CN214022532U

CN214022532U - Ventilation cabinet air speed alarm control device

Info

Publication number: CN214022532U
Application number: CN202023097423.XU
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: 2021-08-24
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a fume chamber face wind speed alarm control device, concretely relates to fume chamber controlgear technical field, the intelligent cabinet temperature adjusting device comprises a cabinet body, the fixed air-out cover that is equipped with in cabinet body top, air-out cover cross-section sets up to the rectangle, the inside drawer that is equipped with of air-out cover, the fixed filter screen that is equipped with in drawer bottom, the active carbon filter bag has been placed at the filter screen top, the constant head tank has been seted up to air-out cover one side, inside drawer one end extended to the constant head tank, the drawer other end runs through out the air-out cover and extends to the air-out cover outside. The utility model discloses a backup pad and screw thread seat that the pull of fixed plate drove on it take out the drawer, then drive screw thread seat and drawer by the lead screw and reciprocate, install and dismantle the drawer, pass through bolted connection because of the drawer, so can dismantle and install the drawer, be convenient for overhaul and change filter bag filter screen and active carbon above that.

Description

Ventilation cabinet air speed alarm control device

Technical Field

The utility model relates to a fume chamber controlgear technical field, concretely relates to fume chamber face wind speed alarm control device.

Background

The controllable fume hood is an indispensable component in laboratory ventilation design, some toxic, sick or unknown chemical substances and organisms can be generated in a laboratory, and in order to prevent laboratory workers from inhaling, the laboratory needs to utilize the intelligent control fume hood to discharge the substances.

The utility model discloses a patent number is CN 208537577U's utility model discloses a fume chamber wind speed monitoring alarm device, including the fume chamber body, the inside swing joint of fume chamber body has the fume chamber lower part of the body, the positive fixedly connected with curb plate of fume chamber body, the surface of curb plate is provided with the clear glass observation window, the inner wall from the top down fixedly connected with temperature sensor and humidity transducer in proper order of curb plate.

The prior art has the following defects: the active carbon filters the package and uses for a long time, can influence the filtration to inside gas, influences the result of use, and the active carbon filters the package and sets up at the top of the cabinet body, and is inconvenient to it changes.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a ventilation cabinet face wind speed alarm control device, the pull through the fixed plate drives backup pad and screw thread seat above that and takes out the drawer, then drives screw thread seat and drawer by the lead screw and reciprocates, installs and dismantles the drawer, passes through bolted connection because of the drawer, so can dismantle the drawer and install, is convenient for overhaul and change filter screen and active carbon filter bag above that.

In order to achieve the above object, the present invention provides the following technical solutions: a ventilation cabinet face wind speed alarm control device comprises a cabinet body, wherein a wind outlet cover is fixedly arranged at the top of the cabinet body, the section of the wind outlet cover is rectangular, a drawer is arranged in the wind outlet cover, a filter screen is fixedly embedded at the bottom of the drawer, an activated carbon filter bag is placed at the top of the filter screen, a positioning groove is formed in one side of the wind outlet cover, one end of the drawer extends into the positioning groove, the other end of the drawer penetrates through the wind outlet cover and extends to the outside of the wind outlet cover, a sealing plate is arranged on one side of the wind outlet cover away from the positioning groove, mounting plates are fixedly arranged at the top and the bottom of one end of the wind outlet cover close to the sealing plate, bolts are connected in a threaded mode in the mounting plates, one end of the wind outlet cover away from the positioning groove is connected with the sealing plate through bolts, a support plate is arranged on one side of the cabinet body close to the sealing plate, a limiting groove is formed in one side of the support plate close to the cabinet body, a screw rod is arranged inside the limiting groove, two ends of the screw rod are both connected with the inner walls of two ends of the limiting groove through bearings, a thread seat is connected with the outer wall of the top end of the screw rod through threads, one end of the thread seat, far away from the limiting groove, is fixedly connected with a sealing plate, one end of the thread seat, far away from the sealing plate, is contacted with the inner wall of one side of the limiting groove, a fixing plate is fixedly arranged at the bottom end of the supporting plate, one side of the fixing plate, close to the cabinet body, is fixedly provided with two supporting rods which are symmetrically arranged about the central axis of the fixing plate, a first partition plate and a second partition plate are fixedly arranged inside the cabinet body, the first partition plate and the second partition plate are arranged at intervals up and down, two chutes are arranged inside the second partition plate, the two chutes are symmetrically arranged about the central axis of the second partition plate, one ends of the two supporting rods, close to the cabinet body, sequentially penetrate through the cabinet body and the second partition plate and respectively extend into the two chutes, one side threaded connection that the cabinet body was kept away from to the fixed plate has two screws, the fixed plate passes through the screw and is connected with the cabinet body.

