CN213495561U

CN213495561U - Self-adaptive VAV variable air volume ventilation control system of fume hood

Info

Publication number: CN213495561U
Application number: CN202021968153.2U
Authority: CN
Inventors: 孙江
Original assignee: Juli Intelligent Manufacturing Shenzhen Engineering Co ltd
Current assignee: Juli Intelligent Manufacturing Shenzhen Engineering Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-22
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a fume chamber self-adaptation VAV variable air volume ventilation control system relates to fume chamber manufacturing technical field, including the cabinet body, fixed surface installs the backup pad in one side inside of the cabinet body, and the cabinet body is close to one side surface of backup pad and has seted up logical groove, and the cabinet body is close to one side surface movable mounting who leads to the groove and has the cabinet door, and fixed surface installs the storing compartment in one side inside that the backup pad was kept away from to the cabinet body, and fixed mounting has the board of accepting in the middle part of the inner wall of the cabinet. This fume chamber self-adaptation VAV variable air volume ventilation control system, through set up the variable air volume valve at the upper surface of the cabinet body, the variable air volume valve passes through the baffle, the guiding gutter, the filter screen, the hole of induced drafting, the cooperation of pipe and suction fan, makes harmful gas when passing through in the baffle, through the cooperation of motor and flabellum for gaseous rising speed, can effectual hoisting device to harmful gas's exhaust efficiency, better reinforcing the air safety degree around the device.

Description

Self-adaptive VAV variable air volume ventilation control system of fume hood

Technical Field

The utility model relates to a fume chamber manufacturing technical field specifically is a fume chamber self-adaptation VAV variable air volume ventilation control system.

Background

The fume chamber is the most important safety device in modern laboratory, and it guarantees through exhaust system sufficient negative pressure in the fume chamber, guarantees that laboratory personnel and experimental environment do not receive the pollution of chemical, in chemical laboratory, produces various harmful gas, foul smell, moisture and easily fires, explosive, corrosive substance during experimental operation, and these are all through the fume chamber indoor of discharging.

In chinese utility model patent application no: the variable air volume ventilation cabinet is disclosed in CN201621242891.2, and the structure includes the ventilation cabinet body and sets up in the controlling means and the exhaust device at cabinet body top, controlling means include actuating lever, band pulley, chain, speed reducer, lead screw, slider, picture peg, slide rail, first gear, second gear, exhaust device include slot, square exhaust pipe, exhaust hood, ventilation cabinet body front side still be provided with the window. This variable blast volume fume chamber, the structure is complicated, and is lower to harmful gas's exhaust efficiency, and harmful gas adheres to at the inner wall of pipeline for a long time, takes place the phenomenon of crystallization easily, has the potential safety hazard, and the practicality is relatively poor, and storing ability is lower.

Therefore, it is necessary to provide a ventilation hood adaptive VAV variable air volume ventilation control system to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a fume chamber self-adaptation VAV variable air volume ventilation control system to solve the current variable air volume fume chamber that proposes in the above-mentioned background art, the structure is complicated, and is lower to harmful gas's exhaust efficiency, and harmful gas adheres to at the inner wall of pipeline for a long time, takes place the phenomenon of crystallization easily, has the potential safety hazard, and the practicality is relatively poor, the lower problem of storing ability.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a self-adaptive VAV variable air volume ventilation control system of a ventilation cabinet comprises a cabinet body, wherein a supporting plate is fixedly arranged on the upper surface of the inner part of one side of the cabinet body, a through groove is formed in the outer surface of one side, close to the through groove, of the cabinet body, a cabinet door is movably arranged on the outer surface of one side, close to the through groove, of the cabinet body, a storage cabinet is fixedly arranged on the upper surface of the inner part of one side, far away from the supporting plate, of the cabinet body, a bearing plate is fixedly arranged at the middle part of the inner wall of the cabinet body, slide rails are symmetrically and fixedly arranged at the top of the inner wall of the cabinet body, positioning holes are symmetrically formed in the outer surfaces of the two slide rails, storage plates are symmetrically and movably arranged on the outer surfaces of the two slide rails, an illuminating lamp is, the utility model discloses a cabinet, including the cabinet body, the cabinet body is close to one side upper surface of light and has been seted up the hole of induced drafting, the cabinet body has variable air volume valve near one side upper surface movable mounting in the hole of induced drafting, the last fixed surface of variable air volume valve installs the pipe, the one end movable mounting that variable air volume valve was kept away from to the pipe has the suction fan, one side upper surface movable mounting of backup pad has the motor, the last surface movable mounting of motor has the flabellum, it has the through-hole to accept one side lower surface that the board is close to the flabellum, and is a plurality of the storing board is close to one side upper surface fixed mounting of slide rail and has spacing post, and is a plurality of the locating lever is pegged graft there is the locating lever, and is a plurality of one.

