CN213968239U

CN213968239U - Regional induction control device of fume chamber

Info

Publication number: CN213968239U
Application number: CN202023095420.2U
Authority: CN
Inventors: 陆海伟; 王寿江
Original assignee: Jiangsu Kulinan Laboratory System Engineering Co ltd
Current assignee: Jiangsu Kulinan Laboratory System Engineering Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-17
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a regional induction control device of fume chamber, including rack and controller, the front side at the rack is installed to the controller, the front side upper portion of rack is provided with the laboratory cave, laboratory cave front end port is fixed with the chamber door, first infrared inductor is installed at the front side top of rack, the right-hand high definition digtal camera that is provided with of first infrared inductor, the mid-mounting of laboratory cave top wall has the infrared inductor of second. The utility model discloses an install high definition digtal camera and first infrared inductor in the front side of rack, when first infrared inductor detected personnel and was close to, high definition digtal camera carried out the picture to the personnel that are close to and carried out face identification through the image recognition unit, do the face with the operating personnel who possesses the operation authority who types in advance and compare, after the contrast is successful, positive and negative motor work drove the chamber door and rises, opens the chamber door automatically, has improved the security performance that the fume chamber used greatly.

Description

Regional induction control device of fume chamber

Technical Field

The utility model relates to a fume chamber field, concretely relates to regional induction control device of fume chamber.

Background

Cabinet type exhaust hoods are commonly known as fumehoods and are similar to enclosures. The small parts spray-painting cabinet and the chemical laboratory fume hood are typical structures of cabinet type exhaust hoods. A large-scale chamber type ventilation cabinet has a completely opened side surface, and an operator works in the cabinet and is mainly used for large-scale paint spraying, powder bagging and the like. The working opening of the fume hood has great influence on the air distribution in the hood, and the air distribution directly influences the working effect of the cabinet type exhaust hood.

At present, install infrared inductor at the front side of fume chamber usually, when infrared inductor detected that there is the personnel before the fume chamber, no matter this personnel are operating personnel, the chamber door of fume chamber all can open automatically, and the security is low.

Therefore, it is desirable to provide a ventilator area sensing control device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a regional induction control device of fume chamber, install high definition digtal camera and first infrared inductor through the front side at the rack, when first infrared inductor detects personnel and is close to, high definition digtal camera carries out the picture to the personnel that are close to and carry out face identification through the image recognition unit, do the people face with the operating personnel who possesses the operation authority who types in advance and compare, after the contrast is successful, positive and negative motor work drives the chamber door and rises, open the chamber door automatically, the security performance that the fume chamber used has been improved greatly, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a fume chamber area induction control device comprises a cabinet and a controller, wherein the controller is installed on the front side of the cabinet, an experiment cavity is arranged on the upper portion of the front side of the cabinet, sliding grooves are formed in the left edge and the right edge of a front end port of the experiment cavity, a cavity is formed in the sliding grooves, a transmission cavity is arranged below the front end port of the experiment cavity and communicated with the cavity, a lead screw is movably installed in the cavity, the lower end of the lead screw extends into the transmission cavity, a rod body of the lead screw, which is located in the transmission cavity, is fixedly sleeved with transmission wheels, the two transmission wheels are connected through a transmission belt, a mounting groove is formed in the bottom of the right end of the transmission cavity, a positive and negative motor is installed in the mounting groove, the output end of the positive and negative motor is connected with the lead screw, which is located at the right end, a cavity door is fixed on the front end port of the experiment cavity, and the edge of the cavity door is nested in the sliding grooves, the utility model discloses a laboratory experiment cabinet, including the cabinet, the cabinet is provided with the rear side wall in experiment chamber, the upper and lower both ends of chamber door left and right sides all are fixed with the nut seat, the nut seat cup joints on the lead screw, first infrared inductor is installed at the front side top of cabinet, the right-hand high definition digtal camera that is provided with of first infrared inductor, the mid-mounting of experiment chamber top wall has the second infrared inductor, the inlet scoop has been seted up to the rear side wall in experiment chamber, the air outlet has been seted up at the top of cabinet, the rear in experiment chamber is provided with the installation cavity, the fan is installed to the rear side wall in installation cavity, the input of fan is connected with the aspiration channel, the one end that the fan was kept away from to the aspiration channel is connected with the inlet scoop, install the variable air volume valve on the aspiration channel, the output of fan is connected with the exhaust pipe, the one end that the fan was kept away from to the exhaust pipe is connected with the air outlet.