Further, one side of the cabinet body, which is far away from the supporting plate, is fixedly provided with a controller and an alarm, the controller is arranged above the alarm, the inner wall of one side of the cabinet body is fixedly provided with a temperature sensor and a humidity sensor, the temperature sensor and the humidity sensor are arranged between the first partition plate and the second partition plate, and the temperature sensor and the humidity sensor are electrically connected with the controller.

Further, the fixed intercommunication in second baffle top has a tuber pipe, fixed poison gas detector and the wind speed sensor of being equipped with of second baffle one side inner wall, the interval sets up about poison gas detector and the wind speed sensor, go out the tuber pipe top run through cabinet body top and with go out the fixed intercommunication in fan housing bottom, it runs through first baffle to go out the tuber pipe bottom, the fixed air pump that has cup jointed of air-out tuber pipe outer wall, air pump and controller electric connection.

Furthermore, the top end and the bottom end of the air outlet pipe are respectively provided with a funnel shape and an inverted funnel shape.

Furthermore, a storage cavity is arranged below the second partition plate.

Furthermore, moving grooves are formed in two sides of the sliding groove, moving blocks are arranged in the moving grooves, and the two moving blocks are fixedly connected with two sides of the end portion, far away from the fixed plate, of the supporting rod respectively.

Further, the bottom of the fixing plate is provided with a handle, the handle penetrates through the fixing plate and the supporting plate in sequence and extends to the inner part of the limiting groove, and the handle is fixedly connected with the bottom end of the screw rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a pulling fixed plate drives backup pad outside removal on it, the backup pad also will go out the drawer in the fan housing through the screw thread seat and shift out, later drive the spacing screw thread seat downstream in spacing restricted groove through rotating the lead screw, the screw thread seat also takes the drawer to move down simultaneously, it overhauls the maintenance to take off the filter screen of bolt on to the drawer, also change the active carbon filter bag simultaneously, later rethread bolt is installed the drawer on the closing plate, then the handle rotates and drives the lead screw rotation, make the screw thread seat on the lead screw drive the drawer and shift up, later again with bracing piece on the fixed plate to the inside propelling movement of second baffle, the in-process of propelling movement, also install the drawer to the fan housing inside simultaneously, it is spacing that last rethread screw fixes the fixed plate, overall structure is convenient for overhaul and change filter screen and active carbon filter bag.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

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

fig. 2 is a cross-sectional view of the overall structure provided by the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of a portion B in fig. 2 according to the present invention;

fig. 5 is a side view of the overall structure provided by the present invention;

fig. 6 is a sectional view of the second partition board provided by the present invention.