Preferably, the storage cabinet corresponds to the receiving plate, and the two sliding rails and the storage plate are arranged in a sliding connection mode.

Preferably, the illuminating lamp and the bearing plate correspond to each other, and the top of the baffle is arranged in a downward inclined manner.

Preferably, the two diversion trenches correspond to the filter screens one by one, and the diversion trenches, the filter screens and the air suction holes are communicated with each other.

Preferably, the variable air volume valve, the guide pipe and the air suction machine are matched, and the motor is matched with the fan blades.

Preferably, the air suction hole, the fan blades and the through hole correspond to each other, and the storage plates are located on the same vertical plane.

Preferably, the plurality of limiting columns, the positioning rods, the springs and the pulling plate are matched, and the diameters of the plurality of positioning rods are equal to the inner diameters of the positioning holes.

(III) advantageous effects

Compared with the prior art, the utility model provides a fume chamber self-adaptation VAV variable air volume ventilation control system possesses following beneficial effect:

1. this fume chamber self-adaptation VAV variable air volume ventilation control system, through set up the variable air volume valve at the upper surface of the cabinet body, the variable air volume valve passes through the baffle, the guiding gutter, the filter screen, the hole of induced drafting, the cooperation of pipe and suction fan, makes harmful gas when passing through in the baffle, through the cooperation of motor and flabellum for gaseous rising speed, can effectual hoisting device to harmful gas's exhaust efficiency, better reinforcing the air safety degree around the device.

2. This fume chamber self-adaptation VAV variable air volume ventilation control system, through setting up the filter screen at the surface of baffle, when the suction fan operation adsorbs harmful gas, gaseous passing through the filter screen, can effectually carry out the separation to easy crystallization substance, avoided harmful substance to produce crystallization phenomenon at the inner wall of pipe for a long time, prevent to take place the potential safety hazard, through setting up the storing board at the surface of slide rail, can effectual hoisting device's practicality, strengthened the storing ability on device surface.

Drawings

FIG. 1 is a schematic side sectional view of the cabinet structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the area A in FIG. 1 according to the present invention;

fig. 3 is a front view of the cabinet structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the area B in FIG. 3 according to the present invention;

fig. 5 is a schematic perspective view of the cabinet structure of the present invention.

In the figure: 1. a cabinet body; 2. a support plate; 3. a through groove; 4. a cabinet door; 5. a storage cabinet; 6. a bearing plate; 7. a slide rail; 8. positioning holes; 9. a storage plate; 10. an illuminating lamp; 11. a baffle plate; 12. a diversion trench; 13. filtering with a screen; 14. an air suction hole; 15. a variable air volume valve; 16. a conduit; 17. a suction fan; 18. a motor; 19. a fan blade; 20. a through hole; 21. a limiting column; 22. positioning a rod; 23. a spring; 24. and (5) pulling the plate.