Preferably, the controller includes the single-chip, the output of single-chip respectively with positive and negative motor, first infrared inductor, high definition digtal camera, second infrared inductor, fan and variable air volume valve's output electric connection.

Preferably, the controller comprises a storage and a touch display screen, and the output end of the single chip is electrically connected with the input ends of the storage and the touch display screen.

Preferably, the output end of the high-definition camera is connected with an image recognition unit, and the output end of the image recognition unit is electrically connected with the input end of the single chip.

Preferably, the left of second infrared inductor is provided with the light, the right-hand ultraviolet lamp that is provided with of second infrared inductor, the output of singlechip respectively with the output electric connection of light and ultraviolet lamp.

Preferably, the cavity door and the sliding groove are in sliding connection.

Preferably, the dust screens are fixed inside the air suction opening and the air outlet through bolts.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the high-definition camera and the first infrared sensor are mounted on the front side of the cabinet, when the first infrared sensor detects that a person approaches, the high-definition camera captures images of the person approaching, the face recognition is carried out through the image recognition unit, the image recognition unit compares the images with faces of operators with operation authority input in advance, after the comparison is successful, the positive and negative motors work to drive the cavity door to lift, the cavity door is automatically opened, and the use safety performance of the ventilation cabinet is greatly improved;

2. through installing the infrared inductor of second in the experiment intracavity, when operating personnel's hand stretched into the experiment intracavity, the response can take place for the infrared inductor of second, transmission signal to unit piece, unit piece control variable blast valve is opened to the biggest, make the volume of induced drafting reach the maximize, and after the experiment is accomplished, the infrared inductor of second senses when the experiment intracavity does not have the human body, same transmission signal to unit piece can, unit piece control variable blast valve reconversion, the consumption of the energy can be saved, guarantee the stable output of fan, thereby reach the effect of automatic control volume of airing exhaust.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed 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 described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

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

fig. 3 is a side sectional view of the present invention;

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

fig. 5 is a system diagram of the present invention.

Description of reference numerals:

1 cabinet, 2 controllers, 3 experimental chambers, 4 chutes, 5 cavities, 6 transmission chambers, 7 lead screws, 8 transmission wheels, 9 transmission belts, 10 positive and negative motors, 11 chamber doors, 12 nut seats, 13 first infrared sensors, 14 high-definition cameras, 15 second infrared sensors, 16 air suction ports, 17 air outlets, 18 installation chambers, 19 fans, 20 air suction pipes, 21 variable air volume valves, 22 exhaust pipes, 23 single-machine sheets, 24 storages, 25 touch display screens, 26 image recognition units, 27 illuminating lamps and 28 ultraviolet lamps.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a fume chamber area induction control device as shown in figures 1-5, which comprises a cabinet 1 and a controller 2, wherein the controller 2 is arranged at the front side of the cabinet 1, the upper part of the front side of the cabinet 1 is provided with an experimental cavity 3, the left and right edges of the front end port of the experimental cavity 3 are both provided with a chute 4, the inside of the chute 4 is provided with a cavity 5, the lower part of the front end port of the experimental cavity 3 is provided with a transmission cavity 6, the transmission cavity 6 is communicated with the cavity 5, the inside of the cavity 5 is movably provided with a lead screw 7, the lower end of the lead screw 7 extends into the transmission cavity 6, the rod body of the lead screw 7 in the transmission cavity 6 is fixedly sleeved with a transmission wheel 8, two transmission wheels 8 are connected through a transmission belt 9, the bottom of the right end of the transmission cavity 6 is provided with a mounting groove, the inside of which is provided with a positive and negative motor 10, the output end of the positive and negative motor 10 is connected with the screw rod 7 positioned at the right end, the front end port of the experimental cavity 3 is fixed with a cavity door 11, the edge of the cavity door 11 is nested in the sliding groove 4, the upper and lower ends of the left and right sides of the cavity door 11 are both fixed with nut seats 12, the nut seats 12 are sleeved on the screw rod 7, the top of the front side of the cabinet 1 is provided with a first infrared inductor 13, the right side of the first infrared inductor 13 is provided with a high-definition camera 14, the middle part of the top wall of the experimental cavity 3 is provided with a second infrared inductor 15, the rear side wall of the experimental cavity 3 is provided with an air suction inlet 16, the top of the cabinet 1 is provided with an air outlet 17, the rear of the experimental cavity 3 is provided with an installation cavity 18, the rear side wall of the installation cavity 18 is provided with a fan 19, the input end of the fan 19 is connected with an air suction pipe 20, one end of the air suction pipe 20, which is far away from the fan 19, is connected with the air suction inlet 16, install variable air volume valve 21 on aspiration channel 20, the output of fan 19 is connected with exhaust pipe 22, the one end that fan 19 was kept away from to exhaust pipe 22 is connected with air outlet 17.

