CN218553462U

CN218553462U - Laboratory fume chamber

Info

Publication number: CN218553462U
Application number: CN202222076540.0U
Authority: CN
Inventors: 张本汉; 许永章; 余慧璇; 喻荣祥; 苗向阳
Original assignee: XINFENG ZHENGTIANWEI ELECTRONIC TECHNOLOGIES CO LTD
Current assignee: XINFENG ZHENGTIANWEI ELECTRONIC TECHNOLOGIES CO LTD
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-03-03
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a laboratory fume chamber, including cabinet, bottom plate top side and cabinet fixed connection, cabinet top side fixedly connected with exhaust box, exhaust box right side link up fixedly connected with air-out side pipe, the cabinet front side is equipped with the glass door plant through the hinge symmetry, exhaust box front side link up and is equipped with the thermovent, exhaust box is connected with the bar shaped plate through the thermovent equidistance, cabinet inner wall bottom side fixedly connected with places the platform, and the sweeps that produce the mesa that can be more pertinent clears up, has improved the flexibility of clean ventilation greatly, and second exhaust fan, third exhaust fan and anion fan are mutually supported, can effectually improve the speed of ventilating, avoid leading to the unable timely processing of ventilating greatly to PCB board processingquantity, and the exhaust gas detector of installation setting can effectually detect out whether the gas that discharges exceeds standard, avoids the smoke discharge not up to reach standard and lead to the serious condition of environmental pollution to take place.

Description

Laboratory fume chamber

Technical Field

The utility model relates to a PCB board fume chamber technical field particularly, relates to a laboratory fume chamber.

Background

The fume hood is a local air exhaust device which is most commonly used in laboratories, and has various types, different use conditions and different air exhaust effects due to different structures, and good performance of the fume hood, and mainly depends on the speed of air moving through the fume hood.

Among the prior art, in the processing operation in-process of polishing the PCB board, generally all with the processing equipment directly subaerial operation processing, can diffuse a large amount of smoke and dust in the production process, the unable timely clearance of sweeps, can cause the injury to the experimenter who uses, the clearance effect to the inside processing equipment of fume chamber is not comprehensive enough simultaneously, ventilation rate is too low, and when discharging absorption filterable harmful gas, the staff can't be accurate detect out whether the gas that discharges exceeds standard, can lead to the condition emergence of fume emission polluted environment.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a laboratory fume chamber to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a laboratory fume chamber, includes cabinet, bottom plate top side and cabinet fixed connection, cabinet top side fixedly connected with exhaust box, exhaust box right side link up fixedly connected with air-out side pipe, the cabinet front side is equipped with the glass door plant through the hinge symmetry, the exhaust box front side link up and is equipped with the thermovent, exhaust box is connected with the bar shaped plate through the thermovent equidistance, cabinet inner wall bottom side fixedly connected with places the platform, the cabinet left and right sides is connected with first row of fan respectively, cabinet inner wall both sides are equipped with out the tuber pipe respectively, cabinet inner chamber top symmetry is equipped with into dirt and fights.

Preferably, the top end of the dust inlet hopper is in through connection with a telescopic corrugated pipe, the first exhaust fan extends into the inner cavity of the air outlet pipe, and the outer side of the air outlet pipe is in through connection with a dust screen.

Preferably, the left side of the exhaust box is fixedly connected with a second exhaust fan, the right side of the exhaust box is fixedly connected with a negative ion fan, an air conveying pipeline is connected between the second exhaust fan and the negative ion fan, and the bottom side of the inner wall of the exhaust box is symmetrically connected with a third exhaust fan.

Preferably, the output end of the third exhaust fan is communicated and fixedly connected with the bottom side of the air delivery pipeline through a pipeline respectively, the input end of the third exhaust fan is fixedly connected with the top end of the telescopic corrugated pipe, filter screens are symmetrically connected to the middle of the inner cavity of the air delivery pipeline, a PP cotton filter screen is arranged between the filter screens, and an activated carbon screen plate is arranged on the right side of the inner wall of the air delivery pipeline.

Preferably, the filter screen, the PP cotton filter screen and the activated carbon screen plate are fixedly connected with the inner wall of the air delivery pipeline respectively, the activated carbon screen plate is located on the right side of the third exhaust fan, and the anion fan extends into the inner cavity of the air outlet square pipe.

As preferred, air-out side intraductal wall top side equidistance through connection has the screw thread installation pipe, air-out side pipe top right side is connected with the install bin, the install bin top side is equipped with the alarm lamp, install bin inner chamber bottom side fixedly connected with singlechip.

