CN215696656U

CN215696656U - Automatic induction type does not have clean gas type fume chamber of pipeline

Info

Publication number: CN215696656U
Application number: CN202122442634.0U
Authority: CN
Inventors: 史勇; 黄大斌; 闫传明; 甄坤鹏
Original assignee: Jinan Green Lab Instrument Co ltd
Current assignee: Jinan Green Lab Instrument Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-01
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses an automatic induction type pipeline-free air purification type ventilation cabinet which comprises a guide rail, wherein the guide rail is arranged on the outer side of a main cabinet body, a protection door is arranged at the inner end of the guide rail, the protection door is composed of a first door body, a second door body and a third door body, a transmission shaft is arranged at the top end of the main cabinet body, a power gear is connected to the outer surface of the transmission shaft, and a driven gear is arranged at the top end of the main cabinet body. This no pipeline net gas type fume chamber of auto-induction formula, be provided with guard gate and haulage rope, drive the meshing of transmission shaft and gear train through the motor, stretch the haulage rope, thereby make its end drive the door body lifting open the cabinet body in the guide rail, can be according to operator's actual demand automatic rising door body height, according to the face wind speed sensing data automatic adjustment door body height size that microcomputer system gathered, can the automatic reduction door body height when operating personnel leaves, thereby effectively reduce laboratory energy loss, reduce the risk that gaseous pollutants revealed.

Description

Automatic induction type does not have clean gas type fume chamber of pipeline

Technical Field

The utility model relates to the technical field of fume hoods, in particular to an automatic induction type pipeline-free air purification type fume hood.

Background

Traditional laboratory is in order to keep indoor air clean pollution-free, also in order to protect operator's personal safety, generally need operate in the fume chamber the inside when operating the sample, and this just requires that plus pipeline and suitable fume chamber face wind speed take the gas that has the pollution to outdoor through outer exhaust fan to maintain the internal air cleanliness factor of fume chamber. Thereby protecting the personal safety of the operator;

most of the existing laboratory protection doors are simple push-pull type operation, a headspace is required to be reserved for the stroke distance of a window, so that the reservation needs to be designed in advance, and although the traditional push-pull type external exhaust type fume hood is simple to operate, the traditional external exhaust type fume hood is also likely to cause potential risk because the face wind speed cannot be accurately quantified;

the outer formula fume chamber that arranges of tradition often has the outer system of arranging of a pipeline of a plurality of fume chambers integration, needs the very big fan drive of consumption just can take out the gas of poisoning in the indoor room, simultaneously in order to maintain indoor pressure balance, and individual laboratory still needs another pipeline to supply the new trend, and the maintenance cost is high, and the warm loss of ventilating is big.

Aiming at the problems, innovative design is urgently needed on the basis of the original fume hood.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic induction type pipeline-free air purification type fume hood, which solves the problems that the traditional external exhaust type fume hood in the background art is simple in push-pull operation and cannot accurately quantify the wind speed.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatic induction type pipeline-free air purification type ventilation cabinet mainly comprises a lower cabinet body, a main cabinet body, an induction unit, a control module and an air purification unit, wherein the main cabinet body is fixedly installed at the upper end of the lower cabinet body, the induction unit is installed in the middle of the upper end of the main cabinet body, the control module is fixedly installed at the upper end of the main cabinet body, and the air purification unit is fixedly installed at the top end of the main cabinet body;

the method comprises the following steps:

the guide rail is arranged on the outer side of the main cabinet body, the inner end of the guide rail is provided with a protective door, the protective door consists of a first door body, a second door body and a third door body, the top end of the main cabinet body is provided with a transmission shaft, the outer surface of the transmission shaft is connected with a power gear, the top end of the main cabinet body is provided with a driven gear, the outer side of the driven gear is connected with the power gear, the outer surface of the end of the driven gear shaft is connected with a traction rope, the outer surface of the first door body is provided with a guide groove, the guide groove is connected with a positioning shaft, and the positioning shaft is fixedly mounted at the back end of the second door body;

negative-pressure air fan, fixed mounting have the inner of net gas unit, and the inner of net gas unit is provided with movable block and filter layer to the upper end fixedly connected with movable rod of movable block, spread groove and camera obscura have been seted up on the top of net gas unit, and the spread groove is connected with the movable rod top.

Preferably, the protective door is composed of a first door body, a second door body and a third door body, and the first door body, the second door body and the third door body are in sliding connection with the guide rail.

Preferably, the guide way has all been seted up to the positive side surface of the first door body and the second door body, and the location axle is all installed with the back end of the third door body to location axle and guide way are sliding connection, carry out lifting in proper order of the door body through the cooperation of location axle and guide way.

Preferably, transmission shaft and power gear are fixed connection, and the outside meshing of power gear is connected with driven gear to driven gear's axle head surface is connected with the haulage rope, and the end of haulage rope is connected with the third body top simultaneously, and the meshing through the gear train drives the haulage rope and stretches.

