CN213793389U

CN213793389U - Multifunctional laboratory fume hood

Info

Publication number: CN213793389U
Application number: CN202022294211.4U
Authority: CN
Inventors: 孙冰白
Original assignee: Shaanxi Keyi Laboratory System Maintenance Engineering Co ltd
Current assignee: Shaanxi Keyi Laboratory System Maintenance Engineering Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-27
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a multi-functional laboratory is with fume hood, including the cupboard body, the left side at the positive top of the cupboard body is provided with the PLC controller, the positive top of the cupboard body is provided with gas detection ware, the right side at the positive top of the cupboard body is provided with the alarm, the inner chamber fixed mounting of the cupboard body has the fan, and the air intake intercommunication of fan has first pipeline, and the other end intercommunication of first pipeline has the air inlet fill. The utility model discloses set up the cupboard body, the PLC controller, the gas detection ware, the alarm, the air inlet fill, first pipeline, the fan, place the box, the rose box, the second pipeline, the third pipeline, the play wind fill, first sealing plug, the active carbon filter screen, second sealing plug and battery box, it is not good to gaseous filter effect to have solved current laboratory fume cupboard, placed various chemicals in the laboratory, the warning that can not be timely when taking place gas leakage, and can't deposit some chemical reagents in the fume cupboard, the not enough problem of space utilization.

Description

Multifunctional laboratory fume hood

Technical Field

The utility model relates to a fume hood technical field specifically is a multi-functional fume hood for laboratory.

Background

The fume hood is almost the indispensable main equipment in every laboratory, the fume hood can in time discharge the smog that produces in the experimentation, poisonous and have irritant gas, protect experiment operator effectively and avoid the injury of pollutant, but the fume hood is not good to gaseous filter effect in current laboratory, various chemicals have been placed in the laboratory, the warning that can not be timely when taking place gas leakage, and can't deposit some chemical reagent in the fume hood, space utilization is not enough, for this, we provide a multi-functional laboratory fume hood.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional laboratory is with fume hood, it is good to possess the filter effect, can in time report to the police when chemical reveals, and can deposit chemical reagent's advantage, has solved current laboratory is not good with fume hood to gaseous filter effect, has placed various chemical medicines in the laboratory, the warning that can not be timely when taking place gas leakage, and can't deposit some chemical reagent in the fume hood, problem that space utilization is not enough.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional laboratory fume hood comprises a hood body, wherein a PLC controller is arranged on the left side of the top of the front face of the hood body, the top of the front side of the cabinet body is provided with a gas detector, the right side of the top of the front side of the cabinet body is provided with an alarm, a fan is fixedly arranged in the inner cavity of the cabinet body, an air inlet of the fan is communicated with a first pipeline, the other end of the first pipeline is communicated with an air inlet hopper, an air outlet of the fan is communicated with a second pipeline, the other end of the second pipeline is communicated with a filter box, the inner cavity of the filter box is connected with an active carbon filter screen in a sliding way, the back of the active carbon filter screen is provided with a second sealing plug, the front of the active carbon filter screen is provided with a first sealing plug, the right side of the filter box is communicated with a third pipeline, the other end of the third pipeline is communicated with an air outlet hopper, and a placing box is fixedly installed on the front side of the top of the inner cavity of the cabinet body.

Preferably, the inner cavity of the first sealing plug is provided with a pull ring, and the pull ring is a metal ring.

Preferably, a battery box is fixedly mounted on the back of the bottom of the inner cavity of the cabinet body, and an inner cavity of the battery box is provided with a storage battery.

Preferably, the bottom of the front side of the cabinet body is movably connected with a bin door through a hinge, and the front side of the bin door is provided with a handle.