The utility model has the advantages that:

1. the dust inlet hopper can be pulled through the telescopic corrugated pipes without manually cleaning the scraps by workers in the polishing process, the scraps generated on the table top can be cleaned more pertinently according to the position of the equipment operating table, and the flexibility of cleaning and ventilation is greatly improved;

2. the filter screens which are symmetrically arranged can filter large particles in smoke waste, the PP cotton filter screen can filter small-particle impurities in the smoke waste, the activated carbon screen plate can purify peculiar smell in gas, and the second exhaust fan, the third exhaust fan and the negative ion fan are matched with each other, so that the ventilation speed can be effectively improved, and the problem that the ventilation treatment cannot be carried out in time due to large processing amount of a PCB (printed circuit board) is avoided;

3. when the gas after purifying gets into air-out side pipe and discharges, whether the exhaust gas detector that the installation set up can effectually detect out the gas that discharges and surpass the mark, when numerical value is too high, can send a signal to the singlechip, then send start signal to the alarm lamp through the singlechip, flash the warning to the user of service, avoid the not up to standard condition emergence that leads to environmental pollution serious of flue gas emission.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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.

Fig. 1 is a schematic diagram of a general structure of a laboratory fume hood according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an internal structure of a cabinet of a laboratory fume hood according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of an exhaust box of a laboratory fume hood according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an internal structure of an air-out square tube of a laboratory fume chamber according to the utility model discloses.

In the figure:

1. a cabinet; 2. a base plate; 3. an exhaust box; 4. an air outlet square pipe; 5. a glass door panel; 6. a strip plate; 7. a placing table; 8. a first exhaust fan; 9. an air outlet pipe; 10. a dust inlet hopper; 11. a bellows is stretched; 12. a dust screen; 13. a second exhaust fan; 14. a negative ion fan; 15. a wind pipe; 16. a third exhaust fan; 17. a filter screen; 18. an activated carbon screen plate; 19. installing a pipe in a threaded manner; 20. installing a box; 21. an alarm lamp; 22. a single chip microcomputer; 23. a PP cotton filter screen.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a laboratory fume chamber.

Example one

As shown in fig. 1-4, according to the utility model discloses a laboratory fume hood, including cabinet 1,

bottom plate

2, 2 top sides of bottom plate and 1 fixed connection of cabinet, 1 top side fixedly connected with exhaust box 3 of cabinet, 3 right sides of exhaust box link up fixedly connected with air-out

side pipe

4, 1 front side of cabinet is equipped with glass door plant 5 through the hinge symmetry, 3 front sides of exhaust box link up and are equipped with the thermovent, exhaust box 3 is connected with bar board 6 through the thermovent equidistance, 1 inner wall bottom side fixedly connected with of cabinet places

platform

7, 1 left and right sides of cabinet are connected with first exhaust fan 8 respectively, 1 inner wall both sides of cabinet are equipped with out tuber pipe 9 respectively, 1 inner chamber top symmetry of cabinet is equipped with into dirt fill 10, it has bellows 11 to advance dirt fill 10 top through the through-connection, first exhaust fan 8 stretches into out tuber pipe 9 inner chamber, and go out tuber pipe 9 outside through-connection has dust screen 12, open glass door plant 5, can put into 1 inside placing platform 7 top sides of cabinet with the PCB processing equipment that polishes, start first exhaust fan 8, the piece that can produce on the operation bench of processing equipment of processing, the rubbish can be based on the pulling greatly, the flexibility of the flexible removal of dust fill, the flexible operation platform that advances, the flexibility that can produce, the flexibility that can be based on the flexibility that the flexible pipe that advances, the flexibility is promoted respectively, the flexible pipe that can carry out.

