the accommodating cavity, so as to avoid the gas generated by the waste from polluting the operating space 400, the third cabinet body 300 is provided with an air pumping mechanism 500, the air pumping mechanism 500 is used for pumping the gas in the operating space 400 and the accommodating cavity, the gas in the accommodating cavity can be pumped away and discharged, the gas generated by the waste is further prevented from polluting the operating space 400, so as to ensure the health of experimental operators, meanwhile, the gas generated in the experimental operation process is also discharged by the air pumping mechanism 500, and the safety of the operating space 400 is ensured.

Of course, it can be understood that the gaseous that the operation of experiment produced in operation space 400 and the gaseous that accepts the waste production in the chamber are harmful gas mostly, need take away this part of gas with isolation and protection experiment operating personnel, with the waste in accepting the chamber transfer and keep in, can avoid the gaseous pollution to the experimental environment that the waste produced to through opening and shutting mechanism 210 can be convenient abandon the waste to accepting the chamber in, do benefit to the going on of experiment operating personnel experiment, can improve experiment operating efficiency.

In this embodiment, the opening and closing mechanism 210 includes an opening and closing portion 211, an opening 220 communicated with the housing cavity is disposed on the second cabinet 200, the opening and closing portion 211 is rotatably connected to the second cabinet 200, so that the opening and closing portion 211 can rotate to open and close the opening 220, when the opening and closing portion 211 rotates to open, an experimental operator can throw waste into the housing cavity from the opening 220 to temporarily store the waste, and in a natural state, the opening and closing portion 211 can rotate under the action of gravity to close the opening 220 to prevent the gas generated by the waste from polluting the operating space 400, specifically, the opening and closing portion 211 is hinged to the second cabinet 200 by a rotating shaft to rotatably connect the opening and closing portion 211 to the second cabinet 200.

Preferably, should accept the intracavity and be provided with the garbage bin, the discarded object is abandoned to accepting the intracavity back, can save in the garbage bin, and when experimental operation accomplished, operating personnel can take out the garbage bin from accepting the chamber, carries out the classification and the processing of discarded object, should accept the setting in chamber, provides airtight space for the discarded object that produces in the experimentation in order to keep in, is favorable to the improvement of laboratory environment and the healthy protection of experiment operating personnel.

In this embodiment, the opening/closing portion 211 is provided with a first magnetic attraction member 213, and the second cabinet 200 is provided with a second magnetic attraction member 230 engaged with the first magnetic attraction member 213, so that in a free state, the first magnetic attraction member 213 can attract the second magnetic attraction member 230 to close the opening 220 by the opening/closing portion 211, and the first magnetic attraction member 213 is engaged with the second magnetic attraction member 230 to attract and connect the opening/closing portion 211 and the second cabinet 200, thereby improving the sealing effect of the opening/closing portion 211 on the opening 220. Of course, in other embodiments, the first magnetic attraction piece 213 and the second magnetic attraction piece 230 may also be magic tapes matched with each other, and can also realize stable connection between the opening/closing portion 211 and the second cabinet 200, and improve the sealing effect of the opening/closing portion 211 on the opening 220.

Further, a sealing strip is arranged between the opening and closing portion 211 and the second cabinet 200, so that the sealing effect on the opening 220 after the opening and closing portion 211 is closed is improved, and the operation space 400 is further prevented from being polluted by gas generated by waste.

In this embodiment, the opening and closing mechanism 210 further includes a control portion 212, the control portion 212 is connected to the opening and closing portion 211, the control portion 212 can be pressed to drive the opening and closing portion 211 to open the opening 220, an experimental operator can press the control portion 212 to push the opening and closing portion 211 to open the opening 220, waste can be easily discarded into the accommodating cavity, operation and control are simple, and preferably, the control portion 212 is a control rod and is vertically connected to the opening and closing portion 211. Of course, in other embodiments, the control portion 212 may also be a driving assembly, the driving assembly includes a control element and a driving cylinder, the driving cylinder is used for connecting the opening/closing portion 211 and the second cabinet 200, the control element can control the driving cylinder to extend and retract so as to control the opening/closing portion 211 to rotate relative to the second cabinet 200, and further, the opening/closing portion 211 opens the opening 220 or closes the opening 220.

