CN212733496U

CN212733496U - Improved generation laboratory is with fume chamber

Info

Publication number: CN212733496U
Application number: CN202021027988.8U
Authority: CN
Inventors: 任智慧; 黄亭亭
Original assignee: Tianjin Zhiyinxinkang Gene Technology Co ltd
Current assignee: Tianjin Zhiyinxinkang Gene Technology Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-03-19
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses an improved generation laboratory is with fume chamber, including the fume chamber body, cabinet door, air exhauster, filtration and air-blower, all install the cabinet door on the outer wall of the fume chamber body bottom, and the turning position department of the fume chamber body bottom all is fixed with the removal wheel, the outer wall mounting of the fume chamber body of cabinet door top has the glass door, and the internal portion of the fume chamber of glass door position department is fixed with the supporter to the internal portion of the fume chamber of supporter below is fixed with the workstation, one side on the fume chamber body top is fixed with the manometer, and the fume chamber body top of manometer one side is fixed with the air exhauster, the fume chamber body top that manometer one side was kept away from to the air exhauster is provided with filtration. The utility model discloses not only reduce the pollution to the air when gaseous emission, reduced the operation of experiment during toxic gas leak, guaranteed that personnel's is healthy, realized moreover the fume chamber body when using automatic mend wind function, saved the manpower.

Description

Improved generation laboratory is with fume chamber

Technical Field

The utility model relates to a fume chamber technical field specifically is a fume chamber is used in improved generation laboratory.

Background

The fume chamber is the indispensable one in the laboratory furniture, and the fume chamber plays the efficiency of airing exhaust and taking a breath in the laboratory, and in the chemistry experiment room, produce various harmful gas, foul smell, moisture and easily fire, explosive, corrosive substance during experimental operation, in order to protect user's safety, prevent that the pollutant in the experiment from to the laboratory diffusion, then need set up the fume chamber near the pollution source.

The existing ventilation cabinets in the market are various in types, can basically meet the use requirements of people, but still have certain defects, and have the following specific problems.

(1) When the existing fume hood is used, the extracted gas is generally directly discharged into the air, and harmful substances in the discharged gas easily pollute the atmosphere, so that certain defects exist;

(2) when the existing ventilation cabinet is used, the glass window needs to be opened continuously to complete related operations, and in the process, workers can easily inhale toxic gas to cause harm to human bodies, so that an improved space exists;

(3) the inside atmospheric pressure of the cabinet body is generally difficult to learn when using to current this kind of fume chamber to need the staff to spend energy to accomplish and carry out tonifying qi work to the fume chamber, the degree of automation of operation is low, consequently brings inconvenience for the use of fume chamber.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation laboratory is with fume chamber to solve the above-mentioned background art in put forward the harmful substance in the gas that the fume chamber discharged and pollute the atmosphere easily, the poisonous gas harm health and the inconvenient problem of tonifying qi work operation of the cabinet body that the staff inhaled when opening the glass window.

In order to achieve the above object, the utility model provides a following technical scheme: an improved ventilation cabinet for laboratories comprises a ventilation cabinet body, cabinet doors, an exhaust fan, a filtering structure and an air blower, wherein the cabinet doors are mounted on the outer wall of the bottom of the ventilation cabinet body, movable wheels are fixed at the corner positions of the bottom of the ventilation cabinet body, a glass door is mounted on the outer wall of the ventilation cabinet body above the cabinet doors, a storage rack is fixed inside the ventilation cabinet body at the position of the glass door, a workbench is fixed inside the ventilation cabinet body below the storage rack, a pressure gauge is fixed at one side of the top end of the ventilation cabinet body, the input end of the pressure gauge extends to the inside of the ventilation cabinet body, the exhaust fan is fixed at the top end of the ventilation cabinet body at one side of the pressure gauge, an exhaust pipe is fixed at the input end of the exhaust fan, the bottom end of the exhaust pipe extends to the inside of the ventilation cabinet body, the filtering structure is arranged at the top end of, and the output end of the singlechip in the control panel is electrically connected with the input end of the exhaust fan, and the input end of the singlechip in the control panel is electrically connected with the output end of the pressure gauge.

Preferably, the inside of filtration has set gradually rose box, active carbon adsorption layer, filter screen and blast pipe, and the fume chamber body top that manometer one side was kept away from to the air exhauster is fixed with the rose box, and the rose box is linked together with the output of air exhauster, and one side on rose box top is fixed with the blast pipe, and the blast pipe is linked together with the rose box for gaseous processing work.