Example two

As shown in figures 1-4, a laboratory fume hood according to the embodiment of the utility model comprises a cabinet 1 and a bottom plate 2, wherein the top side of the bottom plate 2 is fixedly connected with the cabinet 1, the top side of the cabinet 1 is fixedly connected with an exhaust box 3, the right side of the exhaust box 3 is communicated with an exhaust square tube 4, the front side of the cabinet 1 is symmetrically provided with a glass door panel 5 through hinges, the front side of the exhaust box 3 is communicated with a heat dissipation port, the exhaust box 3 is equidistantly connected with a strip-shaped plate 6 through the heat dissipation port, the bottom side of the inner wall of the cabinet 1 is fixedly connected with a placing table 7, the left side and the right side of the cabinet 1 are respectively connected with a first exhaust fan 8, the two sides of the inner wall of the cabinet 1 are respectively provided with an exhaust pipe 9, a dust inlet hopper 10 is symmetrically arranged above the inner cavity of the cabinet 1, the left side of the exhaust box 3 is fixedly connected with a second exhaust fan 13, the right side of the exhaust box 3 is fixedly connected with a negative ion fan 14, an air duct 15 is connected between the second fan 13 and the negative ion fan 14, the bottom side of the inner wall of the exhaust box 3 is symmetrically connected with a third exhaust fan 16, the output end of the third exhaust fan 16 is respectively communicated and fixedly connected with the bottom side of an air conveying pipeline 15 through a pipeline, the input end of the third exhaust fan 16 is fixedly connected with the top end of a telescopic corrugated pipe 11, the middle part of the inner cavity of the air conveying pipeline 15 is symmetrically connected with filter screens 17, PP cotton filter screens 23 are arranged among the filter screens 17, the right side of the inner wall of the air conveying pipeline 15 is provided with an activated carbon screen 18, the filter screens 17, the PP cotton filter screens 23 and the activated carbon screen 18 are respectively fixedly connected with the inner wall of the air conveying pipeline 15, the activated carbon screen 18 is positioned at the right side of the third exhaust fan 16, a negative ion fan 14 extends into the inner cavity of an air outlet square pipe 4, the rotating speeds of the third exhaust fans 16 at the left side and the right side are different, the third exhaust fan 16 at the left side can collect waste chips generated in the cabinet 1, and the third exhaust fan 16 at the right side can collect residual dust, make third exhaust fan 16 send the wastes into air duct 15 respectively inside, can be more comprehensive with the inside wastes material of cabinet 1, the smoke and dust is collected and is handled, then start second exhaust fan 13 and anion fan 14, second exhaust fan 13 can blow the inside smoke and dust wastes material of collecting of air duct 15 right, the filter screen 17 that the symmetry set up can carry out filtration treatment with large granule in the smoke and dust wastes material, the cotton filter screen 23 of PP can carry out filtration treatment with the impurity of tiny granule in the smoke and dust wastes material, activated carbon otter board 18 can carry out purification treatment with peculiar smell in the gas, then anion fan 14 can send the gas after purifying into air-out square tube 4 inner chamber, then discharge the gas and handle, second exhaust fan 13, third exhaust fan 16 and anion fan 14 mutually support, can effectually improve the speed of ventilating, avoid leading to the processing of ventilating in time greatly to PCB board processingquantity.

EXAMPLE III

As shown in figures 1-4, a laboratory fume hood according to the embodiment of the utility model comprises a cabinet 1 and a bottom plate 2, wherein the top side of the bottom plate 2 is fixedly connected with the cabinet 1, the top side of the cabinet 1 is fixedly connected with an exhaust box 3, the right side of the exhaust box 3 is communicated with an air outlet square tube 4, the front side of the cabinet 1 is symmetrically provided with a glass door panel 5 through a hinge, the front side of the exhaust box 3 is communicated with a heat dissipation port, the exhaust box 3 is equidistantly connected with a strip-shaped plate 6 through the heat dissipation port, the bottom side of the inner wall of the cabinet 1 is fixedly connected with a placing platform 7, the left side and the right side of the cabinet 1 are respectively connected with a first exhaust fan 8, the two sides of the inner wall of the cabinet 1 are respectively provided with an air outlet tube 9, the upper part of the inner cavity of the cabinet 1 is symmetrically provided with a dust inlet hopper 10, the top side of the inner wall of the air outlet square tube 4 is equidistantly communicated with a threaded

mounting tube

19, 4 top right sides are connected with install bin 20 in air-out side pipe, install bin 20 top side is equipped with alarm lamp 21, install bin 20 inner chamber bottom side fixedly connected with singlechip 22, can install multiple exhaust gas detection ware respectively and connect fixedly in screw thread installation pipe 19 is inside, then be connected exhaust gas detection ware's wire and singlechip 22's wiring end, when gas after the purification gets into air-out side pipe 4 and discharges, whether the exhaust gas detection ware that the installation set up can effectually detect out the gas that discharges exceeds the standard, when the numerical value is too high, can be to singlechip 22 signals, then send actuating signal to alarm lamp 21 through singlechip 22, flash warning to the user of service, avoid the not up-to-standard condition emergence that leads to environmental pollution serious of flue gas emission.