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. 1-5, a ventilation hood adaptive VAV variable air volume ventilation control system comprises a cabinet body 1, a supporting plate 2 is fixedly mounted on the inner upper surface of one side of the cabinet body 1, a through groove 3 is formed on the outer surface of one side of the cabinet body 1 close to the supporting plate 2, a cabinet door 4 is movably mounted on the outer surface of one side of the cabinet body 1 close to the through groove 3, a storage cabinet 5 is fixedly mounted on the inner upper surface of one side of the cabinet body 1 far away from the supporting plate 2, a bearing plate 6 is fixedly mounted in the middle of the inner wall of the cabinet body 1, slide rails 7 are symmetrically and fixedly mounted on the top of the inner wall of the cabinet body 1, positioning holes 8 are symmetrically formed on the outer surfaces of the two slide rails 7, storage boards 9 are symmetrically and movably mounted on the outer surfaces of the two slide rails 7, the storage cabinet 5, in order to increase the flexibility of the device, the lower surface of the inside of one side of the cabinet body 1 is fixedly provided with an illuminating lamp 10, the inner wall of one side of the cabinet body 1, which is far away from the sliding rail 7, is fixedly provided with a baffle plate 11, the illuminating lamp 10 and the bearing plate 6 are mutually corresponding, the top of the baffle plate 11 is arranged in a downward inclined shape, which is beneficial to improving the absorption capacity of the device to harmful gas, the outer surface of the baffle plate 11 is symmetrically provided with guide grooves 12, the outer surface of one side of the baffle plate 11, which is near to the guide grooves 12, is symmetrically and fixedly provided with filter screens 13, the upper surface of one side of the cabinet body 1, which is far away from the illuminating lamp 10, is provided with air suction holes 14, the guide grooves 12, the filter screens 13 and the air suction holes 14 are communicated with each other, the gas is discharged out of a room through the filter screens 13, the guide grooves, one end of the guide pipe 16 far away from the variable air volume valve 15 is movably provided with a suction fan 17, a filter screen 13 is arranged on the outer surface of the baffle plate 11, when the suction fan 17 adsorbs harmful gas in operation, the gas passes through the filter screen 13 and can effectively separate easily crystallized substances, thereby preventing the harmful substances from generating crystallization on the inner wall of the guide pipe 16 for a long time and preventing potential safety hazards from occurring, the storage plate 9 is arranged on the outer surface of the slide rail 7, the practicability of the device can be effectively improved, the storage capacity of the surface of the device is enhanced, the motor 18 is movably arranged on the upper surface of one side of the support plate 2, the fan blades 19 are movably arranged on the upper surface of the motor 18, the variable air volume valve 15, the guide pipe 16 and the suction fan 17 are matched, the motor 18 and the fan blades 19 are matched, the variable air volume valve 15 is arranged on the upper surface of the cabinet body 1, and the variable air volume valve, The suction hole 14, the guide pipe 16 and the suction fan 17 are matched to accelerate the rising speed of the gas through the matching of the motor 18 and the fan blades 19 when the harmful gas passes through the baffle 11, the discharge efficiency of the device to the harmful gas can be effectively improved, and the air safety degree around the device is better enhanced, the lower surface of one side of the bearing plate 6 close to the fan blades 19 is provided with a through hole 20, the suction hole 14, the fan blades 19 and the through hole 20 are mutually corresponding, the plurality of storage plates 9 are positioned on the same vertical plane, the upper surfaces of one sides of the plurality of storage plates 9 close to the slide rail 7 are fixedly provided with limit columns 21, the positioning rods 22 are inserted in the limit columns 21, the outer surfaces of one sides of the plurality of positioning rods 22 close to the slide rail 7 are movably provided with springs 23, the outer surfaces of one sides of the plurality of positioning rods 22 far away from the slide rail 7 are fixedly connected with pull plates 24, the plurality, the diameter of the positioning rods 22 is equal to the inner diameter of the positioning hole 8.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the device is used, firstly, the device is placed in a chemical laboratory or other rooms generating harmful gases for use through the matching of the cabinet body 1, one end of the suction fan 17, which is far away from the guide pipe 16, is connected and fixed with a discharge pipeline, when an experiment is carried out, the suction fan 17 is opened, the harmful gases are discharged out of the room through the filter screen 13, the diversion groove 12, the suction hole 14, the variable air volume valve 15 and the guide pipe 16 in sequence, the filter screen 13 is arranged on the outer surface of the baffle plate 11, when the suction fan 17 operates to adsorb the harmful gases, the gases pass through the filter screen 13, easily-crystallized substances can be effectively blocked, the harmful substances are prevented from generating crystallization phenomena on the inner wall of the guide pipe 16 for a long time, the potential safety hazards are prevented, when the harmful gases pass through the baffle plate 11, the rising speed of the gases is accelerated through the matching of the motor 18 and the fan blades 19, the discharge, better reinforcing the air safety degree around the device, can placing experimental articles for use in storing board 9 to the storing ability on hoisting device surface, storing board 9 passes through the cooperation of locating lever 22 and spring 23, realizes reciprocating along slide rail 7, effectively increases the practicality of device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a fume chamber self-adaptation VAV variable air volume ventilation control system, includes the cabinet body (1), its characterized in that: the improved wardrobe is characterized in that a supporting plate (2) is fixedly mounted on the upper surface inside one side of the wardrobe body (1), a through groove (3) is formed in the outer surface of one side, close to the supporting plate (2), of the wardrobe body (1), a wardrobe door (4) is movably mounted on the outer surface of one side, close to the through groove (3), of the wardrobe body (1), a storage cabinet (5) is fixedly mounted on the upper surface inside one side, far away from the supporting plate (2), of the wardrobe body (1), a bearing plate (6) is fixedly mounted in the middle of the inner wall of the wardrobe body (1), sliding rails (7) are symmetrically and fixedly mounted at the tops of the inner walls of the wardrobe body (1), positioning holes (8) are symmetrically formed in the outer surfaces of the two sliding rails (7), storage plates (9) are symmetrically and movably mounted on the outer surfaces of the two sliding rails (7), a lighting lamp (10, the lamp cabinet is characterized in that a guide groove (12) is symmetrically formed in the outer surface of the baffle plate (11), a filter screen (13) is symmetrically and fixedly mounted on the outer surface of one side, close to the guide groove (12), of the baffle plate (11), an air suction hole (14) is formed in the upper surface of one side, far away from an illuminating lamp (10), of the cabinet body (1), a variable air volume valve (15) is movably mounted on the upper surface of one side, close to the air suction hole (14), of the cabinet body (1), a guide pipe (16) is fixedly mounted on the upper surface of the variable air volume valve (15), a suction fan (17) is movably mounted at one end, far away from the variable air volume valve (15), of the guide pipe (16), a motor (18) is movably mounted on the upper surface of one side of the supporting plate (2), fan blades (19) are movably mounted on the upper surface of the motor (18), a through hole (20) is formed in the lower surface, a plurality of locating rods (22) are inserted in the limiting columns (21), a spring (23) is movably mounted on the outer surface of one side, close to the sliding rail (7), of each locating rod (22), and a pull plate (24) is fixedly connected to the outer surface of one side, far away from the sliding rail (7), of each locating rod (22).