Preferably, the inner of movable block is provided with the filter layer, and the filter layer comprises activated carbon material to the upper end symmetric distribution of movable block installs two sets of movable rods, purifies harmful gas through the filter layer.

Preferably, the top and the spread groove of movable rod dock mutually, and the blind groove has been seted up to the side of spread groove to blind groove and movable rod are sliding connection, fix the vertical position of movable block through the cooperation of spread groove and blind groove.

Compared with the prior art, the utility model has the beneficial effects that: the automatic induction type pipeline-free air purification type ventilation cabinet;

1. the safety door and the traction rope are arranged, the motor drives the transmission shaft and the gear set to be meshed, the traction rope is stretched, the tail end of the traction rope drives the door body to be lifted in the guide rail, so that the cabinet body is opened, the height of the door body can be automatically lifted according to the actual requirement of an operator, the height of the door body is automatically adjusted according to the surface wind speed sensing data acquired by the microcomputer system, and when the operator leaves, the height of the door body can be automatically reduced, so that the energy loss of a laboratory is effectively reduced, and the risk of leakage of polluted gas is reduced;

2. be provided with filter layer and negative-pressure air fan, purify harmful gas through the intraformational active carbon of filter, detachable structure is convenient for the change of filter layer and is improved purifying effect simultaneously, and the gas purification unit adopts the modularized design, does not need external pipeline, does not need the pipeline construction to realize that the indoor self-loopa of fume chamber can effectively adsorb the volatile poison gas in operating space under operating condition, realizes the purification of space environment.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a side sectional view of the main cabinet of the present invention;

FIG. 3 is a schematic cross-sectional view of the protective door of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional structural view of the air purification unit of the present invention;

FIG. 6 is a schematic top view of the air purification unit of the present invention.

In the figure: 1. a lower cabinet body; 2. a main cabinet body; 3. a sensing unit; 4. a control module; 5. a gas purification unit; 6. a guide rail; 7. a protective door; 7001. a first door body; 7002. a second door body; 7003. a third door body; 8. a drive shaft; 9. a power gear; 10. a driven gear; 11. a hauling rope; 12. a guide groove; 13. positioning the shaft; 14. a negative pressure fan; 15. a movable block; 16. a filter layer; 17. a movable rod; 18. connecting grooves; 19. and (4) a dark groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an automatic induction type pipeline-free air purification type ventilation cabinet mainly comprises a lower cabinet body 1, a main cabinet body 2, an induction unit 3, a control module 4 and an air purification unit 5, wherein the main cabinet body 2 is fixedly installed at the upper end of the lower cabinet body 1, the induction unit 3 is installed in the middle of the upper end of the main cabinet body 2, the control module 4 is fixedly installed at the upper end of the main cabinet body 2, and the air purification unit 5 is fixedly installed at the top end of the main cabinet body 2;

the method comprises the following steps:

the guide rail 6 is arranged on the outer side of the main cabinet body 2, the inner end of the guide rail 6 is provided with a protective door 7, the protective door 7 consists of a first door body 7001, a second door body 7002 and a third door body 7003, the top end of the main cabinet body 2 is provided with a transmission shaft 8, the outer surface of the transmission shaft 8 is connected with a power gear 9, the top end of the main cabinet body 2 is provided with a driven gear 10, the outer side of the driven gear 10 is connected with the power gear 9, the outer surface of the shaft end of the driven gear 10 is connected with a traction rope 11, the outer surface of the first door body 7001 is provided with a guide groove 12, the guide groove 12 is connected with a positioning shaft 13, and the positioning shaft 13 is fixedly mounted at the back end of the second door body 7002;

the negative pressure fan 14 is fixedly provided with the inner end of the air purification unit 5, the inner end of the air purification unit 5 is provided with a movable block 15 and a filter layer 16, the upper end of the movable block 15 is fixedly connected with a movable rod 17, the top end of the air purification unit 5 is provided with a connecting groove 18 and a blind groove 19, and the connecting groove 18 is connected with the top end of the movable rod 17.

The protective door 7 is composed of a first door body 7001, a second door body 7002 and a third door body 7003, the first door body 7001, the second door body 7002 and the third door body 7003 are in sliding connection with the guide rails 6, guide grooves 12 are formed in the outer surfaces of the front sides of the first door body 7001 and the second door body 7002, positioning shafts 13 are mounted at the back ends of the second door body 7002 and the third door body 7003 respectively, the positioning shafts 13 are in sliding connection with the guide grooves 12, the transmission shaft 8 is fixedly connected with the power gear 9, a driven gear 10 is meshed with the outer side of the power gear 9, a traction rope 11 is connected with the outer surface of the shaft end of the driven gear 10, and the tail end of the traction rope 11 is connected with the top end of the third door body 7003.

The inner of movable block 15 is provided with filter layer 16, and filter layer 16 comprises activated carbon material to the upper end symmetric distribution of movable block 15 installs two sets of movable rod 17, and the top of movable rod 17 is docked mutually with spread groove 18, and the dark groove 19 has been seted up to the side of spread groove 18, and dark groove 19 is sliding connection with movable rod 17.