In the figure: the air conditioner comprises a cabinet body 1, an air outlet cover 2, a drawer 3, a filter screen 4, an active carbon filter bag 5, a positioning groove 6, a sealing plate 7, an installation plate 8, a bolt 9, a support plate 10, a limiting groove 11, a screw rod 12, a thread seat 13, a fixing plate 14, a support rod 15, a first partition plate 16, a second partition plate 17, a sliding groove 18, a screw 19, a controller 20, an alarm 21, an air outlet pipe 22, a toxic gas detector 23, an air speed sensor 24, an air pump 25 and a storage cavity 26.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-6 of the specification, the alarm control device for the wind speed of the face of the ventilating cabinet comprises a cabinet body 1, wherein a wind outlet cover 2 is fixedly arranged at the top of the cabinet body 1, the section of the wind outlet cover 2 is set to be rectangular, a drawer 3 is arranged inside the wind outlet cover 2, a filter screen 4 is fixedly embedded at the bottom of the drawer 3, an activated carbon filter pack 5 is placed at the top of the filter screen 4, a positioning groove 6 is formed in one side of the wind outlet cover 2, one end of the drawer 3 extends into the positioning groove 6, the other end of the drawer 3 penetrates through the wind outlet cover 2 and extends to the outside of the wind outlet cover 2, a sealing plate 7 is arranged at one side of the wind outlet cover 2 away from the positioning groove 6, mounting plates 8 are fixedly arranged at the top and the bottom of one end of the wind outlet cover 2 close to the sealing plate 7, a bolt 9 is connected to the inside of the mounting plate 8 in a threaded manner, and one end of the wind outlet cover 2 away from the positioning groove 6 is connected with the sealing plate 7 through the bolt 9, a supporting plate 10 is arranged on one side of the cabinet body 1 close to the sealing plate 7, a limiting groove 11 is arranged on one side of the supporting plate 10 close to the cabinet body 1, a screw rod 12 is arranged in the limiting groove 11, two ends of the screw rod 12 are connected with inner walls of two ends of the limiting groove 11 through bearings, a threaded seat 13 is connected with an outer wall of the top end of the screw rod 12 in a threaded manner, one end of the threaded seat 13 far away from the limiting groove 11 is fixedly connected with the sealing plate 7, one end of the threaded seat 13 far away from the sealing plate 7 is contacted with the inner wall of one side of the limiting groove 11, a fixing plate 14 is fixedly arranged at the bottom end of the supporting plate 10, two supporting rods 15 are fixedly arranged on one side of the fixing plate 14 close to the cabinet body 1, the two supporting rods 15 are symmetrically arranged about a central axis of the fixing plate 14, a first partition plate 16 and a second partition plate 17 are fixedly arranged in the cabinet body 1, and the first partition plate 16 and the second partition plate 17 are arranged at intervals up and down, two chutes 18 are formed in the second partition plate 17, the two chutes 18 are symmetrically arranged about the central axis of the second partition plate 17, one ends of the two support rods 15, which are close to the cabinet body 1, sequentially penetrate through the cabinet body 1 and the second partition plate 17 and respectively extend into the two chutes 18, two screws 19 are connected to one side, away from the cabinet body 1, of the fixing plate 14 through threads, and the fixing plate 14 is connected with the cabinet body 1 through the screws 19.

Further, fixed controller 20 and the alarm 21 of being equipped with in one side that the backup pad 10 was kept away from to the cabinet body 1, controller 20 sets up in alarm 21 top, fixed temperature sensor and the humidity transducer of being equipped with of 1 one side inner wall of the cabinet body, temperature sensor and humidity transducer set up between first baffle 16 and second baffle 17, temperature sensor and humidity transducer and controller 20 electric connection have the singlechip to control in the controller 20, and the singlechip model is AT89C2051-24PU, and the singlechip is a microcomputer, leans on different program work and realizes different functions, and can revise the procedure, transmits instruction information and accepts instruction information through the singlechip, is convenient for control.

Further, the fixed intercommunication in second baffle 17 top has a tuber pipe 22, the fixed poisonous gas detector 23 and the wind speed sensor 24 that are equipped with of second baffle 17 one side inner wall, interval setting about poisonous gas detector 23 and the wind speed sensor 24, go out tuber pipe 22 top run through the cabinet body 1 top and with go out 2 bottom mounting intercommunications of fan housing, it runs through first baffle 16 to go out tuber pipe 22 bottom, it has cup jointed air pump 25 to go out the fixed air pump 25 that has cup jointed of tuber pipe 22 outer wall,

air pump

25 and 20 electric connection of controller, through poisonous gas detector 23 and the wind speed sensor 24 that sets up, detectable discharge wind speed and the poisonous gas that contains, after reaching the standard, the personnel can open, and remind wind speed and poisonous gas concentration in the staff cabinet body 1 through the alarm 21 that sets up.