Preferably, the inside one side of rose box is fixed with the active carbon adsorption layer, and the rose box inside of active carbon adsorption layer one side is fixed with the filter screen, and the filter screen is mutually supported with the active carbon adsorption layer, is convenient for filter the gas of emission.

Preferably, the inside of the ventilation cabinet body of glass door both sides all is provided with mends the wind chamber, and mends the inside in wind chamber and be fixed with the air-blower, and the output of air-blower extends to the inside of the ventilation cabinet body, and the output of air-blower extends to the outside of the ventilation cabinet body for the automatic air supplement work of the ventilation cabinet body.

Preferably, the inside of glass door all is provided with the handle hole, and is provided with the glass separation blade on the glass door outer wall of handle hole position department, and the glass separation blade is mutually supported with the glass door, and the staff of being convenient for stretches into the inside of the ventilation cabinet body with the arm and accomplishes the relevant operation of experiment.

Preferably, all be fixed with the fixed strip on the glass door outer wall of glass separation blade both sides, and the inside of fixed strip is provided with the spout to the inside of spout all has the slider, and the one end and the glass separation blade fixed connection of slider are convenient for restrict the moving range of glass separation blade.

Compared with the prior art, the beneficial effects of the utility model are that: the improved laboratory fume hood not only reduces the pollution to air when gas is discharged, reduces the leakage of toxic gas during experimental operation, ensures the physical health of personnel, but also realizes the automatic air supplementing function when the fume hood is used and saves manpower;

(1) the filter box is provided with the filter box, the activated carbon adsorption layer, the filter screen and the exhaust pipe, the activated carbon adsorption layer in the filter box adsorbs harmful substances in the gas, the filter screen filters particle impurities in the gas, and the treated gas is discharged to the outside through the exhaust pipe, so that the pollution to the air during gas discharge is reduced;

(2) the operation hole, the glass blocking piece, the fixing strip, the sliding chute and the sliding block are arranged, the glass blocking piece is pulled to move to one side, the glass blocking piece drives the sliding block to slide in the sliding chute in the fixing strip, the fixing strip and the sliding chute limit the moving range of the glass blocking piece, and then, an arm can penetrate through the operation hole to complete related experiment operation, so that the leakage of toxic gas during experiment operation is reduced, and the health of personnel is further ensured;

(3) through being provided with the manometer, mend wind chamber and air-blower, the manometer carries out real-time supervision to the atmospheric pressure of the internal portion of ventilation cabinet to carry testing result to control panel's inside, when the atmospheric pressure of the internal portion of ventilation cabinet and the atmospheric pressure of the external portion of ventilation cabinet formed the pressure differential, the air-blower passes through the pipeline and channels into the inside to the ventilation cabinet body with the clean air of the external wall of ventilation cabinet, thereby realized the automatic air supplement function of the internal portion of ventilation cabinet when using, saved the manpower.

Drawings

Fig. 1 is a schematic view of the front view of the appearance structure of the present invention;

fig. 2 is a schematic view of the expanded cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional, partially enlarged structure of the glass door of the present invention;

fig. 4 is a schematic view of the cross-sectional enlarged structure of the filtering structure of the present invention.

In the figure: 1. a ventilated cabinet body; 2. a cabinet door; 3. a moving wheel; 4. a control panel; 5. a pressure gauge; 6. an air exhaust pipe; 7. an exhaust fan; 8. a filter structure; 801. a filter box; 802. an activated carbon adsorption layer; 803. a filter screen; 804. an exhaust pipe; 9. a glass door; 10. an operation hole; 11. a rack; 12. a wind supplementing cavity; 13. a blower; 14. a work table; 15. a glass baffle plate; 16. a fixing strip; 17. a chute; 18. a slide block.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an improved ventilation cabinet for a laboratory comprises a ventilation cabinet body 1, cabinet doors 2, an exhaust fan 7, a filtering structure 8 and an air blower 13, wherein the cabinet doors 2 are all installed on the outer wall of the bottom of the ventilation cabinet body 1, moving wheels 3 are fixed at the corner positions of the bottom end of the ventilation cabinet body 1, a glass door 9 is installed on the outer wall of the ventilation cabinet body 1 above the cabinet doors 2, a storage rack 11 is fixed inside the ventilation cabinet body 1 at the position of the glass door 9, and a workbench 14 is fixed inside the ventilation cabinet body 1 below the storage rack 11;