In this embodiment, the air pumping mechanism 500 includes a first air pumping pipe 510, a second air pumping pipe 520, a first air blower 530 connected to the first air pumping pipe 510 and a second air blower 540 connected to the second air pumping pipe 520, the first air pumping pipe 510 is communicated with the accommodating cavity, the first air blower 530 is used for delivering the air in the accommodating cavity to the external space through the first air pumping pipe 510, and adjusting the air pressure in the accommodating cavity to be lower than the air pressure in the external space, so as to pump the air in the accommodating cavity to the external space, thereby avoiding contamination of the operation space 400, the second air pumping pipe 520 is communicated with the operation space 400, and the second air blower 540 is used for delivering the air in the operation space 400 to the external space through the second air pumping pipe 520, thereby realizing ventilation and exhaust of the air in the operation space 400, so as to ensure the air quality of the operation space 400, and further ensure the health of the experiment operator.

Further, be provided with air exhaust plate 550 in the operation space 400, air exhaust plate 550 slope sets up, and the equipartition has the aspirating hole, and second exhaust tube 520 intercommunication air exhaust plate 550 and exterior space, the air exhaust plate 550 that the slope set up does benefit to and takes away the gas that rises in the experimentation to protect experiment operating personnel.

In this embodiment, the second suction fans 540 and the second suction pipes 520 are respectively provided in plural numbers, and the second suction fans 540 and the second suction pipes 520 are provided in one-to-one correspondence, so that the efficiency of ventilation in the operation space 400 can be improved by providing the plural second suction fans 540.

In addition, the third cabinet 300 is provided with a detecting member 600, the detecting member 600 is used for detecting the gas quality in the pumping plate 550, and whether the ventilation efficiency of the pumping mechanism 500 to the operation space 400 is sufficient or not can be determined according to the gas quality in the pumping plate 550, so that when the passing efficiency is insufficient, the pumping mechanism 500 is operated to improve the ventilation efficiency of the pumping mechanism 500.

Of course, it can be understood that, when the harmful gas generated in the experimental process is less, a second exhaust fan 540 can be opened, at this moment, the exhaust hole of the exhaust plate 550 has lower exhaust efficiency, but the harmful gas generated in the experimental process can be exhausted, when the detecting part 600 detects that the gas quality in the exhaust plate 550 is poor, or the experimental operator judges that the gas quality in the operating space 400 is poor, the number of opening of the second exhaust fan 540 is increased, so as to improve the exhaust efficiency of the exhaust hole, so as to ensure that the gas quality of the operating space 400 is better, so as to ensure the health of the experimental operator.

In this embodiment, the ventilation device further includes a cleaning platform 700, the cleaning platform 700 is connected to the first cabinet 100, a cleaning tank 710 is disposed on the cleaning platform 700, a cleaning water path 720 is disposed on the cleaning platform 700, and the cleaning water path 720 is provided with a water tap for water outlet, so that an experiment operator can clean as soon as possible after the experiment operation is completed, and damage to the experiment operator due to harmful substances in the experiment operation process is avoided.

Please refer to fig. 3 together, the ventilation apparatus further includes a sealing structure 800, an operation opening is disposed on the second cabinet 200, the sealing structure 800 can be connected to the second cabinet 200 and is used for sealing the operation opening, the operation opening is sealed by the sealing structure 800, the operation space 400 can become a relatively sealed environment, so as to isolate the operation space 400 from the experiment operator, and protect the experiment operator.

Specifically, the sealing structure 800 includes a sealing body 810, a shrinking sleeve 820 and a transparent portion 830, the shrinking sleeve 820 and the transparent portion 830 are arranged on the sealing body 810, the shrinking sleeve 820 can be elastically abutted to the arm of the operator, so that after the arm of the operator extends into the operating space 400 through the shrinking sleeve 820, the operating space 400 and the space where the operator is located are isolated, the arm of the operator can extend into the operating space 400 to perform the experiment operation, and the sealing performance of the extending part of the arm can be ensured. Of course, in some other embodiments, the ventilation device may be further provided with a gas protection mechanism, and a protection gas may be flushed into the relatively sealed operation space 400 for experimental protection, and preferably, the protection gas may be nitrogen.