The working principle is as follows: when the automatic induction type ductless air purification type ventilation cabinet is used, according to the figures 1-6, the device is firstly placed at a position needing to work, when a user approaches the cabinet body, the induction unit 3 induces that a person approaches and transmits a sensing signal to the control module 4, the control module 4 controls the motor at the top end of the main cabinet body 2 to rotate, so that the motor drives the transmission shaft 8 to synchronously rotate, the transmission shaft 8 drives the power gear 9 to be meshed and connected with the driven gear 10, the shaft end of the driven gear 10 winds the traction rope 11, the tail end of the traction rope 11 pulls the third door body 7003 to move upwards along the guide rail 6, the positioning shaft 13 at the back end of the third door body 7003 moves in the guide groove 12 formed in the outer surface of the second door body 7002, when the positioning shaft 13 moves to the top end of the guide groove 12, the second door body 7002 is pushed to synchronously move upwards, and the rest on the same in turn, when a person leaves, the cabinet body automatically restores to the original position, energy loss can be reduced, the risk of toxic gas overflow in the ventilation cabinet body can be reduced, and meanwhile, the requirement on indoor height space in the process of lifting the door is reduced by adopting a unique triple door design;

harmful gas will get into clean gas unit 5 through the suction of negative pressure fan 14, and then discharge indoor after the purification of the active carbon in filter layer 16, and filter layer 16 is detachable structure simultaneously, rotates movable rod 17, makes it slide to spread groove 18 department in following dark groove 19, upwards stimulates again and takes out movable block 15, can change filter layer 16, improves the gas purification efficiency when lasting the operation, has increased holistic practicality.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic induction type pipeline-free air purification type ventilation cabinet mainly comprises a lower cabinet body (1), a main cabinet body (2), an induction unit (3), a control module (4) and an air purification unit (5), wherein the main cabinet body (2) is fixedly installed at the upper end of the lower cabinet body (1), the induction unit (3) is installed at the middle position of the upper end of the main cabinet body (2), the control module (4) is fixedly installed at the upper end of the main cabinet body (2), and the air purification unit (5) is fixedly installed at the top end of the main cabinet body (2);

it is characterized by comprising:

the guide rail (6) is arranged on the outer side of the main cabinet body (2), the inner end of the guide rail (6) is provided with a protective door (7), the protective door (7) consists of a first door body (7001), a second door body (7002) and a third door body (7003), the top end of the main cabinet body (2) is provided with a transmission shaft (8), the outer surface of the transmission shaft (8) is connected with a power gear (9), the top end of the main cabinet body (2) is provided with a driven gear (10), the outer side of the driven gear (10) is connected with the power gear (9), the outer surface of the shaft end of the driven gear (10) is connected with a traction rope (11), the outer surface of the first door body (7001) is provided with a guide groove (12), the guide groove (12) is connected with a positioning shaft (13), and the positioning shaft (13) is fixedly installed at the back end of the second door body (7002);

negative-pressure air fan (14), fixed mounting have the inner of net gas unit (5), and the inner of net gas unit (5) is provided with movable block (15) and filter layer (16) to the upper end fixedly connected with movable rod (17) of movable block (15), spread groove (18) and camera obscura (19) have been seted up on the top of net gas unit (5), and spread groove (18) are connected with movable rod (17) top.

2. The automatic induction type pipeline-free air purification type ventilation cabinet according to claim 1 is characterized in that the protection door (7) is composed of a first door body (7001), a second door body (7002) and a third door body (7003), and the first door body (7001), the second door body (7002) and the third door body (7003) are in sliding connection with the guide rail (6).

3. The automatic induction type pipeline-free air purification type ventilation cabinet according to claim 2 is characterized in that guide grooves (12) are formed in the outer surfaces of the front sides of the first door body (7001) and the second door body (7002), positioning shafts (13) are mounted at the back ends of the second door body (7002) and the third door body (7003), and the positioning shafts (13) are in sliding connection with the guide grooves (12).

4. The automatic induction type ductless air purification type ventilation cabinet according to claim 1 is characterized in that the transmission shaft (8) and the power gear (9) are fixedly connected, the outer side of the power gear (9) is engaged and connected with the driven gear (10), the outer surface of the shaft end of the driven gear (10) is connected with the traction rope (11), and the tail end of the traction rope (11) is connected with the top end of the third door body (7003).

5. The automatic induction type ductless air purification type ventilation hood according to claim 1, wherein the inner end of the movable block (15) is provided with a filter layer (16), the filter layer (16) is made of activated carbon material, and two sets of movable rods (17) are symmetrically distributed and mounted on the upper end of the movable block (15).

6. The automatic induction type ductless clean air type ventilation cabinet according to claim 5, wherein the top end of the movable rod (17) is butted with the connecting groove (18), the side end of the connecting groove (18) is provided with a hidden groove (19), and the hidden groove (19) is connected with the movable rod (17) in a sliding manner.