2. The fume hood adaptive VAV variable air volume ventilation control system of claim 1, wherein: the storage cabinet (5) and the bearing plate (6) correspond to each other, and the sliding rails (7) and the storage plates (9) are arranged in a sliding connection mode.

3. The fume hood adaptive VAV variable air volume ventilation control system of claim 1, wherein: the illuminating lamp (10) and the bearing plate (6) correspond to each other, and the top of the baffle plate (11) is arranged in a downward inclined mode.

4. The fume hood adaptive VAV variable air volume ventilation control system of claim 1, wherein: the two diversion trenches (12) correspond to the filter screens (13) one by one, and the diversion trenches (12), the filter screens (13) and the air suction holes (14) are communicated with each other.

5. The fume hood adaptive VAV variable air volume ventilation control system of claim 1, wherein: the variable air volume valve (15), the guide pipe (16) and the suction fan (17) are matched, and the motor (18) and the fan blades (19) are matched.

6. The fume hood adaptive VAV variable air volume ventilation control system of claim 1, wherein: the air suction holes (14), the fan blades (19) and the through holes (20) correspond to each other, and the storage plates (9) are located on the same vertical plane.

7. The fume hood adaptive VAV variable air volume ventilation control system of claim 1, wherein: the limiting columns (21), the positioning rods (22), the springs (23) and the pulling plates (24) are matched, and the diameters of the positioning rods (22) are equal to the inner diameter of the positioning hole (8).