the interior of the ventilating cabinet body 1 on two sides of the glass door 9 is provided with an air supplementing cavity 12, an air blower 13 is fixed in the air supplementing cavity 12, the type of the air blower 13 can be Y5-47, the input end of the air blower 13 is electrically connected with the output end of a single chip microcomputer in the control panel 4, the output end of the air blower 13 extends to the interior of the ventilating cabinet body 1, and the output end of the air blower 13 extends to the exterior of the ventilating cabinet body 1 and is used for automatic air supplementing work of the ventilating cabinet body 1;

the inside of the glass door 9 is provided with an operation hole 10, the outer wall of the glass door 9 at the position of the operation hole 10 is provided with a glass baffle 15, and the glass baffle 15 is matched with the glass door 9, so that a worker can conveniently stretch arms into the ventilation cabinet body 1 to complete the relevant operation of the experiment;

the outer walls of the glass doors 9 on the two sides of the glass blocking piece 15 are all fixed with fixing strips 16, sliding grooves 17 are formed in the fixing strips 16, sliding blocks 18 are connected inside the sliding grooves 17 in a sliding mode, one end of each sliding block 18 is fixedly connected with the glass blocking piece 15, and therefore the moving range of the glass blocking piece 15 is limited conveniently;

a pressure gauge 5 is fixed on one side of the top end of the ventilation cabinet body 1, the type of the pressure gauge 5 can be YN60, the input end of the pressure gauge 5 extends into the ventilation cabinet body 1, an exhaust fan 7 is fixed on the top end of the ventilation cabinet body 1 on one side of the pressure gauge 5, the type of the exhaust fan 7 can be 11-62-A, an exhaust pipe 6 is fixed on the input end of the exhaust fan 7, the bottom end of the exhaust pipe 6 extends into the ventilation cabinet body 1, and a filtering structure 8 is arranged on the top end of the ventilation cabinet body 1 on the side, far away from the pressure gauge 5, of the exhaust fan;

a filter tank 801, an activated carbon adsorption layer 802, a filter screen 803 and an exhaust pipe 804 are sequentially arranged in the filter structure 8, the filter tank 801 is fixed at the top end of the ventilation cabinet body 1 at one side of the exhaust fan 7 away from the pressure gauge 5, the filter tank 801 is communicated with the output end of the exhaust fan 7, the exhaust pipe 804 is fixed at one side of the top end of the filter tank 801, the exhaust pipe 804 is communicated with the filter tank 801, the activated carbon adsorption layer 802 is fixed at one side in the filter tank 801, the filter screen 803 is fixed in the filter tank 801 at one side of the activated carbon adsorption layer 802, and the filter screen 803 is matched with the activated carbon adsorption layer 802;

the exhaust fan 7 is used for pumping out the gas in the ventilation cabinet body 1 through the exhaust pipe 6 and conveying the gas to the inside of the filter box 801, wherein the active carbon adsorption layer 802 in the filter box 801 is used for adsorbing harmful substances in the gas, the filter screen 803 is used for filtering particle impurities in the gas, and the treated gas is discharged to the outside through the exhaust pipe 804, so that the pollution to the air during gas discharge is reduced;

be fixed with control panel 4 on the outer wall of the ventilation cabinet body 1 one side, this control panel 4's model can be DL203, and the output of the inside singlechip of control panel 4 and the input electric connection of air exhauster 7 to the input of the inside singlechip of control panel 4 and the output electric connection of manometer 5.