Preferably, the bottom of the inner cavity of the cabinet body is fixedly provided with a support frame, and the support frame is fixedly connected with the filter box.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model opens the fan, the air enters the first pipeline from the air inlet hopper and is sucked by the fan, then enters the filter box from the second pipeline, is filtered by the active carbon filter screen and then is introduced into the air outlet hopper and discharged from the third pipeline, the second sealing plug and the first sealing plug seal the joint of the active carbon filter screen and the filter box, the active carbon filter screen can be drawn out from the filter box for convenient replacement, the placing box can be used for placing chemical reagents, the gas detector can detect air, when harmful gas in the air exceeds the standard, the gas detector transmits a signal to the PLC controller, the PLC controller turns on the alarm to give an alarm, the problems that the existing fume hood for the laboratory has poor gas filtering effect, various chemicals are placed in the laboratory, the alarm can not be given in time when gas leakage occurs, and some chemical reagents can not be stored in the fume hood, so that the space utilization rate is insufficient.

2. The utility model discloses accessible handle is opened the door and is overhauld and maintain each internal part of cupboard, and the pull ring makes things convenient for people to pull out the active carbon filter screen, and the battery of battery box provides the electric energy for the device, and the support frame makes the rose box firm.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the utility model in a left side view;

fig. 3 is the cross-sectional structure schematic diagram of the filter box in the left-side view state.

In the figure: 1. a cabinet body; 2. a handle; 3. a bin gate; 4. a PLC controller; 5. a gas detector; 6. an alarm; 7. an air inlet hopper; 8. a first conduit; 9. a fan; 10. placing the box; 11. a support frame; 12. a filter box; 13. a second conduit; 14. a third pipeline; 15. an air outlet hopper; 16. a first sealing plug; 17. a pull ring; 18. an active carbon filter screen; 19. a second sealing plug; 20. a battery box.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a cabinet body 1, handle 2, door 3, PLC controller 4, gas detector 5, alarm 6, air inlet hopper 7, first pipeline 8, fan 9, place box 10, support frame 11, rose box 12, second pipeline 13, third pipeline 14, air outlet hopper 15, first sealing plug 16, pull ring 17, active carbon filter screen 18, second sealing plug 19 and battery box 20 part are the general standard or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a multifunctional laboratory fume hood comprises a cabinet body 1, a battery box 20 is fixedly installed on the back of the bottom of the inner cavity of the cabinet body 1, the inner cavity of the battery box 20 is provided with a storage battery, the storage battery in the battery box 20 provides electric energy for the device, the bottom of the front of the cabinet body 1 is movably connected with a door 3 through a hinge, the front of the door 3 is provided with a handle 2, the door 3 can be opened through the handle 2 to overhaul and maintain various components in the cabinet body 1, the left side of the top of the front of the cabinet body 1 is provided with a PLC controller 4, the top of the front of the cabinet body 1 is provided with a gas detector 5, the right side of the top of the front of the cabinet body 1 is provided with an alarm 6, the inner cavity of the cabinet body 1 is fixedly provided with a fan 9, an air inlet of the fan 9 is communicated with a first pipeline 8, the other end of the first pipeline 8 is communicated with an air inlet hopper 7, an air outlet of the fan 9 is communicated with a second pipeline 13, the other end of the second pipeline 13 is communicated with a filter box 12, a support frame 11 is fixedly arranged at the bottom of the inner cavity of the cabinet body 1, the support frame 11 is fixedly connected with the filter box 12, the support frame 11 enables the filter box 12 to be stable, an active carbon filter screen 18 is slidably connected with the inner cavity of the filter box 12, a second sealing plug 19 is arranged at the back of the active carbon filter screen 18, a first sealing plug 16 is arranged at the front of the active carbon filter screen 18, a pull ring 17 is arranged in the inner cavity of the first sealing plug 16, the pull ring 17 is a metal ring, the pull ring 17 is convenient for people to pull out the active carbon filter screen 18, a third pipeline 14 is communicated with the right side of the filter box 12, the other end of the third pipeline 14 is communicated with an air outlet hopper 15, a placing box 10 is fixedly arranged at the front of the top of the inner cavity of the cabinet body 1, a fan 9 is opened, air enters the first pipeline 8 from the air inlet hopper 7 to be sucked by the fan 9 and then enters the filter box 12 from the second pipeline 13, let in out air hopper 15 by third pipeline 14 and discharge after the filtration of active carbon filter screen 18, second sealing plug 19 and first sealing plug 16 make the junction of active carbon filter screen 18 and rose box 12 sealed, and can take active carbon filter screen 18 out from rose box 12, be convenient for change, it can be used for placing chemical reagent to place box 10, gas detector 5 can detect the air, harmful gas exceeds standard in the air, gas detector 5 transmission signal gives PLC controller 4, PLC controller 4 opens alarm 6 and reports to the police, it is not good to gaseous filter effect with the fume hood to have solved current laboratory, various chemical medicines have been placed in the laboratory, the warning that can not be timely when taking place gas leakage, and can't deposit some chemical reagents in the fume hood, the not enough problem of space utilization.