To sum up, with the help of the above technical solution of the present invention, when the device is used, the glass door panel 5 is opened, the PCB polishing processing equipment can be placed on the top side of the placing table 7 inside the cabinet 1, the first exhaust fan 8 is started, the first exhaust fan 8 can clean the scraps generated on the operation table of the processing equipment, the dust hopper 10 can be pulled through the telescopic bellows 11, the scraps generated inside the cabinet 1 can be cleaned more specifically according to the position of the operation table of the equipment, the rotating speeds of the third exhaust fans 16 on the left and right sides are different, the third exhaust fan 16 on the left side can collect the scraps generated inside the cabinet 1, the third exhaust fan 16 on the right side can collect the residual dust, the third exhaust fan 16 can send the wastes into the air duct 15 respectively, the wastes inside the cabinet 1 can be collected and processed more comprehensively, then a second exhaust fan 13 and a negative ion fan 14 are started, the second exhaust fan 13 can blow the smoke waste collected in the air delivery pipeline 15 rightwards, the filter screens 17 which are symmetrically arranged can filter large particles in the smoke waste, the PP cotton filter screen 23 can filter small particles of impurities in the smoke waste, the active carbon screen 18 can purify peculiar smell in the air, then the negative ion fan 14 can send the purified air into the inner cavity of the air outlet square pipe 4, a plurality of waste gas detectors are respectively installed in the threaded installation pipe 19 to be connected and fixed, then the lead of the waste gas detector is connected with the terminal of the single chip microcomputer 22, when the purified air enters the air outlet square pipe 4 to be discharged, the installed waste gas detector can effectively detect whether the discharged air exceeds the standard or not, when the numerical value is too high, can send the signal to singlechip 22, then send actuating signal to alarm lamp 21 through singlechip 22, flash the warning to the user of service.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a laboratory fume chamber, its characterized in that, includes cabinet (1), bottom plate (2) top side and cabinet (1) fixed connection, cabinet (1) top side fixedly connected with exhaust box (3), exhaust box (3) right side link up fixedly connected with air-out side pipe (4), cabinet (1) front side is equipped with glass door plant (5) through the hinge symmetry, exhaust box (3) front side link up and is equipped with the thermovent, exhaust box (3) are connected with bar shaped plate (6) through the thermovent equidistance, cabinet (1) inner wall bottom side fixedly connected with places platform (7), the cabinet (1) left and right sides is connected with first exhaust fan (8) respectively, cabinet (1) inner wall both sides are equipped with out tuber pipe (9) respectively, cabinet (1) inner chamber top symmetry is equipped with into dirt fill (10).

2. The laboratory fume hood according to claim 1, wherein a telescopic corrugated pipe (11) is connected through the top end of the dust inlet hopper (10), the first exhaust fan (8) extends into the inner cavity of the air outlet pipe (9), and a dust screen (12) is connected through the outer side of the air outlet pipe (9).

3. The laboratory ventilation hood according to claim 2, wherein a second exhaust fan (13) is fixedly connected to the left side of the exhaust box (3), a negative ion fan (14) is fixedly connected to the right side of the exhaust box (3), an air duct (15) is connected between the second exhaust fan (13) and the negative ion fan (14), and a third exhaust fan (16) is symmetrically connected to the bottom side of the inner wall of the exhaust box (3).

4. The laboratory fume hood according to claim 3, wherein the output end of the third exhaust fan (16) is fixedly connected with the bottom side of the air duct (15) through a pipeline, the input end of the third exhaust fan (16) is fixedly connected with the top end of the telescopic corrugated pipe (11), filter screens (17) are symmetrically connected to the middle of the inner cavity of the air duct (15), PP cotton filter screens (23) are arranged between the filter screens (17), and the right side of the inner wall of the air duct (15) is provided with an activated carbon screen plate (18).

5. The laboratory fume hood according to claim 4, wherein the filter screen (17), the PP cotton filter screen (23) and the activated carbon screen (18) are respectively and fixedly connected with the inner wall of the air delivery pipeline (15), the activated carbon screen (18) is located on the right side of the third exhaust fan (16), and the negative ion fan (14) extends into the inner cavity of the air outlet square pipe (4).

6. The laboratory ventilation cabinet according to claim 5, wherein the top side of the inner wall of the air outlet square pipe (4) is equidistantly connected with a threaded mounting pipe (19) in a penetrating manner, the right side of the top of the air outlet square pipe (4) is connected with a mounting box (20), the top side of the mounting box (20) is provided with an alarm lamp (21), and the bottom side of the inner cavity of the mounting box (20) is fixedly connected with a single chip microcomputer (22).