Further, in the above technical scheme, the controller 2 includes a single chip 23, an output end of the single chip 23 is electrically connected with output ends of the positive and negative motor 10, the first infrared sensor 13, the high definition camera 14, the second infrared sensor 15, the fan 19 and the variable air volume valve 21 respectively, so that each element is controlled to work through the single chip 23.

Further, in the above technical scheme, the controller 2 includes a storage 24 and a touch display screen 25, the output end of the single chip 23 is electrically connected with the input ends of the storage 24 and the touch display screen 25, manual operation is facilitated through the touch display screen 25, the face head portrait information of the operator with the operation authority is stored through the storage 24, and post-operation comparison is facilitated.

Further, in the above technical scheme, the output end of the high definition camera 14 is connected with the image recognition unit 26, the output end of the image recognition unit 26 is electrically connected with the input end of the single chip 23, the human face captured by the high definition camera 14 is subjected to face recognition through the image recognition unit 26, and the human face is compared with an operator with operation authority who enters in the storage 24 in advance, so that whether the human face captured by the high definition camera 14 has the operation authority is judged.

Further, in above-mentioned technical scheme, the left of second infrared inductor 15 is provided with light 27, the right-hand ultraviolet lamp 28 that is provided with of second infrared inductor 15, the output of unit piece 23 respectively with light 27 and ultraviolet lamp 28's output electric connection, can provide the illumination under the dark condition of light through light 27, be convenient for carry out ultraviolet disinfection to laboratory cave 3 through ultraviolet lamp 28.

Further, in the above technical solution, the cavity door 11 and the chute 4 are slidably connected, so that the cavity door 11 can slide in the chute 4.

Furthermore, in the above technical scheme, dust screens are fixed inside the air suction opening 16 and the air outlet 17 through bolts, and dust can be effectively prevented from entering the fan 19 through the air suction opening 16 and the air outlet 17 through the dust screens, so that the fan 19 is protected.