When the air purifier is used, the fan 9 is turned on, air enters the first pipeline 8 from the air inlet hopper 7 and is sucked by the fan 9, then enters the filter box 12 from the second pipeline 13, is filtered by the activated carbon filter screen 18 and then is discharged from the air outlet hopper 15 through the third pipeline 14, the second sealing plug 19 and the first sealing plug 16 seal the joint of the activated carbon filter screen 18 and the filter box 12, the activated carbon filter screen 18 can be drawn out of the filter box 12 and is convenient to replace, the placing box 10 can be used for placing chemical reagents, the gas detector 5 can detect air, when harmful gas in the air exceeds the standard, the gas detector 5 transmits a signal to the PLC controller 4, the PLC controller 4 opens the alarm 6 to give an alarm, the problem that the existing laboratory is poor in filtering effect of ventilation on the gas is solved, various chemical cabinets are placed in a laboratory, and the alarm cannot be given timely when the gas leaks, and some chemical reagents can not be stored in the fume hood, so that the space utilization rate is insufficient.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multi-functional laboratory fume hood, includes the cupboard body (1), its characterized in that: the novel kitchen cabinet is characterized in that a PLC (programmable logic controller) (4) is arranged on the left side of the front top of the cabinet body (1), a gas detector (5) is arranged on the front top of the cabinet body (1), an alarm (6) is arranged on the right side of the front top of the cabinet body (1), a fan (9) is fixedly installed in an inner cavity of the cabinet body (1), an air inlet of the fan (9) is communicated with a first pipeline (8), an air inlet hopper (7) is communicated with the other end of the first pipeline (8), an air outlet of the fan (9) is communicated with a second pipeline (13), the other end of the second pipeline (13) is communicated with a filter box (12), an inner cavity of the filter box (12) is slidably connected with an active carbon filter screen (18), a second sealing plug (19) is arranged on the back of the active carbon filter screen (18), a first sealing plug (16) is arranged on the front of the active carbon filter screen (18), the right side of the filter box (12) is communicated with a third pipeline (14), the other end of the third pipeline (14) is communicated with an air outlet hopper (15), and a placing box (10) is fixedly installed on the front side of the top of the inner cavity of the cabinet body (1).

2. A multifunctional laboratory fume hood as defined in claim 1 wherein: the inner cavity of the first sealing plug (16) is provided with a pull ring (17), and the pull ring (17) is a metal ring.

3. A multifunctional laboratory fume hood as defined in claim 1 wherein: the back of the bottom of the inner cavity of the cabinet body (1) is fixedly provided with a battery box (20), and the inner cavity of the battery box (20) is provided with a storage battery.

4. A multifunctional laboratory fume hood as defined in claim 1 wherein: the cabinet is characterized in that a bin door (3) is movably connected to the bottom of the front side of the cabinet body (1) through a hinge, and a handle (2) is arranged on the front side of the bin door (3).

5. A multifunctional laboratory fume hood as defined in claim 1 wherein: the bottom of the inner cavity of the cabinet body (1) is fixedly provided with a support frame (11), and the support frame (11) is fixedly connected with the filter box (12).