The working principle is as follows: when the ventilating cabinet is used, a worker firstly moves the ventilating cabinet body 1 to a proper position through the moving wheels 3, secondly, the glass door 9 is opened, the experimental apparatus in use is placed on the surface of the workbench 14, other experimental apparatuses are placed on the shelf 11, then, the glass door 9 is closed, so that a closed space is formed inside the ventilating cabinet body 1, when relevant operation is needed, the worker can pull the glass blocking piece 15 to move towards one side, the glass blocking piece 15 drives the sliding block 18 to slide in the sliding groove 17 inside the fixing strip 16, the fixing strip 16 and the sliding groove 17 limit the moving range of the glass blocking piece 15, then, an arm can penetrate through the operation hole 10 to complete relevant experimental operation, so that the leakage of toxic gas during experimental operation is reduced, the body health of the worker is ensured, and then, the worker controls the exhaust fan 7 to work through the operation control panel 4, the exhaust fan 7 pumps the air inside the ventilation cabinet body 1 through the exhaust pipe 6 and conveys the air to the inside of the filter tank 801, wherein the activated carbon adsorption layer 802 inside the filter tank 801 adsorbs harmful substances in the air, the filter screen 803 filters particulate impurities in the air, the treated air is discharged to the outside through the exhaust pipe 804, thereby reducing air pollution during air discharge, finally, in the process of air pumping, the pressure gauge 5 monitors the air pressure inside the ventilation cabinet body 1 in real time and conveys the detection result to the inside of the control panel 4, when the air pressure inside the ventilation cabinet body 1 and the air pressure outside the ventilation cabinet body 1 form a pressure difference, the control panel 4 controls the blower 13 inside the air compensation cavity 12 to start working, wherein, a one-way control valve which is not shown in the figure can be arranged in the pipeline at the input end of the blower 13, the blower 13 guides the clean air on the outer wall of the ventilation cabinet body 1 to the inside the ventilation cabinet body 1 through the pipeline, thereby realized the automatic function of mending wind when the fume chamber body 1 uses, saved the manpower, accomplished the work of fume chamber in improved generation laboratory.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an improved generation laboratory is with fume chamber, includes the fume chamber body (1), cabinet door (2), air exhauster (7), filtration (8) and air-blower (13), its characterized in that: the cabinet is characterized in that cabinet doors (2) are mounted on the outer wall of the bottom of the ventilation cabinet body (1), movable wheels (3) are fixed at the corners of the bottom of the ventilation cabinet body (1), a glass door (9) is mounted on the outer wall of the ventilation cabinet body (1) above the cabinet doors (2), a storage rack (11) is fixed inside the ventilation cabinet body (1) at the position of the glass door (9), a workbench (14) is fixed inside the ventilation cabinet body (1) below the storage rack (11), a pressure gauge (5) is fixed at one side of the top end of the ventilation cabinet body (1), the input end of the pressure gauge (5) extends into the ventilation cabinet body (1), an exhaust fan (7) is fixed at the top end of the ventilation cabinet body (1) at one side of the pressure gauge (5), an exhaust pipe (6) is fixed at the input end of the exhaust fan (7), and the bottom end of the exhaust pipe (6) extends into, the ventilating cabinet is characterized in that a filtering structure (8) is arranged at the top end, far away from one side of a pressure gauge (5), of the ventilating cabinet body (1) by the exhaust fan (7), a control panel (4) is fixed on the outer wall of one side of the ventilating cabinet body (1), the output end of a single chip microcomputer inside the control panel (4) is electrically connected with the input end of the exhaust fan (7), and the input end of the single chip microcomputer inside the control panel (4) is electrically connected with the output end of the pressure gauge (5).

2. An improved laboratory fume hood as defined in claim 1, wherein: the inside of filtration (8) has set gradually rose box (801), activated carbon adsorption layer (802), filter screen (803) and blast pipe (804), draft fan (7) are kept away from the fume chamber body (1) top of manometer (5) one side and are fixed with rose box (801), and rose box (801) are linked together with the output of draft fan (7), and one side on rose box (801) top is fixed with blast pipe (804), and blast pipe (804) are linked together with rose box (801).

3. An improved laboratory fume hood as defined in claim 2, wherein: the filter box is characterized in that an active carbon adsorption layer (802) is fixed on one side of the interior of the filter box (801), a filter screen (803) is fixed on the interior of the filter box (801) on one side of the active carbon adsorption layer (802), and the filter screen (803) is matched with the active carbon adsorption layer (802).

4. An improved laboratory fume hood as defined in claim 1, wherein: the inside air supplement chamber (12) that all is provided with of the fume hood body (1) of glass door (9) both sides, and the inside in air supplement chamber (12) is fixed with air-blower (13), and the output of air-blower (13) extends to the inside of the fume hood body (1), and the output of air-blower (13) extends to the outside of the fume hood body (1).

5. An improved laboratory fume hood as defined in claim 1, wherein: the glass door is characterized in that an operation hole (10) is formed in the glass door (9), a glass blocking piece (15) is arranged on the outer wall of the glass door (9) at the position of the operation hole (10), and the glass blocking piece (15) is matched with the glass door (9).

6. An improved laboratory fume hood as set forth in claim 5, wherein: all be fixed with fixed strip (16) on the glass door (9) outer wall of glass separation blade (15) both sides, and the inside of fixed strip (16) is provided with spout (17) to the inside of spout (17) all sliding connection has slider (18), the one end and glass separation blade (15) fixed connection of slider (18).