The implementation mode is specifically as follows: the high-definition camera 14 and the first infrared sensor 13 are installed on the front side of the cabinet 1, when the first infrared sensor 13 detects that a person approaches, a signal is sent to the single-machine sheet 23 in the controller 2, the single-machine sheet 23 controls the high-definition camera 14 to work, the high-definition camera 14 captures images of the person approaching, the person is subjected to face recognition through the image recognition unit 26, the person is compared with an operator with operation authority, which is recorded in the storage 24 in advance, the positive and negative motor 10 does not work after the comparison fails, the single-machine sheet 23 controls the working chamber door 11 of the positive and negative motor 10 to automatically lift up after the comparison succeeds, the positive and negative motor 10 drives the screw rod 7 to rotate, the nut seat 12 moves on the screw rod 7, the chamber door 11 is driven to lift up, the chamber door 11 is automatically opened, the fan 19 is controlled to work, the use safety performance of the ventilation cabinet is greatly improved, when the hand of the operator stretches into the experiment chamber 3, the second infrared sensor 15 will sense and transmit signals to the single sheet 23, the single sheet 23 will control the variable air volume valve 21 to open to the maximum, so that the air suction volume reaches the maximum, and after the experiment is completed, the second infrared sensor 15 will sense that no human body is in the experimental cavity 3, and will transmit signals to the single sheet 23, the single sheet 23 will control the variable air volume valve 21 to restore to its original state, so as to save energy consumption, ensure the stable output of the fan 19, and achieve the effect of automatically controlling the air discharge volume, when the operator leaves the cabinet 1, the first infrared sensor 13 will sense that no human body is in front of the cabinet 1, transmit signals to the single sheet 23, the single sheet 23 will control the fan 19 to stop working, and control the positive and negative motors 10 to work in reverse direction, and the lead screw 7 rotates in reverse direction, so that the cavity door 11 moves down, to achieve the automatic closing of the cavity door 11, which specifically solves the problem existing in the prior art that the infrared sensor is usually installed at the front side of the ventilation cabinet, when infrared inductor detected that there was personnel before the fume chamber, no matter this personnel are operating personnel, the chamber door of fume chamber all can open by oneself, the problem that the security is low.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a regional induction control device of fume chamber, includes rack (1) and controller (2), its characterized in that: the controller (2) is installed on the front side of the cabinet (1), an experiment chamber (3) is arranged on the upper portion of the front side of the cabinet (1), sliding grooves (4) are formed in the left edge and the right edge of a front end port of the experiment chamber (3), a cavity (5) is formed in the sliding grooves (4), a transmission chamber (6) is arranged below the front end port of the experiment chamber (3), the transmission chamber (6) is communicated with the cavity (5), a lead screw (7) is movably installed in the cavity (5), the lower end of the lead screw (7) extends into the transmission chamber (6), a rod body of the lead screw (7) in the transmission chamber (6) is fixedly sleeved with a transmission wheel (8), the two transmission wheels (8) are connected through a transmission belt (9), a mounting groove is formed in the bottom of the right end of the transmission chamber (6), and a positive and negative motor (10) is installed in the mounting groove, the output end of the positive and negative motor (10) is connected with the screw rod (7) positioned at the right end, a cavity door (11) is fixed at the front end port of the experiment cavity (3), the edge of the cavity door (11) is embedded in the sliding groove (4), nut seats (12) are fixed at the upper end and the lower end of the left side and the right side of the cavity door (11), the nut seats (12) are sleeved on the screw rod (7), a first infrared inductor (13) is installed at the top of the front side of the cabinet (1), a high-definition camera (14) is arranged at the right side of the first infrared inductor (13), a second infrared inductor (15) is installed at the middle part of the top wall of the experiment cavity (3), an air suction opening (16) is formed in the rear side wall of the experiment cavity (3), an air outlet (17) is formed in the top of the cabinet (1), an installation cavity (18) is arranged at the rear part of the experiment cavity (3), fan (19) are installed to the back lateral wall of installation cavity (18), the input of fan (19) is connected with aspiration channel (20), the one end that fan (19) were kept away from in aspiration channel (20) is connected with inlet scoop (16), install variable air volume valve (21) on aspiration channel (20), the output of fan (19) is connected with exhaust pipe (22), the one end that fan (19) were kept away from in exhaust pipe (22) is connected with air outlet (17).

2. A fumehood zone sensitive control device according to claim 1 wherein: the controller (2) comprises a single-chip (23), and the output end of the single-chip (23) is electrically connected with the output ends of the positive and negative motors (10), the first infrared inductor (13), the high-definition camera (14), the second infrared inductor (15), the fan (19) and the variable air volume valve (21) respectively.

3. A fumehood zone sensitive control device according to claim 2 wherein: the controller (2) comprises a storage (24) and a touch display screen (25), and the output end of the single machine chip (23) is electrically connected with the input ends of the storage (24) and the touch display screen (25).

4. A fumehood zone sensitive control device according to claim 2 wherein: the output end of the high-definition camera (14) is connected with an image recognition unit (26), and the output end of the image recognition unit (26) is electrically connected with the input end of the single-chip (23).

5. A fumehood zone sensitive control device according to claim 2 wherein: the left of second infrared inductor (15) is provided with light (27), the right-hand ultraviolet lamp (28) that is provided with of second infrared inductor (15), the output of unit piece (23) respectively with the output electric connection of light (27) and ultraviolet lamp (28).

6. A fumehood zone sensitive control device according to claim 1 wherein: the cavity door (11) and the sliding groove (4) are in sliding connection.

7. A fumehood zone sensitive control device according to claim 1 wherein: dust screens are fixed in the suction opening (16) and the air outlet (17) through bolts.