Further, go out tuber pipe 22 top and bottom cross-section and set up respectively into the infundibulate and fall the funnel type, be convenient for convulsions and air exhaust to the scope when carrying out convulsions or air exhaust to cabinet body 1 inside gas is bigger.

Further, a storage cavity 26 is arranged below the second partition plate 17, so that articles can be placed and stored conveniently.

Furthermore, moving grooves are formed in two sides of the sliding groove 18, moving blocks are arranged in the moving grooves, and the two moving blocks are fixedly connected with two sides of the end portion, far away from the fixing plate 14, of the supporting rod 15 respectively to limit and support the fixing plate 14.

Further, the bottom of the fixing plate 14 is provided with a handle, the handle sequentially penetrates through the fixing plate 14 and the supporting plate 10 and extends to the inside of the limiting groove 11, and the handle is fixedly connected with the bottom end of the screw rod 12, so that a user can operate the screw rod conveniently.

The implementation scenario is specifically as follows:

the utility model discloses when using, staff operation control ware 20, then by the work of singlechip output instruction control air pump 25 in the controller 20, air pump 25 filters the inside toxic gas of the cabinet body 1 through filter screen 4 and active carbon filter package 5 through going out tuber pipe 22 and discharges, reduce environmental pollution, at exhaust in-process, toxic gas detector 23 and wind speed sensor 24 through the setting, detectable exhaust wind speed and the toxic gas that contains, after reaching the standard, personnel can open, and remind the internal wind speed of the cabinet of staff body 1 and toxic gas concentration through alarm 21 that sets up, and long-time use, need overhaul the maintenance and change active carbon filter package 5 to filter screen 4, take off through two screws 19 with on fixed plate 14 this moment, make fixed plate 14 can not restrict and remove, later spur fixed plate 14 and support and limit fixed plate 14 through spout 18 and bracing piece 15 in the second baffle 17 and limit fixed plate 14 While the fixed plate 14 is moved outwards, the supporting plate 10 on the fixed plate drives the drawer 3 in the air outlet cover 2 to move out through the threaded seat 13, after the whole fixed plate is moved out, the screw rod 12 can be driven to rotate through the rotating handle, the screw rod 12 drives the threaded seat 13 limited by the limiting groove 11 to move downwards, the threaded seat 13 also drives the drawer 3 to move downwards, the drawer 3 moves downwards to the bottom of the screw rod 12 to be convenient for a worker to take, because the drawer 3 is connected with the sealing plate 7 through the bolt 9, the bolt 9 can be disassembled to overhaul and maintain the filter screen 4 on the drawer 3, meanwhile, the active carbon filter pack 5 on the threaded seat is also replaced, after the overhaul and the replacement, the drawer 3 is arranged on the sealing plate 7 through the bolt 9, then the handle is rotated to drive the screw rod 12 to rotate, the threaded seat 13 on the screw rod 12 drives the drawer 3 to move upwards, then the supporting rod 15 on the fixed plate 14 is pushed towards the inside, in the pushing process, the drawer 3 is also installed inside the air outlet housing 2, and finally the fixing plate 14 is fixed and limited through the screw 19.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a fume chamber face wind speed alarm control device, includes the cabinet body (1), its characterized in that: the cabinet body (1) top is fixed and is equipped with out fan housing (2), it sets up to the rectangle to go out fan housing (2) cross-section, it is equipped with drawer (3) to go out fan housing (2) inside, drawer (3) bottom is fixed to be inlayed and is equipped with filter screen (4), activated carbon filter bag (5) have been placed at filter screen (4) top, constant head tank (6) have been seted up to play fan housing (2) one side, drawer (3) one end extends to constant head tank (6) inside, drawer (3) other end runs through out fan housing (2) and extends to a fan housing (2) outside, one side that constant head tank (6) were kept away from in play fan housing (2) is equipped with closing plate (7), it all fixes being equipped with mounting panel (8) to go out fan housing (2) one end top and the bottom that closing plate (7) are close to, mounting panel (8) internal thread is connected with bolt (9), it links to go out fan housing (2) one end and closing plate (7) of constant head tank (6) through bolt (9) and closing plate (7) and even to go out fan housing (2) A supporting plate (10) is arranged on one side, close to the sealing plate (7), of the cabinet body (1), a limiting groove (11) is formed in one side, close to the cabinet body (1), of the supporting plate (10), a screw rod (12) is arranged inside the limiting groove (11), two ends of the screw rod (12) are connected with inner walls of two ends of the limiting groove (11) through bearings, a threaded seat (13) is connected to an outer wall of the top end of the screw rod (12) in a threaded manner, one end, far away from the limiting groove (11), of the threaded seat (13) is fixedly connected with the sealing plate (7), one end, far away from the sealing plate (7), of the threaded seat (13) is contacted with an inner wall on one side of the limiting groove (11), a fixing plate (14) is fixedly arranged at the bottom end of the supporting plate (10), two supporting rods (15) are fixedly arranged on one side, close to the cabinet body (1), and the two supporting rods (15) are symmetrically arranged about a central axis of the fixing plate (14), the cabinet body (1) is inside to be fixed and to be equipped with first baffle (16) and second baffle (17), interval setting about first baffle (16) and second baffle (17), two spout (18) have been seted up to second baffle (17) inside, and two spout (18) set up about second baffle (17) center axis symmetry, and the one end that two bracing pieces (15) are close to the cabinet body (1) runs through the cabinet body (1) and second baffle (17) in proper order and extends to inside two spout (18) respectively, one side threaded connection that the cabinet body (1) was kept away from in fixed plate (14) has two screws (19), fixed plate (14) are connected with the cabinet body (1) through screw (19).