Further, the sealing body 810 is provided with a hanging ring 840 and a fourth magnetic attraction piece 850, the fourth magnetic attraction pieces 850 are provided in a plurality and are arranged at the peripheral edge positions of the sealing body 810, the third cabinet 300 is provided with a hook 310 matched with the hanging ring 840, the first cabinet 100, the second cabinet 200 and the third cabinet 300 are provided with a third magnetic attraction piece 320 matched with the fourth magnetic attraction piece 850, so that the sealing structure 800 is hung at the operation opening through the hook 310 and the hanging ring 840, and the operation opening is sealed through the third magnetic attraction piece 320 and the fourth magnetic attraction piece 850.

Of course, it is understood that the sealing body 810 and the transparent portion 830 disposed on the sealing body 810 may be made of a transparent material, so that the experiment operator can observe the inside of the operation space 400 through the transparent material.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A ventilation device, comprising: the cabinet comprises a first cabinet body, a second cabinet body and a third cabinet body, wherein the first cabinet body and the third cabinet body are arranged at intervals, the second cabinet body is used for connecting the first cabinet body and the third cabinet body, and the first cabinet body, the second cabinet body and the third cabinet body are surrounded to form an operation space;

2. The ventilation device according to claim 1, wherein the opening and closing mechanism comprises an opening and closing portion, the second cabinet body is provided with an opening communicated with the accommodating cavity, and the opening and closing portion is rotatably connected with the second cabinet body so that the opening and closing portion can be rotated to open and close the opening.

3. The ventilation device as claimed in claim 2, wherein the opening and closing portion is provided with a first magnetic attraction member, and the second cabinet body is provided with a second magnetic attraction member cooperating with the first magnetic attraction member, so that the first magnetic attraction member can attract the second magnetic attraction member in a free state, so that the opening and closing portion closes the opening.

4. The ventilation device according to claim 2, wherein the opening and closing mechanism further comprises a control part, the control part is connected with the opening and closing part, and the control part can drive the opening and closing part to open the opening when being pressed.

5. The ventilation apparatus according to claim 1, wherein the air pumping mechanism comprises a first air pumping pipe, a second air pumping pipe, a first air blower connected to the first air pumping pipe, and a second air blower connected to the second air pumping pipe, the first air pumping pipe is communicated with the accommodating cavity, the first air blower is configured to deliver the air in the accommodating cavity to the external space through the first air pumping pipe and adjust the air pressure in the accommodating cavity to be lower than the air pressure in the external space, the second air pumping pipe is communicated with the operating space, and the second air blower is configured to deliver the air in the operating space to the external space through the second air pumping pipe.

6. The ventilation device according to claim 5, wherein an air exhaust plate is arranged in the operation space, the air exhaust plate is arranged obliquely and is uniformly provided with air exhaust holes, and the second air exhaust pipe is communicated with the air exhaust plate and the external space.

7. The ventilation device according to claim 6, wherein a detection member is disposed on the third cabinet, and the detection member is used for detecting the gas quality in the pumping plate.

8. The ventilation device according to claim 5, wherein a plurality of the second suction fans and the second suction pipes are respectively provided, and the second suction fans and the second suction pipes are provided in one-to-one correspondence.

9. The ventilation device according to claim 1, further comprising a cleaning table, wherein the cleaning table is connected with the first cabinet body, a cleaning groove is formed in the cleaning table, and a cleaning water path is formed in the cleaning table.

10. The ventilation device according to claim 1, further comprising a sealing structure, wherein an operation opening is formed in the second cabinet body, the sealing structure can be connected with the second cabinet body and used for sealing the operation opening, the sealing structure comprises a sealing body, a shrinking sleeve and a transparent portion, the shrinking sleeve and the transparent portion are arranged on the sealing body, and the shrinking sleeve can be elastically abutted against an arm of an operator so as to isolate the operation space from a space where the operator is located after the arm of the operator extends into the operation space through the shrinking sleeve.