2. The ventilation cabinet air speed alarm control device of claim 1, wherein: the fixed controller (20) and the alarm (21) of being equipped with in one side that backup pad (10) was kept away from to the cabinet body (1), controller (20) set up in alarm (21) top, the fixed temperature sensor and the humidity transducer that are equipped with of cabinet body (1) one side inner wall, temperature sensor and humidity transducer set up between first baffle (16) and second baffle (17), temperature sensor and humidity transducer and controller (20) electric connection.

3. The ventilation cabinet air speed alarm control device of claim 2, wherein: second baffle (17) top is fixed to be communicated has a tuber pipe (22), second baffle (17) one side inner wall is fixed to be equipped with poison gas detector (23) and anemometer sensor (24), interval setting about poison gas detector (23) and anemometer sensor (24), it runs through cabinet body (1) top and communicates with play fan housing (2) bottom mounting to go out tuber pipe (22) top, it runs through first baffle (16) to go out tuber pipe (22) bottom, it has air pump (25) to fix the cup joint of tuber pipe (22) outer wall, air pump (25) and controller (20) electric connection.

4. The ventilation cabinet air speed alarm control device of claim 3, wherein: the top end and the bottom end of the air outlet pipe (22) are respectively arranged in a funnel shape and an inverted funnel shape.

5. The ventilation cabinet air speed alarm control device of claim 1, wherein: a storage cavity (26) is arranged below the second partition plate (17).

6. The ventilation cabinet air speed alarm control device of claim 1, wherein: the two sides of the sliding groove (18) are provided with moving grooves, moving blocks are arranged in the moving grooves, and the two moving blocks are fixedly connected with the two sides of the end part, far away from the fixed plate (14), of the supporting rod (15) respectively.

7. The ventilation cabinet air speed alarm control device of claim 1, wherein: the bottom of the fixing plate (14) is provided with a handle, the handle penetrates through the fixing plate (14) and the supporting plate (10) in sequence and extends to the inside of the limiting groove (11), and the handle is fixedly connected with the bottom end of the screw rod (12).